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@vipulnsward vipulnsward commented Dec 16, 2025

Summary

This PR introduces a complete architectural rewrite of the Uploadcare Ruby gem, moving from an entity/client structure to a cleaner resources/clients architecture. The rewrite maintains full API compatibility while adding significant performance improvements and cleaner code organization.

Key Changes

Architecture Improvements

  • Replaced entity/client structure with resources/clients pattern - Cleaner separation of concerns
  • Consolidated file operations - File list operations now integrated into main file client
  • Unified multipart handling - Chunks client functionality merged into multipart uploader
  • Simplified inheritance - Removed complex entity decorators in favor of straightforward resource classes

New Features

  • Parallel multipart uploads - Significant performance improvements for large file uploads
  • Enhanced error handling - Better retry logic and error reporting
  • Improved URL upload polling - More efficient status checking
  • Ruby 3.4 compatibility - Added base64 dependency for latest Ruby version

API Coverage Verification

All APIs from the previous version are fully covered in the new architecture:

Old Component New Component Status
entity/file.rb resources/file.rb ✅ Full coverage with v4.4.3 compatibility
entity/group.rb resources/group.rb ✅ Full coverage with enhanced features
client/multipart_upload_client.rb clients/multipart_uploader_client.rb ✅ Enhanced with parallel uploads
client/file_list_client.rb Integrated into clients/file_client.rb ✅ Simplified API
All conversion clients clients/*_converter_client.rb ✅ Maintained with cleaner interfaces

Testing

  • 306 total specs - All passing
  • 2 pending specs - Large file multipart tests (requires >10MB files)
  • 0 failures
  • 100% rubocop compliance - All style issues resolved

Test Results

Finished in 13.93 seconds
306 examples, 0 failures, 2 pending

Examples Verified

All example scripts have been updated and verified to work with the new architecture:

  • ✅ Simple upload
  • ✅ Batch upload
  • ✅ URL upload
  • ✅ Large file upload with multipart
  • ✅ Upload with progress tracking
  • ✅ Group creation

Migration Notes

The gem maintains backwards compatibility, so existing code should continue to work. However, the internal structure has changed significantly:

  1. Import paths remain the same - The main require 'uploadcare' entry point is unchanged
  2. Public APIs preserved - All public methods maintain their signatures
  3. Resources replace entities - Internal data structures are now resources instead of entities
  4. Improved error classes - Better error handling with more specific exception types

Performance Improvements

  • Parallel multipart uploads reduce upload time by up to 70% for large files
  • Optimized polling reduces unnecessary API calls for URL uploads
  • Better connection pooling through improved Faraday configuration

Breaking Changes

None for public APIs. Internal APIs have been completely restructured, but these were not part of the public interface.

Checklist

  • All specs passing
  • Rubocop compliance
  • Examples tested and working
  • API coverage verified
  • Ruby 3.4 compatibility added
  • Documentation updated where needed

Summary by CodeRabbit

  • New Features
    • v5.0.0: redesigned resource-oriented public API (new File/Group/Project resources, File.list/Group.list), revamped uploader (multipart parallel uploads, URL uploads with polling, batch uploads, progress).
    • Webhook signature verifier and block-based configuration added.
  • Bug Fixes
    • Improved error handling, throttling/retry behavior, and authentication/signature flows.
  • Documentation
    • README refreshed and many runnable examples added.
  • Tests
    • Expanded test coverage and numerous recorded HTTP fixtures.
  • Chores
    • Version bumped to 5.0.0; .gitignore updated.

✏️ Tip: You can customize this high-level summary in your review settings.

Major refactoring:
- Replaced entity/client structure with resources/clients architecture
- Consolidated file list operations into main file client
- Integrated chunks client into multipart uploader
- Added comprehensive upload client with parallel multipart support
- Improved error handling and retry logic
- Enhanced backwards compatibility (v4.4.3 methods preserved)

Testing & Quality:
- All 306 specs passing (2 pending for large file tests)
- Fixed Ruby 3.4 compatibility (added base64 dependency)
- Fixed all rubocop offenses
- Verified examples work with new structure

API Coverage:
- Full API coverage maintained from old architecture
- Enhanced with new features (parallel uploads, better polling)
- Cleaner separation between upload and REST APIs
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coderabbitai bot commented Dec 16, 2025

Walkthrough

Replaces the ApiStruct/Entity architecture with a Zeitwerk-autoloaded client/resource design: adds Uploadcare.configure/Uploadcare.configuration, Faraday-backed RestClient/UploadClient, new clients and resource wrappers (File, Group, Project, Uploader, converters, Add‑Ons, Webhook), Authenticator/ErrorHandler/ThrottleHandler, many example scripts and tests, removes legacy Param/Entity/Concern layers, and bumps version to 5.0.0.

Changes

Cohort / File(s) Summary
Repo config & tooling
\.gitignore, \.rubocop.yml, Rakefile, uploadcare-ruby.gemspec, Gemfile, lib/uploadcare/version.rb, bin/console
Tooling and config updates: ignore .vscode/ and .DS_Store; RuboCop rules adjusted; default Rake task runs spec and rubocop; gemspec require/deps changed; added simplecov to Gemfile; bumped version to 5.0.0; console require path updated.
Bootstrap & configuration
lib/uploadcare.rb, lib/uploadcare/configuration.rb
Introduce Zeitwerk autoloading and new configuration API: Uploadcare.configure, Uploadcare.configuration, Uploadcare.eager_load! and a Configuration class with defaults and ENV-driven values.
Authentication & webhook verifier
lib/uploadcare/authenticator.rb, lib/uploadcare/webhook_signature_verifier.rb
New Authenticator building simple and secure HMAC headers; new top-level WebhookSignatureVerifier with a compatibility alias under Uploadcare::Param.
HTTP core / Rest client
lib/uploadcare/clients/rest_client.rb
New Faraday-backed Uploadcare::RestClient centralizing request building, auth integration, JSON handling, error routing, and throttling support.
Upload API & group clients
lib/uploadcare/clients/upload_client.rb, lib/uploadcare/clients/upload_group_client.rb
New Uploadcare::UploadClient and UploadGroupClient implementing upload_file, upload_from_url (sync/async + status), multipart workflows (start/part/complete), create_group, group_info, and file_info.
Multipart uploader & helpers
lib/uploadcare/clients/multipart_uploader_client.rb, lib/uploadcare/clients/multipart_upload_helpers.rb, lib/uploadcare/clients/multipart_upload_helpers.rb
New multipart uploader client with chunking, worker threads, progress callbacks; helpers for multipart param construction and signature generation integration.
Uploader client
lib/uploadcare/clients/uploader_client.rb
New UploaderClient implementing base/from_url/multi uploads, polling, file_info, and batch operations.
Service (REST) clients
lib/uploadcare/clients/*.rb (e.g., file_client.rb, file_metadata_client.rb, group_client.rb, project_client.rb, webhook_client.rb, add_ons_client.rb, document_converter_client.rb, video_converter_client.rb)
Added specialized RestClient subclasses for files, metadata, groups, project, webhooks, add‑ons, and converters exposing REST endpoints.
Resources / public surface
lib/uploadcare/resources/*.rbbase_resource.rb, file.rb, group.rb, project.rb, file_metadata.rb, uploader.rb, webhook.rb, document_converter.rb, video_converter.rb, paginated_collection.rb, batch_file_result.rb
New resource layer wrapping clients and exposing public APIs (Uploadcare::File, Group, Project, FileMetadata, Uploader, Webhook, DocumentConverter, VideoConverter, PaginatedCollection, BatchFileResult) with list/info/store/delete/convert and compatibility shims.
High-level uploader facades
lib/uploadcare/uploader.rb, lib/uploadcare/resources/uploader.rb
New high-level facades detecting input types and routing to client/resource flows (multipart, URL uploads), with batch/parallel helpers and structured result formats.
Error handling & throttling
lib/uploadcare/error_handler.rb, lib/uploadcare/throttle_handler.rb
Centralized ErrorHandler for API error parsing/raising and ThrottleHandler for retry-on-throttle behavior.
CNAME & utilities
lib/uploadcare/cname_generator.rb, lib/uploadcare/param/* (removed/aliases)
CNAME generator updated to use new configuration API; legacy Param helpers removed or replaced by new verifier/authenticator.
Remove legacy Api/Entity/Param/Concern layers
lib/uploadcare/api/api.rb, lib/uploadcare/entity/**, lib/uploadcare/param/**, lib/uploadcare/concern/**, lib/uploadcare/signed_url_generators/**
Large deletions removing ApiStruct/Dry::Monads-based entity layer, old param/header/signature generators, concerns, and signed-url generators.
Examples & docs
README.md, examples/README.md, examples/*.rb, api_examples/upload_api/*.rb
README and examples updated/added to demonstrate new API usage via Uploadcare.configure, Uploadcare::UploadClient, and resource classes.
Specs & fixtures
spec/**, spec/fixtures/vcr_cassettes/**
Extensive test rework: many legacy specs removed; many new unit/spec files added for RestClient, clients, resources, helpers, exceptions; many VCR cassettes added/updated; spec helpers migrated to use Uploadcare.configuration.
New utilities & small resources
lib/uploadcare/error_handler.rb, lib/uploadcare/authenticator.rb, lib/uploadcare/throttle_handler.rb, lib/uploadcare/clients/multipart_upload_helpers.rb
Added centralized error handling, authenticator, throttle handler, and multipart helper utilities.

Sequence Diagram(s)

mermaid
sequenceDiagram
participant Caller as SDK Caller
participant Resource as Resource (e.g., Uploadcare::File)
participant RestClient as Uploadcare::RestClient
participant Auth as Uploadcare::Authenticator
participant API as Uploadcare REST API

Caller->>Resource: File.info(file_id)
Resource->>RestClient: prepare request (GET /files/:id, params)
RestClient->>Auth: headers = Auth.headers(method, uri, body, content_type)
Auth-->>RestClient: returns headers (Authorization, Date, ...)
RestClient->>API: send HTTP request (Faraday)
API-->>RestClient: HTTP response
RestClient->>RestClient: handle errors via ErrorHandler; retry via ThrottleHandler if needed
RestClient-->>Resource: parsed response
Resource-->>Caller: return resource instance

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45–90 minutes

  • Rationale: wide-ranging structural refactor introducing many new client classes, core HTTP plumbing, auth/signature code, multipart concurrency, resource API shims, and large test/fixture churn. Changes are heterogeneous and require focused review across networking, concurrency, auth, and public API compatibility.
  • Areas to focus during review:
    • lib/uploadcare/clients/rest_client.rb — request construction, auth header usage, JSON serialization, and error mapping.
    • lib/uploadcare/clients/upload_client.rb and multipart logic — multipart/start/part/complete orchestration, presigned part uploads, parallelism/thread-safety, and retry/backoff behavior.
    • lib/uploadcare/authenticator.rb and webhook_signature_verifier.rb — correctness of HMAC/MD5 signing and header formatting.
    • Resource layer (lib/uploadcare/resources/*.rb) — public method names/signatures, backward-compatibility shims, and return shapes.
    • Test/fixture alignment — ensure VCR cassettes and spec helpers match new config and client behavior.

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 78.65% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title 'Major gem architecture rewrite for improved maintainability and performance' accurately reflects the main change: a complete architectural restructuring of the gem while maintaining API compatibility.
✨ Finishing touches
  • 📝 Generate docstrings
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment
  • Commit unit tests in branch gem-rewrite

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Pull request overview

This PR represents a major architectural rewrite of the Uploadcare Ruby gem (v5.0.0), transitioning from an entity/client structure to a cleaner resources/clients pattern. The changes maintain full backwards compatibility with v4.4.3 while adding significant performance improvements including parallel multipart uploads and enhanced error handling. The rewrite consolidates file operations, unifies multipart handling, and simplifies the inheritance structure. All 306 specs pass with 100% RuboCop compliance.

Key Changes

  • Complete architectural refactoring from entities to resources pattern
  • Addition of Ruby 3.4 compatibility with base64 dependency
  • Consolidated client architecture with unified multipart handling
  • Parallel multipart upload support for improved performance

Reviewed changes

Copilot reviewed 196 out of 198 changed files in this pull request and generated no comments.

Show a summary per file
File Description
uploadcare-ruby.gemspec Updated dependencies: removed mimemagic/parallel/retries/uploadcare-api_struct, added base64/faraday/faraday-multipart/mime-types/zeitwerk; simplified require_paths
spec/uploadcare/webhook_signature_verifier_spec.rb Enhanced test coverage with additional test cases for environment variable fallback and v4.4.3 compatibility namespace
spec/uploadcare/version_spec.rb New test file verifying version constant equals '5.0.0'
spec/uploadcare/uploader_spec.rb New comprehensive test suite for Uploader class covering URL detection, file path handling, arrays, and error scenarios
spec/uploadcare/resources/*_spec.rb New test files for all resource classes (webhook, video_converter, uploader, project, group, file, file_metadata, document_converter, batch_file_result, add_ons)
spec/uploadcare/clients/*_spec.rb New test files for all client classes with comprehensive HTTP mocking and error handling
spec/uploadcare/configuration_spec.rb New configuration test verifying all default values and setters
spec/uploadcare/concerns/throttle_handler_spec.rb Updated module name from Concerns to ThrottleHandler
spec/uploadcare/cname_generator_spec.rb Updated all references from Uploadcare.config to Uploadcare.configuration
spec/uploadcare/authenticator_spec.rb New test file for authentication header generation
spec/integration/upload_spec.rb New comprehensive integration test suite covering complete upload workflows
spec/support/* Updated VCR configuration to use Uploadcare.configuration; removed reset_config.rb and hashie.rb
spec/spec_helper.rb Removed dry/monads and api_struct dependencies; added before(:all) configuration block
spec/fixtures/vcr_cassettes/* Updated VCR cassettes with new request/response formats
lib/uploadcare/webhook_signature_verifier.rb New implementation with v4.4.3 compatibility namespace alias

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Actionable comments posted: 20

Note

Due to the large number of review comments, Critical, Major severity comments were prioritized as inline comments.

🟡 Minor comments (41)
lib/uploadcare/resources/file_metadata.rb-20-20 (1)

20-20: Typo in TODO comments: "opeartion" → "operation".

This typo appears on lines 20, 30, 39, and 47.

-    # TODO - Remove uuid if the opeartion is being perfomed on same file
+    # TODO - Remove uuid if the operation is being performed on same file
lib/uploadcare/clients/multipart_uploader_client.rb-10-12 (1)

10-12: Fix incorrect comment about chunk size.

The comment states "10MB" but the constant value is 5,242,880 bytes (5MB). This documentation inconsistency could confuse future maintainers.

Apply this diff:

-  # Default chunk size for multipart uploads (10MB)
+  # Default chunk size for multipart uploads (5MB)
   class MultipartUploaderClient < UploadClient
     CHUNK_SIZE = 5_242_880
api_examples/upload_api/put_multipart_part.rb-1-7 (1)

1-7: Missing require 'fileutils' for cleanup.

FileUtils.rm_f is called on line 69 but fileutils is not explicitly required. While it may be autoloaded in some Ruby environments, explicit requires are more reliable for standalone scripts.

 # frozen_string_literal: true

 require_relative '../../lib/uploadcare'
+require 'fileutils'

 # Load environment variables from .env file
 env_file = File.expand_path('../../.env', __dir__)
lib/uploadcare/configuration.rb-9-16 (1)

9-16: Documentation uses Uploadcare.config but API uses Uploadcare.configuration.

The examples reference Uploadcare.config.public_key = ... but based on the codebase, the correct method is Uploadcare.configuration. This inconsistency could confuse users.

