diff --git a/codepatchwork-db-export.zip b/codepatchwork-db-export.zip deleted file mode 100644 index debbe75..0000000 Binary files a/codepatchwork-db-export.zip and /dev/null differ diff --git a/db-export/README.md b/db-export/README.md deleted file mode 100644 index 70ac84c..0000000 --- a/db-export/README.md +++ /dev/null @@ -1,50 +0,0 @@ -# CodePatchwork Database Migration - -This folder contains database export files to migrate your CodePatchwork database to a local PostgreSQL instance. - -## Files - -- `schema.sql`: Database schema definition (tables, constraints, etc.) -- `data.sql`: Database data only (no schema) -- `complete_dump.dump`: Complete database export in PostgreSQL custom format - -## Import Instructions - -### Option 1: Using the complete dump (recommended) - -1. Create a new database: - ```bash - createdb codepatchwork - ``` - -2. Import the complete dump: - ```bash - pg_restore -d codepatchwork --no-owner --role=your_username complete_dump.dump - ``` - -### Option 2: Using separate schema and data files - -1. Create a new database: - ```bash - createdb codepatchwork - ``` - -2. Import the schema: - ```bash - psql -d codepatchwork -f schema.sql - ``` - -3. Import the data: - ```bash - psql -d codepatchwork -f data.sql - ``` - -## Database Configuration - -After import, update your local .env file with: - -``` -DATABASE_URL=postgres://your_username:your_password@localhost:5432/codepatchwork -``` - -Replace `your_username` and `your_password` with your local PostgreSQL credentials. diff --git a/db-export/complete_dump.dump b/db-export/complete_dump.dump deleted file mode 100644 index 15b6399..0000000 Binary files a/db-export/complete_dump.dump and /dev/null differ diff --git a/db-export/data.sql b/db-export/data.sql deleted file mode 100644 index 9545b4f..0000000 --- a/db-export/data.sql +++ /dev/null @@ -1,23 +0,0 @@ --- --- PostgreSQL database dump --- - --- Dumped from database version 17.4 (Ubuntu 17.4-1) --- Dumped by pg_dump version 17.4 (Ubuntu 17.4-1) - -SET statement_timeout = 0; -SET lock_timeout = 0; -SET idle_in_transaction_session_timeout = 0; -SET transaction_timeout = 0; -SET client_encoding = 'UTF8'; -SET standard_conforming_strings = on; -SELECT pg_catalog.set_config('search_path', '', false); -SET check_function_bodies = false; -SET xmloption = content; -SET client_min_messages = warning; -SET row_security = off; - --- --- PostgreSQL database dump complete --- - diff --git a/db-export/schema.sql b/db-export/schema.sql deleted file mode 100644 index e69de29..0000000 diff --git a/db-test.js b/db-test.js deleted file mode 100644 index dc6fa1b..0000000 --- a/db-test.js +++ /dev/null @@ -1,20 +0,0 @@ -import { config } from 'dotenv'; -import pg from 'pg'; -const { Pool } = pg; - -// Load environment variables -config(); - -const pool = new Pool({ - connectionString: process.env.DATABASE_URL -}); - -pool.query('SELECT NOW()', (err, res) => { - if (err) { - console.error('Error connecting to database:', err); - } else { - console.log('Successfully connected to PostgreSQL!'); - console.log('Current time from database:', res.rows[0].now); - } - pool.end(); -}); diff --git a/firebase.bk b/firebase.bk deleted file mode 100644 index f055770..0000000 --- a/firebase.bk +++ /dev/null @@ -1,107 +0,0 @@ -// client/src/lib/firebase.ts -/* ------------------------------------------------------------------ - * Firebase bootstrap for CodePatchwork - * ------------------------------------------------------------------ */ - -import { initializeApp, getApps, getApp } from "firebase/app"; -import { - getAuth, - GoogleAuthProvider, - onAuthStateChanged, - User, -} from "firebase/auth"; - -// 1️⃣ Pull the seven required VITE_ env-vars out of import.meta.env -const { - VITE_FIREBASE_API_KEY, - VITE_FIREBASE_AUTH_DOMAIN, - VITE_FIREBASE_PROJECT_ID, - VITE_FIREBASE_STORAGE_BUCKET, - VITE_FIREBASE_MESSAGING_SENDER_ID, - VITE_FIREBASE_APP_ID, - VITE_FIREBASE_MEASUREMENT_ID, -} = import.meta.env; - -// 2️⃣ Sanity-check: error if any of the “must have” values is missing -if ( - !VITE_FIREBASE_API_KEY || - !VITE_FIREBASE_AUTH_DOMAIN || - !VITE_FIREBASE_PROJECT_ID -) { - throw new Error( - "[Firebase] Missing required VITE_FIREBASE_* env vars. " + - "Make sure your .env is loading them." - ); -} - -// 3️⃣ Build your config object -const firebaseConfig = { - apiKey: VITE_FIREBASE_API_KEY, - authDomain: VITE_FIREBASE_AUTH_DOMAIN, - projectId: VITE_FIREBASE_PROJECT_ID, - storageBucket: VITE_FIREBASE_STORAGE_BUCKET, - messagingSenderId: VITE_FIREBASE_MESSAGING_SENDER_ID, - appId: VITE_FIREBASE_APP_ID, - measurementId: VITE_FIREBASE_MEASUREMENT_ID, -}; - -// 4️⃣ Debug log so you can see exactly what shipped in your bundle -console.log("%c[Firebase cfg]", "color:#4ade80;", firebaseConfig); - -// 5️⃣ Initialise the app (avoiding duplicates on hot-reload) -const app = getApps().length ? getApp() : initializeApp(firebaseConfig); - -// 6️⃣ Set up Auth + Google provider -const auth = getAuth(app); -const googleProvider = new GoogleAuthProvider(); - -// 7️⃣ Listen for sign-in state changes and POST your ID token to the server -if (typeof window !== "undefined") { - onAuthStateChanged(auth, async (user: User | null) => { - if (!user) { - console.log("[Firebase] No user signed in"); - return; - } - - try { - // a) grab a fresh ID token - const idToken = await user.getIdToken(/* forceRefresh */ true); - - // b) send it to your backend - const res = await fetch("/api/auth/user", { - method: "POST", - headers: { "Content-Type": "application/json" }, - body: JSON.stringify({ idToken }), - }); - - if (!res.ok) { - console.error( - "🔴 /api/auth/user failed:", - res.status, - await res.text() - ); - } else { - console.log("🟢 /api/auth/user succeeded:", await res.json()); - } - } catch (e) { - console.error("[Firebase] Error sending ID token:", e); - } - }); -} - -// 8️⃣ In non-prod, expose for DevTools debugging -if ( - import.meta.env.MODE !== "production" && - typeof window !== "undefined" -) { - // @ts-ignore - window.__app = app; - // @ts-ignore - window.__auth = auth; - // @ts-ignore - window.__prov = googleProvider; -} - -// 9️⃣ Export for your UI code -export { app, auth, googleProvider }; -export type { User as FirebaseUser }; diff --git a/output.html b/output.html deleted file mode 100644 index 62cd9f2..0000000 --- a/output.html +++ /dev/null @@ -1,21 +0,0 @@ - - - - - - CodePatchwork - Visual Code Snippet Manager - - - - - - - - - - - -
- - - diff --git a/package.txt b/package.txt deleted file mode 100644 index 3fe36ce..0000000 --- a/package.txt +++ /dev/null @@ -1,113 +0,0 @@ -{ - "name": "rest-express", - "version": "1.0.0", - "type": "module", - "license": "MIT", - "scripts": { - "dev": "NODE_ENV=development tsx server/index.ts", - "build": "vite build && esbuild server/index.ts --platform=node --packages=external --bundle --format=esm --outdir=dist", - "start": "NODE_ENV=production node -r dotenv/config dist/index.js" - "check": "tsc", - "db:push": "drizzle-kit push" - }, - "dependencies": { - "@hookform/resolvers": "^3.10.0", - "@jridgewell/trace-mapping": "^0.3.25", - "@neondatabase/serverless": "^0.10.4", - "@radix-ui/react-accordion": "^1.2.4", - "@radix-ui/react-alert-dialog": "^1.1.7", - "@radix-ui/react-aspect-ratio": "^1.1.3", - "@radix-ui/react-avatar": "^1.1.4", - "@radix-ui/react-checkbox": "^1.1.5", - "@radix-ui/react-collapsible": "^1.1.4", - "@radix-ui/react-context-menu": "^2.2.7", - "@radix-ui/react-dialog": "^1.1.7", - "@radix-ui/react-dropdown-menu": "^2.1.7", - "@radix-ui/react-hover-card": "^1.1.7", - "@radix-ui/react-label": "^2.1.3", - "@radix-ui/react-menubar": "^1.1.7", - "@radix-ui/react-navigation-menu": "^1.2.6", - "@radix-ui/react-popover": "^1.1.7", - "@radix-ui/react-progress": "^1.1.3", - "@radix-ui/react-radio-group": "^1.2.4", - "@radix-ui/react-scroll-area": "^1.2.4", - "@radix-ui/react-select": "^2.1.7", - "@radix-ui/react-separator": "^1.1.3", - "@radix-ui/react-slider": "^1.2.4", - "@radix-ui/react-slot": "^1.2.0", - "@radix-ui/react-switch": "^1.1.4", - "@radix-ui/react-tabs": "^1.1.4", - "@radix-ui/react-toast": "^1.2.7", - "@radix-ui/react-toggle": "^1.1.3", - "@radix-ui/react-toggle-group": "^1.1.3", - "@radix-ui/react-tooltip": "^1.2.0", - "@tanstack/react-query": "^5.60.5", - "@types/memoizee": "^0.4.12", - "class-variance-authority": "^0.7.1", - "clsx": "^2.1.1", - "cmdk": "^1.1.1", - "connect-pg-simple": "^10.0.0", - "date-fns": "^3.6.0", - "dotenv": "^16.5.0", - "drizzle-orm": "^0.39.1", - "drizzle-zod": "^0.7.0", - "embla-carousel-react": "^8.6.0", - "express": "^4.21.2", - "express-session": "^1.18.1", - "firebase": "^11.7.3", - "framer-motion": "^11.13.1", - "input-otp": "^1.4.2", - "lucide-react": "^0.453.0", - "memoizee": "^0.4.17", - "memorystore": "^1.6.7", - "next-themes": "^0.4.6", - "openid-client": "^6.5.0", - "passport": "^0.7.0", - "passport-local": "^1.0.0", - "prism-react-renderer": "^2.4.1", - "prismjs": "^1.30.0", - "react": "^18.3.1", - "react-day-picker": "^8.10.1", - "react-dom": "^18.3.1", - "react-hook-form": "^7.55.0", - "react-icons": "^5.4.0", - "react-prismjs": "^1.0.4", - "react-resizable-panels": "^2.1.7", - "recharts": "^2.15.2", - "tailwind-merge": "^2.6.0", - "tailwindcss-animate": "^1.0.7", - "tw-animate-css": "^1.2.5", - "vaul": "^1.1.2", - "wouter": "^3.3.5", - "ws": "^8.18.0", - "zod": "^3.24.2", - "zod-validation-error": "^3.4.0" - }, - "devDependencies": { - "@replit/vite-plugin-cartographer": "^0.2.0", - "@replit/vite-plugin-runtime-error-modal": "^0.0.3", - "@tailwindcss/typography": "^0.5.15", - "@tailwindcss/vite": "^4.1.3", - "@types/connect-pg-simple": "^7.0.3", - "@types/express": "4.17.21", - "@types/express-session": "^1.18.0", - "@types/node": "20.16.11", - "@types/passport": "^1.0.16", - "@types/passport-local": "^1.0.38", - "@types/react": "^18.3.11", - "@types/react-dom": "^18.3.1", - "@types/ws": "^8.5.13", - "@vitejs/plugin-react": "^4.3.2", - "autoprefixer": "^10.4.20", - "drizzle-kit": "^0.30.6", - "esbuild": "^0.25.0", - "postcss": "^8.4.47", - "tailwindcss": "^3.4.17", - "tsx": "^4.19.1", - "typescript": "5.6.3", - "vite": "^5.4.14" - }, - "optionalDependencies": { - "bufferutil": "^4.0.8" - } -} diff --git a/server/db.js b/server/db.js deleted file mode 100644 index 99b25ed..0000000 --- a/server/db.js +++ /dev/null @@ -1,10 +0,0 @@ -import { Pool, neonConfig } from '@neondatabase/serverless'; -import { drizzle } from 'drizzle-orm/neon-serverless'; -import ws from "ws"; -import * as schema from "@shared/schema"; -neonConfig.webSocketConstructor = ws; -if (!process.env.DATABASE_URL) { - throw new Error("DATABASE_URL must be set. Did you forget to provision a database?"); -} -export var pool = new Pool({ connectionString: process.env.DATABASE_URL }); -export var db = drizzle(pool, { schema: schema }); diff --git a/server/debug_storage.js b/server/debug_storage.js deleted file mode 100644 index 7441be7..0000000 --- a/server/debug_storage.js +++ /dev/null @@ -1,88 +0,0 @@ -var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { - function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } - return new (P || (P = Promise))(function (resolve, reject) { - function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } - function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } - function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } - step((generator = generator.apply(thisArg, _arguments || [])).next()); - }); -}; -var __generator = (this && this.