Mikaela 🧚

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 +20,7 @@ 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 +1,24 @@
-from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.orm import Mapped, mapped_column, relationship
 from ..db import db
+from typing import TYPE_CHECKING
+if TYPE_CHECKING:
+    from .task import Task
+
 
 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 to_dict(self):
+        return {
+                "id": self.id,
+                "title": self.title
+        }
+
+    @classmethod
+    def from_dict(cls, goal_data):
+        return cls(
+            title=goal_data["title"],
+            tasks=goal_data.get("tasks", [])
+        )

app/models/task.py

@@ -1,5 +1,35 @@
-from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy import ForeignKey
 from ..db import db
+from typing import Optional
+from datetime import datetime
+from typing import TYPE_CHECKING
+if TYPE_CHECKING:
+    from .goal import Goal
+
 
 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]] = mapped_column(nullable=True)
+    goal_id: Mapped[Optional[int]] = mapped_column(ForeignKey("goal.id"))
+    goal: Mapped[Optional["Goal"]] = relationship(back_populates="tasks")
+
+    def to_dict(self):
+        return {
+                "id": self.id,
+                "title": self.title,
+                "description": self.description,
+                "is_complete": self.completed_at is not None,
+                **({"goal_id": self.goal_id} if self.goal_id is not None else {})
+        }
+
+    @classmethod
+    def from_dict(cls, task_data):
+        return cls(
+            title=task_data["title"],
+            description=task_data["description"],
+            completed_at=task_data.get("completed_at"),
+            goal_id=task_data.get("goal_id")
+        )

app/routes/goal_routes.py

@@ -1 +1,83 @@
-from flask import Blueprint
+from flask import Blueprint, request, Response, jsonify
+from ..db import db
+from app.models.goal import Goal
+from app.models.task import Task
+from .route_utilities import validate_model, create_model
+
+bp = Blueprint("goals_bp", __name__, url_prefix="/goals")
+
+
+@bp.post("")
+def create_goal():
+    request_body = request.get_json()
+    goal_data, status_code = create_model(Goal, request_body)
+    return jsonify({"goal": goal_data}), status_code
+
+
+@bp.get("")
+def get_all_goals():
+    query = db.select(Goal)
+
+    title_param = request.args.get("title")
+    if title_param:
+        query = query.where(Goal.title.ilike(f"%{title_param}%"))
+
+    goals = db.session.scalars(query)
+
+    return [goal.to_dict() for goal in goals]
+
+
+@bp.get("/<id>")
+def get_one_goal(id):
+    goal = validate_model(Goal, id)
+    return jsonify({"goal": goal.to_dict()}), 200
+
+
+@bp.put("<id>")
+def update_goal(id):
+    goal = validate_model(Goal, id)
+    request_body = request.get_json()
+
+    goal.title = request_body["title"]
+
+    db.session.commit()
+    return Response(status=204, mimetype="application/json")
+
+
+@bp.delete("<id>")
+def delete_goal(id):
+    goal = validate_model(Goal, id)
+    db.session.delete(goal)
+    db.session.commit()
+
+    return Response(status=204, mimetype="application/json")
+
+
+@bp.post("/<id>/tasks")
+def create_task_for_goal(id):
+    goal = validate_model(Goal, id)
+    request_body = request.get_json()
+
+    task_ids = request_body.get("task_ids", [])
+
+    for task in goal.tasks:
+        task.goal_id = None
+
+    for task_id in task_ids:
+        task = validate_model(Task, task_id)
+        task.goal_id = goal.id
+
+    db.session.commit()
+
+    return {
+        "id": goal.id,
+        "task_ids": task_ids
+    }, 200
+
+
+@bp.get("/<id>/tasks")
+def get_tasks_for_goal(id):
+    goal = validate_model(Goal, id)
+    goal_dict = goal.to_dict()
+    goal_dict["tasks"] = [task.to_dict() for task in goal.tasks]
+    return goal_dict, 200

app/routes/route_utilities.py

@@ -0,0 +1,31 @@
+from flask import abort, make_response
+from ..db import db 
+
+def validate_model(cls, id):
+    try:
+        id = int(id)
+    except ValueError: 
+        response = {"details": f"{cls.__name__} {id} invalid"}
+        abort(make_response(response, 400))
+
+    query = db.select(cls).where(cls.id == id)
+    model = db.session.scalar(query)
+
+    if not model:
+        response = {"details": f"{cls.__name__} {id} not found"}
+        abort(make_response(response, 404))
+
+    return model
+
+
+def create_model(cls, model_data):
+    try:
+        new_model = cls.from_dict(model_data)
+    except KeyError as e:
+        response = {"details": "Invalid data"}
+        abort(make_response(response, 400))
+
+    db.session.add(new_model)
+    db.session.commit()
+
+    return new_model.to_dict(), 201

app/routes/task_routes.py

@@ -1 +1,99 @@
-from flask import Blueprint
+from flask import Blueprint, request, Response, jsonify
+from ..db import db
+from app.models.task import Task
+from .route_utilities import validate_model, create_model
+from datetime import datetime
+import requests, os
+
+
+bp = Blueprint("tasks_bp", __name__, url_prefix="/tasks")
+
+
+@bp.post("")
+def create_task():
+    request_body = request.get_json()
+    task_data, status_code = create_model(Task, request_body)
+    return jsonify({"task": task_data}), status_code
+
+
+@bp.get("")
+def get_all_tasks():
+    query = db.select(Task)
+
+    title_param = request.args.get("title")
+    if title_param:
+        query = query.where(Task.title.ilike(f"%{title_param}%"))
+
+    description_param = request.args.get("description")
+    if description_param:
+        query = query.where(Task.description.ilike(f"%{description_param}%"))
+
+    sort_param = request.args.get("sort")
+    if sort_param == "desc":
+        query = query.order_by(Task.title.desc())
+    else:
+        query = query.order_by(Task.title.asc())
+
+    tasks = db.session.scalars(query)
+
+    return [task.to_dict() for task in tasks]
+
+
+@bp.get("/<id>")
+def get_one_task(id):
+    task = validate_model(Task, id)
+    return jsonify({"task": task.to_dict()}), 200
+
+
+@bp.put("/<id>")
+def update_task(id):
+    task = validate_model(Task, id)
+    request_body = request.get_json()
+
+    task.title = request_body["title"]
+    task.description = request_body["description"]
+
+    db.session.commit()
+    return Response(status=204, mimetype="application/json")
+
+
+@bp.delete("/<id>")
+def delete_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)
+    if task.completed_at is None:
+        task.completed_at = datetime.now()
+        db.session.commit()
+
+        slack_bot_token = os.environ.get("SLACK_BOT_TOKEN")
+        slack_channel = os.environ.get("SLACK_CHANNEL", "task-notifications")
+
+        headers = {
+                "Authorization": f"Bearer {slack_bot_token}"
+            }
+
+        payload = {
+                "channel": slack_channel,
+                "text": f"Someone just completed the task {task.title}"
+            }
+
+        requests.post("https://slack.com/api/chat.postMessage", headers=headers, json=payload)
+
+    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