Sea Turtles Solar System API Part 1 Tyrah and San

app/__init__.py

@@ -1,7 +1,51 @@
 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()
+
+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_TRACK_MODIFICATIONS"] = False
+        app.config["SQLALCHEMY_DATABASE_URI"] = os.environ.get(
+            "SQLALCHEMY_TEST_DATABASE_URI")
+
+    db.init_app(app)
+    migrate.init_app(app, db)
+
+    from app.models.planet import Planet
+
+    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')
+
+
+    db.init_app(app)
+    migrate.init_app(app, db)
+
+    from .models.planet import Planet
+
+    from .routes import bp
+    app.register_blueprint(bp)
 
-    return app
+    return app

app/models/__init__.py

@@ -0,0 +1,29 @@
+# from flask import Flask
+# from flask_sqlalchemy import SQLAlchemy
+# from flask_migrate import Migrate
+
+# db = SQLAlchemy()
+# migrate = Migrate()
+
+
+# def create_app(test_config=None):
+#     app = Flask(__name__)
+
+#     app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+
+#     if not test_config:
+
+#         app.config['SQLALCHEMY_DATABASE_URI'] = SQLALCHEMY_DATABASE_URI
+
+#     else: 
+#         app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql+psycopg2://postgres:postgres@localhost:5432/solar_system_development'
+
+#     from app.models.planet import Planet 
+
+#     db.init_app(app)
+#     migrate.init_app(app, db)
+
+#     # from .routes import bp
+#     # app.register_blueprint(bp)
+
+#     return app

app/models/planet.py

@@ -0,0 +1,17 @@
+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, nullable=False)
+    has_moon = db.Column(db.Boolean, nullable=False)
+
+
+    #planet turn itself into dictionary
+    def to_dict(self):
+        return ({
+            "id": self.id,
+            "name": self.name,
+            "description":  self.description,
+            "has_moon":  self.has_moon
+        })

app/routes.py

@@ -1,2 +1,114 @@
-from flask import Blueprint
 
+import re
+from flask import Blueprint, jsonify, abort, make_response, request
+from app import db
+from .models.planet import Planet
+
+
+
+#instantiate blueprint object
+bp = Blueprint("planets_bp",__name__, url_prefix="/planets")
+
+#helper function to get one planet by id or return error message
+def get_planet_by_id(id):
+    try:
+        id = int(id)
+    except ValueError:
+        abort(make_response(jsonify(dict(details=f"Invalid id {id}")), 400))
+
+    planet = Planet.query.get(id)
+
+    if planet:
+        return planet 
+
+    else: 
+        abort(make_response(jsonify(dict(details=f"Invalid id {id}")), 404))
+
+#create a planet
+@bp.route("", methods=["POST"])
+def create_planet():
+    request_body = request.get_json()
+    new_planet = Planet(
+        name=request_body["name"],
+        description=request_body["description"],
+        has_moon=request_body["has_moon"],
+    )
+    db.session.add(new_planet)
+    db.session.commit()
+
+    return make_response(f"Planet {new_planet.name} successfully created"), 201
+
+#read all planets
+@bp.route("", methods=["GET"])
+def read_all_planets():
+    #query params for /planets endpoint
+    #planets?<key>=<value>
+    name_query = request.args.get("name")
+    description_query = request.args.get("description")
+    has_moon_query = request.args.get("has_moon")
+
+
+    if name_query:
+        planets = Planet.query.filter_by(name=name_query)
+    elif description_query:
+        planets = Planet.query.filter_by(description=description_query)
+    elif has_moon_query:
+        planets = Planet.query.filter_by(has_moon=has_moon_query)
+    else:
+        planets = Planet.query.all()
+    planets_response = [planet.to_dict() for planet in planets]
+    return jsonify(planets_response)
+
+#get one existing planet   
+@bp.route("/<planet_id>", methods=["GET"])
+def read_one_planet(planet_id):
+    planet = get_planet_by_id(planet_id)
+    return jsonify(planet.to_dict())
+
+#replace one existing planet
+@bp.route("/<planet_id>", methods=["PUT"])
+def replace_one_planet_by_id(planet_id):
+    request_body = request.get_json()
+    planet = get_planet_by_id(planet_id)
+
+
+    planet.name = request_body["name"]
+    planet.description = request_body["description"]
+    planet.has_moon = request_body["has_moon"]
+
+    db.session.commit()
+
+
+    return make_response(f"Planet {planet.id} successfully updated"), 200
+
+
+#update part of one existing planet
+@bp.route("<planet_id>", methods=["PATCH"])
+def update_planet_by_id(planet_id):
+    request_body = request.get_json()
+    planet = get_planet_by_id(planet_id)
+
+    planet_keys = request_body.keys()
+
+    if "name" in planet_keys:
+        planet.name = request_body["name"]
+    if "description" in planet_keys:
+        planet.description = request_body["description"]
+    if "has_moon" in planet_keys:
+        planet.has_moon = request_body["has_moon"]
+
+    db.session.commit()
+
+    return make_response(f"Planet {planet.id} successfully updated"), 200
+
+#delete record of planet
+@bp.route("/<planet_id>", methods=["DELETE"])
+def delete_planet(planet_id):
+    planet = get_planet_by_id(planet_id)
+
+    db.session.delete(planet)
+    db.session.commit()
+
+    return make_response(f"Planet #{planet.id} successfully deleted")
+
+

migrations/README

@@ -0,0 +1,5 @@
+<<<<<<< HEAD
+Single-database configuration for Flask.
+=======
+Generic single-database configuration.
+>>>>>>> 5952d2681d2751f9f45eb2cf8657682d11f7f463

migrations/alembic.ini

@@ -0,0 +1,53 @@
+# 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
+keys = root,sqlalchemy,alembic
+>>>>>>> 5952d2681d2751f9f45eb2cf8657682d11f7f463
+
+[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
+
+<<<<<<< HEAD
+[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 +1,96 @@
+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()