Carolyn&Bella-Ruby

app/__init__.py

@@ -1,7 +1,34 @@
 from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+import os 
+from dotenv import load_dotenv
 
+db = SQLAlchemy()
+migrate = Migrate()
 
-def create_app(test_config=None):
+load_dotenv()
+
+
+def create_app(testing=None):
     app = Flask(__name__)
+
+    app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
+    if not testing:
+        app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get("RENDER_DATABASE_URI")
+    else: 
+        app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get("SQLALCHEMY_TEST_DATABASE_URI")
+
+    from .models.moon import Moon
+    from .models.planet import Planet
+
+    db.init_app(app)
+    migrate.init_app(app, db)
+
+    from .routes.routes import solar_system_planet
+    app.register_blueprint(solar_system_planet)
+
+    from .routes.routes import solar_system_moon
+    app.register_blueprint(solar_system_moon)
 
     return app

app/models/moon.py

@@ -0,0 +1,24 @@
+from app import db
+
+class Moon(db.Model):
+    id = db.Column(db.Integer, primary_key = True, autoincrement = True)
+    name = db.Column(db.String)
+    radius = db.Column(db.Integer)
+    planet_id = db.Column(db.Integer)
+
+    def to_dict(self):
+        return {
+            "id": self.id,
+            "name": self.name,
+            "radius": self.radius,
+            "planet_id": self.planet_id
+        }
+
+    @classmethod 
+    def from_dict(cls, moon_data):
+        return cls(
+            name = moon_data["name"],
+            radius = moon_data["radius"],
+            planet_id = moon_data["planet_id"],
+        )
+

app/models/planet.py

@@ -0,0 +1,24 @@
+from app import db
+
+class Planet(db.Model):
+    id = db.Column(db.Integer, primary_key = True, autoincrement = True)
+    name = db.Column(db.String)
+    radius = db.Column(db.Integer)
+    description = db.Column(db.Text)
+
+    def to_dict(self):
+        return {
+            "id": self.id,
+            "name": self.name,
+            "radius": self.radius,
+            "description": self.description
+        }
+
+    @classmethod 
+    def from_dict(cls, planet_data):
+        return cls(
+            name = planet_data["name"],
+            radius = planet_data["radius"],
+            description = planet_data["description"],
+        )
+

