Maybellene Aung C22 task list

app/__init__.py

@@ -2,6 +2,8 @@
 from .db import db, migrate
 from .models import task, goal
 import os
+from .routes.task_routes import bp as tasks_bp
+from .routes.goal_routes import bp as goals_bp
 
 def create_app(config=None):
     app = Flask(__name__)
@@ -18,5 +20,8 @@ def create_app(config=None):
     migrate.init_app(app, db)
 
     # Register Blueprints here
+    app.register_blueprint(tasks_bp)
+    app.register_blueprint(goals_bp)
 
+
     return app

app/models/goal.py

@@ -1,5 +1,31 @@
-from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.orm import Mapped, mapped_column, relationship
 from ..db import db
+from flask import abort, make_response
 
 class Goal(db.Model):
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    title: Mapped[str]
+    tasks: Mapped[list["Task"]] = relationship(back_populates="goal")
+
+    def obj_to_dict(self):
+        goal_as_dict = {}
+        goal_as_dict["id"] = self.id
+        goal_as_dict["title"] = self.title
+
+        return goal_as_dict
+
+
+    @classmethod
+    def obj_from_dict(cls, goal_data):
+        title = goal_data.get("title", None)
+
+        if not title:
+            response = {"details": "Invalid data"}
+            abort(make_response(response, 400))
+
+        new_goal = cls(
+            title=title
+        )
+
+        return new_goal
+

app/models/task.py

@@ -1,5 +1,46 @@
-from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.orm import Mapped, mapped_column, relationship
 from ..db import db
+from datetime import datetime
+from typing import Optional
+from flask import make_response, abort
+from sqlalchemy import ForeignKey
 
 class Task(db.Model):
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    title: Mapped[str]
+    description: Mapped[str]
+    completed_at: Mapped[Optional[datetime]]
+    goal_id: Mapped[Optional[int]] = mapped_column(ForeignKey("goal.id")) 
+    goal: Mapped[Optional["Goal"]] = relationship(back_populates="tasks")
+
+
+    # book object to dict representation
+    def obj_to_dict(self):
+        task_as_dict = {}
+        task_as_dict["id"] = self.id
+        if self.goal:
+            task_as_dict["goal_id"] = self.goal.id
+        task_as_dict["title"] = self.title
+        task_as_dict["description"] = self.description
+        task_as_dict["is_complete"] = True if self.completed_at is not None else False
+
+        return task_as_dict
+
+    @classmethod
+    # create instance from request body
+    def obj_from_dict(cls, task_data):
+        title = task_data.get("title", None)
+        description = task_data.get("description", None)
+
+        if not title or not description:
+            response = {"details": "Invalid data"}
+            abort(make_response(response, 400))
+
+        new_task = cls(
+            title=title,
+            description=description,
+            completed_at=task_data.get("completed_at", None)
+
+        )
+
+        return new_task

app/routes/goal_routes.py

@@ -1 +1,89 @@
-from flask import Blueprint
+from flask import Blueprint, Response, request, abort, make_response
+from ..models.goal import Goal
+from ..db import db
+from ..models.task import Task
+from .route_utilities import validate_model
+
+bp = Blueprint("goals_bp", __name__, url_prefix="/goals")
+
+@bp.post("")
+def create_goal():
+    request_body = request.get_json()
+    new_goal = Goal.obj_from_dict(request_body)
+
+    db.session.add(new_goal)
+    db.session.commit()
+    response = {"goal": new_goal.obj_to_dict()}
+    return response, 201
+
+@bp.post("/<goal_id>/tasks")
+def add_tasks_to_goals(goal_id):
+    goal = validate_model(Goal, goal_id)
+    request_body = request.get_json()
+    task_ids = request_body["task_ids"]
+    tasks = Task.query.filter(Task.id.in_(task_ids)).all()
+    goal.tasks = tasks
+
+    db.session.commit()
+    response = {
+        "id": goal.id,
+        "task_ids": task_ids
+    }
+
+    return response, 200
+
+
+@bp.get("")
+def get_all_goals():
+    query = db.select(Goal).order_by(Goal.id)
+    goals = db.session.scalars(query)
+
+    goals_response = [goal.obj_to_dict() for goal in goals]
+    return goals_response
+
+@bp.get("/<goal_id>")
+def get_one_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+
+    return {"goal": goal.obj_to_dict()}, 200
+
+# get all tasks of a certain goal
+@bp.get("/<goal_id>/tasks")
+def get_all_tasks_of_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+
+    tasks_list = [task.obj_to_dict() for task in goal.tasks]
+    print(tasks_list)
+    response = {
+        "id": goal.id,
+        "title": goal.title,
+        "tasks": tasks_list
+    }
+
+    return response, 200
+
+
+@bp.put("/<goal_id>")
+def update_one_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+
+    request_body = request.get_json()
+    goal.title = request_body["title"]
+
+    db.session.commit()
+
+    response = {"goal": goal.obj_to_dict()}
+    return response, 200
+
+
+@bp.delete("/<goal_id>")
+def delete_one_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+
+    db.session.delete(goal)
+    db.session.commit()
+
+    response = {"details": f"Goal {goal.id} \"{goal.title}\" successfully deleted"}
+    return response, 200
+
+