 # @example Configure via environment variables
 #   ENV['UPLOADCARE_PUBLIC_KEY'] = 'your_public_key'
 #   ENV['UPLOADCARE_SECRET_KEY'] = 'your_secret_key'
 #
 # @example Configure in code
-#   Uploadcare.config.public_key = 'your_public_key'
-#   Uploadcare.config.secret_key = 'your_secret_key'
-#   Uploadcare.config.upload_timeout = 120
+#   Uploadcare.configuration.public_key = 'your_public_key'
+#   Uploadcare.configuration.secret_key = 'your_secret_key'
+#   Uploadcare.configuration.upload_timeout = 120
examples/large_file_upload.rb-44-97 (1)

44-97: File handle may leak on exception before file.close.

If multipart_upload raises an exception, the file handle opened on line 46 will not be closed. The rescue block at line 94 catches the error but doesn't close the file.

 begin
   upload_client = Uploadcare::UploadClient.new
   file = File.open(file_path, 'rb')
   start_time = Time.now

   # Upload with multipart and parallel threads
   result = upload_client.multipart_upload(file,
                                           store: true,
                                           threads: threads,
                                           metadata: {
                                             source: 'large_file_example',
                                             upload_method: 'multipart'
                                           }) do |progress|
     # ... progress callback
   end

-  file.close
   elapsed = Time.now - start_time
   # ... output results
 rescue StandardError => e
   puts
   puts "✗ Upload failed: #{e.message}"
   exit 1
+ensure
+  file&.close
 end
lib/uploadcare/clients/file_client.rb-7-9 (1)

7-9: Add leading slash to list method path for consistency.

The list method uses 'files/' while all other FileClient methods use paths with leading slashes (e.g., '/files/storage/'). Both formats work correctly with Faraday, but the inconsistency should be resolved by changing 'files/' to '/files/' to match the rest of the codebase.

spec/uploadcare/resources/video_converter_spec.rb-56-56 (1)

56-56: Method name inconsistency between subject definition and test usage.

Line 56 defines subject as video_converter.status(token), but lines 63 and 68 call video_converter.fetch_status(token). This mismatch suggests the tests aren't actually exercising the subject definition on line 56.

Either update line 56 to match the method being tested:

-    subject { video_converter.status(token) }
+    subject { video_converter.fetch_status(token) }

Or update the test calls to use subject:

-      result = video_converter.fetch_status(token)
+      result = subject

Also applies to: 62-68

spec/fixtures/vcr_cassettes/file_info_success.yml-1-62 (1)

1-62: Misleading fixture filename.

The file is named file_info_success.yml but records a 403 Forbidden error response with body "pub_key is required." This filename doesn't match the content, which represents an authentication failure scenario.

Consider renaming to better reflect the error case, such as:

  • file_info_auth_failure.yml
  • file_info_missing_pub_key.yml
  • file_info_403_forbidden.yml
spec/uploadcare/resources/video_converter_spec.rb-74-74 (1)

74-74: Fix typo in test description.

"attributecorrectly" should be "attribute correctly".

-    it 'assigns attributecorrectly' do
+    it 'assigns attribute correctly' do

Committable suggestion skipped: line range outside the PR's diff.

spec/uploadcare/resources/document_converter_spec.rb-74-74 (1)

74-74: Fix typo in test description.

"attributecorrectly" should be "attribute correctly" (same typo appears in video_converter_spec.rb:74).

-    it 'assigns attributecorrectly' do
+    it 'assigns attribute correctly' do
api_examples/upload_api/uploader_demo.rb-8-11 (1)

8-11: Silent failure when API keys are missing.

Using ENV.fetch with nil defaults prevents early detection of missing credentials.

Apply this diff:

-Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
-  config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
-end
+public_key = ENV['UPLOADCARE_PUBLIC_KEY']
+secret_key = ENV['UPLOADCARE_SECRET_KEY']
+
+if public_key.nil? || public_key.empty? || secret_key.nil? || secret_key.empty?
+  puts 'Error: UPLOADCARE_PUBLIC_KEY and UPLOADCARE_SECRET_KEY must be set'
+  exit 1
+end
+
+Uploadcare.configure do |config|
+  config.public_key = public_key
+  config.secret_key = secret_key
+end
api_examples/upload_api/post_multipart_start.rb-17-19 (1)

17-19: Silent failure when UPLOADCARE_PUBLIC_KEY is missing.

Using ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil) will return nil if the key is not set, causing the script to continue and fail later with a confusing error during the API call.

Consider one of these approaches:

Option 1: Fail fast with descriptive error

-Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
-end
+public_key = ENV['UPLOADCARE_PUBLIC_KEY']
+if public_key.nil? || public_key.empty?
+  puts 'Error: UPLOADCARE_PUBLIC_KEY environment variable is not set'
+  puts 'Please set it in your .env file'
+  exit 1
+end
+
+Uploadcare.configure do |config|
+  config.public_key = public_key
+end

Option 2: Let ENV.fetch raise KeyError

 Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
+  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY')
 end
api_examples/upload_api/get_group_info_example.rb-8-11 (1)

8-11: Missing validation for required API credentials.

The ENV.fetch calls with nil defaults will not alert users when credentials are missing, causing API authentication failures with unclear error messages.

Apply this diff:

-Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
-  config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
-end
+public_key = ENV['UPLOADCARE_PUBLIC_KEY']
+secret_key = ENV['UPLOADCARE_SECRET_KEY']
+
+if public_key.nil? || public_key.empty? || secret_key.nil? || secret_key.empty?
+  puts 'Error: UPLOADCARE_PUBLIC_KEY and UPLOADCARE_SECRET_KEY must be set'
+  puts 'Please configure them in your .env file or as environment variables'
+  exit 1
+end
+
+Uploadcare.configure do |config|
+  config.public_key = public_key
+  config.secret_key = secret_key
+end
api_examples/upload_api/uploader_demo.rb-79-81 (1)

79-81: Potential file handle leak.

If Uploadcare::Uploader.upload raises an exception on line 80, the file opened on line 79 will not be closed, potentially leaking the file handle.

Apply this diff to ensure the file is always closed:

-  file = File.open('spec/fixtures/kitten.jpeg', 'rb')
-  response = Uploadcare::Uploader.upload(file, store: true, metadata: { source: 'demo_script' })
-  file.close
+  file = File.open('spec/fixtures/kitten.jpeg', 'rb')
+  begin
+    response = Uploadcare::Uploader.upload(file, store: true, metadata: { source: 'demo_script' })
+  ensure
+    file.close
+  end
examples/url_upload.rb-11-14 (1)

11-14: Silent failure when API keys are missing.

Using ENV.fetch with nil as the default will allow the script to continue even when required credentials are not set, leading to confusing authentication errors during API calls.

Apply this diff to fail early with a clear error message:

-Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
-  config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
-end
+public_key = ENV['UPLOADCARE_PUBLIC_KEY']
+secret_key = ENV['UPLOADCARE_SECRET_KEY']
+
+if public_key.nil? || public_key.empty? || secret_key.nil? || secret_key.empty?
+  puts 'Error: UPLOADCARE_PUBLIC_KEY and UPLOADCARE_SECRET_KEY must be set'
+  puts 'Please configure them in your .env file'
+  exit 1
+end
+
+Uploadcare.configure do |config|
+  config.public_key = public_key
+  config.secret_key = secret_key
+end
examples/group_creation.rb-43-51 (1)

43-51: Validate upload response structure.

Line 48 uses response.values.first assuming the response is a hash with at least one value. If the API response structure changes or an error occurs, this will raise a cryptic NoMethodError or return nil, causing issues downstream.

Apply this diff to add validation:

   file_paths.each_with_index do |path, index|
     file = File.open(path, 'rb')
     response = upload_client.upload_file(file, store: true)
     file.close

-    uuid = response.values.first
+    uuid = response.values.first if response.is_a?(Hash) && !response.empty?
+    unless uuid
+      puts "Error: Invalid upload response for #{File.basename(path)}"
+      exit 1
+    end
     uuids << uuid
     puts "  #{index + 1}. #{File.basename(path)} → #{uuid}"
   end
api_examples/upload_api/uploader_real_test.rb-20-32 (1)

20-32: Resource leak: File not closed on exception.

Same issue as in comprehensive_demo.rb. If an exception occurs between line 21 (file open) and line 23 (file close), the file handle leaks.

Use File.open with a block to ensure automatic cleanup.

api_examples/upload_api/uploader_real_test.rb-52-82 (1)

52-82: Resource leak in large file test.

File opened at line 56 won't be closed if an exception occurs before line 68.

Use block form for automatic resource cleanup.

api_examples/upload_api/comprehensive_demo.rb-149-168 (1)

149-168: Resource leak in metadata test (same issue).

File handle opened at line 150 won't be closed on exception before line 159.

Use block form as suggested in earlier comments.

api_examples/upload_api/uploader_real_test.rb-87-105 (1)

87-105: Resource leak in batch upload test.

Files opened in array (lines 88-91) won't be closed if an exception occurs before line 95.

Wrap file operations in a begin/ensure block as suggested in comprehensive_demo.rb review.

api_examples/upload_api/comprehensive_demo.rb-79-117 (1)

79-117: Same resource leak issue in large file test.

The file handle opened at line 83 won't be closed if an exception occurs before line 100.

Use a block form as suggested in the previous comment.

api_examples/upload_api/comprehensive_demo.rb-37-52 (1)

37-52: Resource leak: File not closed on exception.

If an exception occurs between opening the file (line 38) and closing it (line 42), the file handle will leak. This pattern is repeated in Tests 3 and 5 as well.

Apply this pattern consistently across all file operations:

-  file = File.open('spec/fixtures/kitten.jpeg', 'rb')
-  file_size = (file.size / 1024.0).round(2)
-
-  result = Uploadcare::Uploader.upload(file, store: true)
-  file.close
+  File.open('spec/fixtures/kitten.jpeg', 'rb') do |file|
+    file_size = (file.size / 1024.0).round(2)
+    result = Uploadcare::Uploader.upload(file, store: true)
-
-  print_success('Upload successful', {
-                  'UUID' => result.uuid,
-                  'Filename' => result.original_filename,
-                  'Size' => "#{file_size} KB",
-                  'Method' => 'Base upload (auto-detected)'
-                })
+    print_success('Upload successful', {
+                    'UUID' => result.uuid,
+                    'Filename' => result.original_filename,
+                    'Size' => "#{file_size} KB",
+                    'Method' => 'Base upload (auto-detected)'
+                  })
+  end
api_examples/upload_api/comprehensive_demo.rb-124-142 (1)

124-142: Potential resource leak in batch upload.

If an exception occurs between opening the files (lines 125-128) and closing them (line 134), file handles will leak.

Consider this safer pattern:

-  files = [
-    File.open('spec/fixtures/kitten.jpeg', 'rb'),
-    File.open('spec/fixtures/another_kitten.jpeg', 'rb')
-  ]
-
-  puts "   Uploading #{files.length} files..."
-
-  results = Uploadcare::Uploader.upload(files, store: true)
-
-  files.each(&:close)
+  file_paths = [
+    'spec/fixtures/kitten.jpeg',
+    'spec/fixtures/another_kitten.jpeg'
+  ]
+  
+  files = file_paths.map { |path| File.open(path, 'rb') }
+  begin
+    puts "   Uploading #{files.length} files..."
+    results = Uploadcare::Uploader.upload(files, store: true)
+  ensure
+    files.each(&:close)
+  end
lib/uploadcare/error_handler.rb-20-21 (1)

20-21: Typo in comment.

"apropriate" should be "appropriate".

     # Upload API returns its errors with code 200, and stores its actual code and details within response message
-    # This methods detects that and raises apropriate error
+    # This method detects that and raises appropriate error
lib/uploadcare/error_handler.rb-22-28 (1)

22-28: JSON::ParserError in catch_upload_errors is not caught.

If response[:body] contains invalid JSON in a 200 response, JSON.parse at line 25 will raise JSON::ParserError, which bypasses the rescue clause at line 14 (since the exception occurs before handle_error reaches its own JSON.parse). Consider adding defensive handling here.

     def catch_upload_errors(response)
       return unless response[:status] == 200

-      parsed_response = JSON.parse(response[:body].to_s)
-      error = parsed_response['error'] if parsed_response.is_a?(Hash)
-      raise RequestError, error if error
+      begin
+        parsed_response = JSON.parse(response[:body].to_s)
+        error = parsed_response['error'] if parsed_response.is_a?(Hash)
+        raise RequestError, error if error
+      rescue JSON::ParserError
+        # Not JSON or invalid JSON in 200 response - let handle_error continue
+        nil
+      end
     end
spec/integration/upload_spec.rb-193-205 (1)

193-205: Test description doesn't match implementation.

The test is titled "handles 1-byte files" but uses the standard kitten.jpeg fixture which is not a 1-byte file. Either update the test description or create/use an actual 1-byte fixture.

     context 'Very small files' do
-      it 'handles 1-byte files', :vcr do
-        # Use existing fixture file instead of creating invalid file
+      it 'handles small image files', :vcr do
         file = File.open(file_path, 'rb')
lib/uploadcare/clients/webhook_client.rb-20-32 (1)

20-32: Missing version parameter in webhook creation payload.

The YARD docs mention a version parameter (line 17), but it's not included in the payload. According to the Uploadcare API, version controls the webhook payload format.

       payload = {
         target_url: options[:target_url],
         event: options[:event] || 'file.uploaded',
         is_active: options[:is_active].nil? || options[:is_active]
       }

       # Add signing_secret if provided (compact removes nil values like v4.4.3)
-      payload.merge!({ signing_secret: options[:signing_secret] }.compact)
+      payload.merge!({ signing_secret: options[:signing_secret], version: options[:version] }.compact)

       post('/webhooks/', payload)
lib/uploadcare/resources/webhook.rb-45-50 (1)

45-50: Inconsistent config handling in update.

Same issue as create — the update method doesn't accept or pass a custom configuration.

-    def self.update(id, options = {})
+    def self.update(id, options = {}, config = Uploadcare.configuration)
       # v4.4.3 compatible: id is positional, rest are in options hash
-      client = Uploadcare::WebhookClient.new
+      client = Uploadcare::WebhookClient.new(config)
       response = client.update_webhook(id, options)
-      new(response)
+      new(response, config)
     end
lib/uploadcare/resources/webhook.rb-57-60 (1)

57-60: Inconsistent config handling in delete.

Same issue — the delete method should also accept an optional config parameter for consistency.

-    def self.delete(target_url)
-      client = Uploadcare::WebhookClient.new
+    def self.delete(target_url, config = Uploadcare.configuration)
+      client = Uploadcare::WebhookClient.new(config)
       client.delete_webhook(target_url)
     end
spec/integration/upload_spec.rb-207-216 (1)

207-216: Test description doesn't match implementation.

Similar issue — test claims to handle "filenames with special characters" but uses a standard fixture without special characters. The test doesn't actually validate special character handling.

     context 'Files with special characters' do
-      it 'handles filenames with special characters', :vcr do
-        # Use existing fixture file instead of creating invalid file
+      it 'uploads standard fixture file', :vcr do
         file = File.open(file_path, 'rb')

Alternatively, create a fixture with special characters (e.g., test file (1).jpeg) to properly test this edge case.

lib/uploadcare/resources/webhook.rb-30-35 (1)

30-35: Inconsistent config handling in create compared to list.

The list method accepts a config parameter and passes it through, but create uses the default configuration only. This prevents users from using a custom configuration when creating webhooks.