app/routes/routes.py

@@ -0,0 +1,148 @@
+from flask import Blueprint, jsonify, request, make_response, abort
+from app import db
+from app.models.moon import Moon
+from app.models.planet import Planet
+
+solar_system_planet = Blueprint("solar_system_planet", __name__, url_prefix="/solar_system/planet")
+
+@solar_system_planet.route("", methods=["POST"])
+def add_planet():
+    request_body = request.get_json()
+    new_planet = Planet.from_dict(request_body)
+
+    db.session.add(new_planet)
+    db.session.commit()
+
+    return make_response({"message": f"Planet {new_planet.name} has been added, with the id: {new_planet.id}"}, 201)
+
+@solar_system_planet.route("", methods=["GET"])
+def get_planets():
+    return_list = []
+    name_query = request.args.get("name")
+    radius_query = request.args.get("radius_min")
+    if not name_query and not radius_query:
+        all_planets = Planet.query.all()
+    elif name_query and radius_query:
+        all_planets = Planet.query.filter(Planet.name==name_query, Planet.radius>=radius_query)
+    elif radius_query:
+        all_planets = Planet.query.filter(Planet.radius>=radius_query)
+    elif name_query:
+        all_planets = Planet.query.filter(Planet.name==name_query)
+    for planet in all_planets:
+        return_list.append({
+            "id": planet.id,
+            "name": planet.name,
+            "radius": planet.radius,
+            "description": planet.description
+        })
+    return jsonify(return_list), 200
+
+@solar_system_planet.route("/<planet_id>", methods=["GET"])
+def get_planet_by_id(planet_id):
+    planet = verify_item_id(Planet, planet_id)
+    return {
+            "id": planet.id,
+            "name": planet.name,
+            "radius": planet.radius,
+            "description": planet.description
+        }
+
+@solar_system_planet.route("/<planet_id>", methods=["DELETE"])
+def delete_planet(planet_id):
+    planet = verify_item_id(Planet, planet_id)
+
+    db.session.delete(planet)
+    db.session.commit()
+
+    return make_response({"message": f"Planet {planet.id} has been deleted"}, 200)
+
+@solar_system_planet.route("/<planet_id>", methods=["PUT"])
+def update(planet_id):
+    planet = verify_item_id(Planet, planet_id)
+    request_body = request.get_json()
+
+    planet.name = request_body["name"]
+    planet.radius = request_body["radius"]
+    planet.description = request_body["description"]
+
+    db.session.commit()
+
+    return make_response({"message": f"Planet {planet.id} has been updated"}, 200)
+
+solar_system_moon = Blueprint("solar_system_moon", __name__, url_prefix="/solar_system/moon")
+
+@solar_system_moon.route("", methods=["POST"])
+def add_moon():
+    request_body = request.get_json()
+    new_moon = Moon.from_dict(request_body)
+
+    db.session.add(new_moon)
+    db.session.commit()
+
+    return make_response({"message": f"Moon {new_moon.name} has been added, with the id: {new_moon.id}"}, 201)
+
+@solar_system_moon.route("", methods=["GET"])
+def get_moons():
+    return_list = []
+    name_query = request.args.get("name")
+    radius_query = request.args.get("radius_min")
+    if not name_query and not radius_query:
+        all_moons = Moon.query.all()
+    elif name_query and radius_query:
+        all_moons = Moon.query.filter(Moon.name==name_query, Moon.radius>=radius_query)
+    elif radius_query:
+        all_moons = Moon.query.filter(Moon.radius>=radius_query)
+    elif name_query:
+        all_moons = Moon.query.filter(Moon.name==name_query)
+    for moon in all_moons:
+        return_list.append({
+            "id": moon.id,
+            "name": moon.name,
+            "radius": moon.radius,
+            "planet name": moon.planet_id
+        })
+    return jsonify(return_list), 200
+
+@solar_system_moon.route("/<moon_id>", methods=["GET"])
+def get_moon_by_id(moon_id):
+    moon = verify_item_id(Moon, moon_id)
+    return {
+            "id": moon.id,
+            "name": moon.name,
+            "radius": moon.radius,
+            "planet name": moon.planet_id
+        }
+
+@solar_system_moon.route("/<moon_id>", methods=["DELETE"])
+def delete_planet(moon_id):
+    moon = verify_item_id(Moon, moon_id)
+
+    db.session.delete(moon)
+    db.session.commit()
+
+    return make_response({"message": f"Moon {moon.id} has been deleted"}, 200)
+
+@solar_system_moon.route("/<moon_id>", methods=["PUT"])
+def update(moon_id):
+    moon = verify_item_id(Moon, moon_id)
+    request_body = request.get_json()
+
+    moon.name = request_body["name"]
+    moon.radius = request_body["radius"]
+    moon.planet_id = request_body["planet_id"]
+
+    db.session.commit()
+
+    return make_response({"message": f"Moon {moon.id} has been updated"}, 200)
+
+def verify_item_id(model, item_id):
+    try: 
+        item_id = int(item_id)
+    except ValueError:
+        abort(make_response({"message": f"Moon {item_id} is invalid"}, 400))
+    all_items = model.query.all()
+    for item in all_items:
+        if item.id == item_id:
+            return item
+    abort(make_response({"message": f"Moon {item_id} is not found"}, 404))
+

migrations/README

@@ -0,0 +1 @@
+Generic single-database configuration.

migrations/alembic.ini

@@ -0,0 +1,45 @@
+# 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
+
+[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
+
+[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 +1,96 @@
+from __future__ import with_statement
+
+import logging
+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+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')
+
+# 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',
+    str(current_app.extensions['migrate'].db.engine.url).replace('%', '%%'))
+target_metadata = current_app.extensions['migrate'].db.metadata
+
+# 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 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=target_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.')
+
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix='sqlalchemy.',
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            process_revision_directives=process_revision_directives,
+            **current_app.extensions['migrate'].configure_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()