app/routes/route_utilities.py

@@ -0,0 +1,18 @@
+from flask import abort, make_response
+from ..db import db
+
+def validate_model(cls, model_id):
+    try:
+        model_id = int(model_id)
+    except:
+        response = {"message": f"{cls.__name__} {model_id} is invalid"}
+        abort(make_response(response, 400))
+
+    query = db.select(cls).where(cls.id == model_id)
+    model = db.session.scalar(query)
+
+    if not model:
+        response = {"message": f"{cls.__name__} {model_id} was not found"}
+        abort(make_response(response, 404))
+
+    return model

app/routes/task_routes.py

@@ -1 +1,118 @@
-from flask import Blueprint
+from flask import Blueprint, request, Response, abort, make_response
+from ..models.task import Task
+from ..db import db
+from datetime import datetime
+import requests
+import os
+
+
+bp = Blueprint("tasks_bp", __name__, url_prefix="/tasks")
+
+# make a POST request to /tasks with the following HTTP request body
+@bp.post("")
+def create_task():
+    request_body = request.get_json()
+    new_task = Task.obj_from_dict(request_body)
+
+    db.session.add(new_task)
+    db.session.commit()
+
+    response = {"task": new_task.obj_to_dict()}
+
+    return response, 201
+
+# GET request to /tasks
+@bp.get("")
+def get_all_task():
+    query = db.select(Task)
+    sort =  request.args.get("sort")
+
+    if sort == "asc":
+        query = query.order_by(Task.title.asc())
+    elif sort == "desc":
+        query = query.order_by(Task.title.desc())
+    else:
+        query = query.order_by(Task.id)
+    tasks = db.session.scalars(query)
+
+    tasks_response = [task.obj_to_dict() for task in tasks]
+
+    return tasks_response
+
+@bp.get("/<task_id>")
+def get_one_task(task_id):
+    task = validate_model(Task, task_id)
+
+    return {"task": task.obj_to_dict()}, 200
+
+@bp.put("/<task_id>")
+def update_task(task_id):
+    task = validate_model(Task, task_id)
+    request_body = request.get_json()
+
+    task.title = request_body["title"]
+    task.description = request_body["description"]
+
+    db.session.commit()
+
+    return { "task": task.obj_to_dict()}
+
+@bp.patch("/<task_id>/mark_complete")
+def update_complete(task_id):
+    task = validate_model(Task, task_id)
+    task.completed_at = datetime.utcnow()
+
+    db.session.commit()
+
+    path = "https://slack.com/api/chat.postMessage"
+    token = os.environ.get("SLACK_BOT_TOKEN")
+    channel_id = "C07V4J7ABF1"
+
+    headers = {
+        "Authorization": f"Bearer {token}"
+    }
+    data = {
+        "channel": channel_id, 
+        "text": f"Someone just completed the task {task.title}"
+    }
+
+    requests.post(path, headers=headers, json=data)
+
+    response = {"task": task.obj_to_dict()}
+    return response, 200
+
+
+@bp.patch("/<task_id>/mark_incomplete")
+def update_incomplete(task_id):
+    task = validate_model(Task, task_id)
+    task.completed_at = None
+
+    db.session.commit()
+
+    response = {"task": task.obj_to_dict()}
+    return response, 200
+
+@bp.delete("/<task_id>")
+def delete_task(task_id):
+    task = validate_model(Task, task_id)
+    db.session.delete(task)
+    db.session.commit()
+
+    return {"details": f"Task {task_id} \"{task.title}\" successfully deleted"}
+
+def validate_model(Task, task_id):
+    try:
+        task_id = int(task_id)
+    except:
+        response = {"message": f"Task {task_id} is invalid"}
+        abort(make_response(response, 400))
+
+    query = db.select(Task).where(Task.id == task_id)
+    task = db.session.scalar(query)
+
+    if not task:
+        response = {"message": f"Task {task_id} was not found"}
+        abort(make_response(response, 404))
+
+    return task    
+

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