✨ (Many-to-many) Add start and end folders in lectures

Author: jslvtr

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/README.md

@@ -3,6 +3,12 @@ title: One-to-many relationships review
 description: A super-quick look at creating the Tag model and setting up the one-to-many relationship with Stores.
 ---
 
+- [x] Set metadata above
+- [x] Start writing!
+- [x] Create `start` folder
+- [x] Create `end` folder
+- [ ] Create per-file diff between `end` and `start` (use "Compare Folders")
+
 # One-to-many relationship between Tag and Store
 
 Since we've already learned how to set up one-to-many relationships with SQLAlchemy when we looked at Items and Stores, let's go quickly in this section.
@@ -139,5 +145,51 @@ class Tag(MethodView):
     def get(self, tag_id):
         tag = TagModel.query.get_or_404(tag_id)
         return tag
+```
+
+## Register the Tag blueprint in `app.py`
+
+Finally, we need to remember to import the blueprint and register it!
+
+```python title="app.py"
+from flask import Flask
+from flask_smorest import Api
+
+import models
+
+from db import db
+from resources.item import blp as ItemBlueprint
+from resources.store import blp as StoreBlueprint
+# highlight-start
+from resources.tag import blp as TagBlueprint
+# highlight-end
+
+
+def create_app(db_url=None):
+    app = Flask(__name__)
+    app.config["API_TITLE"] = "Stores REST API"
+    app.config["API_VERSION"] = "v1"
+    app.config["OPENAPI_VERSION"] = "3.0.3"
+    app.config["OPENAPI_URL_PREFIX"] = "/"
+    app.config["OPENAPI_SWAGGER_UI_PATH"] = "/swagger-ui"
+    app.config[
+        "OPENAPI_SWAGGER_UI_URL"
+    ] = "https://cdn.jsdelivr.net/npm/swagger-ui-dist/"
+    app.config["SQLALCHEMY_DATABASE_URI"] = db_url or "sqlite:///data.db"
+    app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
+    app.config["PROPAGATE_EXCEPTIONS"] = True
+    db.init_app(app)
+    api = Api(app)
+
+    @app.before_first_request
+    def create_tables():
+        db.create_all()
+
+    api.register_blueprint(ItemBlueprint)
+    api.register_blueprint(StoreBlueprint)
+    # highlight-start
+    api.register_blueprint(TagBlueprint)
+    # highlight-end
 
+    return app
 ```

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/.flaskenv

@@ -0,0 +1,2 @@
+FLASK_APP=app
+FLASK_ENV=development

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.10
+EXPOSE 5000
+WORKDIR /app
+COPY ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+COPY . .
+CMD ["flask", "run", "--host", "0.0.0.0"]

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/app.py

@@ -0,0 +1,36 @@
+from flask import Flask
+from flask_smorest import Api
+
+import models
+
+from db import db
+from resources.item import blp as ItemBlueprint
+from resources.store import blp as StoreBlueprint
+from resources.tag import blp as TagBlueprint
+
+
+def create_app(db_url=None):
+    app = Flask(__name__)
+    app.config["API_TITLE"] = "Stores REST API"
+    app.config["API_VERSION"] = "v1"
+    app.config["OPENAPI_VERSION"] = "3.0.3"
+    app.config["OPENAPI_URL_PREFIX"] = "/"
+    app.config["OPENAPI_SWAGGER_UI_PATH"] = "/swagger-ui"
+    app.config[
+        "OPENAPI_SWAGGER_UI_URL"
+    ] = "https://cdn.jsdelivr.net/npm/swagger-ui-dist/"
+    app.config["SQLALCHEMY_DATABASE_URI"] = db_url or "sqlite:///data.db"
+    app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
+    app.config["PROPAGATE_EXCEPTIONS"] = True
+    db.init_app(app)
+    api = Api(app)
+
+    @app.before_first_request
+    def create_tables():
+        db.create_all()
+
+    api.register_blueprint(ItemBlueprint)
+    api.register_blueprint(StoreBlueprint)
+    api.register_blueprint(TagBlueprint)
+
+    return app

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/db.py

@@ -0,0 +1,3 @@
+from flask_sqlalchemy import SQLAlchemy
+
+db = SQLAlchemy()

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/models/__init__.py

@@ -0,0 +1,4 @@
+from models.item import ItemModel
+from models.tag import TagModel
+from models.store import StoreModel
+from models.item_tags import ItemsTags

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/models/item.py

@@ -0,0 +1,14 @@
+from db import db
+
+
+class ItemModel(db.Model):
+    __tablename__ = "items"
+
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(80), unique=True, nullable=False)
+    price = db.Column(db.Float(precision=2), unique=False, nullable=False)
+
+    store_id = db.Column(
+        db.Integer, db.ForeignKey("stores.id"), unique=False, nullable=False
+    )
+    store = db.relationship("StoreModel", back_populates="items")

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/models/store.py

@@ -0,0 +1,11 @@
+from db import db
+
+
+class StoreModel(db.Model):
+    __tablename__ = "stores"
+
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(80), unique=True, nullable=False)
+
+    tags = db.relationship("TagModel", back_populates="store", lazy="dynamic")
+    items = db.relationship("ItemModel", back_populates="store", lazy="dynamic")

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/models/tag.py

@@ -0,0 +1,11 @@
+from db import db
+
+
+class TagModel(db.Model):
+    __tablename__ = "tags"
+
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(80), unique=True, nullable=False)
+    store_id = db.Column(db.String(), db.ForeignKey("stores.id"), nullable=False)
+
+    store = db.relationship("StoreModel", back_populates="tags")

docs/docs/07_sqlalchemy_many_to_many/02_one_to_many_review/end/requirements.txt

@@ -0,0 +1,7 @@
+Flask-JWT-Extended
+Flask-Smorest
+Flask-SQLAlchemy
+passlib
+marshmallow
+python-dotenv
+gunicorn