Possum - Amanda Thompson

app/__init__.py

@@ -1,6 +1,8 @@
 from flask import Flask
 from .db import db, migrate
 from .models import task, goal
+from .routes.task_routes import tasks_bp
+from .routes.goal_routes import goals_bp
 import os
 
 def create_app(config=None):
@@ -17,6 +19,8 @@ def create_app(config=None):
     db.init_app(app)
     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 +1,20 @@
-from sqlalchemy.orm import Mapped, mapped_column
+from sqlalchemy.orm import Mapped, mapped_column, relationship
 from ..db import db
 
 class Goal(db.Model):
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    title: Mapped[str] = mapped_column(nullable=False)
+    tasks: Mapped[list["Task"]] = relationship(back_populates="goal")
+
+    def to_dict(self):
+        goal_dict = {
+            "id": self.id,
+            "title": self.title
+        }
+        return goal_dict
+
+    @classmethod
+    def from_dict(cls, goal_data):
+        title = goal_data["title"]
+        return cls(title=title)
+

app/models/task.py

@@ -1,5 +1,34 @@
+from datetime import datetime
+from typing import Optional
+from sqlalchemy import ForeignKey
 from sqlalchemy.orm import Mapped, mapped_column
 from ..db import db
 
 class Task(db.Model):
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    title: Mapped[str] = mapped_column(nullable=False)
+    description: Mapped[str] = mapped_column(nullable=False)
+    completed_at: Mapped[Optional[datetime]] = mapped_column(nullable=True)
+    goal_id: Mapped[Optional[int]] = mapped_column(ForeignKey("goal.id"))
+    goal: Mapped[Optional["Goal"]] = db.relationship("Goal", back_populates="tasks")
+
+    def to_dict(self):
+        task_dict = {
+            "id": self.id,
+            "title": self.title,
+            "description": self.description,
+            "is_complete": self.completed_at is not None
+        }
+        if self.goal_id:
+            task_dict["goal_id"] = self.goal_id
+
+        return task_dict
+
+    @classmethod
+    def from_dict(cls, task_data):
+        title = task_data["title"]
+        description = task_data["description"]
+        completed_at = task_data.get("completed_at", None)
+        goal_id = task_data.get("goal_id", None)
+        return cls(title=title, description=description, completed_at=completed_at, goal_id=goal_id)
+

app/routes/goal_routes.py

@@ -1 +1,68 @@
-from flask import Blueprint
+from flask import Blueprint, request, Response
+from .route_utilities import validate_model, create_model, send_slack_message
+from app.models.goal import Goal
+from app.models.task import Task
+from ..db import db
+
+goals_bp = Blueprint("goals", __name__, url_prefix="/goals")
+
+@goals_bp.get("")
+def get_all_goals():
+    db_query = db.select(Goal)
+    all_goals = db.session.scalars(db_query)
+    goals_response = []
+    for goal in all_goals:
+        goals_response.append(goal.to_dict())
+    return goals_response
+
+@goals_bp.get("/<goal_id>")
+def get_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+    return goal.to_dict()
+
+@goals_bp.post("")
+def create_goal():
+    goal_data = request.get_json()
+    new_goal = create_model(Goal, goal_data)
+    return new_goal
+
+@goals_bp.delete("/<goal_id>")
+def delete_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+    db.session.delete(goal)
+    db.session.commit()
+    return Response(status=204, mimetype="application/json")
+
+@goals_bp.put("/<goal_id>")
+def update_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+    goal_data = request.get_json()
+    goal.title = goal_data["title"]
+    db.session.commit()
+    return Response(status=204, mimetype="application/json")
+
+@goals_bp.get("/<goal_id>/tasks")
+def get_tasks_for_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+    response = goal.to_dict()
+    response["tasks"] = [task.to_dict() for task in goal.tasks]
+    return response
+
+@goals_bp.post("/<goal_id>/tasks")
+def associate_task_ids_to_goal(goal_id):
+    goal = validate_model(Goal, goal_id)
+    request_body = request.get_json()
+
+    goal.tasks = []
+
+    for id in request_body["task_ids"]:
+        task = validate_model(Task, id)
+        task.goal_id = goal.id
+
+    db.session.commit()
+
+    response = {
+        "id": goal.id,
+        "task_ids": [task.id for task in goal.tasks]
+    }
+    return response

app/routes/route_utilities.py

@@ -0,0 +1,41 @@
+from flask import make_response, abort
+import requests
+from ..db import db
+import os
+
+def validate_model(cls, model_id):
+    try:
+        model_id = int(model_id)
+
+    except:
+        response = {'message': f'{cls.__name__} {model_id} 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} 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:
+        response = {'details': f'Invalid data'}
+        abort(make_response(response, 400))
+
+    db.session.add(new_model)
+    db.session.commit()
+
+    return new_model.to_dict(), 201
+
+def send_slack_message(task):
+    headers = {"Authorization": os.environ.get("SLACK_OAUTH_TOKEN")}
+    task_messgae = {"channel":"new_channel", "text": f'Someone just completed the task {task.title}'}
+    requests.post("https://slack.com/api/chat.postMessage", headers=headers, json=task_messgae)
+
+

app/routes/task_routes.py

@@ -1 +1,63 @@
-from flask import Blueprint
+from datetime import datetime
+from flask import Blueprint, request, Response
+from .route_utilities import validate_model, create_model, send_slack_message
+from app.models.task import Task
+from ..db import db
+
+tasks_bp = Blueprint("tasks", __name__, url_prefix="/tasks")
+
+@tasks_bp.get("/<task_id>")
+def get_task(task_id):
+    task = validate_model(Task, task_id)
+    return task.to_dict()
+
+@tasks_bp.post("")
+def create_task():
+    task_data = request.get_json()
+    new_task = create_model(Task, task_data)
+    return new_task
+
+@tasks_bp.put("/<task_id>")
+def update_task(task_id):
+    task = validate_model(Task, task_id)
+    task_data = request.get_json()
+    task.title = task_data["title"]
+    task.description = task_data["description"]
+    db.session.commit()
+    return Response(status=204, mimetype="application/json")
+
+@tasks_bp.delete("/<task_id>")
+def delete_task(task_id):
+    task = validate_model(Task, task_id)
+    db.session.delete(task)
+    db.session.commit()
+    return Response(status=204, mimetype="application/json")
+
+@tasks_bp.get("")
+def get_all_tasks():
+    sort_order = request.args.get("sort")
+    db_query = db.select(Task)
+    if sort_order == "asc":
+        db_query = db_query.order_by(Task.title)
+    elif sort_order == "desc":
+        db_query = db_query.order_by(Task.title.desc())
+    all_tasks = db.session.scalars(db_query)
+    tasks_response = []
+    for task in all_tasks:
+        tasks_response.append(task.to_dict())
+    return tasks_response
+
+@tasks_bp.patch("/<task_id>/mark_complete")
+def mark_task_completed(task_id):
+    task = validate_model(Task, task_id)
+    task.completed_at = datetime.now()
+    db.session.commit()
+    return task.to_dict(), 204
+
+@tasks_bp.patch("/<task_id>/mark_incomplete")
+def mark_task_incomplete(task_id):
+    task = validate_model(Task, task_id)
+    task.completed_at = None
+    db.session.commit()
+    send_slack_message(task)
+    return task.to_dict(), 204

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