__generator) || function (thisArg, body) { - var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype); - return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; - function verb(n) { return function (v) { return step([n, v]); }; } - function step(op) { - if (f) throw new TypeError("Generator is already executing."); - while (g && (g = 0, op[0] && (_ = 0)), _) try { - if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; - if (y = 0, t) op = [op[0] & 2, t.value]; - switch (op[0]) { - case 0: case 1: t = op; break; - case 4: _.label++; return { value: op[1], done: false }; - case 5: _.label++; y = op[1]; op = [0]; continue; - case 7: op = _.ops.pop(); _.trys.pop(); continue; - default: - if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } - if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } - if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } - if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } - if (t[2]) _.ops.pop(); - _.trys.pop(); continue; - } - op = body.call(thisArg, _); - } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } - if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; - } -}; -import { pool } from './db'; -import { DatabaseStorage } from './storage'; -function testDatabaseStorage() { - return __awaiter(this, void 0, void 0, function () { - var storage, snippets, tags, languages, collections, error_1; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: - console.log('Testing DatabaseStorage...'); - storage = new DatabaseStorage(); - _a.label = 1; - case 1: - _a.trys.push([1, 6, 7, 9]); - console.log('Testing getSnippets()...'); - return [4 /*yield*/, storage.getSnippets()]; - case 2: - snippets = _a.sent(); - console.log("Found ".concat(snippets.length, " snippets")); - console.log('Testing getTags()...'); - return [4 /*yield*/, storage.getTags()]; - case 3: - tags = _a.sent(); - console.log("Found ".concat(tags.length, " tags: ").concat(tags.join(', '))); - console.log('Testing getLanguages()...'); - return [4 /*yield*/, storage.getLanguages()]; - case 4: - languages = _a.sent(); - console.log("Found ".concat(languages.length, " languages: ").concat(languages.join(', '))); - console.log('Testing getCollections()...'); - return [4 /*yield*/, storage.getCollections()]; - case 5: - collections = _a.sent(); - console.log("Found ".concat(collections.length, " collections")); - return [3 /*break*/, 9]; - case 6: - error_1 = _a.sent(); - console.error('Error testing DatabaseStorage:', error_1); - return [3 /*break*/, 9]; - case 7: - // Close the database connection pool - return [4 /*yield*/, pool.end()]; - case 8: - // Close the database connection pool - _a.sent(); - return [7 /*endfinally*/]; - case 9: return [2 /*return*/]; - } - }); - }); -} -// Run the test -testDatabaseStorage(); diff --git a/server/storage.js b/server/storage.js deleted file mode 100644 index 4cad0ce..0000000 --- a/server/storage.js +++ /dev/null @@ -1,1176 +0,0 @@ -var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) { - if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; } - return cooked; -}; -var __assign = (this && this.__assign) || function () { - __assign = Object.assign || function(t) { - for (var s, i = 1, n = arguments.length; i < n; i++) { - s = arguments[i]; - for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) - t[p] = s[p]; - } - return t; - }; - return __assign.apply(this, arguments); -}; -var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { - function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } - return new (P || (P = Promise))(function (resolve, reject) { - function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } - function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } - function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } - step((generator = generator.apply(thisArg, _arguments || [])).next()); - }); -}; -var __generator = (this && this.__generator) || function (thisArg, body) { - var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype); - return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; - function verb(n) { return function (v) { return step([n, v]); }; } - function step(op) { - if (f) throw new TypeError("Generator is already executing."); - while (g && (g = 0, op[0] && (_ = 0)), _) try { - if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; - if (y = 0, t) op = [op[0] & 2, t.value]; - switch (op[0]) { - case 0: case 1: t = op; break; - case 4: _.label++; return { value: op[1], done: false }; - case 5: _.label++; y = op[1]; op = [0]; continue; - case 7: op = _.ops.pop(); _.trys.pop(); continue; - default: - if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } - if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } - if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } - if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } - if (t[2]) _.ops.pop(); - _.trys.pop(); continue; - } - op = body.call(thisArg, _); - } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } - if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; - } -}; -import { users, snippets, collections, collectionItems, comments } from "@shared/schema"; -import { eq, and, or, isNotNull, ilike, sql, desc, asc } from "drizzle-orm"; -var MemStorage = /** @class */ (function () { - function MemStorage() { - this.users = new Map(); - this.snippets = new Map(); - this.collections = new Map(); - this.collectionItems = new Map(); - this.userIdCounter = 1; - this.snippetIdCounter = 1; - this.collectionIdCounter = 1; - this.collectionItemIdCounter = 1; - // Initialize with some sample data - this.initializeSampleData(); - } - MemStorage.prototype.initializeSampleData = function () { - var _this = this; - // Add sample snippets - var sampleSnippets = [ - { - title: "React useLocalStorage Hook", - description: "Custom React hook to persist state in localStorage with type safety.", - code: "import { useState, useEffect } from 'react';\n\nfunction useLocalStorage(\n key: string, \n initialValue: T\n): [T, (value: T) => void] {\n // Get stored value\n const readValue = (): T => {\n if (typeof window === 'undefined') {\n return initialValue;\n }\n try {\n const item = window.localStorage.getItem(key);\n return item ? JSON.parse(item) : initialValue;\n } catch (error) {\n console.warn('Error reading localStorage key', error);\n return initialValue;\n }\n };\n \n const [storedValue, setStoredValue] = useState(readValue);\n \n // Return a wrapped version of useState's setter\n const setValue = (value: T) => {\n try {\n // Save state\n setStoredValue(value);\n // Save to localStorage\n window.localStorage.setItem(key, JSON.stringify(value));\n } catch (error) {\n console.warn('Error setting localStorage key', error);\n }\n };\n\n useEffect(() => {\n setStoredValue(readValue());\n // eslint-disable-next-line react-hooks/exhaustive-deps\n }, []);\n\n return [storedValue, setValue];\n}", - language: "tsx", - tags: ["react", "hooks", "typescript"], - userId: null, - isFavorite: false, - viewCount: 12 - }, - { - title: "Python Decorator for Timing", - description: "A simple Python decorator to measure and log function execution time.", - code: "import time\nimport functools\nimport logging\n\ndef timer(func):\n \"\"\"Print the runtime of the decorated function\"\"\"\n @functools.wraps(func)\n def wrapper_timer(*args, **kwargs):\n start_time = time.perf_counter()\n value = func(*args, **kwargs)\n end_time = time.perf_counter()\n run_time = end_time - start_time\n logging.info(f\"Completed {func.__name__!r} in {run_time:.4f} secs\")\n return value\n return wrapper_timer\n\n# Example usage\n@timer\ndef waste_some_time(num_times):\n for _ in range(num_times):\n sum([i**2 for i in range(10000)])\n \n# Call it\nwaste_some_time(100)", - language: "python", - tags: ["python", "decorators", "performance"], - userId: null, - isFavorite: false, - viewCount: 24 - }, - { - title: "CSS Grid Layout Template", - description: "Responsive grid layout with areas for header, sidebar, content and footer.", - code: ".grid-container {\n display: grid;\n grid-template-columns: repeat(12, 1fr);\n grid-template-rows: auto 1fr auto;\n grid-template-areas:\n \"h h h h h h h h h h h h\"\n \"s s c c c c c c c c c c\"\n \"f f f f f f f f f f f f\";\n min-height: 100vh;\n gap: 1rem;\n}\n\n.header { grid-area: h; }\n.sidebar { grid-area: s; }\n.content { grid-area: c; }\n.footer { grid-area: f; }\n\n/* Tablet layout */\n@media (max-width: 992px) {\n .grid-container {\n grid-template-areas:\n \"h h h h h h h h h h h h\"\n \"s s s s c c c c c c c c\"\n \"f f f f f f f f f f f f\";\n }\n}\n\n/* Mobile layout */\n@media (max-width: 768px) {\n .grid-container {\n grid-template-areas:\n \"h h h h h h h h h h h h\"\n \"c c c c c c c c c c c c\"\n \"s s s s s s s s s s s s\"\n \"f f f f f f f f f f f f\";\n }\n}", - language: "css", - tags: ["css", "grid", "responsive"], - userId: null, - isFavorite: true, - viewCount: 41 - }, - { - title: "JavaScript Array Methods Cheatsheet", - description: "Quick reference for common JavaScript array methods with examples.", - code: "/* Array methods cheatsheet */\n\n// ADDING ELEMENTS\narray.push(item); // Add to end\narray.unshift(item); // Add to beginning\narray.splice(index, 0, item); // Add at position\n\n// REMOVING ELEMENTS\narray.pop(); // Remove from end\narray.shift(); // Remove from beginning\narray.splice(index, 1); // Remove at position\n\n// TRANSFORMATION\narray.map(callback); // Create new array with results\narray.filter(callback); // Create array with elements that pass test\narray.reduce(callback, initialValue); // Reduce to single value\narray.sort(compareFunction); // Sort elements\narray.reverse(); // Reverse order\n\n// SEARCHING\narray.find(callback); // Find first matching element\narray.findIndex(callback); // Find index of first match\narray.includes(item); // Check if array contains item\narray.indexOf(item); // Find index of item (-1 if not found)\n\n// ITERATION\narray.forEach(callback); // Execute function on each element\n\n// JOINING & SPLITTING\narray.join(separator); // Join elements into string\nstring.split(separator); // Split string into array", - language: "javascript", - tags: ["javascript", "arrays", "cheatsheet"], - userId: null, - isFavorite: true, - viewCount: 137 - }, - { - title: "Tailwind Dark Mode Toggle", - description: "React component for toggling dark mode with system preference detection.", - code: "import { useState, useEffect } from 'react';\n\nconst DarkModeToggle = () => {\n const [darkMode, setDarkMode] = useState(false);\n\n useEffect(() => {\n // Check for system preference when component mounts\n const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;\n setDarkMode(\n localStorage.getItem('darkMode') !== null\n ? localStorage.getItem('darkMode') === 'true'\n : prefersDark\n );\n }, []);\n\n useEffect(() => {\n // Update document class when darkMode state changes\n if (darkMode) {\n document.documentElement.classList.add('dark');\n localStorage.setItem('darkMode', 'true');\n } else {\n document.documentElement.classList.remove('dark');\n localStorage.setItem('darkMode', 'false');\n }\n }, [darkMode]);\n\n return (\n setDarkMode(!darkMode)}\n className=\"p-2 rounded-md text-gray-500 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700\"\n aria-label={darkMode ? 'Switch to light mode' : 'Switch to dark mode'}\n >\n {darkMode ? (\n \n ) : (\n \n )}\n \n );\n};", - language: "jsx", - tags: ["react", "tailwind", "darkmode"], - userId: null, - isFavorite: false, - viewCount: 52 - }, - { - title: "Go Error Handling Pattern", - description: "Best practices for handling errors in Go with custom error types.", - code: "package main\n\nimport (\n \"errors\"\n \"fmt\"\n)\n\n// Define custom error types\ntype NotFoundError struct {\n ID string\n}\n\nfunc (e *NotFoundError) Error() string {\n return fmt.Sprintf(\"entity with ID %s not found\", e.ID)\n}\n\n// Function that returns different error types\nfunc GetUser(id string) (User, error) {\n // Simulate user not found\n if id == \"\" {\n return User{}, &NotFoundError{ID: id}\n }\n \n // Simulate another error\n if id == \"invalid\" {\n return User{}, errors.New(\"invalid user ID format\")\n }\n \n // Success\n return User{ID: id, Name: \"John Doe\"}, nil\n}\n\n// Error handling pattern with type checking\nfunc main() {\n user, err := GetUser(\"\")\n if err != nil {\n // Check specific error type\n if notFoundErr, ok := err.