app/__init__.py

@@ -2,13 +2,13 @@ from flask import Flask
 from flask_jwt_extended import JWTManager
 from flask_mail import Mail
 from flasgger import Swagger
-
+from flask_cors import CORS
-from app.doc.main_swag import main_swagger
 
 app = Flask(__name__)
 jwt_manager = JWTManager(app)
 mail = Mail(app)
-swag = Swagger(app, template=main_swagger)
+swag = Swagger(app)
+cors = CORS(app)
 
 def create_app():
 	from app.api import bp, bp_errors, bp_product, bp_user, bp_cart

app/api/routes/cart_routes.py

@@ -1,7 +1,7 @@
 from flask import jsonify, abort, request
 from flask_jwt_extended import jwt_required, get_jwt_identity
 
-from app.doc.cart_swag import show_cart_swagger, add_to_cart_swagger
+from app.doc.cart import show_cart_swagger, add_to_cart_swagger
 
 from flasgger import swag_from
 

app/api/routes/main_routes.py

@@ -1,11 +1,12 @@
 from flask import jsonify, abort
-from flasgger import swag_from
 
-from app.doc.root_swag import root_swagger
+from app.doc.main import main_swagger
+
+from flasgger import swag_from
 
 from app.api import bp
 
 @bp.route('/')
-@swag_from(root_swagger)
+@swag_from(main_swagger)
 def hello():
 	return jsonify({'message': 'Hello, Flask!'})

app/api/routes/product_routes.py

@@ -1,7 +1,7 @@
 from flask import jsonify, abort, request
 from flask_jwt_extended import jwt_required, get_jwt_identity
 
-from app.doc.product_swag import get_products_swagger
+from app.doc.product import get_products_swagger
 
 from flasgger import swag_from
 

app/api/routes/user_routes.py

@@ -2,10 +2,6 @@ from app.api import bp_user
 from flask_jwt_extended import jwt_required, get_jwt_identity, get_jwt
 from flask import request, abort
 
-from flasgger import swag_from
-
-from app.doc.user_swag import login_swagger
-
 from app.services.user_service import UserService
 
 @bp_user.route('/register', methods=['POST'])
@@ -23,7 +19,6 @@ def register():
 	return result, status_code
 
 @bp_user.route('/login', methods=['POST'])
-@swag_from(login_swagger)
 def login():
 	username = request.json.get('username')
 	password = request.json.get('password')

app/doc/cart.py

@@ -1,8 +1,13 @@
 show_cart_swagger = {
 	"tags": ["Cart"],
-	"security":
+	"parameters":
 	[
-		{"JWT": []}
+		{
+			"name": "Authorization",
+			"in": "header",
+			"type": "string",
+			"required": True
+		}
 	],
 	"responses":
 	{
@@ -40,25 +45,24 @@ show_cart_swagger = {
 
 add_to_cart_swagger ={
 	"tags": ["Cart"],
-	"security":
-	[
-		{"JWT": []}
-	],
 	"parameters":
 	[
+		{
+			"name": "Authorization",
+			"in": "header",
+			"type": "string",
+			"required": True
+		},
 		{
 			"name": "product_id",
-			"description": "ID of product to add to cart.",
 			"in": "path",
 			"type": "int",
+			"required": True
 		},
 		{
 			"name": "count",
-			"description": "Count of the products. If not provided, defaults to 1",
 			"in": "query",
 			"type": "int",
-			"default": 1,
-			"minimum": 1,
 			"required": False
 		}
 	],
@@ -70,7 +74,7 @@ add_to_cart_swagger ={
 		},
 		"400":
 		{
-			"description": "Causes:\n- Count is < 1"
+			"description": "Incorrect usage. For example id of product not found or product count < 1"
 		}
 	}
 }

app/doc/main.py

@@ -1,5 +1,8 @@
-root_swagger = {
+main_swagger = {
 	"methods": ["GET"],
+	"parameters": [
+		
+	],
 	"responses":
 	{
 		"200":
@@ -8,8 +11,7 @@ root_swagger = {
 			"schema":
 			{
 				"type": "object",
-				"properties":
+				"properties": {
-				{
 					"message": {"type": "string", "example": "Hello, Flask!"}
 				}
 			}

app/doc/main_swag.py

@@ -1,18 +0,0 @@
-main_swagger = {
-	"info": {
-		"title": "Shop API",
-		"version": "0.1",
-		"description": "Simple shop API using flask and co.\nFeatures include:\n- Not working\n- Successful registration of users\n- Adding items to cart\n- I don't know",
-	},
-	"host": "localhost:1236",
-	"schemes": "http",
-	"securityDefinitions": {
-		"JWT": {
-			"type": "apiKey",
-			"scheme": "bearer",
-			"name": "Authorization",
-			"in": "header",
-			"description": "JWT Authorization header using the Bearer scheme.\n*Make sure to prefix the token with **Bearer**!*"
-		}
-	}
-}

