Backend Boilerplate

app.py

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+from services import (UserService, UserListService)
+from config import app, api, docs, CORS
+
+#*______________ Service Registration ______________
+api.add_resource(UserService, '/api/user/<user_id>')
+docs.register(UserService)
+api.add_resource(UserListService, '/api/list/user')
+docs.register(UserListService)
+#*______________ Application Creation ______________
+if __name__ == '__main__':
+    app.run(debug=True)
+
+    

config.py

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+from flask import Flask
+from flask_restful import Api
+from apispec import APISpec
+from apispec.ext.marshmallow import MarshmallowPlugin
+from flask_apispec.extension import FlaskApiSpec
+from flask_marshmallow import Marshmallow
+from flask_sqlalchemy import SQLAlchemy
+from flask_cors import CORS
+#!______________ App Setup _____________    _
+app = Flask(__name__, static_url_path='/static')
+api_v1_cors_config = {
+  "origins": ["http://localhost:5000"]
+}
+
+#!______________ CORS Setup _____________    _
+CORS(app, resources={"/api/*": api_v1_cors_config})
+
+#!______________ DB Setup ______________
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///markdown.db'
+app.config['SECRET_KEY'] = 'InputSecretKeyHere'
+db = SQLAlchemy(app)
+
+#!______________ Marshmallow Setup ______________
+ma = Marshmallow(app)
+
+#!______________ API & Swagger Setup ______________
+api = Api(app)
+app.config.update({
+    'APISPEC_SPEC': APISpec(
+        title='Markdown Presenter',
+        version='v0.0.1',
+        plugins=[MarshmallowPlugin()],
+        openapi_version='2.0.0'
+    ),
+    'APISPEC_SWAGGER_URL': '/swagger/',
+    'APISPEC_SWAGGER_UI_URL': '/swagger-ui/'
+})
+
+#!______________ Docs Setup ______________
+docs = FlaskApiSpec(app)

models.py

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+from config import db
+
+#!______________ DB Models ______________
+class User(db.Model):
+    __tablename__ = "User" 
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(50))
+    image = db.Column(db.String())
+    description = db.Column(db.String())
+

rebuild_db.py

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+import os
+from config import db
+from termcolor import colored
+from config import app
+
+def RebuildDatabase():
+    if os.path.exists('acceth.db'):
+        print(colored('Removing existing DB', 'blue'))
+        os.remove('acceth.db')
+    
+    with app.app_context():
+        db.create_all()
+        db.session.commit()
+        
+    print(colored('New DB created.', 'green'))
+
+if __name__ == '__main__':
+    RebuildDatabase()

schemes.py

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+from marshmallow_sqlalchemy import SQLAlchemyAutoSchema
+from config import db
+from models import User
+from marshmallow import fields
+
+#*______________ Base Schema ______________
+class BaseScheme(SQLAlchemyAutoSchema):
+    def __str__(self):
+        return str(self.__class__) + ": " + str(self.__dict__)
+    class Meta:
+        ordered = True
+        sqla_session = db.session
+        include_fk = True
+        load_instance = True
+
+#*______________ User Schemes ______________
+class UserSchema(BaseScheme):
+    class Meta(BaseScheme.Meta):
+        model = User
+    id = fields.Int()
+    name = fields.Str()
+class UserInsertSchema(UserSchema):
+    user_id = fields.Int()
+class UserResponseSchema(UserSchema):
+    name = fields.Str()

services.py

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+from flask_apispec import marshal_with, doc, use_kwargs
+from flask_apispec.views import MethodResource
+from flask_restful import Resource
+from schemes import (UserSchema, UserResponseSchema)
+from config import db
+from models import User
+
+#!______________ User ______________
+class UserService(MethodResource, Resource):
+    @doc(description='Get User by User_id', tags=['User'])
+    @marshal_with(UserResponseSchema)
+    def get(self, user_id):
+        quser = db.session.query(User).get(user_id)
+        return UserSchema().dump(quser)
+
+    @doc(description='Add new User', tags=['User'])
+    @use_kwargs(UserSchema, location=('json'))
+    @marshal_with(UserResponseSchema())
+    def post(self, user, user_id):
+        db.session.add(user)
+        db.session.commit()
+        return UserSchema().dump(user)
+    
+    @doc(description='Update User with PUT', tags=['User'])
+    @use_kwargs(UserSchema, location=('json'))
+    @marshal_with(UserResponseSchema())
+    def put(self, user, user_id):
+        db.session.add(user)
+        db.session.commit()
+        return UserSchema().dump(user)
+
+    @doc(description='Delete existing User', tags=['User'])
+    @use_kwargs(UserSchema, location=('json'))
+    @marshal_with(UserResponseSchema())
+    def delete(self, user, user_id):
+        user = db.session.query(User).get(user_id)
+        db.session.delete(user)
+        db.session.commit()
+        return UserSchema().dump(user)
+
+class UserListService(MethodResource, Resource):
+    @doc(description='Get a List of all User', tags=['List'])
+    @marshal_with(UserResponseSchema(many=True))
+    def get(self):
+        users = db.session.query(User).all()
+        return UserSchema(many=True).dump(users)

wsgi.py

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+from config import app
+
+if __name__ == "__main__":
+    app.run()
+