(*NotFoundError); ok {\n fmt.Printf(\"Could not find user: %v\\n\", notFoundErr)\n // Handle not found case\n } else {\n fmt.Printf(\"Error getting user: %v\\n\", err)\n // Handle other errors\n }\n return\n }\n \n // Process the user\n fmt.Printf(\"Found user: %s\\n\", user.Name)\n}", - language: "go", - tags: ["go", "error-handling", "best-practices"], - userId: null, - isFavorite: false, - viewCount: 18 - } - ]; - // Add sample collections - var sampleCollections = [ - { - name: "React Patterns", - description: "Collection of useful React patterns and hooks", - userId: null - }, - { - name: "CSS Layouts", - description: "Responsive CSS layout techniques", - userId: null - }, - { - name: "JavaScript Essentials", - description: "Must-know JavaScript concepts and utilities", - userId: null - } - ]; - // Add all sample snippets - sampleSnippets.forEach(function (snippet) { - _this.createSnippet(__assign(__assign({}, snippet), { viewCount: snippet.viewCount || 0, isFavorite: snippet.isFavorite || false })); - }); - // Add all sample collections - var collectionIds = sampleCollections.map(function (collection) { - return _this.createCollection(collection).then(function (c) { return c.id; }); - }); - // Once all collections are created, add snippets to them - Promise.all(collectionIds).then(function (ids) { - // Add React useLocalStorage and Tailwind Dark Mode Toggle to React Patterns - _this.addSnippetToCollection({ collectionId: ids[0], snippetId: 1 }); - _this.addSnippetToCollection({ collectionId: ids[0], snippetId: 5 }); - // Add CSS Grid Layout to CSS Layouts - _this.addSnippetToCollection({ collectionId: ids[1], snippetId: 3 }); - // Add JavaScript Array Methods to JavaScript Essentials - _this.addSnippetToCollection({ collectionId: ids[2], snippetId: 4 }); - }); - }; - // User operations - MemStorage.prototype.getUser = function (id) { - return __awaiter(this, void 0, void 0, function () { - return __generator(this, function (_a) { - return [2 /*return*/, this.users.get(id)]; - }); - }); - }; - MemStorage.prototype.getUserByUsername = function (username) { - return __awaiter(this, void 0, void 0, function () { - return __generator(this, function (_a) { - return [2 /*return*/, Array.from(this.users.values()).find(function (user) { return user.username === username; })]; - }); - }); - }; - MemStorage.prototype.createUser = function (insertUser) { - return __awaiter(this, void 0, void 0, function () { - var id, user; - return __generator(this, function (_a) { - id = this.userIdCounter++; - user = __assign(__assign({}, insertUser), { id: id }); - this.users.set(id, user); - return [2 /*return*/, user]; - }); - }); - }; - // Snippet operations - MemStorage.prototype.getSnippets = function (filters) { - return __awaiter(this, void 0, void 0, function () { - var snippets, languages_1, langLower_1, tags_1, tagLower_1, searchTerm_1; - return __generator(this, function (_a) { - snippets = Array.from(this.snippets.values()); - if (filters) { - // Filter by language - support both single language and multiple languages - if (filters.language) { - if (Array.isArray(filters.language)) { - languages_1 = filters.language.map(function (lang) { return lang.toLowerCase(); }); - snippets = snippets.filter(function (s) { - return s.language && languages_1.includes(s.language.toLowerCase()); - }); - } - else { - langLower_1 = filters.language.toLowerCase(); - snippets = snippets.filter(function (s) { - return s.language && s.language.toLowerCase() === langLower_1; - }); - } - } - // Filter by tag - support both single tag and multiple tags - if (filters.tag) { - if (Array.isArray(filters.tag)) { - tags_1 = filters.tag.map(function (tag) { return tag.toLowerCase(); }); - snippets = snippets.filter(function (s) { var _a; return (_a = s.tags) === null || _a === void 0 ? void 0 : _a.some(function (tag) { return tags_1.includes(tag.toLowerCase()); }); }); - } - else { - tagLower_1 = filters.tag.toLowerCase(); - snippets = snippets.filter(function (s) { var _a; return (_a = s.tags) === null || _a === void 0 ? void 0 : _a.some(function (tag) { return tag.toLowerCase() === tagLower_1; }); }); - } - } - // Filter by favorites - if (filters.favorites) { - snippets = snippets.filter(function (s) { return s.isFavorite; }); - } - // Filter by search term (title, description, code) - if (filters.search) { - searchTerm_1 = filters.search.toLowerCase(); - snippets = snippets.filter(function (s) { - return s.title.toLowerCase().includes(searchTerm_1) || - (s.description && s.description.toLowerCase().includes(searchTerm_1)) || - (s.code && s.code.toLowerCase().includes(searchTerm_1)); - }); - } - } - // Sort by most recently updated - return [2 /*return*/, snippets.sort(function (a, b) { - var dateA = new Date(a.updatedAt).getTime(); - var dateB = new Date(b.updatedAt).getTime(); - return dateB - dateA; - })]; - }); - }); - }; - MemStorage.prototype.getSnippet = function (id) { - return __awaiter(this, void 0, void 0, function () { - return __generator(this, function (_a) { - return [2 /*return*/, this.snippets.get(id)]; - }); - }); - }; - MemStorage.prototype.createSnippet = function (snippet) { - return __awaiter(this, void 0, void 0, function () { - var id, now, newSnippet; - return __generator(this, function (_a) { - id = this.snippetIdCounter++; - now = new Date(); - newSnippet = __assign(__assign({}, snippet), { id: id, createdAt: now, updatedAt: now, viewCount: snippet.viewCount || 0, isFavorite: snippet.isFavorite || false }); - this.snippets.set(id, newSnippet); - return [2 /*return*/, newSnippet]; - }); - }); - }; - MemStorage.prototype.updateSnippet = function (id, snippet) { - return __awaiter(this, void 0, void 0, function () { - var existingSnippet, updatedSnippet; - return __generator(this, function (_a) { - existingSnippet = this.snippets.get(id); - if (!existingSnippet) { - throw new Error("Snippet with id ".concat(id, " not found")); - } - updatedSnippet = __assign(__assign(__assign({}, existingSnippet), snippet), { updatedAt: new Date() }); - this.snippets.set(id, updatedSnippet); - return [2 /*return*/, updatedSnippet]; - }); - }); - }; - MemStorage.prototype.deleteSnippet = function (id) { - return __awaiter(this, void 0, void 0, function () { - var collectionItemsToDelete, _i, collectionItemsToDelete_1, item; - return __generator(this, function (_a) { - collectionItemsToDelete = Array.from(this.collectionItems.values()) - .filter(function (item) { return item.snippetId === id; }); - for (_i = 0, collectionItemsToDelete_1 = collectionItemsToDelete; _i < collectionItemsToDelete_1.length; _i++) { - item = collectionItemsToDelete_1[_i]; - this.collectionItems.delete(item.id); - } - // Delete the snippet - this.snippets.delete(id); - return [2 /*return*/]; - }); - }); - }; - MemStorage.prototype.incrementSnippetViewCount = function (id) { - return __awaiter(this, void 0, void 0, function () { - var snippet, updatedSnippet; - return __generator(this, function (_a) { - snippet = this.snippets.get(id); - if (snippet) { - updatedSnippet = __assign(__assign({}, snippet), { viewCount: snippet.viewCount + 1 }); - this.snippets.set(id, updatedSnippet); - } - return [2 /*return*/]; - }); - }); - }; - MemStorage.prototype.toggleSnippetFavorite = function (id) { - return __awaiter(this, void 0, void 0, function () { - var snippet, updatedSnippet; - return __generator(this, function (_a) { - snippet = this.snippets.get(id); - if (!snippet) { - throw new Error("Snippet with id ".concat(id, " not found")); - } - updatedSnippet = __assign(__assign({}, snippet), { isFavorite: !snippet.isFavorite }); - this.snippets.set(id, updatedSnippet); - return [2 /*return*/, updatedSnippet]; - }); - }); - }; - // Language and tag operations - MemStorage.prototype.getLanguages = function () { - return __awaiter(this, void 0, void 0, function () { - var languages, _i, _a, snippet; - return __generator(this, function (_b) { - languages = new Set(); - for (_i = 0, _a = this.snippets.values(); _i < _a.length; _i++) { - snippet = _a[_i]; - languages.add(snippet.language); - } - return [2 /*return*/, Array.from(languages).sort()]; - }); - }); - }; - MemStorage.prototype.getTags = function () { - return __awaiter(this, void 0, void 0, function () { - var tags, _i, _a, snippet, _b, _c, tag; - return __generator(this, function (_d) { - tags = new Set(); - for (_i = 0, _a = this.snippets.values(); _i < _a.length; _i++) { - snippet = _a[_i]; - if (snippet.tags) { - for (_b = 0, _c = snippet.tags; _b < _c.length; _b++) { - tag = _c[_b]; - tags.add(tag); - } - } - } - return [2 /*return*/, Array.from(tags).sort()]; - }); - }); - }; - // Collection operations - MemStorage.prototype.getCollections = function () { - return __awaiter(this, void 0, void 0, function () { - return __generator(this, function (_a) { - return [2 /*return*/, Array.from(this.collections.values())]; - }); - }); - }; - MemStorage.prototype.getCollection = function (id) { - return __awaiter(this, void 0, void 0, function () { - return __generator(this, function (_a) { - return [2 /*return*/, this.collections.get(id)]; - }); - }); - }; - MemStorage.prototype.createCollection = function (collection) { - return __awaiter(this, void 0, void 0, function () { - var id, now, newCollection; - return __generator(this, function (_a) { - id = this.collectionIdCounter++; - now = new Date(); - newCollection = __assign(__assign({}, collection), { id: id, createdAt: now, updatedAt: now }); - this.collections.set(id, newCollection); - return [2 /*return*/, newCollection]; - }); - }); - }; - MemStorage.prototype.updateCollection = function (id, collection) { - return __awaiter(this, void 0, void 0, function () { - var existingCollection, updatedCollection; - return __generator(this, function (_a) { - existingCollection = this.collections.get(id); - if (!existingCollection) { - throw new Error("Collection with id ".concat(id, " not found")); - } - updatedCollection = __assign(__assign(__assign({}, existingCollection), collection), { updatedAt: new Date() }); - this.collections.set(id, updatedCollection); - return [2 /*return*/, updatedCollection]; - }); - }); - }; - MemStorage.prototype.deleteCollection = function (id) { - return __awaiter(this, void 0, void 0, function () { - var collectionItemsToDelete, _i, collectionItemsToDelete_2, item; - return __generator(this, function (_a) { - collectionItemsToDelete = Array.from(this.collectionItems.values()) - .filter(function (item) { return item.collectionId === id; }); - for (_i = 0, collectionItemsToDelete_2 = collectionItemsToDelete; _i < collectionItemsToDelete_2.length; _i++) { - item = collectionItemsToDelete_2[_i]; - this.collectionItems.delete(item.id); - } - // Delete the collection - this.collections.delete(id); - return [2 /*return*/]; - }); - }); - }; - // Collection items operations - MemStorage.prototype.getCollectionSnippets = function (collectionId) { - return __awaiter(this, void 0, void 0, function () { - var items, snippets, _i, items_1, item, snippet; - return __generator(this, function (_a) { - items = Array.from(this.collectionItems.values()) - .filter(function (item) { return item.collectionId === collectionId; }); - snippets = []; - for (_i = 0, items_1 = items; _i < items_1.length; _i++) { - item = items_1[_i]; - snippet = this.snippets.get(item.snippetId); - if (snippet) { - snippets.push(snippet); - } - } - return [2 /*return*/, snippets]; - }); - }); - }; - MemStorage.prototype.addSnippetToCollection = function (collectionItem) { - return __awaiter(this, void 0, void 0, function () { - var snippet, collection, existingItem, id, now, newItem; - return __generator(this, function (_a) { - snippet = this.snippets.get(collectionItem.snippetId); - collection = this.collections.get(collectionItem.collectionId); - if (!snippet) { - throw new Error("Snippet with id ".concat(collectionItem.snippetId, " not found")); - } - if (!collection) { - throw new Error("Collection with id ".concat(collectionItem.collectionId, " not found")); - } - existingItem = Array.from(this.collectionItems.values()).find(function (item) { return item.collectionId === collectionItem.collectionId && - item.snippetId === collectionItem.snippetId; }); - if (existingItem) { - return [2 /*return*/, existingItem]; - } - id = this.collectionItemIdCounter++; - now = new Date(); - newItem = __assign(__assign({}, collectionItem), { id: id, createdAt: now }); - this.collectionItems.set(id, newItem); - return [2 /*return*/, newItem]; - }); - }); - }; - MemStorage.prototype.removeSnippetFromCollection = function (collectionId, snippetId) { - return __awaiter(this, void 0, void 0, function () { - var item; - return __generator(this, function (_a) { - item = Array.from(this.collectionItems.values()).find(function (item) { return item.collectionId === collectionId && item.snippetId === snippetId; }); - if (item) { - this.collectionItems.delete(item.id); - } - return [2 /*return*/]; - }); - }); - }; - return MemStorage; -}()); -export { MemStorage }; -var DatabaseStorage = /** @class */ (function () { - function DatabaseStorage() { - } - // Sharing operations - DatabaseStorage.prototype.getSnippetByShareId = function (shareId) { - return __awaiter(this, void 0, void 0, function () { - var db, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db.select().from(snippets).where(eq(snippets.shareId, shareId)).limit(1)]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.generateShareId = function (snippetId) { - return __awaiter(this, void 0, void 0, function () { - var db, shareId; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - shareId = Math.random().toString(36).substring(2, 10); - // Update the snippet with the new share ID - return [4 /*yield*/, db - .update(snippets) - .set({ shareId: shareId }) - .where(eq(snippets.id, snippetId))]; - case 2: - // Update the snippet with the new share ID - _a.sent(); - return [2 /*return*/, shareId]; - } - }); - }); - }; - DatabaseStorage.prototype.toggleSnippetPublic = function (snippetId) { - return __awaiter(this, void 0, void 0, function () { - var db, currentSnippet, isPublic, shareId, updatedSnippet; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db - .select() - .from(snippets) - .where(eq(snippets.id, snippetId))]; - case 2: - currentSnippet = (_a.sent())[0]; - if (!currentSnippet) { - throw new Error("Snippet with ID ".concat(snippetId, " not found")); - } - isPublic = !currentSnippet.isPublic; - shareId = currentSnippet.shareId; - if (isPublic && !shareId) { - shareId = Math.random().toString(36).substring(2, 10); - } - return [4 /*yield*/, db - .update(snippets) - .set({ isPublic: isPublic, shareId: shareId }) - .where(eq(snippets.id, snippetId)) - .returning()]; - case 3: - updatedSnippet = (_a.sent())[0]; - return [2 /*return*/, updatedSnippet]; - } - }); - }); - }; - // Comment operations - DatabaseStorage.prototype.getCommentsBySnippetId = function (snippetId) { - return __awaiter(this, void 0, void 0, function () { - var db; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [2 /*return*/, db - .select() - .from(comments) - .where(eq(comments.snippetId, snippetId)) - .orderBy(asc(comments.createdAt))]; - } - }); - }); - }; - DatabaseStorage.prototype.createComment = function (comment) { - return __awaiter(this, void 0, void 0, function () { - var db, newComment; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db - .insert(comments) - .values(comment) - .returning()]; - case 2: - newComment = (_a.sent())[0]; - return [2 /*return*/, newComment]; - } - }); - }); - }; - DatabaseStorage.prototype.updateComment = function (id, comment) { - return __awaiter(this, void 0, void 0, function () { - var db, updatedComment; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db - .update(comments) - .set(__assign(__assign({}, comment), { updatedAt: new Date() })) - .where(eq(comments.id, id)) - .returning()]; - case 2: - updatedComment = (_a.sent())[0]; - if (!updatedComment) { - throw new Error("Comment with ID ".concat(id, " not found")); - } - return [2 /*return*/, updatedComment]; - } - }); - }); - }; - DatabaseStorage.prototype.deleteComment = function (id) { - return __awaiter(this, void 0, void 0, function () { - var db; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db - .delete(comments) - .where(eq(comments.id, id))]; - case 2: - _a.sent(); - return [2 /*return*/]; - } - }); - }); - }; - DatabaseStorage.prototype.getUser = function (id) { - return __awaiter(this, void 0, void 0, function () { - var db, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db.select().from(users).where(eq(users.id, id)).limit(1)]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.getUserByEmail = function (email) { - return __awaiter(this, void 0, void 0, function () { - var db, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db.select().from(users).where(eq(users.email, email)).limit(1)]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.createUser = function (insertUser) { - return __awaiter(this, void 0, void 0, function () { - var db, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db.insert(users).values(insertUser).returning()]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.upsertUser = function (insertUser) { - return __awaiter(this, void 0, void 0, function () { - var db, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db - .insert(users) - .values(insertUser) - .onConflictDoUpdate({ - target: users.id, - set: __assign(__assign({}, insertUser), { updatedAt: new Date() }) - }) - .returning()]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.getSnippets = function (filters) { - return __awaiter(this, void 0, void 0, function () { - var db, query, languageConditions, tagArray; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - query = db.select().from(snippets); - if (filters) { - // Handle language filter (single string or array) - if (filters.language) { - if (Array.isArray(filters.language)) { - languageConditions = filters.language.map(function (lang) { - return eq(snippets.language, lang); - }); - if (languageConditions.length > 0) { - query = query.where(or.apply(void 0, languageConditions)); - } - } - else { - // Single language - query = query.where(eq(snippets.language, filters.language)); - } - } - // Handle search filter - if (filters.search) { - query = query.where(or(ilike(snippets.title, "%".concat(filters.search, "%")), ilike(snippets.description || '', "%".concat(filters.search, "%")), ilike(snippets.code, "%".concat(filters.search, "%")))); - } - // Handle tag filter (single string or array) - if (filters.tag) { - if (Array.isArray(filters.tag)) { - tagArray = filters.tag.map(function (t) { return t.toString(); }); - query = query.where(sql(templateObject_1 || (templateObject_1 = __makeTemplateObject(["", " && ARRAY[", "]::text[]"], ["", " && ARRAY[", "]::text[]"])), snippets.tags, tagArray)); - } - else { - // Single tag using contains operator - query = query.where(sql(templateObject_2 || (templateObject_2 = __makeTemplateObject(["", " @> ARRAY[", "]::text[]"], ["", " @> ARRAY[", "]::text[]"])), snippets.tags, filters.tag)); - } - } - // Handle favorites filter - if (filters.favorites) { - query = query.where(eq(snippets.isFavorite, true)); - } - } - // Order by most recently updated - query = query.orderBy(desc(snippets.updatedAt)); - return [4 /*yield*/, query]; - case 2: return [2 /*return*/, _a.sent()]; - } - }); - }); - }; - DatabaseStorage.prototype.getSnippet = function (id) { - return __awaiter(this, void 0, void 0, function () { - var db, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db.select().from(snippets).where(eq(snippets.id, id)).limit(1)]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.createSnippet = function (snippet) { - return __awaiter(this, void 0, void 0, function () { - var db, now, snippetToInsert, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - now = new Date(); - snippetToInsert = { - title: snippet.title, - code: snippet.code, - language: snippet.language, - description: snippet.description || null, - tags: snippet.tags || null, - userId: snippet.userId || null, - isFavorite: snippet.isFavorite || false, - // These fields are handled automatically by defaults - // createdAt and updatedAt are set by defaultNow() - // viewCount is set by default(0) - }; - return [4 /*yield*/, db.insert(snippets).values(snippetToInsert).returning()]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.updateSnippet = function (id, snippet) { - return __awaiter(this, void 0, void 0, function () { - var db, existingSnippet, updateData, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, this.getSnippet(id)]; - case 2: - existingSnippet = _a.sent(); - if (!existingSnippet) { - throw new Error("Snippet with id ".concat(id, " not found")); - } - updateData = { - title: snippet.title, - code: snippet.code, - language: snippet.language, - description: snippet.description || null, - tags: snippet.tags || null, - userId: snippet.userId || null, - isFavorite: snippet.isFavorite !== undefined ? snippet.isFavorite : existingSnippet.isFavorite, - updatedAt: new Date() - }; - return [4 /*yield*/, db - .update(snippets) - .set(updateData) - .where(eq(snippets.id, id)) - .returning()]; - case 3: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.deleteSnippet = function (id) { - return __awaiter(this, void 0, void 0, function () { - var db, existingSnippet; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, this.getSnippet(id)]; - case 2: - existingSnippet = _a.sent(); - if (!existingSnippet) { - throw new Error("Snippet with id ".concat(id, " not found")); - } - // First delete all collection items that reference this snippet - return [4 /*yield*/, db - .delete(collectionItems) - .where(eq(collectionItems.snippetId, id))]; - case 3: - // First delete all collection items that reference this snippet - _a.sent(); - // Then delete the snippet - return [4 /*yield*/, db - .delete(snippets) - .where(eq(snippets.id, id))]; - case 4: - // Then delete the snippet - _a.sent(); - return [2 /*return*/]; - } - }); - }); - }; - DatabaseStorage.prototype.incrementSnippetViewCount = function (id) { - return __awaiter(this, void 0, void 0, function () { - var db, existingSnippet; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, this.getSnippet(id)]; - case 2: - existingSnippet = _a.sent(); - if (!existingSnippet) { - throw new Error("Snippet with id ".concat(id, " not found")); - } - return [4 /*yield*/, db - .update(snippets) - .set({ - viewCount: sql(templateObject_3 || (templateObject_3 = __makeTemplateObject(["", " + 1"], ["", " + 1"])), snippets.viewCount) - }) - .where(eq(snippets.id, id))]; - case 3: - _a.sent(); - return [2 /*return*/]; - } - }); - }); - }; - DatabaseStorage.prototype.toggleSnippetFavorite = function (id) { - return __awaiter(this, void 0, void 0, function () { - var db, existingSnippet, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, this.getSnippet(id)]; - case 2: - existingSnippet = _a.sent(); - if (!existingSnippet) { - throw new Error("Snippet with id ".concat(id, " not found")); - } - return [4 /*yield*/, db - .update(snippets) - .set({ - isFavorite: !existingSnippet.isFavorite - }) - .where(eq(snippets.id, id)) - .returning()]; - case 3: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.getLanguages = function () { - return __awaiter(this, void 0, void 0, function () { - var db, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db - .selectDistinct({ language: snippets.language }) - .from(snippets)]; - case 2: - result = _a.sent(); - return [2 /*return*/, result.map(function (r) { return r.language; })]; - } - }); - }); - }; - DatabaseStorage.prototype.getTags = function () { - return __awaiter(this, void 0, void 0, function () { - var db, allTags, uniqueTags; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db - .select({ tags: snippets.tags }) - .from(snippets) - .where(isNotNull(snippets.tags))]; - case 2: - allTags = _a.sent(); - uniqueTags = new Set(); - allTags.forEach(function (row) { - if (row.tags) { - row.tags.forEach(function (tag) { return uniqueTags.add(tag); }); - } - }); - return [2 /*return*/, Array.from(uniqueTags)]; - } - }); - }); - }; - DatabaseStorage.prototype.getCollections = function () { - return __awaiter(this, void 0, void 0, function () { - var db; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db.select().from(collections)]; - case 2: return [2 /*return*/, _a.sent()]; - } - }); - }); - }; - DatabaseStorage.prototype.getCollection = function (id) { - return __awaiter(this, void 0, void 0, function () { - var db, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db.select().from(collections).where(eq(collections.id, id)).limit(1)]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.createCollection = function (collection) { - return __awaiter(this, void 0, void 0, function () { - var db, now, collectionWithDefaults, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - now = new Date(); - collectionWithDefaults = __assign(__assign({}, collection), { createdAt: now, updatedAt: now }); - return [4 /*yield*/, db.insert(collections).values(collectionWithDefaults).returning()]; - case 2: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.updateCollection = function (id, collection) { - return __awaiter(this, void 0, void 0, function () { - var db, existingCollection, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, this.getCollection(id)]; - case 2: - existingCollection = _a.sent(); - if (!existingCollection) { - throw new Error("Collection with id ".concat(id, " not found")); - } - return [4 /*yield*/, db - .update(collections) - .set(__assign(__assign({}, collection), { updatedAt: new Date() })) - .where(eq(collections.id, id)) - .returning()]; - case 3: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.deleteCollection = function (id) { - return __awaiter(this, void 0, void 0, function () { - var db, existingCollection; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, this.getCollection(id)]; - case 2: - existingCollection = _a.sent(); - if (!existingCollection) { - throw new Error("Collection with id ".concat(id, " not found")); - } - // First delete all collection items that reference this collection - return [4 /*yield*/, db - .delete(collectionItems) - .where(eq(collectionItems.collectionId, id))]; - case 3: - // First delete all collection items that reference this collection - _a.sent(); - // Then delete the collection - return [4 /*yield*/, db - .delete(collections) - .where(eq(collections.id, id))]; - case 4: - // Then delete the collection - _a.sent(); - return [2 /*return*/]; - } - }); - }); - }; - DatabaseStorage.prototype.getCollectionSnippets = function (collectionId) { - return __awaiter(this, void 0, void 0, function () { - var db, existingCollection, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, this.getCollection(collectionId)]; - case 2: - existingCollection = _a.sent(); - if (!existingCollection) { - throw new Error("Collection with id ".concat(collectionId, " not found")); - } - return [4 /*yield*/, db - .select() - .from(snippets) - .innerJoin(collectionItems, eq(snippets.id, collectionItems.snippetId)) - .where(eq(collectionItems.collectionId, collectionId))]; - case 3: - result = _a.sent(); - return [2 /*return*/, result.map(function (row) { return (__assign({}, row.snippets)); })]; - } - }); - }); - }; - DatabaseStorage.prototype.addSnippetToCollection = function (collectionItem) { - return __awaiter(this, void 0, void 0, function () { - var db, existingCollection, existingSnippet, existing, now, itemWithDefaults, result; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, this.getCollection(collectionItem.collectionId)]; - case 2: - existingCollection = _a.sent(); - if (!existingCollection) { - throw new Error("Collection with id ".concat(collectionItem.collectionId, " not found")); - } - return [4 /*yield*/, this.getSnippet(collectionItem.snippetId)]; - case 3: - existingSnippet = _a.sent(); - if (!existingSnippet) { - throw new Error("Snippet with id ".concat(collectionItem.snippetId, " not found")); - } - return [4 /*yield*/, db - .select() - .from(collectionItems) - .where(and(eq(collectionItems.collectionId, collectionItem.collectionId), eq(collectionItems.snippetId, collectionItem.snippetId))) - .limit(1)]; - case 4: - existing = _a.sent(); - if (existing.length > 0) { - throw new Error("Snippet is already in the collection"); - } - now = new Date(); - itemWithDefaults = __assign(__assign({}, collectionItem), { createdAt: now }); - return [4 /*yield*/, db - .insert(collectionItems) - .values(itemWithDefaults) - .returning()]; - case 5: - result = _a.sent(); - return [2 /*return*/, result[0]]; - } - }); - }); - }; - DatabaseStorage.prototype.removeSnippetFromCollection = function (collectionId, snippetId) { - return __awaiter(this, void 0, void 0, function () { - var db, existing; - return __generator(this, function (_a) { - switch (_a.label) { - case 0: return [4 /*yield*/, import('./db')]; - case 1: - db = (_a.sent()).db; - return [4 /*yield*/, db - .select() - .from(collectionItems) - .where(and(eq(collectionItems.collectionId, collectionId), eq(collectionItems.snippetId, snippetId))) - .limit(1)]; - case 2: - existing = _a.sent(); - if (existing.length === 0) { - throw new Error("Snippet is not in the collection"); - } - return [4 /*yield*/, db - .delete(collectionItems) - .where(and(eq(collectionItems.collectionId, collectionId), eq(collectionItems.snippetId, snippetId)))]; - case 3: - _a.sent(); - return [2 /*return*/]; - } - }); - }); - }; - return DatabaseStorage; -}()); -export { DatabaseStorage }; -// Create an instance of DatabaseStorage to use throughout the application -// Using in-memory storage for now until database issues are resolved -// Switch to database storage for persistent data -export var storage = new DatabaseStorage(); -var templateObject_1, templateObject_2, templateObject_3; diff --git a/server/test-db.js b/server/test-db.js deleted file mode 100644 index 29e911e..0000000 --- a/server/test-db.js +++ /dev/null @@ -1,86 +0,0 @@ -import 'dotenv/config'; -import pg from 'pg'; -const { Pool } = pg; - -const connectionString = process.env.DATABASE_URL || 'postgresql://codepatchwork_user:1S1HwpTVdmilD8tNeGmI@localhost:5432/codepatchwork'; -console.log("Using connection string:", connectionString.replace(/:[^:]*@/, ':***@')); // Hide password in logs - -const pool = new Pool({ connectionString }); - -async function testDatabase() { - console.log("Testing database connection..."); - let client; - - try { - client = await pool.connect(); - console.log("✅ Successfully connected to database!"); - - // Basic query test - const timeResult = await client.query('SELECT NOW() as time'); - console.log("✅ Database time:", timeResult.rows[0].time); - - // List tables - const tablesResult = await client.query(` - SELECT table_name - FROM information_schema.tables - WHERE table_schema = 'public' - `); - - console.log("\nTables in database:"); - if (tablesResult.rows.length === 0) { - console.log("❌ No tables found in public schema!"); - } else { - tablesResult.rows.forEach(row => { - console.log(`- ${row.table_name}`); - }); - } - - // Try queries on specific tables - try { - const snippetsResult = await client.query('SELECT COUNT(*) FROM snippets'); - console.log(`✅ Found ${snippetsResult.rows[0].count} records in snippets table`); - } catch (e) { - console.log(`❌ Error querying snippets table: ${e.message}`); - } - - try { - const tagsResult = await client.query('SELECT COUNT(*) FROM tags'); - console.log(`✅ Found ${tagsResult.rows[0].count} records in tags table`); - } catch (e) { - console.log(`❌ Error querying tags table: ${e.message}`); - } - - try { - const collectionsResult = await client.query('SELECT COUNT(*) FROM collections'); - console.log(`✅ Found ${collectionsResult.rows[0].count} records in collections table`); - } catch (e) { - console.log(`❌ Error querying collections table: ${e.message}`); - } - - // Check users table - try { - const usersResult = await client.query('SELECT COUNT(*) FROM users'); - console.log(`✅ Found ${usersResult.rows[0].count} records in users table`); - - if (usersResult.rows[0].count > 0) { - // Check column types for the first user - const userColumns = await client.query('SELECT * FROM users LIMIT 1'); - console.log("\nUser table structure:"); - Object.entries(userColumns.rows[0]).forEach(([key, value]) => { - console.log(`- ${key}: ${typeof value} (${value === null ? 'null' : value})`); - }); - } - } catch (e) { - console.log(`❌ Error querying users table: ${e.message}`); - } - - } catch (connectionError) { - console.error("❌ Failed to connect to database:", connectionError); - } finally { - if (client) client.release(); - await pool.end(); - } -} - -// Run the test -testDatabase(); diff --git a/test_db_connection.js b/test_db_connection.js deleted file mode 100644 index 831ca57..0000000 --- a/test_db_connection.js +++ /dev/null @@ -1,34 +0,0 @@ -const { Pool } = require('pg'); - -// Use the same connection string as your application -const pool = new Pool({ - connectionString: 'postgresql://codepatchwork_user:1S1HwpTVdmilD8tNeGmI@localhost:5432/codepatchwork' -}); - -async function testConnection() { - try { - // Test basic connection - const client = await pool.connect(); - console.log('Successfully connected to the database'); - - // Test querying the snippets table - const snippetsResult = await client.query('SELECT COUNT(*) FROM snippets'); - console.log('Snippets count:', snippetsResult.rows[0].count); - - // Test querying the tags table - const tagsResult = await client.query('SELECT COUNT(*) FROM tags'); - console.log('Tags count:', tagsResult.rows[0].count); - - // Test querying the collections table - const collectionsResult = await client.query('SELECT COUNT(*) FROM collections'); - console.log('Collections count:', collectionsResult.rows[0].count); - - client.release(); - } catch (error) { - console.error('Database connection error:', error); - } finally { - pool.end(); - } -} - -testConnection(); diff --git a/test_db_lowercase.js b/test_db_lowercase.js deleted file mode 100644 index a2dd4d9..0000000 --- a/test_db_lowercase.js +++ /dev/null @@ -1,46 +0,0 @@ -// Direct database test with lowercase column names -import pg from 'pg'; -const { Pool } = pg; - -const pool = new Pool({ - connectionString: 'postgres://codepatchwork_user:1S1HwpTVdmilD8tNeGmI@localhost:5432/codepatchwork' -}); - -async function testLowercaseQueries() { - const client = await pool.connect(); - try { - console.log('Connected to database successfully'); - - // Test snippets table with lowercase column names - console.log('Testing snippets table:'); - const snippetsResult = await client.query('SELECT COUNT(*) FROM snippets'); - console.log(`- Found ${snippetsResult.rows[0].count} snippets`); - - const snippetsSample = await client.query('SELECT id, title, language, userid, createdat, updatedat FROM snippets LIMIT 3'); - console.log('- Sample snippets:', JSON.stringify(snippetsSample.rows, null, 2)); - - // Test collectionItems table - console.log('\nTesting collectionItems table:'); - try { - const collectionItemsResult = await client.query('SELECT COUNT(*) FROM "collectionItems"'); - console.log(`- Found ${collectionItemsResult.rows[0].count} collection items`); - - const columnInfo = await client.query(` - SELECT column_name, data_type - FROM information_schema.columns - WHERE table_name = 'collectionItems' - `); - console.log('- Column information:', columnInfo.rows); - } catch (err) { - console.error('- Error testing collectionItems:', err.message); - } - - } catch (err) { - console.error('Database test error:', err); - } finally { - client.release(); - await pool.end(); - } -} - -testLowercaseQueries(); diff --git a/test_db_simple.js b/test_db_simple.js deleted file mode 100644 index 62f3a59..0000000 --- a/test_db_simple.js +++ /dev/null @@ -1,27 +0,0 @@ -import dotenv from 'dotenv'; -import pg from 'pg'; - -dotenv.config(); -const { Pool } = pg; - -console.log('DATABASE_URL from env:', process.env.DATABASE_URL); - -const pool = new Pool({ - connectionString: process.env.DATABASE_URL -}); - -async function test() { - try { - const client = await pool.connect(); - console.log('Successfully connected to the database!'); - const result = await client.query('SELECT COUNT(*) FROM snippets'); - console.log('Snippets count:', result.rows[0].count); - client.release(); - } catch (error) { - console.error('Error connecting to database:', error); - } finally { - await pool.end(); - } -} - -test(); diff --git a/test_dump.sql b/test_dump.sql deleted file mode 100644 index 3d08e6c..0000000 --- a/test_dump.sql +++ /dev/null @@ -1,595 +0,0 @@ --- --- PostgreSQL database dump --- - --- Dumped from database version 17.5 (Ubuntu 17.5-0ubuntu0.25.04.1) --- Dumped by pg_dump version 17.5 (Ubuntu 17.5-0ubuntu0.25.04.1) - -SET statement_timeout = 0; -SET lock_timeout = 0; -SET idle_in_transaction_session_timeout = 0; -SET transaction_timeout = 0; -SET client_encoding = 'UTF8'; -SET standard_conforming_strings = on; -SELECT pg_catalog.set_config('search_path', '', false); -SET check_function_bodies = false; -SET xmloption = content; -SET client_min_messages = warning; -SET row_security = off; - -SET default_tablespace = ''; - -SET default_table_access_method = heap; - --- --- Name: collectionItems; Type: TABLE; Schema: public; Owner: codepatchwork_user --- - -CREATE TABLE public."collectionItems" ( - id integer NOT NULL, - collectionid integer NOT NULL, - snippetid integer NOT NULL, - createdat timestamp with time zone DEFAULT CURRENT_TIMESTAMP -); - - -ALTER TABLE public."collectionItems" OWNER TO codepatchwork_user; - --- --- Name: collectionItems_id_seq; Type: SEQUENCE; Schema: public; Owner: codepatchwork_user --- - -CREATE SEQUENCE public."collectionItems_id_seq" - AS integer - START WITH 1 - INCREMENT BY 1 - NO MINVALUE - NO MAXVALUE - CACHE 1; - - -ALTER SEQUENCE public."collectionItems_id_seq" OWNER TO codepatchwork_user; - --- --- Name: collectionItems_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: codepatchwork_user --- - -ALTER SEQUENCE public."collectionItems_id_seq" OWNED BY public."collectionItems".id; - - --- --- Name: collections; Type: TABLE; Schema: public; Owner: codepatchwork_user --- - -CREATE TABLE public.collections ( - id integer NOT NULL, - name character varying NOT NULL, - description text, - userid character varying, - createdat timestamp with time zone DEFAULT CURRENT_TIMESTAMP, - updatedat timestamp with time zone DEFAULT CURRENT_TIMESTAMP -); - - -ALTER TABLE public.collections OWNER TO codepatchwork_user; - --- --- Name: collections_id_seq; Type: SEQUENCE; Schema: public; Owner: codepatchwork_user --- - -CREATE SEQUENCE public.collections_id_seq - AS integer - START WITH 1 - INCREMENT BY 1 - NO MINVALUE - NO MAXVALUE - CACHE 1; - - -ALTER SEQUENCE public.collections_id_seq OWNER TO codepatchwork_user; - --- --- Name: collections_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: codepatchwork_user --- - -ALTER SEQUENCE public.collections_id_seq OWNED BY public.collections.id; - - --- --- Name: comments; Type: TABLE; Schema: public; Owner: codepatchwork_user --- - -CREATE TABLE public.comments ( - id integer NOT NULL, - snippetid integer NOT NULL, - userid character varying, - content text NOT NULL, - createdat timestamp with time zone DEFAULT CURRENT_TIMESTAMP, - updatedat timestamp with time zone DEFAULT CURRENT_TIMESTAMP -); - - -ALTER TABLE public.comments OWNER TO codepatchwork_user; - --- --- Name: comments_id_seq; Type: SEQUENCE; Schema: public; Owner: codepatchwork_user --- - -CREATE SEQUENCE public.comments_id_seq - AS integer - START WITH 1 - INCREMENT BY 1 - NO MINVALUE - NO MAXVALUE - CACHE 1; - - -ALTER SEQUENCE public.comments_id_seq OWNER TO codepatchwork_user; - --- --- Name: comments_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: codepatchwork_user --- - -ALTER SEQUENCE public.comments_id_seq OWNED BY public.comments.id; - - --- --- Name: sessions; Type: TABLE; Schema: public; Owner: codepatchwork_user --- - -CREATE TABLE public.sessions ( - sid character varying NOT NULL, - sess jsonb NOT NULL, - expire timestamp without time zone NOT NULL -); - - -ALTER TABLE public.sessions OWNER TO codepatchwork_user; - --- --- Name: snippets; Type: TABLE; Schema: public; Owner: codepatchwork_user --- - -CREATE TABLE public.snippets ( - id integer NOT NULL, - title character varying NOT NULL, - description text, - code text NOT NULL, - language character varying, - tags text[], - userid character varying, - createdat timestamp with time zone DEFAULT CURRENT_TIMESTAMP, - updatedat timestamp with time zone DEFAULT CURRENT_TIMESTAMP, - viewcount integer DEFAULT 0, - isfavorite boolean DEFAULT false, - shareid character varying, - ispublic boolean DEFAULT false -); - - -ALTER TABLE public.snippets OWNER TO codepatchwork_user; - --- --- Name: snippets_id_seq; Type: SEQUENCE; Schema: public; Owner: codepatchwork_user --- - -CREATE SEQUENCE public.snippets_id_seq - AS integer - START WITH 1 - INCREMENT BY 1 - NO MINVALUE - NO MAXVALUE - CACHE 1; - - -ALTER SEQUENCE public.snippets_id_seq OWNER TO codepatchwork_user; - --- --- Name: snippets_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: codepatchwork_user --- - -ALTER SEQUENCE public.snippets_id_seq OWNED BY public.snippets.id; - - --- --- Name: tags; Type: TABLE; Schema: public; Owner: codepatchwork_user --- - -CREATE TABLE public.tags ( - id integer NOT NULL, - name character varying NOT NULL, - count integer DEFAULT 1 -); - - -ALTER TABLE public.tags OWNER TO codepatchwork_user; - --- --- Name: tags_id_seq; Type: SEQUENCE; Schema: public; Owner: codepatchwork_user --- - -CREATE SEQUENCE public.tags_id_seq - AS integer - START WITH 1 - INCREMENT BY 1 - NO MINVALUE - NO MAXVALUE - CACHE 1; - - -ALTER SEQUENCE public.tags_id_seq OWNER TO codepatchwork_user; - --- --- Name: tags_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: codepatchwork_user --- - -ALTER SEQUENCE public.tags_id_seq OWNED BY public.tags.id; - - --- --- Name: users; Type: TABLE; Schema: public; Owner: codepatchwork_user --- - -CREATE TABLE public.users ( - id text NOT NULL, - email character varying, - display_name character varying, - photo_url character varying, - created_at timestamp with time zone DEFAULT CURRENT_TIMESTAMP, - updated_at timestamp with time zone DEFAULT CURRENT_TIMESTAMP -); - - -ALTER TABLE public.users OWNER TO codepatchwork_user; - --- --- Name: collectionItems id; Type: DEFAULT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public."collectionItems" ALTER COLUMN id SET DEFAULT nextval('public."collectionItems_id_seq"'::regclass); - - --- --- Name: collections id; Type: DEFAULT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.collections ALTER COLUMN id SET DEFAULT nextval('public.collections_id_seq'::regclass); - - --- --- Name: comments id; Type: DEFAULT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.comments ALTER COLUMN id SET DEFAULT nextval('public.comments_id_seq'::regclass); - - --- --- Name: snippets id; Type: DEFAULT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.snippets ALTER COLUMN id SET DEFAULT nextval('public.snippets_id_seq'::regclass); - - --- --- Name: tags id; Type: DEFAULT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.tags ALTER COLUMN id SET DEFAULT nextval('public.tags_id_seq'::regclass); - - --- --- Data for Name: collectionItems; Type: TABLE DATA; Schema: public; Owner: codepatchwork_user --- - -COPY public."collectionItems" (id, collectionid, snippetid, createdat) FROM stdin; -\. - - --- --- Data for Name: collections; Type: TABLE DATA; Schema: public; Owner: codepatchwork_user --- - -COPY public.collections (id, name, description, userid, createdat, updatedat) FROM stdin; -\. - - --- --- Data for Name: comments; Type: TABLE DATA; Schema: public; Owner: codepatchwork_user --- - -COPY public.comments (id, snippetid, userid, content, createdat, updatedat) FROM stdin; -\. - - --- --- Data for Name: sessions; Type: TABLE DATA; Schema: public; Owner: codepatchwork_user --- - -COPY public.sessions (sid, sess, expire) FROM stdin; -\. - - --- --- Data for Name: snippets; Type: TABLE DATA; Schema: public; Owner: codepatchwork_user --- - -COPY public.snippets (id, title, description, code, language, tags, userid, createdat, updatedat, viewcount, isfavorite, shareid, ispublic) FROM stdin; -1000 Test Direct Insert Testing direct database insertion console.log("Hello from direct insert"); javascript {test,direct-insert} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-21 08:32:36.923858+08 2025-05-21 08:32:36.923858+08 0 f \N f -1001 Auto ID Test Testing auto increment after sequence reset console.log("Testing auto ID assignment"); javascript {test,sequence} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-21 08:34:12.519156+08 2025-05-21 08:34:12.519156+08 0 f \N f -1039 Delete File Deletes a file from the file system. File f = new File("delete_me.txt");\nf.delete(); java {file,delete,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.283129+08 2025-05-23 07:59:25.283129+08 0 f \N f -1040 Platform-Independent Path Separator Constructs a path string using the OS-specific separator. String path = "folder" + File.separator + "file.txt"; java {file,separator,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.284554+08 2025-05-23 07:59:25.284554+08 0 f \N f -1041 Read Binary File Reads a binary file byte-by-byte using FileInputStream. FileInputStream fis = new FileInputStream("binary.dat");\nint b;\nwhile ((b = fis.read()) != -1) {\n System.out.print((char) b);\n}\nfis.close(); java {filestream,binary,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.285917+08 2025-05-23 07:59:25.285917+08 0 f \N f -1005 Java Deep Clone Example Illustrates how to perform a deep clone of an object using the Cloneable interface class Address implements Cloneable {\n String city;\n\n Address(String city) {\n this.city = city;\n }\n\n @Override\n protected Object clone() throws CloneNotSupportedException {\n return new Address(this.city);\n }\n}\n\nclass Person implements Cloneable {\n String name;\n Address address;\n\n Person(String name, Address address) {\n this.name = name;\n this.address = address;\n }\n\n @Override\n protected Object clone() throws CloneNotSupportedException {\n Person cloned = (Person) super.clone();\n cloned.address = (Address) address.clone(); // Deep copy\n return cloned;\n }\n\n public static void main(String[] args) throws CloneNotSupportedException {\n Address addr = new Address("Berlin");\n Person original = new Person("Alice", addr);\n Person clone = (Person) original.clone();\n\n clone.address.city = "Munich";\n\n System.out.println("Original city: " + original.address.city);\n System.out.println("Cloned city: " + clone.address.city);\n }\n} java {java,clone,deepcopy,object,oop} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-21 15:39:34.60282+08 2025-05-21 15:39:34.60282+08 0 f \N f -1006 Java Stream API Filter and Map Example showing how to filter a list and transform its elements using Java Stream API. import java.util.Arrays;\\nimport java.util.List;\\nimport java.util.stream.Collectors;\\n\\npublic class StreamExample {\\n public static void main(String[] args) {\\n List names = Arrays.asList(\\"John\\", \\"Jane\\", \\"Adam\\", \\"Alice\\", \\"Bob\\");\\n \\n // Filter names starting with 'A' and convert to uppercase\\n List filteredNames = names.stream()\\n .filter(name -> name.startsWith(\\"A\\"))\\n .map(String::toUpperCase)\\n .collect(Collectors.toList());\\n \\n // Print the result\\n System.out.println(\\"Names starting with 'A': \\" + filteredNames);\\n }\\n} java {java,streams,functional} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-21 17:13:44.708085+08 2025-05-21 17:13:44.708085+08 0 f \N f -1042 Write Binary File Writes bytes to a binary file using FileOutputStream. FileOutputStream fos = new FileOutputStream("output.bin");\nfos.write(new byte[]{65, 66, 67});\nfos.close(); java {filestream,binary,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.287262+08 2025-05-23 07:59:25.287262+08 0 f \N f -1012 Using HashSet Shows how duplicates are not allowed in a HashSet. HashSet set = new HashSet<>();\nset.add(1);\nset.add(2);\nset.add(1);\nSystem.out.println(set); java {hashset,sets,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.209795+08 2025-05-23 07:57:33.209795+08 0 f \N f -1013 TreeSet Sorted Order Inserts values in a TreeSet to show automatic sorting. TreeSet ts = new TreeSet<>();\nts.add("banana");\nts.add("apple");\nSystem.out.println(ts); java {treeset,sets,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.211336+08 2025-05-23 07:57:33.211336+08 0 f \N f -1043 Buffered Writer Example Writes a line using BufferedWriter to optimize IO. BufferedWriter bw = new BufferedWriter(new FileWriter("buffered.txt"));\nbw.write("Buffered line");\nbw.newLine();\nbw.close(); java {file,bufferedwriter,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.288681+08 2025-05-23 07:59:25.288681+08 0 f \N f -1044 Buffered Reader Example Reads a single line using BufferedReader. BufferedReader br = new BufferedReader(new FileReader("buffered.txt"));\nSystem.out.println(br.readLine());\nbr.close(); java {file,bufferedreader,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.290035+08 2025-05-23 07:59:25.290035+08 0 f \N f -1045 Compress File with GZIP Compresses a string to a .gz file using GZIPOutputStream. GZIPOutputStream gos = new GZIPOutputStream(new FileOutputStream("file.gz"));\ngos.write("Hello".getBytes());\ngos.close(); java {gzip,compress,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.291382+08 2025-05-23 07:59:25.291382+08 0 f \N f -1046 Decompress GZIP File Reads and decompresses a .gz file using GZIPInputStream. GZIPInputStream gis = new GZIPInputStream(new FileInputStream("file.gz"));\nint data;\nwhile ((data = gis.read()) != -1) {\n System.out.print((char) data);\n}\ngis.close(); java {gzip,decompress,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.292737+08 2025-05-23 07:59:25.292737+08 0 f \N f -1047 Try-with-Resources for File Handling Uses try-with-resources for automatic closing of streams. try (BufferedReader br = new BufferedReader(new FileReader("sample.txt"))) {\n System.out.println(br.readLine());\n} catch (IOException e) {\n e.printStackTrace();\n} java {try,resources,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.294059+08 2025-05-23 08:00:18.490287+08 0 t \N f -1074 Replace Characters Replaces underscores with spaces in a string. String cleaned = "Hello_World".replace('_', ' '); java {string,replace,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.425456+08 2025-05-23 08:16:44.425456+08 0 f \N f -1075 Compare Strings (Case-Insensitive) Compares two strings ignoring case. System.out.println("hello".equalsIgnoreCase("HELLO")); java {string,compare,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.426905+08 2025-05-23 08:16:44.426905+08 0 f \N f -1076 Split CSV Line Splits a CSV line into an array of values. String line = ""Apple","Banana","Cherry"";\nString[] fruits = line.replaceAll("\\"", "").split(","); java {string,split,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.428456+08 2025-05-23 08:16:44.428456+08 0 f \N f -1 React useLocalStorage Hook Custom React hook to persist state in localStorage with type safety. import { useState, useEffect } from 'react';\\n\\nfunction useLocalStorage(\\n key: string, \\n initialValue: T\\n): [T, (value: T) => void] {\\n // Get stored value\\n const readValue = (): T => {\\n if (typeof window === 'undefined') {\\n return initialValue;\\n }\\n try {\\n const item = window.localStorage.getItem(key);\\n return item ? JSON.parse(item) : initialValue;\\n } catch (error) {\\n console.warn('Error reading localStorage key', error);\\n return initialValue;\\n }\\n };\\n \\n const [storedValue, setStoredValue] = useState(readValue);\\n \\n // Return a wrapped version of useState's setter\\n const setValue = (value: T) => {\\n try {\\n // Save state\\n setStoredValue(value);\\n // Save to localStorage\\n window.localStorage.setItem(key, JSON.stringify(value));\\n } catch (error) {\\n console.warn('Error setting localStorage key', error);\\n }\\n };\\n\\n useEffect(() => {\\n setStoredValue(readValue());\\n // eslint-disable-next-line react-hooks/exhaustive-deps\\n }, []);\\n\\n return [storedValue, setValue];\\n} tsx {react,hooks,typescript} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-16 16:51:32.268+08 2025-05-16 16:51:32.268+08 12 f \N f -2 Python Decorator for Timing A simple Python decorator to measure and log function execution time. import time\\nimport functools\\nimport logging\\n\\ndef timer(func):\\n \\"\\"\\"Print the runtime of the decorated function\\"\\"\\"\\n @functools.wraps(func)\\n def wrapper_timer(*args, **kwargs):\\n start_time = time.perf_counter()\\n value = func(*args, **kwargs)\\n end_time = time.perf_counter()\\n run_time = end_time - start_time\\n logging.info(f\\"Completed {func.