app/doc/product.py

@@ -0,0 +1,23 @@
+get_products_swagger = {
+    "paths": {
+        "/get": {
+            "get": {
+                "summary": "Get products",
+                "responses": {
+                    "200": {
+                        "description": "Successfully retrieved products",
+                        "schema": {
+                            "type": "object",
+                            "properties": {
+                                "products": {"type": "array", "items": {"type": "object", "properties": {"id": {"type": "int"}, "name": {"type": "string"}, "price": {"type": "float"}}}}
+                            }
+                        }
+                    },
+                    "400": {
+                        "description": "Bad request"
+                    }
+                }
+            }
+        }
+    }
+}

app/doc/product_swag.py

@@ -1,21 +0,0 @@
-get_products_swagger = {
-	"methods": ["GET"],
-	"tags": ["Products"],
-	"parameters": [
-		
-	],
-	"responses":
-	{
-		"200":
-		{
-			"description": "Get a page of products",
-			"schema":
-			{
-				"type": "object",
-				"properties": {
-					"message": {"type": "string", "example": "Hello, Flask!"}
-				}
-			}
-		}
-	}
-}

app/doc/user_swag.py

@@ -1,45 +0,0 @@
-login_swagger = {
-	"methods": ["POST"],
-	"tags": ["User"],
-	"description": "Logs in using username and password and returns a JWT token for further authorization of requests.\n**The token is valid for 1 hour**",
-	"parameters":
-	[
-		{
-			"in": "body",
-			"name": "body",
-			"description": "Username and password payload",
-			"required": True,
-			"schema":
-			{
-				"type": "object",
-				"properties":
-				{
-					"username": {"type": "string", "example": "mycoolusername"},
-					"password": {"type": "string", "example": "MyStrongPassword123"}
-				}
-			}
-		}
-	],
-	"responses":
-	{
-		"200":
-		{
-			"description": "Returns a fresh token",
-			"schema":
-			{
-				"type": "object",
-				"properties": {
-					"token": {"type": "string", "example": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmcmVzaCI6ZmFsc2UsImlhdCI6MTcxMDMyMjkyOCwianRpIjoiZDFhYzQxZDktZjA4NC00MmYzLThlMWUtZWFmZjJiNGU1MDAyIiwidHlwZSI6ImFjY2VzcyIsInN1YiI6MjMwMDEsIm5iZiI6MTcxMDMyMjkyOCwiZXhwIjoxNzEwMzI2NTI4fQ.SW7LAi1j5vDOEIvzeN-sy0eHPP9PFJFkXYY029O35w0"}
-				}
-			}
-		},
-		"400":
-		{
-			"description": "Possible causes:\n- Missing username or password from request.\n- Nonexistent username"
-		},
-		"401":
-		{
-			"description": "Password is incorrect"
-		}
-	}
-}

app/services/cart_service.py

@@ -23,18 +23,17 @@ class CartService:
 				cursor.execute("select count from cart_item where cart_id = %s and product_id = %s", (user_id, product_id))
 				result = cursor.fetchone()
 
-				if cursor.rowcount == 1:
+				if cursor.rowcount != 0:
 					cursor.execute("update cart_item set count = count + %s where cart_id = %s and product_id = %s", (count, user_id, product_id))
 				else:
 					cursor.execute("insert into cart_item(cart_id, product_id, count) values (%s, %s, %s)", (user_id, product_id, count))
 
 				db_connection.commit()
 
+				return {"Success": "Successfully added to cart"}, 200
 
 		except Error as e:
-			return {"Failed": f"Failed to add item to cart. Reason: {e}"}, 500
+			return {"Failed": f"Failed to add item to cart. Reason: {e}"}, 400
-
-		return {"Success": "Successfully added to cart"}, 200
 
 	@staticmethod
 	def update_count(user_id: str, product_id: int, count: int) -> Tuple[Union[dict, str], int]:

requirements.txt

@@ -3,8 +3,7 @@ gunicorn==20.1.0
 mysql-connector-python==8.3.0
 python-dotenv==1.0.1
 Flask-JWT-Extended==4.5.3
-flasgger==0.9.7.1
-Flask-Mail==0.9.1
 PyJWT==2.8.0
+Flask-Mail==0.9.1
 redis==4.5.4
 bcrypt==4.1.2