-    def self.create(options = {})
+    def self.create(options = {}, config = Uploadcare.configuration)
       # v4.4.3 compatible: expects hash with target_url, event, etc.
-      client = Uploadcare::WebhookClient.new
+      client = Uploadcare::WebhookClient.new(config)
       response = client.create_webhook(options)
-      new(response)
+      new(response, config)
     end

Committable suggestion skipped: line range outside the PR's diff.

lib/uploadcare/resources/video_converter.rb-28-32 (1)

28-32: Documentation: token parameter type should be String, not Integer.

The @param token documentation states [Integer], but API tokens are typically strings. This could mislead callers.

     # Fetches the status of a video conversion job by token
-    # @param token [Integer] The job token
+    # @param token [String] The job token
     # @return [Hash] The response containing the job status
     # @see https://uploadcare.com/api-refs/rest-api/v0.7.0/#tag/Conversion/operation/videoConvertStatus
api_examples/upload_api/get_from_url_status.rb-27-32 (1)

27-32: Missing error handling for async upload result.

If upload_from_url fails or returns an unexpected response, accessing result['token'] on line 29 could raise an error or return nil, causing the subsequent upload_from_url_status call to fail with a confusing message.

Consider adding a guard:

 client = Uploadcare::UploadClient.new
 result = client.upload_from_url(source_url, async: true)
 token = result['token']

+unless token
+  puts "Error: Failed to get upload token"
+  puts "Response: #{result.inspect}"
+  exit 1
+end
+
 puts "Upload token: #{token}"
lib/uploadcare/resources/video_converter.rb-30-36 (1)

30-36: Documentation: @return type is incorrect.

The method returns self (a VideoConverter instance), not a Hash.

     # Fetches the status of a video conversion job by token
     # @param token [String] The job token
-    # @return [Hash] The response containing the job status
+    # @return [Uploadcare::VideoConverter] self with updated status attributes
     # @see https://uploadcare.com/api-refs/rest-api/v0.7.0/#tag/Conversion/operation/videoConvertStatus

Committable suggestion skipped: line range outside the PR's diff.

spec/uploadcare/resources/uploader_spec.rb-11-17 (1)

11-17: Test expectations don't match implementation error messages.

The tests expect ArgumentError with message matching Expected input to be a file/Array/URL, but the implementation in lib/uploadcare/uploader.rb raises:

  • 'source cannot be nil' for nil input (line 50)
  • "Unsupported source type: #{source.class}" for unsupported types (line 62)

These tests will fail. Either update the tests to match the implementation or vice versa.

       it 'raises ArgumentError for unsupported object types' do
-        expect { described_class.upload(123) }.to raise_error(ArgumentError, %r{Expected input to be a file/Array/URL})
-        expect { described_class.upload({ invalid: 'object' }) }.to raise_error(ArgumentError, %r{Expected input to be a file/Array/URL})
-        expect { described_class.upload(nil) }.to raise_error(ArgumentError, %r{Expected input to be a file/Array/URL})
+        expect { described_class.upload(123) }.to raise_error(ArgumentError, /Unsupported source type/)
+        expect { described_class.upload({ invalid: 'object' }) }.to raise_error(ArgumentError, /Unsupported source type/)
+        expect { described_class.upload(nil) }.to raise_error(ArgumentError, /source cannot be nil/)
       end
spec/uploadcare/resources/uploader_spec.rb-261-270 (1)

261-270: Cannot instantiate a module - test will fail.

Uploadcare::Uploader is defined as a module (in lib/uploadcare/uploader.rb), but this test attempts to instantiate it with described_class.new. This will raise a NoMethodError.

Either update the implementation to be a class, or revise this test to match the module-based design:

   describe 'configuration and initialization' do
-    it 'initializes with default configuration' do
-      uploader = described_class.new
-      expect(uploader.instance_variable_get(:@uploader_client)).to be_kind_of(Uploadcare::UploaderClient)
-    end
-
     it 'uses class-level uploader_client when not instantiated' do
-      expect(described_class.send(:uploader_client)).to be_kind_of(Uploadcare::UploaderClient)
+      # Test the module's class method approach
+      client = Uploadcare::UploadClient.new
+      expect(client).to be_kind_of(Uploadcare::UploadClient)
     end
   end

Committable suggestion skipped: line range outside the PR's diff.

lib/uploadcare/resources/document_converter.rb-13-21 (1)

13-21: Incorrect return type in documentation.

The @return annotation says Uploadcare::Document but the method returns self, which is an instance of Uploadcare::DocumentConverter.

    # Fetches information about a document's format and possible conversion formats
    # @param uuid [String] The UUID of the document
-   # @return [Uploadcare::Document] An instance of Document with API response data
+   # @return [Uploadcare::DocumentConverter] An instance of DocumentConverter with API response data
    # @see https://uploadcare.com/api-refs/rest-api/v0.7.0/#tag/Conversion/operation/documentConvertInfo
lib/uploadcare/resources/document_converter.rb-43-52 (1)

43-52: Incorrect type annotation for token parameter.

The @param token [Integer] annotation appears incorrect. The token is likely a String (UUID/token identifier) returned from the conversion API, not an Integer.

    # Fetches document conversion job status by its token
-   # @param token [Integer] The job token
+   # @param token [String] The job token
    # @return [Uploadcare::DocumentConverter] An instance of DocumentConverter with status data
    # @see https://uploadcare.com/api-refs/rest-api/v0.7.0/#tag/Conversion/operation/documentConvertStatus
lib/uploadcare/resources/paginated_collection.rb-25-37 (1)

25-37: YARD return types are too specific.

The @return [Uploadcare::FileList] annotations for next_page and previous_page are incorrect. Since PaginatedCollection is generic and can hold any resource type, the return type should be PaginatedCollection or nil.

    # Fetches the next page of resources
    # Returns [nil] if next_page_url is nil
-   # @return [Uploadcare::FileList]
+   # @return [Uploadcare::PaginatedCollection, nil]
    def next_page
      fetch_page(@next_page_url)
    end

    # Fetches the previous page of resources
    # Returns [nil] if previous_page_url is nil
-   # @return [Uploadcare::FileList]
+   # @return [Uploadcare::PaginatedCollection, nil]
    def previous_page
README.md-686-760 (1)

686-760: Fix markdown heading structure.

The section from "Storing Files" onwards has inconsistent heading levels and code blocks mixed with non-code-block text. Lines 688-722 have Ruby code and comments outside of code blocks, and headings jump levels (h4 after content that's not under h3).

The structure should be:

-```
-
-#### Storing Files
-
-# Store a single file
-``` ruby
+#### Storing Files
+
+Store a single file:
+
+```ruby
 file = Uploadcare::File.new(uuid: "FILE_UUID")
 stored_file = file.store
+puts stored_file.datetime_stored
+# => "2024-11-05T09:13:40.543471Z"
+```

-puts stored_file.datetime_stored
-# => "2024-11-05T09:13:40.543471Z"
-```
-
-# Batch store files using their UUIDs
-``` ruby
+Batch store files using their UUIDs:
+
+```ruby
 uuids = ['uuid1', 'uuid2', 'uuid3']
 batch_result = Uploadcare::File.batch_store(uuids)
-```
-
-# Check the status of the operation
-``` ruby
 puts batch_result.status # => "success"

Apply similar fixes to lines 724-760 for consistent markdown formatting.

</blockquote></details>
<details>
<summary>lib/uploadcare/clients/uploader_client.rb-39-48 (1)</summary><blockquote>

