wave1-3

Author: xixilele1990

.gitignore

@@ -1,5 +1,6 @@
 .vscode
 .DS_Store
+.env
 
 # Byte-compiled / optimized / DLL files
 __pycache__/

app/__init__.py

@@ -1,6 +1,7 @@
 from flask import Flask
 from .db import db, migrate
 from .models import task, goal
+from app.routes.task_routes import bp as tasks_bp
 import os
 
 def create_app(config=None):
@@ -18,5 +19,6 @@ def create_app(config=None):
     migrate.init_app(app, db)
 
     # Register Blueprints here
+    app.register_blueprint(tasks_bp)
 
     return app

app/models/goal.py

@@ -1,5 +1,8 @@
 from sqlalchemy.orm import Mapped, mapped_column
 from ..db import db
+#from sqlalchemy import Date
+
 
 class Goal(db.Model):
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    

app/models/task.py

@@ -1,5 +1,41 @@
+from flask_sqlalchemy import SQLAlchemy
 from sqlalchemy.orm import Mapped, mapped_column
 from ..db import db
+from sqlalchemy import String, Date
+from datetime import datetime
+from flask import Blueprint, abort, make_response, request, Response,jsonify
 
 class Task(db.Model):
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    title: Mapped[str] = mapped_column(String(100), nullable=False)
+    description: Mapped[str] = mapped_column(String(255))
+    completed_at:Mapped[datetime.date] = mapped_column(Date, nullable=True)
+
+
+    def to_dict(self): # json
+        
+        
+        return {"id": self.id,
+                "title":self.title,
+                "description":self.description,
+                #"is_complete":self.completed_at if self.completed_at else False
+                "is_complete": self.completed_at is not None}
+        
+
+
+    @classmethod
+    def from_dict(cls, data_dict):
+        if "title" not in data_dict:
+            #abort(make_response({"details": "Invalid data"}, 400))
+            raise KeyError("title")
+        if "description" not in data_dict:
+            #abort(make_response({"details": "Invalid data"}, 400))
+            raise KeyError("description")
+        return cls(
+            title=data_dict["title"],
+            description=data_dict["description"],
+            completed_at=None  # default to None when creating
+        )
+        
+    
+    

app/routes/routes_utilities.py

@@ -0,0 +1,43 @@
+from flask import abort, make_response
+from ..db import db
+
+def validate_model(cls, id):
+    try:
+        id = int(id)
+    except ValueError:
+        invalid = {"message": f"{cls.__name__} id({id}) is invalid."}
+        abort(make_response(invalid, 400))
+        
+    query = db.select(cls).where(cls.id == id)
+    model = db.session.scalar(query)
+    
+    if not model:
+        not_found = {"message": f"{cls.__name__} with id({id}) not found."}
+        abort(make_response(not_found, 404))
+        
+    return model
+
+
+def create_model(cls, model_data):
+    try:
+        new_model = cls.from_dict(model_data)
+    except KeyError as e:
+        response = {"message": f"Invalid request: missing {e.args[0]}"}
+        abort(make_response(response, 400))
+    
+    db.session.add(new_model)
+    db.session.commit()
+
+    return new_model.to_dict(), 201
+
+def get_models_with_filters(cls, filters=None):
+    query = db.select(cls)
+    
+    if filters:
+        for attribute, value in filters.items():
+            if hasattr(cls, attribute):
+                query = query.where(getattr(cls, attribute).ilike(f"%{value}%"))
+
+    models = db.session.scalars(query.order_by(cls.id))
+    models_response = [model.to_dict() for model in models]
+    return models_response

app/routes/task_routes.py

@@ -1 +1,120 @@
-from flask import Blueprint
+from ..models.task import Task
+from flask import Blueprint, abort, make_response, request, Response,jsonify
+from ..db import db
+from .routes_utilities import validate_model,create_model,get_models_with_filters
+from datetime import datetime
+
+bp = Blueprint("tasks_bp", __name__, url_prefix="/tasks")
+
+@bp.post("")
+def create_task():
+    
+    request_body = request.get_json()
+
+    try:
+        new_task = Task.from_dict(request_body)
+    except KeyError:
+        return jsonify({"details": "Invalid data"}), 400
+    
+    db.session.add(new_task)
+    db.session.commit()
+    return new_task.to_dict(), 201
+
+
+@bp.get("")
+
+def get_all_tasks():
+    query = db.select(Task)
+
+    id_param = request.args.get("id")
+    if id_param:
+        query = query.where(Task.id == int(id_param))
+
+    description_param = request.args.get("description")
+    if description_param:
+        query = query.where(Task.description.ilike(f"%{description_param}%"))
+
+    title_param = request.args.get("title")
+    sort_param = request.args.get("sort")
+    if title_param:
+        query = query.where(Task.title.ilike(f"%{title_param}%"))
+        
+    complete_param = request.args.get("is_complete")   
+    if complete_param == "true":
+        
+        query = query.where(Task.completed_at.is_not(None))
+    
+    elif complete_param == "false":
+        
+        query = query.where(Task.completed_at.is_(None))
+
+    #query = query.order_by(Task.id)
+    if sort_param =="asc":
+            query = query = query.order_by(Task.title.asc())
+    elif sort_param == "desc":
+        query = query.order_by(Task.title.desc())
+    else:
+        query = query.order_by(Task.id)
+    tasks = db.session.scalars(query)
+
+    result_list = []
+
+    result_list =[task.to_dict()for task in tasks]
+        
+    return jsonify(result_list or []),200
+
+
+@bp.get("/<id>")
+
+def get_one_task(id):
+    
+    task =validate_model(Task,id)
+    return task.to_dict()
+
+
+@bp.put("/<id>")
+def replace_task(id):
+    task = validate_model(Task, id)
+    
+    request_body = request.get_json()
+    
+    # if request_body["is_complete"]:
+    #     task.completed_at = datetime.utcnow()
+    # else:
+    #     task.completed_at = None
+    task.title = request_body["title"]
+    
+    task.description = request_body["description"]
+    
+    db.session.commit()
+    
+    return Response(status = 204,mimetype ="application/json")
+
+@bp.delete("/<id>")
+def del_task(id):
+    task = validate_model(Task, id)
+    
+    db.session.delete(task)
+    
+    db.session.commit()
+    
+    return Response(status = 204,mimetype ="application/json")
+
+
+
+
+@bp.patch("/<id>/mark_complete")
+def mark_complete(id):
+    task = validate_model(Task, id)
+    task.completed_at = datetime.utcnow()
+    db.session.commit()
+    return Response(status=204, mimetype="application/json")
+
+
+@bp.patch("/<id>/mark_incomplete")
+def mark_incomplete(id):
+    task = validate_model(Task, id)
+
+    task.completed_at = None
+    db.session.commit()
+    return Response(status=204, mimetype="application/json")

migrations/README

@@ -0,0 +1 @@
+Single-database configuration for Flask.

migrations/alembic.ini

@@ -0,0 +1,50 @@
+# A generic, single database configuration.
+
+[alembic]
+# template used to generate migration files
+# file_template = %%(rev)s_%%(slug)s
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+
+# Logging configuration
+[loggers]
+keys = root,sqlalchemy,alembic,flask_migrate
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[logger_flask_migrate]
+level = INFO
+handlers =
+qualname = flask_migrate
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S