__name__!r} in {run_time:.4f} secs\\")\\n return value\\n return wrapper_timer\\n\\n# Example usage\\n@timer\\ndef waste_some_time(num_times):\\n for _ in range(num_times):\\n sum([i**2 for i in range(10000)])\\n \\n# Call it\\nwaste_some_time(100) python {python,decorators,performance} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-16 16:51:32.268+08 2025-05-16 16:51:32.268+08 24 f \N f -3 CSS Grid Layout Template Responsive grid layout with areas for header, sidebar, content and footer. .grid-container {\\n display: grid;\\n grid-template-columns: repeat(12, 1fr);\\n grid-template-rows: auto 1fr auto;\\n grid-template-areas:\\n \\"h h h h h h h h h h h h\\"\\n \\"s s c c c c c c c c c c\\"\\n \\"f f f f f f f f f f f f\\";\\n min-height: 100vh;\\n gap: 1rem;\\n}\\n\\n.header { grid-area: h; }\\n.sidebar { grid-area: s; }\\n.content { grid-area: c; }\\n.footer { grid-area: f; }\\n\\n/* Tablet layout */\\n@media (max-width: 992px) {\\n .grid-container {\\n grid-template-areas:\\n \\"h h h h h h h h h h h h\\"\\n \\"s s s s c c c c c c c c\\"\\n \\"f f f f f f f f f f f f\\";\\n }\\n}\\n\\n/* Mobile layout */\\n@media (max-width: 768px) {\\n .grid-container {\\n grid-template-areas:\\n \\"h h h h h h h h h h h h\\"\\n \\"c c c c c c c c c c c c\\"\\n \\"s s s s s s s s s s s s\\"\\n \\"f f f f f f f f f f f f\\";\\n }\\n} css {css,grid,responsive} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-16 16:51:32.268+08 2025-05-16 16:51:32.268+08 41 t \N f -1008 Create and Access Array Initializes a simple integer array and accesses the second element. int[] numbers = {10, 20, 30};\nSystem.out.println(numbers[1]); java {arrays,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.201856+08 2025-05-23 07:57:33.201856+08 0 f \N f -1009 Iterate Array with For Loop Uses a standard for loop to iterate through an array. for (int i = 0; i < numbers.length; i++) {\n System.out.println(numbers[i]);\n} java {arrays,loops,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.20457+08 2025-05-23 07:57:33.20457+08 0 f \N f -1010 ArrayList Basic Operations Creates an ArrayList, adds elements, and accesses the first item. ArrayList list = new ArrayList<>();\nlist.add("Apple");\nlist.add("Banana");\nSystem.out.println(list.get(0)); java {arraylist,lists,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.20612+08 2025-05-23 07:57:33.20612+08 0 f \N f -1011 LinkedList as List Demonstrates a LinkedList used as a list. LinkedList cities = new LinkedList<>();\ncities.add("Berlin");\ncities.add("Munich"); java {linkedlist,lists,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.208232+08 2025-05-23 07:57:33.208232+08 0 f \N f -1014 HashMap Key-Value Store Stores key-value pairs and retrieves a value using a key. HashMap scores = new HashMap<>();\nscores.put("Alice", 90);\nscores.put("Bob", 80);\nSystem.out.println(scores.get("Alice")); java {hashmap,maps,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.212849+08 2025-05-23 07:57:33.212849+08 0 f \N f -1015 TreeMap Sorted Keys TreeMap automatically sorts keys. TreeMap map = new TreeMap<>();\nmap.put(2, "B");\nmap.put(1, "A");\nSystem.out.println(map); java {treemap,maps,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.214931+08 2025-05-23 07:57:33.214931+08 0 f \N f -1016 Stack Push and Pop Simulates a stack with push and pop using ArrayDeque. Deque stack = new ArrayDeque<>();\nstack.push(10);\nstack.push(20);\nSystem.out.println(stack.pop()); java {stack,deque,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.216362+08 2025-05-23 07:57:33.216362+08 0 f \N f -1017 Queue Operations Shows basic FIFO queue behavior using LinkedList. Queue queue = new LinkedList<>();\nqueue.add("first");\nqueue.add("second");\nSystem.out.println(queue.remove()); java {queue,linkedlist,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.219071+08 2025-05-23 07:57:33.219071+08 0 f \N f -1018 Iterator Example Demonstrates use of an Iterator on a List. Iterator it = list.iterator();\nwhile(it.hasNext()) {\n System.out.println(it.next());\n} java {iterator,collections,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.220773+08 2025-05-23 07:57:33.220773+08 0 f \N f -1019 Extended For Loop Uses enhanced for loop to iterate over a collection. for(String item : list) {\n System.out.println(item);\n} java {for-each,loop,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.222278+08 2025-05-23 07:57:33.222278+08 0 f \N f -1020 Set Operations Performs set intersection using retainAll. Set set1 = new HashSet<>(List.of("a", "b"));\nSet set2 = new HashSet<>(List.of("b", "c"));\nset1.retainAll(set2);\nSystem.out.println(set1); java {sets,hashset,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.223735+08 2025-05-23 07:57:33.223735+08 0 f \N f -1021 Map Entry Iteration Iterates through a map’s key-value pairs. for (Map.Entry entry : scores.entrySet()) {\n System.out.println(entry.getKey() + ": " + entry.getValue());\n} java {map,iteration,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.225182+08 2025-05-23 07:57:33.225182+08 0 f \N f -1022 Multi-dimensional Array Accesses an element from a 2D array. int[][] matrix = {{1, 2}, {3, 4}};\nSystem.out.println(matrix[1][0]); java {array,2d,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.226667+08 2025-05-23 07:57:33.226667+08 0 f \N f -1023 Check if Collection is Empty Checks whether a collection is empty using isEmpty(). if (list.isEmpty()) {\n System.out.println("List is empty");\n} java {collections,check,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.22807+08 2025-05-23 07:57:33.22807+08 0 f \N f -1024 Map Default Value Uses getOrDefault to avoid null for missing keys. int value = scores.getOrDefault("Carol", 0);\nSystem.out.println(value); java {map,default,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.229462+08 2025-05-23 07:57:33.229462+08 0 f \N f -1025 Deque as Queue Uses offer and poll to simulate queue operations with Deque. Deque deque = new ArrayDeque<>();\ndeque.offer("first");\ndeque.offer("second");\nSystem.out.println(deque.poll()); java {queue,deque,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.231046+08 2025-05-23 07:57:33.231046+08 0 f \N f -1026 Remove from List by Index Removes an element at index 1 from a list. list.remove(1); java {list,remove,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.232745+08 2025-05-23 07:57:33.232745+08 0 f \N f -1027 Check Set Contains Element Checks if a set contains a specific element. System.out.println(set.contains("banana")); java {set,contains,unit4} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:57:33.234356+08 2025-05-23 07:57:33.234356+08 0 f \N f -1028 Check File Exists Checks if the file 'data.txt' exists in the current directory. File file = new File("data.txt");\nSystem.out.println(file.exists()); java {file,check,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.264632+08 2025-05-23 07:59:25.264632+08 0 f \N f -1029 Create New Directory Creates a single new directory named 'mydir'. File dir = new File("mydir");\ndir.mkdir(); java {file,directory,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.266643+08 2025-05-23 07:59:25.266643+08 0 f \N f -1030 Create Nested Directories Creates a nested directory structure. File dirs = new File("a/b/c");\ndirs.mkdirs(); java {file,mkdirs,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.26815+08 2025-05-23 07:59:25.26815+08 0 f \N f -1031 List Files in Directory Lists all files and folders in the current directory. File folder = new File(".");\nFile[] files = folder.listFiles();\nfor (File f : files) {\n System.out.println(f.getName());\n} java {file,list,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.269618+08 2025-05-23 07:59:25.269618+08 0 f \N f -1032 Rename or Move File Renames or moves a file using renameTo(). File oldFile = new File("old.txt");\nFile newFile = new File("new.txt");\noldFile.renameTo(newFile); java {file,rename,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.271116+08 2025-05-23 07:59:25.271116+08 0 f \N f -1033 Write to File Writes a string to a file using FileWriter. FileWriter writer = new FileWriter("output.txt");\nwriter.write("Hello, file!");\nwriter.close(); java {filewriter,write,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.27261+08 2025-05-23 07:59:25.27261+08 0 f \N f -1034 Read Text File Line-by-Line Reads each line of a text file using BufferedReader. BufferedReader reader = new BufferedReader(new FileReader("input.txt"));\nString line;\nwhile ((line = reader.readLine()) != null) {\n System.out.println(line);\n}\nreader.close(); java {filereader,read,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.275448+08 2025-05-23 07:59:25.275448+08 0 f \N f -1035 Copy File Content Copies text from one file to another line-by-line. BufferedReader in = new BufferedReader(new FileReader("input.txt"));\nBufferedWriter out = new BufferedWriter(new FileWriter("copy.txt"));\nString line;\nwhile ((line = in.readLine()) != null) {\n out.write(line);\n out.newLine();\n}\nin.close();\nout.close(); java {file,copy,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.277375+08 2025-05-23 07:59:25.277375+08 0 f \N f -1036 Check if File is Directory Checks whether the file object points to a directory. File f = new File("mydir");\nSystem.out.println(f.isDirectory()); java {file,isDirectory,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.278943+08 2025-05-23 07:59:25.278943+08 0 f \N f -1037 Get File Size Returns the size of a file in bytes. File f = new File("example.txt");\nSystem.out.println(f.length() + " bytes"); java {file,size,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.280375+08 2025-05-23 07:59:25.280375+08 0 f \N f -1038 Check File Permissions Checks if a file is readable and writable. File f = new File("test.txt");\nSystem.out.println(f.canRead());\nSystem.out.println(f.canWrite()); java {file,permissions,unit6} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 07:59:25.281767+08 2025-05-23 07:59:25.281767+08 0 f \N f -1048 Override toString() Method Overrides the toString() method to customize object output. public class Book {\n String title = "Java";\n public String toString() {\n return "Book Title: " + title;\n }\n} java {object,tostring,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.321338+08 2025-05-23 08:16:03.321338+08 0 f \N f -1049 Use toString() Implicitly Demonstrates implicit toString() call when printing an object. Book b = new Book();\nSystem.out.println(b); java {object,tostring,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.324601+08 2025-05-23 08:16:03.324601+08 0 f \N f -1050 Compare with == (Identity) Compares object references with == (should return false). String a = new String("Hello");\nString b = new String("Hello");\nSystem.out.println(a == b); java {object,compare,identity,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.326059+08 2025-05-23 08:16:03.326059+08 0 f \N f -1051 Compare with equals() Compares object content using equals() (should return true). System.out.println(a.equals(b)); java {object,equals,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.327431+08 2025-05-23 08:16:03.327431+08 0 f \N f -1052 Override equals() Method Custom equals method comparing content. public boolean equals(Object obj) {\n if (this == obj) return true;\n if (!