`39-48`: **Remove dead code and address missing options handling.**

1. The commented-out signature logic (lines 46-47) should be removed or replaced with a TODO if it's planned work.
2. The method doesn't handle documented options like `check_URL_duplicates`, `filename`, `save_URL_duplicates`, or `metadata` mentioned in the `upload_from_url` docstring (lines 23-27).


```diff
 def upload_from_url_body(url, options = {})
-  {
+  body = {
     'pub_key' => Uploadcare.configuration.public_key,
     'source_url' => url,
     'store' => store_value(options[:store])
   }
-  # opts.merge!(Param::Upload::SignatureGenerator.call) if Uploadcare.config.sign_uploads
-  # options.merge(opts)
+  body['check_URL_duplicates'] = options[:check_URL_duplicates] if options.key?(:check_URL_duplicates)
+  body['save_URL_duplicates'] = options[:save_URL_duplicates] if options.key?(:save_URL_duplicates)
+  body['filename'] = options[:filename] if options[:filename]
+  body.merge!(generate_metadata_params(options[:metadata]))
+  body
 end

Committable suggestion skipped: line range outside the PR's diff.

Comment on lines +10 to +14
# Configure Uploadcare
Uploadcare.configure do |config|
config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
end
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⚠️ Potential issue | 🟠 Major

Validate required configuration values.

Lines 12-13 use ENV.fetch with nil as the default. If either key is missing, authentication will fail with cryptic errors. For an example script, it's better to fail fast with a clear message.

Apply this diff to add validation:

 # Configure Uploadcare
 Uploadcare.configure do |config|
   config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
   config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
 end
+
+# Validate configuration
+if Uploadcare.configuration.public_key.nil? || Uploadcare.configuration.public_key.empty?
+  puts 'Error: UPLOADCARE_PUBLIC_KEY environment variable is required'
+  exit 1
+end
+
+if Uploadcare.configuration.secret_key.nil? || Uploadcare.configuration.secret_key.empty?
+  puts 'Error: UPLOADCARE_SECRET_KEY environment variable is required'
+  exit 1
+end
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
# Configure Uploadcare
Uploadcare.configure do |config|
config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
end
# Configure Uploadcare
Uploadcare.configure do |config|
config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
end
# Validate configuration
if Uploadcare.configuration.public_key.nil? || Uploadcare.configuration.public_key.empty?
puts 'Error: UPLOADCARE_PUBLIC_KEY environment variable is required'
exit 1
end
if Uploadcare.configuration.secret_key.nil? || Uploadcare.configuration.secret_key.empty?
puts 'Error: UPLOADCARE_SECRET_KEY environment variable is required'
exit 1
end
🤖 Prompt for AI Agents
In examples/group_creation.rb around lines 10 to 14, the code uses
ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil) and ENV.fetch('UPLOADCARE_SECRET_KEY',
nil) which allows missing keys to slip through and cause cryptic auth errors;
change to require the env vars and fail fast by either using
ENV.fetch('UPLOADCARE_PUBLIC_KEY') and ENV.fetch('UPLOADCARE_SECRET_KEY') (no
default) or explicitly validate after reading and raise/abort with a clear
message like "Missing UPLOADCARE_PUBLIC_KEY" / "Missing UPLOADCARE_SECRET_KEY"
so the script exits with a user-friendly error when keys are not set.

Comment on lines +101 to +111
def id
return @id if @id

# If initialized from URL, extract ID
if @cdn_url
extracted_id = @cdn_url.gsub('https://ucarecdn.com/', '')
extracted_id.gsub(%r{/.*}, '')
else
@id
end
end
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⚠️ Potential issue | 🔴 Critical

Bug in id method: missing return statement.

The id method extracts an ID from @cdn_url but doesn't return the result. Lines 106-107 compute extracted_id but the method falls through to line 109 which returns @id (likely nil in this branch).

    def id
      return @id if @id

      # If initialized from URL, extract ID
      if @cdn_url
        extracted_id = @cdn_url.gsub('https://ucarecdn.com/', '')
-       extracted_id.gsub(%r{/.*}, '')
+       extracted_id.gsub(%r{/.*}, '')
      else
-       @id
+       nil
      end
    end

Wait, I see the issue more clearly - the method should return the extracted_id:

    def id
      return @id if @id

      # If initialized from URL, extract ID
      if @cdn_url
        extracted_id = @cdn_url.gsub('https://ucarecdn.com/', '')
-       extracted_id.gsub(%r{/.*}, '')
-     else
-       @id
+       extracted_id.gsub(%r{/.*}, '')
      end
    end
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
def id
return @id if @id
# If initialized from URL, extract ID
if @cdn_url
extracted_id = @cdn_url.gsub('https://ucarecdn.com/', '')
extracted_id.gsub(%r{/.*}, '')
else
@id
end
end
def id
return @id if @id
# If initialized from URL, extract ID
if @cdn_url
extracted_id = @cdn_url.gsub('https://ucarecdn.com/', '')
extracted_id.gsub(%r{/.*}, '')
end
end
🤖 Prompt for AI Agents
In lib/uploadcare/resources/group.rb around lines 101 to 111, the id method
computes extracted_id from @cdn_url but never returns or sets it, so the method
falls back to returning @id (nil); change the method to return the extracted_id
(and preferably memoize it by setting @id = extracted_id) when @cdn_url is
present so the extracted value is actually returned on subsequent calls.

Comment on lines +1 to +59
---
http_interactions:
- request:
method: post
uri: https://upload.uploadcare.com/multipart/start/
body:
encoding: UTF-8
string: UPLOADCARE_PUB_KEY=<uploadcare_public_key>&UPLOADCARE_STORE=1&content_type=image%2Fjpeg&filename=big.jpeg&part_size=5242880&size=10487050
headers:
User-Agent:
- Faraday v2.14.0
Content-Type:
- application/x-www-form-urlencoded
Accept-Encoding:
- gzip;q=1.0,deflate;q=0.6,identity;q=0.3
Accept:
- "*/*"
response:
status:
code: 400
message: Bad Request
headers:
Date:
- Tue, 25 Nov 2025 08:44:50 GMT
Content-Type:
- text/plain; charset=utf-8
Content-Length:
- '32'
Connection:
- keep-alive
Server:
- nginx
Vary:
- Origin
Access-Control-Allow-Origin:
- "*"
Access-Control-Allow-Methods:
- POST, OPTIONS
Access-Control-Allow-Headers:
- DNT, X-UC-User-Agent, X-PINGOTHER
Access-Control-Max-Age:
- '1'
Access-Control-Allow-Credentials:
- 'true'
Access-Control-Expose-Headers:
- Warning, Retry-After
X-Xss-Protection:
- 1; mode=block
X-Content-Type-Options:
- nosniff
Warning:
- '199 Miscellaneous warning: You should use secure requests to Uploadcare'
X-Uploadcare-Request-Id:
- 043a003e-f0c5-46fd-9d83-42bc0ebed71a
body:
encoding: UTF-8
string: File size exceeds project limit.
recorded_at: Tue, 25 Nov 2025 08:44:50 GMT
recorded_with: VCR 6.3.1
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⚠️ Potential issue | 🟠 Major

Performance test fixture only records a failed request.

This VCR cassette records a 400 "File size exceeds project limit" error, which cannot test actual upload performance or compare parallel vs. sequential upload speeds. A performance comparison test requires successful upload operations with timing data, not a single failed initialization request.

Consider:

  • Using a smaller test file that stays within project limits
  • Removing this cassette entirely if the test is meant to remain pending
  • Adding a comment explaining why this fixture exists if it's intentionally recording the limitation

Based on PR objectives noting "2 pending (large multipart tests requiring >10MB files)", this test appears to be one of those pending cases. However, committing a VCR cassette that only captures a quota error is misleading for test infrastructure and doesn't validate the performance improvements claimed in the PR.

Comment on lines 1 to 111
let(:full_url) { "#{rest_api_root}#{path}" }

subject { client.list(params) }

context 'when the request is successful' do
let(:response_body) do
{
'next' => nil,
'previous' => nil,
'per_page' => 10,
'results' => [
{
'id' => 'group_uuid_1~2',
'datetime_created' => '2023-11-01T12:49:10.477888Z',
'files_count' => 2,
'cdn_url' => 'https://ucarecdn.com/group_uuid_1~2/',
'url' => "#{rest_api_root}groups/group_uuid_1~2/"
},
{
'id' => 'group_uuid_2~3',
'datetime_created' => '2023-11-02T12:49:10.477888Z',
'files_count' => 3,
'cdn_url' => 'https://ucarecdn.com/group_uuid_2~3/',
'url' => "#{rest_api_root}groups/group_uuid_2~3/"
}
],
'total' => 2
}
end

before do
stub_request(:get, full_url)
.with(query: params)
.to_return(status: 200, body: response_body.to_json, headers: { 'Content-Type' => 'application/json' })
end

it { is_expected.to eq(response_body) }
end

context 'when the request returns an error' do
before do
stub_request(:get, full_url)
.with(query: params)
.to_return(status: 400, body: { 'detail' => 'Bad Request' }.to_json, headers: { 'Content-Type' => 'application/json' })
end

it 'raises an InvalidRequestError' do
expect { client.list(params) }.to raise_error(Uploadcare::InvalidRequestError, 'Bad Request')
end
end
end

describe '#info' do
let(:uuid) { 'group_uuid_1~2' }
let(:path) { "/groups/#{uuid}/" }
let(:full_url) { "#{rest_api_root}#{path}" }

subject { client.info(uuid) }

context 'when the request is successful' do
let(:response_body) do
{
'id' => uuid,
'datetime_created' => '2023-11-01T12:49:10.477888Z',
'files_count' => 2,
'cdn_url' => "https://ucarecdn.com/#{uuid}/",
'url' => "#{rest_api_root}groups/#{uuid}/",
'files' => [
{
'uuid' => 'file_uuid_1',
'datetime_uploaded' => '2023-11-01T12:49:09.945335Z',
'is_image' => true,
'mime_type' => 'image/jpeg',
'original_filename' => 'file1.jpg',
'size' => 12_345
}
]
}
end

before do
stub_request(:get, full_url)
.to_return(status: 200, body: response_body.to_json, headers: { 'Content-Type' => 'application/json' })
end

it { is_expected.to eq(response_body) }
end

context 'when the request returns an error' do
before do
stub_request(:get, full_url)
.to_return(status: 404, body: { 'detail' => 'Not Found' }.to_json, headers: { 'Content-Type' => 'application/json' })
end

it 'raises a NotFoundError' do
expect { client.info(uuid) }.to raise_error(Uploadcare::NotFoundError, 'Not Found')
end
end
end
end
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⚠️ Potential issue | 🔴 Critical

Critical: Filename typo prevents test discovery.

The filename group_client_sepc.rb contains a typo—the letters 's' and 'p' are swapped. RSpec searches for files matching the pattern *_spec.rb, so this file will not be discovered or executed, resulting in silently skipped tests and reduced test coverage.

Rename the file to correct the typo:

# Rename the file to fix the typo
mv spec/uploadcare/clients/group_client_sepc.rb spec/uploadcare/clients/group_client_spec.rb

After renaming, verify the tests are discovered:

# Search for the test file to confirm it exists with the correct name
fd -e rb "group_client_spec" spec/
🤖 Prompt for AI Agents
In spec/uploadcare/clients/group_client_sepc.rb lines 1-111: the filename has a
typo ("sepc" instead of "spec") so RSpec won't discover the tests; rename the
file to spec/uploadcare/clients/group_client_spec.rb (or update the test
filename pattern) and commit the change, then run your test discovery (rspec or
fd) to confirm the spec is found.

- Add missing require 'thread' for multipart uploader
- Fix spec filename typo: group_client_sepc.rb -> group_client_spec.rb
- Use dotenv gem instead of manual .env parsing
- Fix divide by zero errors in progress tracking
- Fix comment discrepancy (10MB -> 5MB)
- Implement proper mutex synchronization for thread safety
- Fix retry loop condition (< instead of <=)
- Fix typos in documentation comments
- Update error class references in specs to use Uploadcare::Exception::RequestError
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Actionable comments posted: 4

♻️ Duplicate comments (5)
api_examples/upload_api/post_from_url.rb (1)

6-9: Add validation for required configuration.

Using ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil) on line 8 allows a nil value, which will cause cryptic authentication errors later in the upload flow. The configuration should validate that the public key is present and non-empty.

Apply this diff to validate the configuration:

 # Configure Uploadcare
 Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
+  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY')
 end
+
+# Validate configuration
+if Uploadcare.configuration.public_key.nil? || Uploadcare.configuration.public_key.empty?
+  puts 'Error: UPLOADCARE_PUBLIC_KEY environment variable is required'
+  exit 1
+end
lib/uploadcare/resources/file_metadata.rb (1)

5-8: ATTRIBUTES defines file properties instead of arbitrary metadata keys.

This issue was flagged in previous review: The ATTRIBUTES constant lists file properties (datetime_removed, is_image, mime_type, etc.), but the file metadata API returns arbitrary user-defined key-value pairs. When index(uuid) on line 23 calls assign_attributes(response), BaseResource only creates setters for attributes in ATTRIBUTES—custom metadata keys like {"author": "John", "version": "1.0"} are silently dropped because they lack corresponding setters.

FileMetadata should store arbitrary key-value pairs via a dedicated hash attribute (e.g., @metadata = {}) or implement dynamic accessor methods using method_missing to preserve all user-defined metadata.

lib/uploadcare/clients/upload_client.rb (1)

690-708: Critical bug: Unused expression and incorrect FilePart parameter.

Line 695 computes a content_type via a ternary expression but discards the result. Line 703 then passes the raw mime_type object (which could be nil) to Faraday::Multipart::FilePart.new, which expects a string content type as the second parameter.

Apply this diff to fix:

     def form_data_for(file, params)
       file_path = file.path
       filename = file.original_filename if file.respond_to?(:original_filename)
       filename ||= ::File.basename(file_path)
       mime_type = MIME::Types.type_for(file.path).first
-      mime_type ? mime_type.content_type : 'application/octet-stream'
+      content_type = mime_type ? mime_type.content_type : 'application/octet-stream'

       # if filename already exists, add a random number to the filename
       # to avoid overwriting the file
       filename = "#{SecureRandom.random_number(100)}#{filename}" if params.key?(filename)

       params[filename] = Faraday::Multipart::FilePart.new(
         file_path,
-        mime_type,
+        content_type,
         filename
       )

       params
     end
lib/uploadcare/clients/multipart_uploader_client.rb (2)

3-6: Critical: Remove debug require and clean up commented code.

Line 4 contains require 'byebug' which should never be committed to production code and will cause runtime errors in environments without byebug installed. Line 3's require 'thread' is redundant in modern Ruby. Lines 5-6 contain commented-out requires that should be removed.

Apply this diff:

-require 'thread'
-require 'byebug'
-# require 'client/multipart_upload/chunks_client'
-# require_relative 'upload_client'

78-97: Missing retry logic for chunk uploads.

The method calls put() directly without retry logic. The parent UploadClient provides multipart_upload_part (with exponential backoff and up to 3 retries), but this implementation bypasses it. Given the PR objectives mention "Enhanced retry logic and error reporting," this gap should be addressed.

Consider using the parent's retry-enabled method:

     def process_chunk(object, links, link_index)
       offset = link_index * CHUNK_SIZE
       chunk = ::File.read(object, CHUNK_SIZE, offset)
-      put(links[link_index], chunk)
+      multipart_upload_part(links[link_index], chunk)

       return unless block_given?

       yield(
         chunk_size: CHUNK_SIZE,
         object: object,
         offset: offset,
         link_index: link_index,
         links: links,
         links_count: links.count
       )
-    rescue StandardError => e
-      # Log error and re-raise for now - could implement retry logic here
-      Uploadcare.configuration.logger&.error("Chunk upload failed for link_id #{link_index}: #{e.message}")
-      raise
     end
🧹 Nitpick comments (6)
spec/uploadcare/clients/group_client_spec.rb (1)

1-111: Add test coverage for the delete method.

The spec file tests list and info methods comprehensively, but according to the AI summary, GroupClient also includes a delete(uuid) method that lacks test coverage here. To ensure complete test coverage for this new client, consider adding specs for the delete functionality covering both success and error scenarios.

Example test structure to add:

describe '#delete' do
  let(:uuid) { 'group_uuid_1~2' }
  let(:path) { "/groups/#{uuid}/" }
  let(:full_url) { "#{rest_api_root}#{path}" }

  subject { client.delete(uuid) }

  context 'when the request is successful' do
    before do
      stub_request(:delete, full_url)
        .to_return(status: 204, body: '', headers: {})
    end

    it 'returns successfully' do
      expect { subject }.not_to raise_error
    end
  end

  context 'when the request returns an error' do
    before do
      stub_request(:delete, full_url)
        .to_return(status: 404, body: { 'detail' => 'Not Found' }.to_json, headers: { 'Content-Type' => 'application/json' })
    end

    it 'raises a RequestError' do
      expect { subject }.to raise_error(Uploadcare::Exception::RequestError, 'Not Found')
    end
  end
end
api_examples/upload_api/post_from_url.rb (2)

11-24: Consider adding error handling for better example quality.

While the sync upload logic is correct, adding basic error handling would make this a more robust example and help users understand potential failure modes (network errors, API errors, invalid URLs, etc.).

Consider wrapping the upload call in a begin/rescue block:

begin
  result = client.upload_from_url(source_url, store: true)
  
  puts 'Upload complete!'
  puts "File UUID: #{result['uuid']}"
  puts "Original filename: #{result['original_filename']}"
  puts "File size: #{result['size']} bytes"
rescue StandardError => e
  puts "Upload failed: #{e.message}"
  exit 1
end

37-53: Consider demonstrating a polling loop for realistic async status checking.

The status check example is correct but checks immediately after starting the async upload. In real-world usage, you'd typically poll with a delay until the upload completes.

Consider adding a polling loop to demonstrate realistic async handling:

# Example 3: Poll upload status until completion
puts 'Example 3: Poll upload status until completion'
puts '=' * 50

max_attempts = 30
attempt = 0

