Ocelots - Lisa Utsett, Xuan Hien Pham

Procfile

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+web: gunicorn 'app:create_app()'

app/__init__.py

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 from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_migrate import Migrate
+from dotenv import load_dotenv
+import os
 
+db = SQLAlchemy()
+migrate = Migrate()
+load_dotenv()
 
 def create_app(test_config=None):
     app = Flask(__name__)
+
+    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+    if not test_config:       
+        app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get('SQLALCHEMY_DATABASE_URI')
+    else:
+        app.config["Testing"] = True
+        app.config['SQLALCHEMY_TEST_DATABASE_URI'] = os.environ.get('SQLALCHEMY_TEST_DATABASE_URI')
+
+    from app.models.planet import Planet
+    from app.models.moon import Moon
+
+    db.init_app(app)
+    migrate.init_app(app, db)
+
+    from .planets_routes import planets_bp
+    app.register_blueprint(planets_bp)
+
+    from .moons_routes import moons_bp
+    app.register_blueprint(moons_bp)
 
     return app

app/models/moon.py

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+from app import db
+
+class Moon(db.Model):
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    size = db.Column(db.Integer)
+    description = db.Column(db.String)
+    name = db.Column(db.String)
+    planet_id = db.Column(db.Integer, db.ForeignKey('planet.id'))
+    planets = db.relationship("Planet", back_populates = "moons")
+
+    def to_dict(self):
+        moon_dict = {}
+        moon_dict["id"] = self.id
+        moon_dict["size"] = self.size
+        moon_dict["description"] = self.description
+        moon_dict["name"] = self.name
+        return moon_dict
+
+    @classmethod
+    def from_dict(cls, moon_data):
+        new_moon = Moon(
+            name = moon_data["name"],
+            description = moon_data["description"],
+            size = moon_data["size"]
+        )
+        return new_moon

app/models/planet.py

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+from app import db
+
+class Planet(db.Model):
+    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
+    name = db.Column(db.String, nullable=False)
+    description = db.Column(db.String)
+    diameter_in_km = db.Column(db.Integer)
+    moons = db.relationship("Moon", back_populates = "planets")
+
+
+    def to_dict(self):
+        planet_dict = {}
+        planet_dict["id"] = self.id
+        planet_dict["name"] = self.name
+        planet_dict["description"] = self.description
+        planet_dict["diameter_in_km"] = self.diameter_in_km
+        moon_names = []
+        for moon in self.moons:
+            moon_names.append(moon.name)
+        planet_dict["moons"] = moon_names
+        return planet_dict
+
+
+    @classmethod
+    def from_dict(cls, planet_data):
+        new_planet = Planet(
+            name = planet_data["name"],
+            description = planet_data["description"],
+            diameter_in_km = planet_data["diameter_in_km"]
+        )
+        return new_planet

app/moons_routes.py

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+from app import db
+from app.models.planet import Planet
+from app.models.moon import Moon
+from app.planets_routes import validate_model
+from app.models.moon import Moon
+from flask import Blueprint, jsonify, abort, make_response, request
+
+moons_bp = Blueprint("moons_bp", __name__, url_prefix="/moons")
+
+@moons_bp.route("", methods=["POST"])
+def create_moon():
+    moon_data = request.get_json()
+    new_moon = Moon.from_dict(moon_data)
+
+    db.session.add(new_moon)
+    db.session.commit()
+
+    return make_response(jsonify(f"Moon {new_moon.id} successfully created"), 201)
+
+@moons_bp.route("", methods=["GET"])
+def get_all_moons():
+    moons = Moon.query.all()
+
+    moons_response = []
+    for moon in moons:
+        moons_response.append(moon.to_dict())
+    return jsonify(moons_response)
+
+@moons_bp.route("/<moon_id>", methods=["GET"])
+def get_one_moon(moon_id):
+    moon = validate_model(Moon, moon_id)
+    return moon.to_dict()

