Possom - Anaiahm

app/__init__.py

@@ -2,6 +2,7 @@
 from .db import db, migrate
 from .models import task, goal
 import os
+from .routes.task_routes import task_list_bp
 
 def create_app(config=None):
     app = Flask(__name__)
@@ -18,5 +19,5 @@ def create_app(config=None):
     migrate.init_app(app, db)
 
     # Register Blueprints here
-
+    app.register_blueprint(task_list_bp)
     return app

app/models/task.py

@@ -1,5 +1,26 @@
 from sqlalchemy.orm import Mapped, mapped_column
 from ..db import db
+from datetime import datetime
 
 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[datetime] = mapped_column(default=None, nullable=True)
+
+
+    def to_dict(Task):
+
+        return {
+            "id": Task.id,
+            "title": Task.title,
+            "description": Task.description,
+            "is_complete": False
+        }
+
+    def from_dict(dict):
+        title = dict["title"]
+        description = dict["description"]
+        completed_at = None
+        return Task(title=title, description=description, completed_at=completed_at)
+

app/routes/routes_utilities.py

@@ -0,0 +1,51 @@
+from flask import abort, make_response
+from ..db import db
+from sqlalchemy import desc
+
+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 = {"details": "Invalid data"}
+        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, sort="asc"):
+    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}%"))
+
+
+    if sort.lower() == "desc":
+            query = query.order_by(desc(cls.title))
+    else: 
+            query = query.order_by(cls.title)
+
+
+    models = db.session.scalars(query)
+    models_response = [model.to_dict() for model in models]
+    return models_response

app/routes/task_routes.py

@@ -1 +1,43 @@
-from flask import Blueprint
+from flask import Blueprint, request, Response, session
+from app.models.task import Task
+from ..db import db
+from .routes_utilities import create_model, validate_model, get_models_with_filters
+
+task_list_bp = Blueprint("task_list", __name__, url_prefix="/tasks")
+
+@task_list_bp.get("/<id>")
+def get_task_by_id(id):
+    task = validate_model(Task, id)
+    return task.to_dict()
+
+@task_list_bp.get("")
+def get_all_tasks():
+    sort = request.args.get("sort", "asc")
+    return get_models_with_filters(Task, request.args, sort=sort)
+
+
+@task_list_bp.post("")
+def create_new_task():
+    request_body = request.get_json()
+    return create_model(Task, request_body)
+
+@task_list_bp.put("/<id>")
+def replace_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")
+
+
+@task_list_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")
+

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

migrations/env.py

@@ -0,0 +1,113 @@
+import logging
+from logging.config import fileConfig
+
+from flask import current_app
+
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+logger = logging.getLogger('alembic.env')
+
+
+def get_engine():
+    try:
+        # this works with Flask-SQLAlchemy<3 and Alchemical
+        return current_app.extensions['migrate'].db.get_engine()
+    except (TypeError, AttributeError):
+        # this works with Flask-SQLAlchemy>=3
+        return current_app.extensions['migrate'].db.engine
+
+
+def get_engine_url():
+    try:
+        return get_engine().url.render_as_string(hide_password=False).replace(
+            '%', '%%')
+    except AttributeError:
+        return str(get_engine().url).replace('%', '%%')
+
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+config.set_main_option('sqlalchemy.url', get_engine_url())
+target_db = current_app.extensions['migrate'].db
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def get_metadata():
+    if hasattr(target_db, 'metadatas'):
+        return target_db.metadatas[None]
+    return target_db.metadata
+
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url, target_metadata=get_metadata(), literal_binds=True
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    # this callback is used to prevent an auto-migration from being generated
+    # when there are no changes to the schema
+    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
+    def process_revision_directives(context, revision, directives):
+        if getattr(config.cmd_opts, 'autogenerate', False):
+            script = directives[0]
+            if script.upgrade_ops.is_empty():
+                directives[:] = []
+                logger.info('No changes in schema detected.')
+
+    conf_args = current_app.extensions['migrate'].configure_args
+    if conf_args.get("process_revision_directives") is None:
+        conf_args["process_revision_directives"] = process_revision_directives
+
+    connectable = get_engine()
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=get_metadata(),
+            **conf_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

migrations/script.py.mako

@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

migrations/versions/57599aaaa4c6_.py

@@ -0,0 +1,40 @@
+"""empty message
+
+Revision ID: 57599aaaa4c6
+Revises: 
+Create Date: 2025-10-30 18:51:17.001854
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '57599aaaa4c6'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('goal',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('task',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.String(), nullable=False),
+    sa.Column('description', sa.String(), nullable=False),
+    sa.Column('completed_at', sa.DateTime(), nullable=True),
+    sa.Column('is_complete', sa.Boolean(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('task')
+    op.drop_table('goal')
+    # ### end Alembic commands ###