diff --git a/app/__init__.py b/app/__init__.py index 70b4cabfe..99e0fbb29 100644 --- a/app/__init__.py +++ b/app/__init__.py @@ -1,7 +1,27 @@ 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__) + if not test_config: + app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False + 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") + + from app.models.planet import Planet + db.init_app(app) + migrate.init_app(app, db) + from .routes import planets_bp + app.register_blueprint(planets_bp) return app diff --git a/app/models/__init__.py b/app/models/__init__.py new file mode 100644 index 000000000..e69de29bb diff --git a/app/models/planet.py b/app/models/planet.py new file mode 100644 index 000000000..96446fbc6 --- /dev/null +++ b/app/models/planet.py @@ -0,0 +1,22 @@ +from app import db + +class Planet(db.Model): + id = db.Column(db.Integer,primary_key = True, autoincrement = True) + name = db.Column(db.String) + description = db.Column(db.Text) + form = db.Column(db.String) + + def to_dict(self): + planet_dict = {} + planet_dict["id"] = self.id + planet_dict["name"] = self.name + planet_dict["description"] = self.description + planet_dict["form"] = self.form + + return planet_dict + @classmethod + def from_dict(cls, planet_data): + new_planet = Planet(name=planet_data["name"], + description=planet_data["description"], + form=planet_data["form"]) + return new_planet \ No newline at end of file diff --git a/app/routes.py b/app/routes.py index 8e9dfe684..998e78ad7 100644 --- a/app/routes.py +++ b/app/routes.py @@ -1,2 +1,80 @@ -from flask import Blueprint +from flask import Blueprint, jsonify, abort, make_response, request +from app.models.planet import Planet +from app import db +# class Planet: +# def __init__(self, id, name, description, diameter): +# self.id = id +# self.name = name +# self.description = description +# self.diameter = diameter + +# planets = [Planet(1, 'Venus', 'The hottest planet',12104 ), +# Planet(2,'Mercury', 'Has no natural satellite', 4879), +# Planet(3,'Earth', 'The only planet where life is found', 12742 ) + +# ] + +planets_bp= Blueprint('planets', __name__,url_prefix='/planets') +# Helper function +def validate_model(cls,model_id): + try: + model_id = int(model_id) + except: + abort(make_response({"message": f" {cls.__name__} {model_id} invalid"}, 400)) + + model = cls.query.get(model_id) + if not model: + abort(make_response({"message":f"{cls.__name__} {model_id} not found"}, 404)) + return model + + + +# Routes +@planets_bp.route("", methods=['POST']) +def create_planet(): + request_body = request.get_json() + new_planet = Planet.from_dict(request_body) + db.session.add(new_planet) + db.session.commit() + return make_response(jsonify(f"Planet {new_planet.name} was created successfully"), 201) + +@planets_bp.route("", methods=['GET']) + +def read_all_planets(): + name_query = request.args.get("name") + if name_query: + planets = Planet.query.filter_by(name=name_query) + else: + planets = Planet.query.all() + planet_records= [] + for planet in planets: + planet_records.append( + planet.to_dict()) + return jsonify(planet_records) + + +@planets_bp.route("/", methods= ['GET']) +def get_one_planet(planet_id): + planet = validate_model(Planet, planet_id) + + return planet.to_dict() + + +@planets_bp.route("/", 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.form = request_body["form"] + + db.session.commit() + return make_response(jsonify(f"Planet {planet_id} updated succesffuly"), 200) + +@planets_bp.route("/", 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} deleted successfully")) \ No newline at end of file diff --git a/migrations/README b/migrations/README new file mode 100644 index 000000000..98e4f9c44 --- /dev/null +++ b/migrations/README @@ -0,0 +1 @@ +Generic single-database configuration. \ No newline at end of file diff --git a/migrations/alembic.ini b/migrations/alembic.ini new file mode 100644 index 000000000..f8ed4801f --- /dev/null +++ b/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 diff --git a/migrations/env.py b/migrations/env.py new file mode 100644 index 000000000..8b3fb3353 --- /dev/null +++ b/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() diff --git a/migrations/script.py.mako b/migrations/script.py.mako new file mode 100644 index 000000000..2c0156303 --- /dev/null +++ b/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"} diff --git a/migrations/versions/ba182818ae97_changed_name_to_solar.py b/migrations/versions/ba182818ae97_changed_name_to_solar.py new file mode 100644 index 000000000..e7bf8e473 --- /dev/null +++ b/migrations/versions/ba182818ae97_changed_name_to_solar.py @@ -0,0 +1,42 @@ +"""changed name to solar + +Revision ID: ba182818ae97 +Revises: e9b8e201f964 +Create Date: 2023-04-26 16:13:55.883068 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'ba182818ae97' +down_revision = 'e9b8e201f964' +branch_labels = None +depends_on = None + + +def upgrade(): + # ### commands auto generated by Alembic - please adjust! ### + op.create_table('planet', + sa.Column('id', sa.Integer(), autoincrement=True, nullable=False), + sa.Column('name', sa.String(), nullable=True), + sa.Column('description', sa.Text(), nullable=True), + sa.Column('form', sa.String(), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + op.drop_table('solar') + # ### end Alembic commands ### + + +def downgrade(): + # ### commands auto generated by Alembic - please adjust! ### + op.create_table('solar', + sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False), + sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=True), + sa.Column('description', sa.TEXT(), autoincrement=False, nullable=True), + sa.Column('form', sa.VARCHAR(), autoincrement=False, nullable=True), + sa.PrimaryKeyConstraint('id', name='solar_pkey') + ) + op.drop_table('planet') + # ### end Alembic commands ### diff --git a/migrations/versions/e9b8e201f964_created_solar_model.py b/migrations/versions/e9b8e201f964_created_solar_model.py new file mode 100644 index 000000000..b3e1943a0 --- /dev/null +++ b/migrations/versions/e9b8e201f964_created_solar_model.py @@ -0,0 +1,34 @@ +"""created Solar model + +Revision ID: e9b8e201f964 +Revises: +Create Date: 2023-04-26 15:23:17.593584 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'e9b8e201f964' +down_revision = None +branch_labels = None +depends_on = None + + +def upgrade(): + # ### commands auto generated by Alembic - please adjust! ### + op.create_table('solar', + sa.Column('id', sa.Integer(), autoincrement=True, nullable=False), + sa.Column('name', sa.String(), nullable=True), + sa.Column('description', sa.Text(), nullable=True), + sa.Column('form', sa.String(), nullable=True), + sa.PrimaryKeyConstraint('id') + ) + # ### end Alembic commands ### + + +def downgrade(): + # ### commands auto generated by Alembic - please adjust! ### + op.drop_table('solar') + # ### end Alembic commands ### diff --git a/tests/__init__.py b/tests/__init__.py new file mode 100644 index 000000000..e69de29bb diff --git a/tests/conftest.py b/tests/conftest.py new file mode 100644 index 000000000..ec286a144 --- /dev/null +++ b/tests/conftest.py @@ -0,0 +1,31 @@ +import pytest +from app import create_app +from app import db +from flask.signals import request_finished +from app.models.planet import Planet + +@pytest.fixture +def app(): + app = create_app({"TESTING" : True}) + + @request_finished.connect_via(app) + def expire_session(sender, response, **extra): + db.session.remove() + + with app.app_context(): + db.create_all() + yield app + with app.app_context(): + db.drop_all() + +@pytest.fixture +def client(app): + return app.test_client() + +@pytest.fixture +def saved_planets(app): + planet_mercury = Planet(name = "Mercury", description = "rocky planet", form = "solid" ) + planet_venus = Planet(name = "Venus", description = "gassy planet", form = "gas" ) + db.session.add_all([planet_mercury, planet_venus]) + db.session.commit() + \ No newline at end of file diff --git a/tests/test_routes.py b/tests/test_routes.py new file mode 100644 index 000000000..b800ff91e --- /dev/null +++ b/tests/test_routes.py @@ -0,0 +1,50 @@ +from app.models.planet import Planet +def test_get_all_planets_no_record(client): + response = client.get("/planets") + response_body = response.get_json() + + # assert + assert response.status_code == 200 + assert response_body == [] + +def test_get_one_planet_with_test_data(client, saved_planets): + response = client.get("/planets/1") + response_body = response.get_json() + + assert response.status_code == 200 + assert response_body == { + "id": 1, + "name": "Mercury", + "description": "rocky planet", + "form": "solid" + } +def test_get_one_planet_with_no_data(client): + response = client.get("/planets/1") + response_body = response.get_json() + + assert response.status_code == 404 + assert response_body == {"message":"Planet 1 not found"} + +def test_get_planets_with_valid_test_data(client, saved_planets): + response = client.get("/planets") + response_body = response.get_json() + + assert response.status_code == 200 + assert len(response_body) == 2 + assert response_body[0] == {"id":1, "name":"Mercury", + "description":"rocky planet", "form":"solid" } + +def test_create_one_planet(client): + PLANET_DICT = {"name": "Saturn", + "description":"made of hydrogen", + "form":"gas"} + response = client.post("/planets", json=PLANET_DICT) + response_body = response.get_json() + + actual_planet = Planet.query.get(1) + + assert response.status_code == 201 + assert response_body == "Planet Saturn was created successfully" + assert actual_planet.name == "Saturn" + assert actual_planet.description == "made of hydrogen" + assert actual_planet.form =="gas" \ No newline at end of file