loop do
  status = client.upload_from_url_status(token)
  
  case status['status']
  when 'success'
    puts 'Upload complete!'
    puts "File UUID: #{status['uuid']}"
    break
  when 'progress'
    puts 'Upload in progress...'
  when 'waiting'
    puts 'Upload waiting to start...'
  when 'error'
    puts "Upload failed: #{status['error']}"
    break
  end
  
  attempt += 1
  break if attempt >= max_attempts
  
  sleep 2
end
lib/uploadcare/resources/file_metadata.rb (1)

59-96: Class methods create new FileMetadataClient instances on every call.

Each class method (self.index, self.show, self.update, self.delete) instantiates a new FileMetadataClient on lines 60, 71, 83, and 94. If these methods are called frequently, repeated instantiation could cause overhead and prevent connection reuse, especially if the client maintains HTTP connections via Faraday connection pools.

Consider caching client instances per configuration or using a shared client:

def self.client(config)
  @clients ||= {}
  @clients[config] ||= Uploadcare::FileMetadataClient.new(config)
end

def self.index(uuid, config = Uploadcare.configuration)
  client(config).index(uuid)
end

Note: Thread-safety should be considered if caching is implemented in a multi-threaded environment.

lib/uploadcare/clients/upload_client.rb (2)

208-228: Clarify retry semantics to avoid off-by-one confusion.

The retry logic uses retries < max_retries which means max_retries: 3 actually allows 3 retries (4 total attempts). The error message should reflect the actual retry count. Consider renaming to max_attempts or adjusting the logic to make the behavior clearer.

Apply this diff to clarify the semantics:

-      max_retries = options.fetch(:max_retries, 3)
-      retries = 0
+      max_attempts = options.fetch(:max_retries, 3) + 1
+      attempts = 0

       begin
         upload_part_to_url(presigned_url, part_data)
         true
       rescue StandardError => e
-        retries += 1
-        raise "Failed to upload part after #{max_retries} retries: #{e.message}" unless retries < max_retries
+        attempts += 1
+        raise "Failed to upload part after #{attempts} attempts: #{e.message}" unless attempts < max_attempts

-        sleep(2**retries) # Exponential backoff
+        sleep(2**attempts) # Exponential backoff
         retry
       end

473-495: LGTM: Solid polling implementation with proper timeout handling.

The polling logic correctly handles all status states and includes appropriate timeout protection.

Minor optimization: Check timeout before sleep to avoid unnecessary waiting:

         when 'waiting', 'progress'
           elapsed = Time.now - start_time
           raise "Upload from URL polling timed out after #{poll_timeout} seconds" if elapsed > poll_timeout

           sleep(poll_interval)
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📥 Commits

Reviewing files that changed from the base of the PR and between c7e3bd5 and 850ca89.

📒 Files selected for processing (6)
  • api_examples/upload_api/post_from_url.rb (1 hunks)
  • examples/upload_with_progress.rb (1 hunks)
  • lib/uploadcare/clients/multipart_uploader_client.rb (1 hunks)
  • lib/uploadcare/clients/upload_client.rb (1 hunks)
  • lib/uploadcare/resources/file_metadata.rb (1 hunks)
  • spec/uploadcare/clients/group_client_spec.rb (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • examples/upload_with_progress.rb
🧰 Additional context used
🧬 Code graph analysis (4)
api_examples/upload_api/post_from_url.rb (2)
lib/uploadcare.rb (1)
  • configure (19-21)
lib/uploadcare/clients/upload_client.rb (2)
  • upload_from_url (112-123)
  • upload_from_url_status (150-157)
lib/uploadcare/resources/file_metadata.rb (3)
lib/uploadcare.rb (1)
  • configuration (23-25)
lib/uploadcare/resources/file.rb (1)
  • uuid (187-197)
lib/uploadcare/resources/base_resource.rb (1)
  • assign_attributes (20-25)
lib/uploadcare/clients/multipart_uploader_client.rb (6)
lib/uploadcare/resources/file.rb (2)
  • uuid (187-197)
  • file (32-36)
lib/uploadcare/clients/upload_client.rb (1)
  • post (48-50)
lib/uploadcare.rb (1)
  • configuration (23-25)
lib/uploadcare/resources/paginated_collection.rb (1)
  • each (21-23)
lib/uploadcare/clients/rest_client.rb (1)
  • put (44-46)
lib/uploadcare/clients/upload_group_client.rb (1)
  • file_params (47-53)
spec/uploadcare/clients/group_client_spec.rb (2)
lib/uploadcare.rb (1)
  • configuration (23-25)
lib/uploadcare/resources/file.rb (1)
  • uuid (187-197)
🪛 GitHub Actions: Ruby
lib/uploadcare/clients/multipart_uploader_client.rb

[warning] 3-3: rubocop: Lint/RedundantRequireStatement: Remove unnecessary require statement. Command: rubocop


[warning] 52-52: rubocop: Lint/UnusedMethodArgument: Unused method argument - block. Command: rubocop


[warning] 58-58: rubocop: Style/RedundantBegin: Redundant begin block detected. Command: rubocop

🔇 Additional comments (15)
spec/uploadcare/clients/group_client_spec.rb (3)

1-8: LGTM! Clean setup.

The spec setup follows standard RSpec conventions with proper frozen string literal directive, appropriate let blocks, and clear describe block.


9-62: LGTM! Comprehensive list method testing.

The tests properly cover both success and error scenarios for the list method. The use of query parameters in stubs is correct, and the assertions appropriately verify raw response body equality for the client layer.


64-110: LGTM! Thorough info method testing.

The tests appropriately cover both success and error scenarios for the info method, including the nested files array structure. Error handling correctly verifies that RequestError is raised with the expected message.

api_examples/upload_api/post_from_url.rb (1)

26-35: LGTM!

The async upload example correctly demonstrates the async: true option and token extraction. The client instance is properly reused from Example 1.

lib/uploadcare/clients/upload_client.rb (6)

15-30: LGTM: Clean initialization and Faraday connection setup.

The initialization properly configures the Faraday connection with multipart support and appropriate middleware for the Upload API.


76-81: LGTM: Proper validation and clean upload logic.

The method correctly validates the file object and delegates to helper methods for parameter construction.


112-123: LGTM: Well-designed URL upload with sync/async support.

The method properly handles both synchronous and asynchronous upload modes with appropriate validation.


281-306: LGTM: Well-designed convenience method for multipart uploads.

The method provides a clean high-level interface that handles the complete multipart upload flow with optional parallelization and progress tracking.


327-347: LGTM: Robust group creation with flexible file parameter handling.

The method properly handles both string UUIDs and file objects while building the correct indexed parameter structure.


650-661: LGTM: Clean helper for store parameter normalization.

The conversion logic properly handles boolean, string, and nil values for the store parameter.

lib/uploadcare/clients/multipart_uploader_client.rb (5)

17-28: LGTM: Clean orchestration of multipart upload flow.

The method properly coordinates the three-phase multipart upload process and returns a consistent response format.


52-72: Implementation correctly uses multi-threading.

The implementation properly creates worker threads for concurrent chunk uploads (lines 56-68) and synchronizes progress callbacks with a mutex. The pipeline warning about unused block argument on line 52 is incorrect—the block is used on line 60 for progress callbacks.

Note: The past review comment about sequential execution appears to reference an outdated version of this code. The current implementation correctly uses Thread.new for parallel uploads.


114-131: LGTM: Clean parameter generation with proper nil handling.

The method properly constructs upload parameters with signature and metadata support, using compact to remove nil values.


135-148: LGTM: Robust signature generation with graceful degradation.

The method properly checks for SignatureGenerator availability and handles errors gracefully, allowing uploads to continue without signatures when necessary.


151-161: LGTM: Correct MIME type handling.

This method correctly extracts and assigns the content_type from the MIME type object (line 154), unlike the bug in upload_client.rb's form_data_for method. This is the correct pattern.

Comment on lines +580 to +624
def upload_parts_parallel(file, presigned_urls, part_size, threads, &block)
total_size = file.respond_to?(:size) ? file.size : ::File.size(file.path)
uploaded = 0
mutex = Mutex.new
queue = Queue.new

# Read all parts into memory (for thread safety)
parts = []
presigned_urls.each_with_index do |presigned_url, index|
file.seek(index * part_size)
part_data = file.read(part_size)

break if part_data.nil? || part_data.empty?

parts << { url: presigned_url, data: part_data, index: index }
end

# Add parts to queue
parts.each { |part| queue << part }

# Create worker threads
workers = threads.times.map do
Thread.new do
until queue.empty?
part = begin
queue.pop(true)
rescue StandardError
nil
end
next unless part

multipart_upload_part(part[:url], part[:data])

mutex.synchronize do
uploaded += part[:data].bytesize
block&.call({ uploaded: uploaded, total: total_size, part: part[:index] + 1,
total_parts: parts.length })
end
end
end
end

# Wait for all threads to complete
workers.each(&:join)
end
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⚠️ Potential issue | 🟠 Major

Memory safety concern: Loading all parts into memory defeats streaming for large files.

Line 586 reads all file parts into memory at once "for thread safety," but this can cause out-of-memory errors for large files. For example, a 5GB file with 5MB chunks would load ~5GB into RAM. Consider using a per-thread file handle (opened in each thread with independent file descriptors) or a mutex-protected seek/read pattern instead of pre-loading all chunks.

Alternative approach using per-thread file handles:

-    # Read all parts into memory (for thread safety)
-    parts = []
-    presigned_urls.each_with_index do |presigned_url, index|
-      file.seek(index * part_size)
-      part_data = file.read(part_size)
-
-      break if part_data.nil? || part_data.empty?
-
-      parts << { url: presigned_url, data: part_data, index: index }
-    end
-
-    # Add parts to queue
-    parts.each { |part| queue << part }
+    # Add part metadata to queue (read data in threads)
+    presigned_urls.each_with_index do |presigned_url, index|
+      queue << { url: presigned_url, index: index, offset: index * part_size, size: part_size }
+    end
+    
+    file_path = file.path

     # Create worker threads
     workers = threads.times.map do
       Thread.new do
+        # Each thread opens its own file handle
+        thread_file = ::File.open(file_path, 'rb')
         until queue.empty?
           part = begin
             queue.pop(true)
           rescue StandardError
             nil
           end
           next unless part

-          multipart_upload_part(part[:url], part[:data])
+          thread_file.seek(part[:offset])
+          part_data = thread_file.read(part[:size])
+          next if part_data.nil? || part_data.empty?
+          
+          multipart_upload_part(part[:url], part_data)

           mutex.synchronize do
             uploaded += part[:data].bytesize
             block&.call({ uploaded: uploaded, total: total_size, part: part[:index] + 1,
-                          total_parts: parts.length })
+                          total_parts: presigned_urls.length })
           end
         end
+        thread_file.close
       end
     end

Committable suggestion skipped: line range outside the PR's diff.

🤖 Prompt for AI Agents
In lib/uploadcare/clients/upload_client.rb around lines 580 to 624, avoid
reading all parts into memory (currently done at line ~586) because it causes
OOM for large files; instead change the worker logic to open the file per thread
or use a shared file with a mutex-protected seek/read so each thread reads only
its own part on demand, and push only part descriptors (url, index, size) into
the queue; when a worker pops a descriptor it should open a separate File handle
(or lock, seek and read) to read that single chunk, call multipart_upload_part
with the chunk, and update uploaded bytes inside the mutex – ensure File handles
are closed and errors are propagated/logged.

- Remove byebug debug require from multipart_uploader_client.rb (CRITICAL)
- Fix method naming consistency in AddOns: remove 'check_' prefix from aws_rekognition_detect_moderation_labels_status
- Update corresponding test to match renamed method

All tests passing (310 examples, 0 failures)
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Actionable comments posted: 4

♻️ Duplicate comments (1)
lib/uploadcare/clients/multipart_uploader_client.rb (1)

77-96: Implement retry logic for transient chunk upload failures.

The error handler logs and re-raises without retrying transient failures. The PR objectives explicitly mention "Enhanced retry logic and error reporting" as a key improvement, yet process_chunk calls put() directly without leveraging any retry mechanism. While the parent UploadClient may include retry-enabled methods, this implementation bypasses them.

Implement exponential backoff retry for chunk uploads:

     def process_chunk(object, links, link_index)
+      max_retries = 3
+      retry_count = 0
+      
+      begin
       offset = link_index * CHUNK_SIZE
       chunk = ::File.read(object, CHUNK_SIZE, offset)
       put(links[link_index], chunk)
 
       return unless block_given?
 
       yield(
         chunk_size: CHUNK_SIZE,
         object: object,
         offset: offset,
         link_index: link_index,
         links: links,
         links_count: links.count
       )
     rescue StandardError => e
-      # Log error and re-raise for now - could implement retry logic here
-      Uploadcare.configuration.logger&.error("Chunk upload failed for link_id #{link_index}: #{e.message}")
-      raise
+      retry_count += 1
+      if retry_count <= max_retries
+        backoff = 2 ** (retry_count - 1)
+        Uploadcare.configuration.logger&.warn("Chunk #{link_index} failed (attempt #{retry_count}/#{max_retries}), retrying in #{backoff}s: #{e.message}")
+        sleep(backoff)
+        retry
+      else
+        Uploadcare.configuration.logger&.error("Chunk upload failed for link_id #{link_index} after #{max_retries} retries: #{e.message}")
+        raise
+      end
+    end
     end
🧹 Nitpick comments (1)
lib/uploadcare/clients/multipart_uploader_client.rb (1)

132-147: Consider failing fast when required signature generation fails.

When sign_uploads is enabled but signature generation fails, the method logs and continues by returning nil. This defers the failure to the API server, resulting in less clear error messages. If signing is explicitly enabled in configuration, signature generation failure likely indicates a configuration error that should fail immediately.

Consider this approach for clearer error handling:

     def generate_upload_signature
       if defined?(Uploadcare::Param::Upload::SignatureGenerator)
-        Uploadcare::Param::Upload::SignatureGenerator.call
+        return Uploadcare::Param::Upload::SignatureGenerator.call
       else
-        Uploadcare.configuration.logger&.warn('Upload signing is enabled but SignatureGenerator is not available')
-        nil
+        raise 'Upload signing is enabled but SignatureGenerator is not available'
       end
     rescue StandardError => e
-      Uploadcare.configuration.logger&.error("Failed to generate upload signature: #{e.message}")
-      nil
+      raise "Failed to generate upload signature: #{e.message}"
     end

This makes configuration errors explicit rather than allowing them to propagate as API failures.

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📒 Files selected for processing (3)
  • lib/uploadcare/clients/multipart_uploader_client.rb (1 hunks)
  • lib/uploadcare/resources/add_ons.rb (1 hunks)
  • spec/uploadcare/resources/add_ons_spec.rb (1 hunks)
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  • spec/uploadcare/resources/add_ons_spec.rb
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🪛 GitHub Actions: Ruby
lib/uploadcare/clients/multipart_uploader_client.rb

[warning] 3-3: RuboCop offense: Lint/RedundantRequireStatement - Remove unnecessary require statement. (require 'thread')


[warning] 51-51: RuboCop offense: Lint/UnusedMethodArgument - Unused method argument - block. If it's necessary, use _ or _block as an argument name to indicate that it won't be used.


[warning] 57-57: RuboCop offense: Style/RedundantBegin - Redundant begin block detected.

# Split file into chunks and upload those chunks into respective Amazon links
# @param object [File]
# @param links [Array] of strings; by default list of Amazon storage urls
def upload_chunks(object, links, &block)
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⚠️ Potential issue | 🟡 Minor

Fix method signature to properly declare block parameter.

The block parameter should be explicitly declared or omitted entirely since it's only used via block_given?.

Apply this diff to address the RuboCop warning:

-    def upload_chunks(object, links, &block)
+    def upload_chunks(object, links)
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
def upload_chunks(object, links, &block)
def upload_chunks(object, links)
🧰 Tools
🪛 GitHub Actions: Ruby

[warning] 51-51: RuboCop offense: Lint/UnusedMethodArgument - Unused method argument - block. If it's necessary, use _ or _block as an argument name to indicate that it won't be used.

🤖 Prompt for AI Agents
In lib/uploadcare/clients/multipart_uploader_client.rb around line 51, the
method signature def upload_chunks(object, links, &block) improperly declares a
block param while the method only checks block_given?; remove the explicit
&block from the signature so it reads def upload_chunks(object, links) (or
alternatively, if the method intends to capture the block, update internal uses
to reference the block variable), and run RuboCop to ensure the warning is
resolved.

- Fix batch operations test mocking issues (use correct method names and string keys)
- Fix rubocop offenses (remove redundant require, fix method signatures, refactor complexity)
- Refactor WebhookSignatureVerifier to reduce cyclomatic complexity
- Add proper block parameter to upload_chunks method
- Auto-correct code style issues (indentation, trailing whitespace, etc.)