app/planets_routes.py

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+from app import db
+from app.models.planet import Planet
+from app.models.moon import Moon
+from flask import Blueprint, jsonify, abort, make_response, request
+from sqlalchemy import desc, asc
+
+
+# ---------helper functions--------
+def sort_planet_query(planet_query, sort_query, order_query):
+    if not sort_query:
+        sort_query = "name"
+
+    if not order_query:
+        order_query = "asc"
+
+    if order_query == "desc":
+        planet_query = planet_query.order_by(desc(sort_query))
+    else:
+        planet_query = planet_query.order_by(asc(sort_query))
+
+    return planet_query
+
+
+
+def validate_model(cls, model_id):
+    try:
+        model_id = int(model_id)
+    except:
+        abort(make_response(jsonify({"message":f"{cls.__name__} {model_id} invalid"}), 400))
+
+    model = cls.query.get(model_id)
+
+    if not model:
+        abort(make_response(jsonify({"message":f"{cls.__name__} #{model_id} not found"}), 404))
+
+    return model
+
+
+# ------------route implementations-----------
+planets_bp = Blueprint("planets_bp", __name__, url_prefix="/planets")
+
+@planets_bp.route("", methods=["POST"])
+def create_planet():
+    request_body = request.get_json()
+
+    # if "name" not in request_body or "description" not in request_body or 'diameter_in_km' not in request_body:
+        # return make_response("Invalid Request", 400)
+    try:
+        new_planet = Planet.from_dict(request_body)
+    except KeyError as err:
+        abort(make_response({"message":f"Missing {err.args[0]}."}, 400))
+
+    db.session.add(new_planet)
+    db.session.commit()
+
+    return make_response(jsonify(f"Planet {new_planet.name} successfully created"), 201)
+
+
+@planets_bp.route("", methods=["GET"])
+def get_planets_optional_query():
+    planet_query = Planet.query
+    name_query = request.args.get("name")
+
+    if name_query:
+        planet_query = planet_query.filter(Planet.name.ilike(f"%{name_query}%"))
+
+    sort_query = request.args.get("sort")
+    order_query = request.args.get("order")
+
+    if sort_query or order_query:
+        planet_query = sort_planet_query(planet_query, sort_query, order_query)
+
+    planets = planet_query.all()
+    planets_response = []
+
+    for planet in planets:
+        planets_response.append(planet.to_dict())
+
+    return jsonify(planets_response)
+
+
+@planets_bp.route("/<planet_id>", methods=["GET"])
+def get_planet_by_id(planet_id):
+    planet = validate_model(Planet, planet_id)
+    return planet.to_dict()
+
+
+@planets_bp.route("/<planet_id>", methods=["PUT"])
+def update_planet(planet_id):
+    planet = validate_model(Planet, planet_id)
+    request_body = request.get_json()
+    planet.name = request_body["name"]
+    planet.description = request_body["description"]
+    planet.diameter_in_km = request_body["diameter_in_km"]
+
+    db.session.commit()
+    return make_response(jsonify(f"Planet #{planet_id} successfully updated."))
+
+
+@planets_bp.route("/<planet_id>", methods=["DELETE"])
+def delete_planet(planet_id):
+    planet = validate_model(Planet, planet_id)
+
+    db.session.delete(planet)
+    db.session.commit()
+    return make_response(jsonify(f"Planet #{planet_id} successfully deleted"))
+
+@planets_bp.route("/<planet_id>/moons", methods=["GET"])
+def get_all_moons_for_planet(planet_id):
+    planet = validate_model(Planet, planet_id)
+
+    moons_response = []
+    for moon in planet.moons:
+        moons_response.append(moon.to_dict())
+
+    return jsonify(moons_response)
+
+@planets_bp.route("/<planet_id>/moons", methods=["POST"])
+def add_new_moon_to_planet(planet_id):
+    planet = validate_model(Planet, planet_id)
+
+    request_body = request.get_json()
+    new_moon = Moon.from_dict(request_body)
+    new_moon.planet_id = planet_id
+
+    db.session.add(new_moon)
+    db.session.commit()
+
+
+    return make_response(jsonify({"message": f"Moon {new_moon.name} created with planet {planet.name}"}), 201)
+
+
+# --------------for testing-----------------
+# planets = [
+#     Planet(id = 3, name = "Earth", description = "habitable", diameter = 12756),
+#     Planet(id = 1, name = "Mercury", description = "inhabitable", diameter = 4879),
+#     Planet(id = 4, name = "Mars", description = "inhabitable", diameter = 6792)
+# 

migrations/README

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+Generic single-database configuration.

migrations/alembic.ini

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+# 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