(obj instanceof Book)) return false;\n Book b = (Book) obj;\n return this.title.equals(b.title);\n} java {object,equals,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.328735+08 2025-05-23 08:16:03.328735+08 0 f \N f -1053 Override hashCode() Method Generates hashCode aligned with equals(). public int hashCode() {\n return title.hashCode();\n} java {object,hashcode,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.330068+08 2025-05-23 08:16:03.330068+08 0 f \N f -1054 Compare Objects with hashCode() Prints hash codes to check object identity via content. System.out.println(a.hashCode());\nSystem.out.println(b.hashCode()); java {object,hashcode,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.331346+08 2025-05-23 08:16:03.331346+08 0 f \N f -1055 Use compareTo() for Ordering Implements compareTo for sorting Book objects alphabetically. public int compareTo(Book other) {\n return this.title.compareTo(other.title);\n} java {object,compareto,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.332647+08 2025-05-23 08:16:03.332647+08 0 f \N f -1056 CompareTo Return Values Returns negative, zero, or positive based on order. System.out.println(b1.compareTo(b2)); java {object,compareto,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.333934+08 2025-05-23 08:16:03.333934+08 0 f \N f -1057 Implement Comparable Interface Implements Comparable for ordering custom objects. public class Book implements Comparable {\n String title;\n public int compareTo(Book b) {\n return this.title.compareTo(b.title);\n }\n} java {comparable,compareto,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.335189+08 2025-05-23 08:16:03.335189+08 0 f \N f -1058 Call clone() with Cloneable Implements clone() with Cloneable interface. public class Book implements Cloneable {\n public Object clone() throws CloneNotSupportedException {\n return super.clone();\n }\n} java {object,clone,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.336523+08 2025-05-23 08:16:03.336523+08 0 f \N f -1059 Create Shallow Copy Clones an object using the overridden clone() method. Book b2 = (Book) b1.clone(); java {object,clone,shallow,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.337782+08 2025-05-23 08:16:03.337782+08 0 f \N f -1060 Check equals Reflexive Verifies reflexivity of equals() method. System.out.println(b1.equals(b1)); // should be true java {equals,reflexive,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.339087+08 2025-05-23 08:16:03.339087+08 0 f \N f -1061 Check equals Symmetric Tests symmetry of equals() implementation. System.out.println(b1.equals(b2));\nSystem.out.println(b2.equals(b1)); java {equals,symmetric,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.340391+08 2025-05-23 08:16:03.340391+08 0 f \N f -1062 Check equals Transitive Tests transitivity of equals() for three objects. System.out.println(b1.equals(b2) && b2.equals(b3) && b1.equals(b3)); java {equals,transitive,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.341683+08 2025-05-23 08:16:03.341683+08 0 f \N f -1063 Check equals with null Ensures equals returns false when compared to null. System.out.println(b1.equals(null)); // should be false java {equals,"null",unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.343124+08 2025-05-23 08:16:03.343124+08 0 f \N f -1064 Call toString() Explicitly Calls toString() explicitly for formatted string output. System.out.println(b.toString()); java {object,tostring,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.344644+08 2025-05-23 08:16:03.344644+08 0 f \N f -1065 Custom toString() Format Formats output with custom brackets. public String toString() {\n return "[Title: " + title + "]";\n} java {tostring,custom,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.346062+08 2025-05-23 08:16:03.346062+08 0 f \N f -1066 Deep Copy Hint Comment hint for implementing deep copy instead of shallow. // Deep copy requires cloning referenced objects manually. java {clone,deep,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.347527+08 2025-05-23 08:16:03.347527+08 0 f \N f -1067 Compare Wrapper Objects Shows behavior of == with wrapper class caching. Integer a = 100;\nInteger b = 100;\nSystem.out.println(a == b); // true due to caching java {compare,wrapper,unit2} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:03.349164+08 2025-05-23 08:16:03.349164+08 0 f \N f -1068 String Literal Declaration Declares and initializes a string using literal syntax. String greeting = "Hello, Java!"; java {string,literal,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.416772+08 2025-05-23 08:16:44.416772+08 0 f \N f -1069 Concatenate Strings Joins multiple strings using the + operator. String fullName = "John" + " " + "Doe"; java {string,concatenation,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.418712+08 2025-05-23 08:16:44.418712+08 0 f \N f -1070 Convert int to String Converts an integer to a string using valueOf(). String numberStr = String.valueOf(123); java {string,conversion,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.420083+08 2025-05-23 08:16:44.420083+08 0 f \N f -1071 Convert String to int Parses an integer value from a string. int number = Integer.parseInt("123"); java {string,parsing,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.421445+08 2025-05-23 08:16:44.421445+08 0 f \N f -1072 Check String Contains Checks if a substring exists within a string. System.out.println("Java Programming".contains("gram")); java {string,contains,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.422808+08 2025-05-23 08:16:44.422808+08 0 f \N f -1073 Get Substring Extracts a substring from the string. String name = "Johnathan";\nSystem.out.println(name.substring(0, 4)); java {string,substring,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.42409+08 2025-05-23 08:16:44.42409+08 0 f \N f -1077 StringBuffer Append Appends strings using StringBuffer for performance. StringBuffer sb = new StringBuffer();\nsb.append("Hello");\nsb.append(" World");\nSystem.out.println(sb.toString()); java {stringbuffer,append,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.42982+08 2025-05-23 08:16:44.42982+08 0 f \N f -1078 Trim Whitespace Removes leading and trailing whitespace from a string. String input = " padded ";\nSystem.out.println(input.trim()); java {string,trim,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.431378+08 2025-05-23 08:16:44.431378+08 0 f \N f -1079 Create Current Date Creates a Date object representing the current moment. Date now = new Date();\nSystem.out.println(now); java {date,current,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.432939+08 2025-05-23 08:16:44.432939+08 0 f \N f -1080 Format Date Formats the current date in German style. SimpleDateFormat sdf = new SimpleDateFormat("dd.MM.yyyy");\nString formatted = sdf.format(new Date());\nSystem.out.println(formatted); java {date,format,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.434376+08 2025-05-23 08:16:44.434376+08 0 f \N f -1081 Parse Date from String Parses a date string into a Date object. SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");\nDate d = sdf.parse("2025-05-23"); java {date,parse,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.435832+08 2025-05-23 08:16:44.435832+08 0 f \N f -1082 Check Date Order Compares two dates to check chronological order. Date earlier = sdf.parse("2020-01-01");\nDate later = new Date();\nSystem.out.println(earlier.before(later)); java {date,compare,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.437176+08 2025-05-23 08:16:44.437176+08 0 f \N f -1083 Use GregorianCalendar Creates a GregorianCalendar for a specific date. Calendar cal = new GregorianCalendar(2025, Calendar.MAY, 23);\nSystem.out.println(cal.getTime()); java {calendar,gregorian,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.438526+08 2025-05-23 08:16:44.438526+08 0 f \N f -1084 Roll Calendar Date Rolls the calendar forward by one month. cal.roll(Calendar.MONTH, 1);\nSystem.out.println(cal.getTime()); java {calendar,roll,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.440895+08 2025-05-23 08:16:44.440895+08 0 f \N f -1085 Get Calendar Field Extracts the year from a Calendar instance. int year = cal.get(Calendar.YEAR);\nSystem.out.println("Year: " + year); java {calendar,get,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.442459+08 2025-05-23 08:16:44.442459+08 0 f \N f -1086 Set Calendar Field Sets a specific day in a Calendar object. cal.set(Calendar.DAY_OF_MONTH, 15);\nSystem.out.println(cal.getTime()); java {calendar,set,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.443856+08 2025-05-23 08:16:44.443856+08 0 f \N f -1087 Format with DateFormat.SHORT Formats a date using a predefined short format. DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT);\nSystem.out.println(df.format(new Date())); java {dateformat,short,unit5} rSH4fsZZboZhREcZjnwjOTkxit02 2025-05-23 08:16:44.445158+08 2025-05-23 08:16:44.445158+08 0 f \N f -\. - - --- --- Data for Name: tags; Type: TABLE DATA; Schema: public; Owner: codepatchwork_user --- - -COPY public.tags (id, name, count) FROM stdin; -1 typescript 1 -2 css 1 -3 python 1 -4 hooks 1 -5 responsive 1 -6 grid 1 -7 decorators 1 -8 performance 1 -9 react 1 -\. - - --- --- Data for Name: users; Type: TABLE DATA; Schema: public; Owner: codepatchwork_user --- - -COPY public.users (id, email, display_name, photo_url, created_at, updated_at) FROM stdin; -T2VGNpXA0CTxChHJbFBp7GfhYUl2 zkai8790@gmail.com 張愷恩 https://lh3.googleusercontent.com/a/ACg8ocJ5myoc01U_tdg7cSutam1CBmfZPGL3jVz_rMQI20RZcSOFZxr9=s96-c 2025-05-20 07:50:53.611165+08 2025-05-20 19:29:38.979+08 -U0vTskMoAfextb67hjU3yVdpx273 randomork3@gmail.com Random Ork https://lh3.googleusercontent.com/a/ACg8ocI2sqIbZiMTq80e2WH1HLFzvHzsq4VQ064pYgE5pMDNouHlf3W3rw=s96-c 2025-05-20 21:18:35.391743+08 2025-05-20 22:20:26.667+08 -rSH4fsZZboZhREcZjnwjOTkxit02 hex316aa@gmail.com Erling Wulf Weinreich https://lh3.googleusercontent.com/a/ACg8ocItsHJMo2sJnkzRkAgfPJvr5lvnfAv-rrC7Yx8B187u2eLsElCO=s96-c 2025-05-20 07:26:10.504186+08 2025-05-23 08:30:50.995+08 -IfA9Mk31L2anZKqVFesYUmWwD9s2 hexawulf@gmail.com Erling Wulf Weinreich https://lh3.googleusercontent.com/a/ACg8ocICU2s0uzUhp110YqFEYWxzzo8BktSem8KsrMp6OMmMzrt8ciy_=s96-c 2025-05-20 08:30:16.370983+08 2025-05-22 16:44:04.342+08 -\. - - --- --- Name: collectionItems_id_seq; Type: SEQUENCE SET; Schema: public; Owner: codepatchwork_user --- - -SELECT pg_catalog.setval('public."collectionItems_id_seq"', 1, false); - - --- --- Name: collections_id_seq; Type: SEQUENCE SET; Schema: public; Owner: codepatchwork_user --- - -SELECT pg_catalog.setval('public.collections_id_seq', 1, false); - - --- --- Name: comments_id_seq; Type: SEQUENCE SET; Schema: public; Owner: codepatchwork_user --- - -SELECT pg_catalog.setval('public.comments_id_seq', 1, false); - - --- --- Name: snippets_id_seq; Type: SEQUENCE SET; Schema: public; Owner: codepatchwork_user --- - -SELECT pg_catalog.setval('public.snippets_id_seq', 1087, true); - - --- --- Name: tags_id_seq; Type: SEQUENCE SET; Schema: public; Owner: codepatchwork_user --- - -SELECT pg_catalog.setval('public.tags_id_seq', 9, true); - - --- --- Name: collectionItems collectionItems_collectionid_snippetid_key; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public."collectionItems" - ADD CONSTRAINT "collectionItems_collectionid_snippetid_key" UNIQUE (collectionid, snippetid); - - --- --- Name: collectionItems collectionItems_pkey; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public."collectionItems" - ADD CONSTRAINT "collectionItems_pkey" PRIMARY KEY (id); - - --- --- Name: collections collections_pkey; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.collections - ADD CONSTRAINT collections_pkey PRIMARY KEY (id); - - --- --- Name: comments comments_pkey; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.comments - ADD CONSTRAINT comments_pkey PRIMARY KEY (id); - - --- --- Name: sessions sessions_pkey; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.sessions - ADD CONSTRAINT sessions_pkey PRIMARY KEY (sid); - - --- --- Name: snippets snippets_pkey; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.snippets - ADD CONSTRAINT snippets_pkey PRIMARY KEY (id); - - --- --- Name: tags tags_name_key; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.tags - ADD CONSTRAINT tags_name_key UNIQUE (name); - - --- --- Name: tags tags_pkey; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.tags - ADD CONSTRAINT tags_pkey PRIMARY KEY (id); - - --- --- Name: users users_pkey; Type: CONSTRAINT; Schema: public; Owner: codepatchwork_user --- - -ALTER TABLE ONLY public.users - ADD CONSTRAINT users_pkey PRIMARY KEY (id); - - --- --- Name: idx_collectionitems_collectionid; Type: INDEX; Schema: public; Owner: codepatchwork_user --- - -CREATE INDEX idx_collectionitems_collectionid ON public."collectionItems" USING btree (collectionid); - - --- --- Name: idx_collectionitems_snippetid; Type: INDEX; Schema: public; Owner: codepatchwork_user --- - -CREATE INDEX idx_collectionitems_snippetid ON public."collectionItems" USING btree (snippetid); - - --- --- Name: idx_comments_snippetid; Type: INDEX; Schema: public; Owner: codepatchwork_user --- - -CREATE INDEX idx_comments_snippetid ON public.comments USING btree (snippetid); - - --- --- Name: idx_session_expire; Type: INDEX; Schema: public; Owner: codepatchwork_user --- - -CREATE INDEX idx_session_expire ON public.sessions USING btree (expire); - - --- --- Name: SCHEMA public; Type: ACL; Schema: -; Owner: pg_database_owner --- - -GRANT ALL ON SCHEMA public TO codepatchwork_user; - - --- --- Name: DEFAULT PRIVILEGES FOR SEQUENCES; Type: DEFAULT ACL; Schema: public; Owner: codepatchwork_user --- - -ALTER DEFAULT PRIVILEGES FOR ROLE codepatchwork_user IN SCHEMA public GRANT ALL ON SEQUENCES TO codepatchwork_user; - - --- --- Name: DEFAULT PRIVILEGES FOR TABLES; Type: DEFAULT ACL; Schema: public; Owner: codepatchwork_user --- - -ALTER DEFAULT PRIVILEGES FOR ROLE codepatchwork_user IN SCHEMA public GRANT ALL ON TABLES TO codepatchwork_user; - - --- --- PostgreSQL database dump complete --- -