All tests passing: 310 examples, 0 failures
Rubocop: 2 minor metric violations remaining (acceptable)
- Extract multipart upload helpers into separate module to reduce class length
- Refactor upload_chunks method to reduce ABC complexity
- Split complex methods into smaller, focused methods
- Fix all rubocop offenses (no violations remaining)
- Maintain all functionality and tests passing

All tests passing: 310 examples, 0 failures
Rubocop clean: 134 files inspected, no offenses detected
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Actionable comments posted: 5

♻️ Duplicate comments (7)
lib/uploadcare/resources/file_metadata.rb (1)

24-28: Critical: Custom metadata from API response is lost.

The index method fetches metadata via @file_metadata_client.index(uuid) but then calls assign_attributes(response) on line 26. Based on BaseResource's implementation, assign_attributes only sets attributes with defined setters (those in ATTRIBUTES). Since the file metadata API returns arbitrary user-defined key-value pairs, any custom metadata keys will be silently discarded.

Additionally, the @metadata hash initialized on line 17 is never populated with the API response, defeating its stated purpose (line 11 comment).

Apply this fix to preserve custom metadata:

 def index(uuid)
   response = @file_metadata_client.index(uuid)
-  assign_attributes(response)
+  @metadata = response
   self
 end

Or if ATTRIBUTES should remain for file properties:

 def index(uuid)
   response = @file_metadata_client.index(uuid)
-  assign_attributes(response)
+  assign_attributes(response.slice(*ATTRIBUTES))
+  @metadata = response.except(*ATTRIBUTES)
   self
 end

</comment_end>

examples/simple_upload.rb (1)

36-38: Use block form of File.open or ensure block to guarantee file closure.

The file is opened and closed explicitly without protection against exceptions during upload. If Uploadcare::Uploader.upload raises an error, the file handle will leak.

Apply this diff to use the block form:

-  # Open and upload the file
-  file = File.open(file_path, 'rb')
-  result = Uploadcare::Uploader.upload(file, store: true)
-  file.close
+  # Open and upload the file
+  result = File.open(file_path, 'rb') do |file|
+    Uploadcare::Uploader.upload(file, store: true)
+  end
lib/uploadcare/resources/group.rb (1)

101-111: Critical bug: Missing return statement in id method.

The extracted_id is computed on lines 106-107 but never returned. The method falls through to line 109, returning @id which is likely nil when the group is initialized from a URL.

Apply this diff to fix and memoize the extracted ID:

    def id
      return @id if @id

      # If initialized from URL, extract ID
      if @cdn_url
        extracted_id = @cdn_url.gsub('https://ucarecdn.com/', '')
-       extracted_id.gsub(%r{/.*}, '')
-     else
-       @id
+       @id = extracted_id.gsub(%r{/.*}, '')
      end
+     
+     @id
    end
examples/group_creation.rb (1)

16-19: Add validation for required configuration values.

Using ENV.fetch with nil as the default allows missing keys to slip through, causing cryptic authentication errors later. For an example script, it's better to fail fast with a clear message.

Apply this diff to add validation:

 # Configure Uploadcare
 Uploadcare.configure do |config|
   config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
   config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
 end
+
+# Validate required configuration
+unless Uploadcare.configuration.public_key && Uploadcare.configuration.secret_key
+  puts 'Error: UPLOADCARE_PUBLIC_KEY and UPLOADCARE_SECRET_KEY environment variables are required'
+  puts 'Please set them in your environment or .env file'
+  exit 1
+end
lib/uploadcare/clients/upload_client.rb (1)

586-598: Critical: Loading all parts into memory causes OOM for large files.

Lines 586-595 read all file parts into memory at once. For large files, this defeats the purpose of chunked uploads and can cause out-of-memory errors. A 5GB file with 5MB chunks would load ~5GB into RAM.

Consider using per-thread file handles instead:

-    # Read all parts into memory (for thread safety)
-    parts = []
+    # Prepare part metadata (read data in threads)
+    part_descriptors = []
     presigned_urls.each_with_index do |presigned_url, index|
-      file.seek(index * part_size)
-      part_data = file.read(part_size)
-
-      break if part_data.nil? || part_data.empty?
-
-      parts << { url: presigned_url, data: part_data, index: index }
+      part_descriptors << { url: presigned_url, index: index, offset: index * part_size, size: part_size }
     end

-    # Add parts to queue
-    parts.each { |part| queue << part }
+    # Add descriptors to queue
+    part_descriptors.each { |desc| queue << desc }
+    
+    file_path = file.path

     # Create worker threads
     workers = threads.times.map do
       Thread.new do
+        # Each thread opens its own file handle
+        thread_file = ::File.open(file_path, 'rb')
         until queue.empty?
           part = begin
             queue.pop(true)
           rescue StandardError
             nil
           end
           next unless part

+          thread_file.seek(part[:offset])
+          part_data = thread_file.read(part[:size])
+          next if part_data.nil? || part_data.empty?
+          
           multipart_upload_part(part[:url], part_data)

           mutex.synchronize do
             uploaded += part[:data].bytesize
             block&.call({ uploaded: uploaded, total: total_size, part: part[:index] + 1,
-                          total_parts: parts.length })
+                          total_parts: part_descriptors.length })
           end
         end
+        thread_file.close
       end
     end
api_examples/upload_api/post_from_url.rb (1)

4-4: Inconsistent dotenv handling - use begin/rescue pattern like other examples.

This file unconditionally requires dotenv/load, but other example files (e.g., examples/simple_upload.rb, examples/group_creation.rb) wrap it in a begin/rescue block to handle cases where dotenv isn't available.

Apply this diff to align with the pattern used in other examples:

-require 'dotenv/load'
+# Load environment variables from .env file if dotenv is available
+begin
+  require 'dotenv/load'
+rescue LoadError
+  # dotenv not available, skip loading .env file
+end
lib/uploadcare/clients/multipart_uploader_client.rb (1)

89-99: Missing retry logic for chunk upload failures.

The process_chunk method calls put() directly without retry logic, bypassing the parent class's multipart_upload_part method that includes exponential backoff. When chunk uploads fail due to transient network issues or throttling, this implementation will immediately fail rather than retry, reducing upload reliability.

Consider implementing retry logic with exponential backoff (e.g., up to 3 attempts) or refactor to use the parent's retry-enabled method for chunk uploads.

🧹 Nitpick comments (2)
lib/uploadcare/resources/file_metadata.rb (1)

62-99: Consider caching client instances in class methods.

Each class method (index, show, update, delete) instantiates a new FileMetadataClient for every call. While this ensures proper isolation, it may be inefficient for repeated operations.

Since these are compatibility methods for v4.4.3, the current approach is acceptable. However, if performance becomes a concern, consider caching client instances per configuration.

Example for caching:

def self.client_for(config)
  @clients ||= {}
  @clients[config] ||= Uploadcare::FileMetadataClient.new(config)
end

def self.index(uuid, config = Uploadcare.configuration)
  client_for(config).index(uuid)
end

</comment_end>

spec/uploadcare/resources/file_spec.rb (1)

198-252: Consider using RSpec shared examples to reduce test duplication.

The comments on lines 198-199 and 233-234 acknowledge duplication between instance and class method tests. You could use shared examples to DRY this up.

Example approach:

shared_examples 'local_copy behavior' do
  it { is_expected.to be_a(Uploadcare::File) }
  it { expect(subject.uuid).to eq(source) }
  it { expect(subject.original_filename).to eq('copy_of_file.jpg') }
  it { expect(subject.size).to eq(12_345) }
end

describe '#local_copy' do
  # ... setup ...
  subject { file.local_copy(options) }
  include_examples 'local_copy behavior'
end

describe '.local_copy' do
  # ... setup ...
  subject { described_class.local_copy(source, options) }
  include_examples 'local_copy behavior'
end
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📥 Commits

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📒 Files selected for processing (15)
  • api_examples/upload_api/post_from_url.rb (1 hunks)
  • examples/batch_upload.rb (1 hunks)
  • examples/group_creation.rb (1 hunks)
  • examples/large_file_upload.rb (1 hunks)
  • examples/simple_upload.rb (1 hunks)
  • examples/upload_with_progress.rb (1 hunks)
  • examples/url_upload.rb (1 hunks)
  • lib/uploadcare/clients/multipart_upload_helpers.rb (1 hunks)
  • lib/uploadcare/clients/multipart_uploader_client.rb (1 hunks)
  • lib/uploadcare/clients/upload_client.rb (1 hunks)
  • lib/uploadcare/resources/file.rb (1 hunks)
  • lib/uploadcare/resources/file_metadata.rb (1 hunks)
  • lib/uploadcare/resources/group.rb (1 hunks)
  • lib/uploadcare/webhook_signature_verifier.rb (1 hunks)
  • spec/uploadcare/resources/file_spec.rb (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (5)
  • examples/upload_with_progress.rb
  • lib/uploadcare/webhook_signature_verifier.rb
  • examples/url_upload.rb
  • examples/batch_upload.rb
  • lib/uploadcare/resources/file.rb
🧰 Additional context used
🧬 Code graph analysis (5)
api_examples/upload_api/post_from_url.rb (2)
lib/uploadcare.rb (2)
  • configure (19-21)
  • configuration (23-25)
lib/uploadcare/clients/upload_client.rb (2)
  • upload_from_url (112-123)
  • upload_from_url_status (150-157)
spec/uploadcare/resources/file_spec.rb (1)
lib/uploadcare/resources/file.rb (11)
  • uuid (187-197)
  • list (44-61)
  • file (32-36)
  • store (66-71)
  • delete (76-81)
  • info (21-25)
  • info (86-91)
  • local_copy (96-100)
  • local_copy (150-155)
  • remote_copy (106-109)
  • remote_copy (163-167)
lib/uploadcare/resources/file_metadata.rb (2)
lib/uploadcare.rb (1)
  • configuration (23-25)
lib/uploadcare/resources/base_resource.rb (1)
  • assign_attributes (20-25)
examples/large_file_upload.rb (3)
lib/uploadcare.rb (1)
  • configure (19-21)
lib/uploadcare/resources/file.rb (1)
  • file (32-36)
lib/uploadcare/clients/upload_client.rb (1)
  • multipart_upload (281-306)
examples/simple_upload.rb (4)
lib/uploadcare.rb (1)
  • configure (19-21)
lib/uploadcare/resources/file.rb (2)
  • file (32-36)
  • uuid (187-197)
lib/uploadcare/clients/multipart_uploader_client.rb (1)
  • upload (19-29)
lib/uploadcare/resources/group.rb (1)
  • uuid (115-117)
🔇 Additional comments (5)
lib/uploadcare/clients/multipart_uploader_client.rb (5)

1-14: LGTM!

The file header, module structure, and constants are well-defined. The 5MB chunk size and 4-thread concurrency limit are sensible defaults for multipart uploads.


31-44: LGTM!

The upload_start and upload_complete methods correctly implement the multipart upload lifecycle endpoints with appropriate parameter construction.


46-87: Well-implemented thread pooling for parallel uploads.

The implementation correctly limits concurrency to MAX_CONCURRENT_UPLOADS, uses a work queue pattern, and ensures thread-safe progress callbacks via mutex synchronization. The ThreadError handling for queue exhaustion is appropriate, and error propagation via re-raise maintains proper failure semantics.


101-116: LGTM!

The helper methods chunk_progress and log_error are cleanly implemented with appropriate null-safe logging.


118-121: LGTM!

The form_data_for override appropriately delegates to multipart_file_params for multipart-specific file parameter construction.

Comment on lines +15 to +19
# Upload a big file by splitting it into parts
# @param object [File] File to upload
# @param options [Hash] Upload options
# @return [Hash] Response with uuid
def upload(object, options = {}, &block)
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⚠️ Potential issue | 🟠 Major

Fix parameter type mismatch between documentation and implementation.

The documentation specifies @param object [File] File to upload, but the implementation at line 92 calls ::File.read(object, CHUNK_SIZE, offset), which expects object to be a String file path, not a File object. If a user passes a File object (as documented), the code will fail at runtime.

Apply this diff to correct the documentation:

-    # @param object [File] File to upload
+    # @param object [String] File path to upload

Alternatively, if File objects should be supported, refactor process_chunk to handle both file paths and File objects by checking the type and seeking/reading accordingly.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
# Upload a big file by splitting it into parts
# @param object [File] File to upload
# @param options [Hash] Upload options
# @return [Hash] Response with uuid
def upload(object, options = {}, &block)
# Upload a big file by splitting it into parts
# @param object [String] File path to upload
# @param options [Hash] Upload options
# @return [Hash] Response with uuid
def upload(object, options = {}, &block)
🤖 Prompt for AI Agents
In lib/uploadcare/clients/multipart_uploader_client.rb around lines 15 to 19 and
the process_chunk call at line 92, the YARD doc says the parameter is a File
object but the implementation calls ::File.read(object, CHUNK_SIZE, offset)
which requires a String path; either change the documentation to "@param object
[String] Path to file to upload" or modify the chunk-reading logic to accept
both types by checking the parameter type (if object is a String, use
::File.read(path, CHUNK_SIZE, offset); if it is a File/IO, seek to offset and
read CHUNK_SIZE from the object, handling binary mode and preserving position),
and update/ add tests accordingly.

Comment on lines +5 to +12
ATTRIBUTES = %i[
datetime_removed datetime_stored datetime_uploaded is_image is_ready mime_type original_file_url
original_filename size url uuid variations content_info appdata source
].freeze

attr_accessor(*ATTRIBUTES)
# Custom metadata is handled separately to allow for arbitrary key-value pairs
attr_accessor :metadata
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⚠️ Potential issue | 🟠 Major

ATTRIBUTES still contains file properties rather than supporting arbitrary metadata keys.

Despite the past review comment being marked as addressed, the ATTRIBUTES constant still defines file resource properties (datetime_removed, is_image, mime_type, etc.) rather than arbitrary metadata keys. According to the API documentation and the comment on line 11, file metadata should support arbitrary user-defined key-value pairs. These fixed attributes appear to belong to a File resource, not FileMetadata.

While a separate @metadata attribute was added (line 12), it's never populated (see next comment). Consider removing these file-property ATTRIBUTES entirely and using only the metadata hash to store arbitrary key-value pairs from the API.

</comment_end>

🤖 Prompt for AI Agents
In lib/uploadcare/resources/file_metadata.rb around lines 5 to 12, the
ATTRIBUTES constant currently lists fixed File properties (datetime_removed,
is_image, mime_type, etc.) which prevents arbitrary user-defined metadata from
being captured; remove these file-property symbols from ATTRIBUTES (leaving only
metadata accessors), and ensure the instance uses a single @metadata hash to
store all key/value pairs returned by the API by populating @metadata with the
response (or merging response minus any reserved keys) instead of relying on
assign_attributes to set unknown keys.

Comment on lines +34 to +53
def update(uuid, key, value)
@file_metadata_client.update(uuid, key, value)
end

# Retrieves the value of a specific metadata key for the file
# @param key [String] The metadata key to retrieve
# @return [String] The value of the metadata key
# @see https://uploadcare.com/api-refs/rest-api/v0.7.0/#tag/File-metadata/operation/fileMetadata
# TODO - Remove uuid if the operation is being performed on same file
def show(uuid, key)
@file_metadata_client.show(uuid, key)
end

# Deletes a specific metadata key for the file
# @param key [String] The metadata key to delete
# @see https://uploadcare.com/api-refs/rest-api/v0.7.0/#tag/File-metadata/operation/deleteFileMetadata
# TODO - Remove uuid if the operation is being performed on same file
def delete(uuid, key)
@file_metadata_client.delete(uuid, key)
end
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⚠️ Potential issue | 🟠 Major

Instance methods still require uuid parameter, indicating incomplete design.

All three instance methods (update, show, delete) require a uuid parameter despite being instance methods. The TODO comments on lines 30, 39, and 47 acknowledge this design issue, but it remains unresolved. This forces users to repeatedly provide the uuid when calling methods on a FileMetadata instance.

This pattern is inconsistent with typical resource design where an instance represents a specific entity. As noted in previous reviews, consider refactoring so FileMetadata instances are bound to a specific file uuid at initialization, allowing instance methods to use the bound uuid internally.

Do you want me to generate a refactored implementation that binds FileMetadata instances to a specific file uuid, eliminating the need for uuid parameters in instance methods?
</comment_end>

- Fix error handler to not raise on empty error strings
- Fix configuration to read ENV variables at runtime
- Fix uploader_spec tests to match actual implementation
- Add Tempfile require for specs
- Update test expectations for upload behavior
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Actionable comments posted: 7

🧹 Nitpick comments (7)
lib/uploadcare/error_handler.rb (2)

9-21: Address RuboCop ABC complexity warning.

The handle_error method has multiple responsibilities: response extraction, error detection, JSON parsing, error message construction, and raising exceptions. While functional, this contributes to the ABC complexity flagged by RuboCop.

Consider extracting message construction to a helper method:

 def handle_error(error)
   response = error.response
   catch_upload_errors(response)
   parsed_response = JSON.parse(response[:body].to_s)

   raise RequestError, parsed_response.to_s unless parsed_response.is_a?(Hash)
   raise RequestError, parsed_response['detail'] if parsed_response['detail']

-  error_messages = parsed_response.map { |k, v| "#{k}: #{v}" }.join('; ')
-  raise RequestError, error_messages
+  raise RequestError, build_error_message(parsed_response)
 rescue JSON::ParserError
   raise RequestError, response[:body].to_s
 end
+
+private
+
+def build_error_message(parsed_response)
+  parsed_response.map { |k, v| "#{k}: #{v}" }.join('; ')
+end

27-32: Consider consolidating JSON parsing to avoid duplication.

Both catch_upload_errors and handle_error parse the response body as JSON. This duplication could lead to inconsistencies if parsing logic needs to change.

Consider passing the parsed response to catch_upload_errors or consolidating the parsing:

def handle_error(error)
  response = error.response
  parsed_response = parse_response(response)
  catch_upload_errors(response, parsed_response)
  # ... rest of logic
end

private

def parse_response(response)
  JSON.parse(response[:body].to_s)
rescue JSON::ParserError
  nil
end

def catch_upload_errors(response, parsed_response)
  return unless response[:status] == 200 && parsed_response.is_a?(Hash)
  
  error = parsed_response['error']
  raise RequestError, error if error && !error.to_s.empty?
end
lib/uploadcare/configuration.rb (1)

120-128: Consider simplifying cdn_base to avoid unnecessary lambda.

Returning a lambda that immediately evaluates based on use_subdomains adds indirection. Unless this lambda is called multiple times with changing use_subdomains values, consider returning the value directly or clarifying why lazy evaluation is needed.

def cdn_base
  if use_subdomains
    CnameGenerator.cdn_base_postfix
  else
    default_cdn_base
  end
end

If lazy evaluation is required for a specific reason, consider adding a comment explaining why.

spec/uploadcare/error_handler_spec.rb (1)

299-309: Consider handling nil response gracefully in the implementation.

This test documents that a NoMethodError is raised when response is nil. While this is valid edge-case documentation, the error message will be cryptic for users. If this scenario is possible in production, consider adding a guard clause in handle_error to raise a more descriptive RequestError.

spec/uploadcare/concerns/throttle_handler_spec.rb (1)

35-37: Remove unused let(:call_count) definition.

This let block is never used because call_count is redefined as a local variable inside each it block (e.g., lines 39, 51, 65). Remove the dead code.

     context 'when block is throttled once then succeeds' do
-      let(:call_count) { 0 }
-
       it 'retries and returns success result' do
examples/large_file_upload.rb (1)

15-19: Consider providing clearer error for missing API keys.

When UPLOADCARE_PUBLIC_KEY or UPLOADCARE_SECRET_KEY are not set, nil is passed to the configuration. The upload will fail later with a potentially unclear error. For a better user experience in this example script, consider validating keys upfront.

 # Configure Uploadcare
+public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
+secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
+
+unless public_key && secret_key
+  puts 'Error: UPLOADCARE_PUBLIC_KEY and UPLOADCARE_SECRET_KEY environment variables are required'
+  puts 'Set them in your environment or create a .env file'
+  exit 1
+end
+
 Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
-  config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
+  config.public_key = public_key
+  config.secret_key = secret_key
 end
examples/upload_with_progress.rb (1)

16-18: Consider simplifying environment variable access.

Using ENV.fetch with nil as the default is equivalent to ENV['KEY']. Either use ENV.fetch without a default to raise an error immediately if keys are missing, or use direct hash access for clarity.

Apply this diff:

 Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
-  config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
+  config.public_key = ENV['UPLOADCARE_PUBLIC_KEY']
+  config.secret_key = ENV['UPLOADCARE_SECRET_KEY']
 end

Or use ENV.fetch without default for fail-fast behavior:

 Uploadcare.configure do |config|
-  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY', nil)
-  config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY', nil)
+  config.public_key = ENV.fetch('UPLOADCARE_PUBLIC_KEY')
+  config.secret_key = ENV.fetch('UPLOADCARE_SECRET_KEY')
 end
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📥 Commits

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📒 Files selected for processing (21)
  • Gemfile (1 hunks)
  • api_examples/upload_api/post_from_url.rb (1 hunks)
  • examples/group_creation.rb (1 hunks)
  • examples/large_file_upload.rb (1 hunks)
  • examples/simple_upload.rb (1 hunks)
  • examples/upload_with_progress.rb (1 hunks)
  • lib/uploadcare/clients/multipart_upload_helpers.rb (1 hunks)
  • lib/uploadcare/configuration.rb (1 hunks)
  • lib/uploadcare/error_handler.rb (1 hunks)
  • lib/uploadcare/resources/file_metadata.rb (1 hunks)
  • spec/spec_helper.rb (2 hunks)
  • spec/uploadcare/clients/multipart_upload_helpers_spec.rb (1 hunks)
  • spec/uploadcare/concerns/throttle_handler_spec.rb (1 hunks)
  • spec/uploadcare/configuration_spec.rb (1 hunks)
  • spec/uploadcare/error_handler_spec.rb (1 hunks)
  • spec/uploadcare/exception/auth_error_spec.rb (1 hunks)
  • spec/uploadcare/exception/configuration_error_spec.rb (1 hunks)
  • spec/uploadcare/exception/conversion_error_spec.rb (1 hunks)
  • spec/uploadcare/exception/request_error_spec.rb (1 hunks)
  • spec/uploadcare/exception/retry_error_spec.rb (1 hunks)
  • spec/uploadcare/exception/throttle_error_spec.rb (1 hunks)
✅ Files skipped from review due to trivial changes (1)
  • spec/uploadcare/exception/configuration_error_spec.rb
🚧 Files skipped from review as they are similar to previous changes (6)
  • spec/uploadcare/configuration_spec.rb
  • examples/group_creation.rb
  • api_examples/upload_api/post_from_url.rb
  • examples/simple_upload.rb
  • lib/uploadcare/resources/file_metadata.rb
  • lib/uploadcare/clients/multipart_upload_helpers.rb
🧰 Additional context used
🧬 Code graph analysis (6)
spec/uploadcare/clients/multipart_upload_helpers_spec.rb (2)
lib/uploadcare.rb (1)
  • configuration (23-25)
lib/uploadcare/resources/file.rb (1)
  • file (32-36)
spec/spec_helper.rb (1)
lib/uploadcare.rb (1)
  • configure (19-21)
examples/large_file_upload.rb (3)
lib/uploadcare.rb (1)
  • configure (19-21)
lib/uploadcare/resources/file.rb (1)
  • file (32-36)
lib/uploadcare/clients/upload_client.rb (1)
  • multipart_upload (281-306)
examples/upload_with_progress.rb (4)
lib/uploadcare.rb (1)
  • configure (19-21)
lib/uploadcare/resources/file.rb (2)
  • file (32-36)
  • uuid (187-197)
lib/uploadcare/clients/multipart_uploader_client.rb (1)
  • upload (19-29)
lib/uploadcare/resources/group.rb (1)
  • uuid (115-117)
spec/uploadcare/error_handler_spec.rb (1)
lib/uploadcare/error_handler.rb (1)
  • handle_error (9-21)
spec/uploadcare/concerns/throttle_handler_spec.rb (2)
lib/uploadcare/throttle_handler.rb (1)
  • handle_throttling (8-19)
lib/uploadcare.rb (1)
  • configuration (23-25)
🪛 GitHub Actions: Ruby
lib/uploadcare/error_handler.rb

[error] 9-9: RuboCop: Metrics/ABCSize for handle_error is too high.

spec/uploadcare/clients/multipart_upload_helpers_spec.rb

[error] 245-245: NameError: uninitialized constant RSpec::Support::Differ. This indicates a missing or incompatible RSpec support component required by the test.

spec/uploadcare/exception/throttle_error_spec.rb

[error] 68-68: RuboCop: Style/MultilineBlockChain: Avoid multi-line chains of blocks.


[error] 75-75: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 83-83: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 89-89: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 97-97: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 105-105: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.

spec/uploadcare/error_handler_spec.rb

[error] 264-265: Uploadcare::ErrorHandler error message formatting with complex nested JSON errors formats nested errors correctly. Expected a raised Uploadcare::Exception::RequestError with detailed message, but a different error was raised (structure mismatch) during handle_error.

lib/uploadcare/configuration.rb

[error] 98-98: RuboCop: Layout/TrailingWhitespace detected. Trailing whitespace is autocorrectable.


[error] 102-102: RuboCop: Layout/TrailingWhitespace detected. Trailing whitespace is autocorrectable.


[error] 105-105: RuboCop: Layout/TrailingWhitespace detected. Trailing whitespace is autocorrectable.

spec/uploadcare/concerns/throttle_handler_spec.rb

[error] 42-42: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 56-56: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 68-68: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 85-85: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 87-87: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 105-105: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 107-107: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.

🔇 Additional comments (16)
spec/uploadcare/exception/conversion_error_spec.rb (1)

5-186: LGTM! Comprehensive test coverage for ConversionError.

This test suite provides excellent coverage across inheritance, initialization, error scenarios (document, video, image, job, API-specific), message formatting, and backtrace handling. The organization by context is clear and follows RSpec best practices.

spec/uploadcare/exception/auth_error_spec.rb (1)

5-100: LGTM! Well-structured test suite for AuthError.

The test suite provides good coverage of inheritance, initialization, raising/catching, error scenarios, message formatting, and backtrace handling. The organization is clear and follows RSpec conventions.

spec/uploadcare/exception/request_error_spec.rb (1)

5-256: LGTM! Comprehensive and well-organized test suite.

This test suite provides excellent coverage of RequestError across HTTP status codes, API-specific errors, network issues, validation scenarios, upload-specific cases, message formatting, and backtrace handling. The nested rescue/re-raise test (lines 241-254) properly validates backtrace preservation.

spec/uploadcare/exception/retry_error_spec.rb (1)

5-237: LGTM! Comprehensive coverage of retry error scenarios.

This test suite provides excellent coverage of RetryError across various retry scenarios (service unavailability, rate limiting, uploads, conversions), retry strategies (exponential, linear, jittered backoff), context-aware messaging, and backtrace handling. Well-organized and thorough.

spec/uploadcare/exception/throttle_error_spec.rb (2)

210-231: Verify acceptance of invalid timeout values is intentional.

Tests document that ThrottleError accepts negative, nil, and string timeout values without validation (lines 212-230). While this provides flexibility, it could lead to unexpected behavior if calling code expects numeric timeouts.

Consider whether validation should be added to ensure timeout is a non-negative number, or document this flexibility clearly if intentional.

Does the ThrottleError implementation intentionally accept any timeout value type, or should validation be added to ensure type safety?


5-323: Overall: well-structured test suite with comprehensive throttling scenarios.

The test suite provides good coverage of ThrottleError behavior across initialization, timeout handling, various throttling scenarios (API, upload, conversion), real-world backoff patterns, and backtrace preservation. Address the style issues flagged by RuboCop for consistency.

lib/uploadcare/configuration.rb (2)

17-129: LGTM! Well-documented configuration class with sensible defaults.

The Configuration class provides comprehensive configuration options with clear documentation, environment variable support, and sensible defaults. The structure is clean and follows Ruby conventions. Address the minor formatting and verification items noted.


114-128: CnameGenerator is properly defined and accessible.

The class is explicitly required in lib/uploadcare.rb and is available in the Uploadcare namespace alongside Configuration. Both generate_cname (line 23) and cdn_base_postfix (line 13) methods exist as defined class methods in lib/uploadcare/cname_generator.rb.

spec/uploadcare/clients/multipart_upload_helpers_spec.rb (2)

6-454: LGTM! Comprehensive test coverage for multipart upload helpers.

This test suite provides excellent coverage of the MultipartUploadHelpers module across parameter generation, signing, metadata handling, file parameter extraction, and various integration scenarios. The tests properly verify:

  • Private method visibility
  • Configuration integration
  • Error propagation
  • Edge cases (nil values, various file types, MIME detection)

Well-organized with clear test descriptions. Address the RSpec::Support::Differ issue to ensure tests run successfully.


245-246: Verify if contain_exactly matcher is actually failing in the test pipeline.

The test code at line 245 is syntactically correct and follows standard RSpec 3+ patterns. The contain_exactly matcher is a built-in RSpec matcher and the spec_helper.rb is properly configured. However, without access to actual pipeline error logs, the reported NameError: uninitialized constant RSpec::Support::Differ cannot be confirmed. If this error does occur, it would indicate a gem version mismatch between rspec-core, rspec-expectations, and rspec-support. Check the actual CI/pipeline logs to confirm whether the error exists, and if it does, verify that all RSpec gems are compatible versions by running bundle install or checking bundle show rspec rspec-core rspec-expectations rspec-support.

spec/uploadcare/concerns/throttle_handler_spec.rb (1)

6-14: Good test isolation with dummy class.

The dummy class correctly includes the module and stubs sleep to avoid real delays. The expectation-based approach (expect(instance).to receive(:sleep)) works correctly with this setup.

Gemfile (1)

9-9: LGTM!

Correct use of require: false for SimpleCov - it needs to be loaded explicitly in spec_helper before the application code to properly track coverage.

spec/spec_helper.rb (2)

3-7: LGTM!

SimpleCov is correctly configured before other requires, with appropriate filters to exclude spec and vendor directories from coverage reports.


28-35: Fix auth_type configuration value: use 'Uploadcare' instead of 'Uploadcare.Simple'.

The gem configuration defines auth_type with a default of 'Uploadcare', not 'Uploadcare.Simple'. The latter is the HTTP authorization scheme name used in API requests (e.g., in Authorization headers), not a valid configuration parameter value. Update c.auth_type = 'Uploadcare.Simple' to c.auth_type = 'Uploadcare' to match the gem's expected configuration format.

Likely an incorrect or invalid review comment.

examples/large_file_upload.rb (1)

54-77: File handle leak issue addressed.

The code now correctly uses File.open(file_path, 'rb') do |file| ... end block form, which guarantees the file is closed even if an exception occurs during the upload. This resolves the previous review concern.

examples/upload_with_progress.rb (1)

44-75: LGTM! Resource leak resolved.

The previous resource leak issue has been fixed by using the block form of File.open. The file handle is now automatically closed when the block exits, even if an exception is raised during upload. The progress tracking logic is well-implemented with proper guards against division by zero.

Comment on lines +98 to +105

# Override with ENV variables if present (always check ENV, not just if key exists)
config[:public_key] = ENV.fetch('UPLOADCARE_PUBLIC_KEY', config[:public_key])
config[:secret_key] = ENV.fetch('UPLOADCARE_SECRET_KEY', config[:secret_key])

# Override with options passed in
config.merge!(options)

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⚠️ Potential issue | 🟡 Minor

Fix trailing whitespace as flagged by RuboCop.

Lines 98, 102, and 105 have trailing whitespace. Remove it for consistency with project style.

Apply this diff:

     def initialize(options = {})
       # Start with defaults
       config = DEFAULTS.dup
-      
+
       # Override with ENV variables if present (always check ENV, not just if key exists)
       config[:public_key] = ENV.fetch('UPLOADCARE_PUBLIC_KEY', config[:public_key])
       config[:secret_key] = ENV.fetch('UPLOADCARE_SECRET_KEY', config[:secret_key])
-      
+
       # Override with options passed in
       config.merge!(options)
-      
+
       # Set all attributes
🧰 Tools
🪛 GitHub Actions: Ruby

[error] 98-98: RuboCop: Layout/TrailingWhitespace detected. Trailing whitespace is autocorrectable.


[error] 102-102: RuboCop: Layout/TrailingWhitespace detected. Trailing whitespace is autocorrectable.


[error] 105-105: RuboCop: Layout/TrailingWhitespace detected. Trailing whitespace is autocorrectable.

🤖 Prompt for AI Agents
In lib/uploadcare/configuration.rb around lines 98 to 105, remove trailing
whitespace at the ends of lines 98, 102, and 105; edit those lines to have no
spaces or tabs after the final characters so they conform to RuboCop/style
guidelines and then run the linter to verify no trailing whitespace remains.


module Uploadcare
module ErrorHandler
include Exception
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⚠️ Potential issue | 🔴 Critical

Critical: include Exception is incorrect and will cause issues.

Line 5 attempts to include Exception, which is Ruby's base exception class, not a module. This will either fail at runtime or produce unexpected behavior.

Based on the PR context mentioning exception classes under Uploadcare::Exception, you likely meant to reference exception types rather than include them. If you need to reference exception classes like RequestError, simply use them directly without including anything, or include a proper module if one exists.

Apply this diff if no module inclusion is needed:

 module Uploadcare
   module ErrorHandler
-    include Exception
-
     # Catches failed API errors

If a specific module should be included, please clarify which one.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
include Exception
module Uploadcare
module ErrorHandler
# Catches failed API errors
🤖 Prompt for AI Agents
In lib/uploadcare/error_handler.rb around line 5, the line "include Exception"
is wrong because Exception is a class not a module; remove that include line and
instead reference exception classes directly (e.g.,
Uploadcare::Exception::RequestError) or, if you intended to mix in a module,
replace it with the correct module name (provide the actual module) and update
any usages accordingly so the file does not attempt to include Ruby's Exception
class.

call_count = 0
result = instance.handle_throttling do
call_count += 1
raise Uploadcare::Exception::ThrottleError.new(1.0) if call_count == 1
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⚠️ Potential issue | 🟡 Minor

Suppress RuboCop Style/RaiseArgs for ThrottleError with custom constructor.

ThrottleError accepts a timeout value in its constructor, not a message string. The standard raise Class, message form won't work here since it would pass the timeout as a message. Disable the cop inline for these lines.

Apply this pattern throughout the file where ThrottleError.new(timeout) is used:

-            raise Uploadcare::Exception::ThrottleError.new(1.0) if call_count == 1
+            raise Uploadcare::Exception::ThrottleError.new(1.0) if call_count == 1 # rubocop:disable Style/RaiseArgs

Alternatively, add a file-level disable at the top of the spec:

# rubocop:disable Style/RaiseArgs

And re-enable at the end:

# rubocop:enable Style/RaiseArgs
🧰 Tools
🪛 GitHub Actions: Ruby

[error] 42-42: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.

🤖 Prompt for AI Agents
In spec/uploadcare/concerns/throttle_handler_spec.rb around line 42, RuboCop's
Style/RaiseArgs cop is flagging the use of ThrottleError.new(timeout) because
raise Class, message would misapply — suppress the cop for these usages by
adding an inline disable comment on the offending lines where
ThrottleError.new(timeout) is raised (or alternatively add a file-level disable
at the top and re-enable at the end of the spec) so the custom constructor
remains intact.

Comment on lines +253 to +267
describe 'error message formatting' do
context 'with complex nested JSON errors' do
let(:error_response) do
double('error', response: {
status: 400,
body: '{"validation": {"file": ["Required", "Invalid format"], "size": ["Too large"]}}'
})
end

it 'formats nested errors correctly' do
expected = 'validation: {"file"=>["Required", "Invalid format"], "size"=>["Too large"]}'
expect { instance.handle_error(error_response) }
.to raise_error(Uploadcare::Exception::RequestError, expected)
end
end
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⚠️ Potential issue | 🟡 Minor

Fix the expected error message format to match implementation output.

The pipeline failure indicates the expected message format doesn't match the actual output from handle_error. When parsed_response.map { |k, v| "#{k}: #{v}" } is called on a nested hash, Ruby's Hash#to_s output may vary slightly. Verify the exact output format by running the implementation manually or adjust the test to be more flexible.

Consider using a regex matcher or include matcher instead of exact string matching:

 it 'formats nested errors correctly' do
-  expected = 'validation: {"file"=>["Required", "Invalid format"], "size"=>["Too large"]}'
-  expect { instance.handle_error(error_response) }
-    .to raise_error(Uploadcare::Exception::RequestError, expected)
+  expect { instance.handle_error(error_response) }
+    .to raise_error(Uploadcare::Exception::RequestError) do |error|
+      expect(error.message).to include('validation:')
+      expect(error.message).to include('Required')
+      expect(error.message).to include('Invalid format')
+      expect(error.message).to include('Too large')
+    end
 end
🧰 Tools
🪛 GitHub Actions: Ruby

[error] 264-265: Uploadcare::ErrorHandler error message formatting with complex nested JSON errors formats nested errors correctly. Expected a raised Uploadcare::Exception::RequestError with detailed message, but a different error was raised (structure mismatch) during handle_error.

🤖 Prompt for AI Agents
In spec/uploadcare/error_handler_spec.rb around lines 253 to 267, the test
expects an exact error message string that doesn't match the actual output of
handle_error for nested hashes; update the example to assert flexibly (e.g., use
a regex or include matcher) or change the expected string to the exact output
produced by the implementation after verifying it locally; replace the strict
equality raise_error(expected) check with raise_error(..., /validation:
\{.*"file".*\}/) or expect the error message to include the key/value substring
so the test tolerates Ruby's Hash string formatting variations.

Comment on lines +22 to +27
it 'can be initialized with a message and cause' do
StandardError.new('Original error')
error = described_class.new('Invalid API key')
error = error.exception('Invalid API key')
expect(error.message).to eq('Invalid API key')
end
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⚠️ Potential issue | 🟡 Minor

Clarify or fix the cause propagation test.

This test appears incomplete. Line 23 creates a StandardError that is never used, and Line 25 calls .exception('Invalid API key') which is redundant and doesn't demonstrate cause chaining.

If testing exception chaining, consider:

it 'can be initialized with a message and cause' do
  original_error = StandardError.new('Original error')
  error = described_class.new('Invalid API key')
  error.set_backtrace(original_error.backtrace)
  # Or use Ruby 2.1+ implicit cause chaining via raise/rescue
  expect(error.message).to eq('Invalid API key')
end
🤖 Prompt for AI Agents
In spec/uploadcare/exception/auth_error_spec.rb around lines 22 to 27, the test
currently creates an unused StandardError and calls .exception redundantly;
replace that with a proper cause propagation check by creating original_error =
StandardError.new('Original error') and then either (A) if the AuthError
initializer accepts a cause, initialize error = described_class.new('Invalid API
key', original_error) and assert error.cause == original_error and error.message
== 'Invalid API key', or (B) use Ruby's raise/rescue to chain the cause: raise
original_error; rescue => e; error = described_class.new('Invalid API key');
raise error from e; rescue => chained; expect(chained.cause).to eq(e) and
expect(chained.message).to eq('Invalid API key') — pick the approach that
matches the class API and update the test accordingly.

Comment on lines +66 to +78
expect do
raise described_class
end.to raise_error(described_class) do |error|
expect(error.timeout).to eq(10.0)
end
end

it 'can be raised and caught with custom timeout' do
expect do
raise described_class.new(45.0)
end.to raise_error(described_class) do |error|
expect(error.timeout).to eq(45.0)
end
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⚠️ Potential issue | 🟡 Minor

Address RuboCop multiline block chain warning.

Line 68 has a multiline block chain flagged by RuboCop. Consider reformatting:

it 'can be raised and caught with default timeout' do
  expect do
    raise described_class
  end.to raise_error(described_class)
  
  # Then verify timeout in a separate expectation or use a local variable
  begin
    raise described_class
  rescue described_class => error
    expect(error.timeout).to eq(10.0)
  end
end

Or use rescue-style as in other tests.

🧰 Tools
🪛 GitHub Actions: Ruby

[error] 68-68: RuboCop: Style/MultilineBlockChain: Avoid multi-line chains of blocks.


[error] 75-75: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.

🤖 Prompt for AI Agents
In spec/uploadcare/exception/throttle_error_spec.rb around lines 66 to 78, the
test uses a multiline block chain with expect { raise described_class }.to
raise_error(described_class) { |error| ... } which RuboCop flags; refactor the
test to avoid the chained multiline block by either splitting into two steps
(first assert raise with .to raise_error(described_class) without a block, then
re-raise and rescue to assert error.timeout) or use the rescue-style pattern
consistent with other tests (begin; raise described_class; rescue
described_class => error; expect(error.timeout).to eq(10.0); end), ensuring the
test still checks default timeout 10.0 and the custom timeout 45.0 without
multiline block chaining.

Comment on lines +75 to +105
raise described_class.new(45.0)
end.to raise_error(described_class) do |error|
expect(error.timeout).to eq(45.0)
end
end

it 'can be caught as StandardError' do
expect do
raise described_class.new(15.0)
end.to raise_error(StandardError)
end

it 'can be caught as Uploadcare::Exception::ThrottleError' do
expect do
raise described_class.new(20.0)
end.to raise_error(Uploadcare::Exception::ThrottleError)
end
end

describe 'throttling scenarios' do
it 'handles API rate limiting' do
expect do
raise described_class.new(60.0)
end.to raise_error(described_class) do |error|
expect(error.timeout).to eq(60.0)
end
end

it 'handles short throttle periods' do
expect do
raise described_class.new(1.5)
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⚠️ Potential issue | 🟡 Minor

Address RuboCop RaiseArgs style violations.

Lines 75, 83, 89, 97, and 105 use raise described_class.new(timeout) which RuboCop flags. For consistency with project style, consider using two-argument raise or rescue-style tests:

# Instead of:
raise described_class.new(45.0)

# Use rescue-style:
error = described_class.new(45.0)
begin
  raise error
rescue described_class => e
  expect(e.timeout).to eq(45.0)
end
🧰 Tools
🪛 GitHub Actions: Ruby

[error] 75-75: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 83-83: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 89-89: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 97-97: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.


[error] 105-105: RuboCop: Style/RaiseArgs: Provide an exception class and message as arguments to raise.

🤖 Prompt for AI Agents
In spec/uploadcare/exception/throttle_error_spec.rb around lines 75 to 105,
tests call raise described_class.new(timeout) which triggers RuboCop RaiseArgs
style warnings; replace those direct raise calls with creating the error object
then raising inside a begin/rescue (or use two-argument raise form) and assert
on the rescued exception: instantiate error = described_class.new(timeout), then
begin; raise error; rescue described_class => e; expect(e.timeout).to
eq(timeout); end (apply this pattern for the cases at lines 75, 83, 89, 97 and
105).

- Fix critical UUID extraction bug in File#uuid method
- Add API key validation to all example scripts
- Verify spec filename typo already fixed
- Clean up debug requires and comments (none found)
- Test coverage at 89.46% with 25 failures remaining in uploader_spec
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Actionable comments posted: 2

♻️ Duplicate comments (1)
lib/uploadcare/resources/file.rb (1)

52-60: Critical bug still present: Incorrect resource_class assignment.

This issue was flagged in a previous review but remains unresolved. In a class method, self is already the class (Uploadcare::File), so self.class returns Class. This will cause PaginatedCollection to receive the wrong class reference.

Apply this diff to fix:

 PaginatedCollection.new(
   resources: files,
   next_page: response['next'],
   previous_page: response['previous'],
   per_page: response['per_page'],
   total: response['total'],
   client: file_client,
-  resource_class: self.class
+  resource_class: self
 )
📜 Review details

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

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You can enable these sources in your CodeRabbit configuration.

📥 Commits

Reviewing files that changed from the base of the PR and between c55f8d7 and 6ce2c9c.

📒 Files selected for processing (7)
  • examples/batch_upload.rb (1 hunks)
  • examples/group_creation.rb (1 hunks)
  • examples/large_file_upload.rb (1 hunks)
  • examples/simple_upload.rb (1 hunks)
  • examples/upload_with_progress.rb (1 hunks)
  • examples/url_upload.rb (1 hunks)
  • lib/uploadcare/resources/file.rb (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (3)
  • examples/group_creation.rb
  • examples/large_file_upload.rb
  • examples/url_upload.rb
🧰 Additional context used
🧬 Code graph analysis (2)
examples/simple_upload.rb (4)
lib/uploadcare.rb (2)
  • configure (19-21)
  • configuration (23-25)
lib/uploadcare/resources/file.rb (2)
  • file (32-36)
  • uuid (187-198)
lib/uploadcare/clients/multipart_uploader_client.rb (1)
  • upload (19-29)
lib/uploadcare/resources/group.rb (1)
  • uuid (115-117)
lib/uploadcare/resources/file.rb (3)
lib/uploadcare.rb (1)
  • configuration (23-25)
lib/uploadcare/resources/base_resource.rb (1)
  • assign_attributes (20-25)
lib/uploadcare/configuration.rb (1)
  • cdn_base (120-128)
🔇 Additional comments (6)
examples/batch_upload.rb (2)

7-26: LGTM!

The configuration setup follows the same pattern as other examples, with proper dotenv handling and configuration validation.


28-43: LGTM!

Input validation is thorough with clear error messages.

examples/simple_upload.rb (2)

7-35: LGTM!

Configuration and input validation follow the established pattern and handle edge cases appropriately.


41-58: LGTM!

The block form of File.open properly ensures the file handle is closed even if an exception occurs during upload. This correctly addresses the previous review feedback about resource leaks.

examples/upload_with_progress.rb (2)

7-49: LGTM!

The setup, configuration, and user guidance about the 10MB threshold for progress tracking are clear and helpful.


51-99: LGTM!

The block form of File.open properly ensures resource cleanup, addressing the previous review feedback. The progress tracking implementation is well-designed with:

  • Safe division-by-zero checks
  • Clear visual progress bar
  • Helpful metrics (speed, ETA, parts)

Comment on lines +49 to +77
# Open all files
files = file_paths.map { |path| File.open(path, 'rb') }

begin
# Upload all files
results = Uploadcare::Uploader.upload(files, store: true)

# Close files
files.each(&:close)

# Display results
puts '✓ Batch upload complete!'
puts
puts 'Results:'
puts '-' * 50

results.each_with_index do |file, index|
puts "#{index + 1}. #{file.original_filename}"
puts " UUID: #{file.uuid}"
puts " CDN URL: https://ucarecdn.com/#{file.uuid}/"
puts
end

puts "Successfully uploaded #{results.length} files"
rescue StandardError => e
files.each(&:close)
puts "✗ Batch upload failed: #{e.message}"
exit 1
end
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⚠️ Potential issue | 🟠 Major

Resource leak: file handles not guaranteed to close on exception.

Files are opened on line 50 outside the begin block. If an exception occurs between line 50 and line 52, the file handles will leak. Additionally, closing files in both success and rescue paths (lines 57 and 74) is error-prone.

Apply this diff to ensure proper cleanup using an ensure block:

-# Open all files
-files = file_paths.map { |path| File.open(path, 'rb') }
-
 begin
+  # Open all files
+  files = file_paths.map { |path| File.open(path, 'rb') }
+
   # Upload all files
   results = Uploadcare::Uploader.upload(files, store: true)
 
-  # Close files
-  files.each(&:close)
-
   # Display results
   puts '✓ Batch upload complete!'
   puts
   puts 'Results:'
   puts '-' * 50
 
   results.each_with_index do |file, index|
     puts "#{index + 1}. #{file.original_filename}"
     puts "   UUID: #{file.uuid}"
     puts "CDN URL: https://ucarecdn.com/#{file.uuid}/"
     puts
   end
 
   puts "Successfully uploaded #{results.length} files"
 rescue StandardError => e
-  files.each(&:close)
   puts "✗ Batch upload failed: #{e.message}"
   exit 1
+ensure
+  files&.each(&:close)
 end
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
# Open all files
files = file_paths.map { |path| File.open(path, 'rb') }
begin
# Upload all files
results = Uploadcare::Uploader.upload(files, store: true)
# Close files
files.each(&:close)
# Display results
puts '✓ Batch upload complete!'
puts
puts 'Results:'
puts '-' * 50
results.each_with_index do |file, index|
puts "#{index + 1}. #{file.original_filename}"
puts " UUID: #{file.uuid}"
puts " CDN URL: https://ucarecdn.com/#{file.uuid}/"
puts
end
puts "Successfully uploaded #{results.length} files"
rescue StandardError => e
files.each(&:close)
puts "✗ Batch upload failed: #{e.message}"
exit 1
end
begin
# Open all files
files = file_paths.map { |path| File.open(path, 'rb') }
# Upload all files
results = Uploadcare::Uploader.upload(files, store: true)
# Display results
puts '✓ Batch upload complete!'
puts
puts 'Results:'
puts '-' * 50
results.each_with_index do |file, index|
puts "#{index + 1}. #{file.original_filename}"
puts " UUID: #{file.uuid}"
puts " CDN URL: https://ucarecdn.com/#{file.uuid}/"
puts
end
puts "Successfully uploaded #{results.length} files"
rescue StandardError => e
puts "✗ Batch upload failed: #{e.message}"
exit 1
ensure
files&.each(&:close)
end
🤖 Prompt for AI Agents
In examples/batch_upload.rb around lines 49 to 77, file handles are opened
before the begin block so an exception can leak them and closing is duplicated
in success and rescue paths; fix by moving the creation of the files array into
the begin block (or wrap the opening in a begin) and add an ensure block that
closes all file handles (files.each(&:close) guarded by nil/empty check) so
files are always closed once regardless of success or error, and remove the
duplicated close from the rescue/success sections.

Comment on lines +215 to +223
# Loads file metadata, if it's initialized with url or uuid (v4.4.3 compatibility)
# @return [Uploadcare::File]
def load
response = info
assign_attributes(response.instance_variables.each_with_object({}) do |var, hash|
hash[var.to_s.delete('@').to_sym] = response.instance_variable_get(var)
end)
self
end
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🛠️ Refactor suggestion | 🟠 Major

Simplify redundant logic in load method.

The info method already updates the current instance via assign_attributes (line 89) and returns self. Lines 219-221 redundantly extract instance variables from self and reassign them back to self, which has no effect since the instance was already updated by the info call.

Apply this diff to simplify:

 def load
-  response = info
-  assign_attributes(response.instance_variables.each_with_object({}) do |var, hash|
-    hash[var.to_s.delete('@').to_sym] = response.instance_variable_get(var)
-  end)
-  self
+  info
 end
🤖 Prompt for AI Agents
In lib/uploadcare/resources/file.rb around lines 215 to 223, the load method
calls info which already updates the instance via assign_attributes and returns
self, so the subsequent block that extracts instance variables from the response
and reassigns them back is redundant; remove the extraction/assignment block and
simplify load to just call info and return self (or simply return the result of
info) to eliminate the no-op reassignment.

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2 participants