Delivery Application

This is a delivery application that connects buyers, sellers, and dispatchers. It gives back control to the sellers and provides easy access for buyers to purchase products.

Features

• User Authentication: Secure login and registration for users.
• Category Management: Create, retrieve, update, and delete product categories.
• Product Management: Create, retrieve, update, delete, and manage products.
• Order Management: Place, track, and manage orders.
• Payment Processing: Handle payments, update payment status, and retrieve payment details.

Installation

1. Clone the repository:

   git clone https://github.com/dominic-source/Home_Deliverer.git

2. Set up a virtual environment:
   • ensure you are in the root directory of this repository

   python -m venv venv
   source venv/bin/activate

3. Install dependencies:

   pip install -r requirements.txt

4. Set up the database:
   • Setup Redis server
   • Confirm redis status

     redis-cli PING

     It should output PONG
   • Setup mysql server and start the service

     sudo service mysql start

   • Confirm status of the mysql

     sudo service mysql status

   • Initialize the database migration:

     flask db init
     flask db migrate
     flask db upgrade

5. create a .env file

   touch .env

   • paste the following content in the file

   SECRET_KEY=<paste your secret_key here>
   PYTHONDONTWRITEBYTECODE=1
   DELIVER_MYSQL_HOST=localhost
   DELIVER_MYSQL_DB=<type database name here>
   DELIVER_MYSQL_USER=<type database username here>
   DELIVER_MYSQL_PWD=<type database password here>
   DELIVER_MYSQL_PORT=<type port number here>
   GTP=<type your google password herekey here>
   

6. Create a new terminal and run consumer.py

       python -m flask_server.consumer

Usage

1. Run the application:

   python -m flask_server.app

2. Access the application:
   • Open your web browser and navigate to http://127.0.0.2:5000

API Endpoints

User API Endpoints

This module is used for user authentication and management. It includes the following endpoints:

User Registration

• URL: /api/v1/user/register
• Method: POST
• Auth required: No
• Data Params:
  • username (str): The desired username for the new user.
  • password (str): The desired password for the new user.
  • email (str): The email address of the new user.
  • first_name (str): The first name of the new user.
  • last_name (str): The last name of the new user.
  • phone_number (str): The phone number of the new user.
  • role (str): The role of the new user (e.g., 'buyer', 'seller', 'dispatcher').
• Success Response:
  • 201 Created: {"username": "username", "creation_date": "YYYY-MM-DD", "id": 123}
• Error Response:
  • 400 Bad Request: {"error": "Username already exists"} or {"error": "Invalid email format"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

User Login

• URL: /api/v1/user/login
• Method: POST
• Auth required: No
• Data Params:
  • username (str): The username of the user.
  • password (str): The password of the user.
• Success Response:
  • 200 OK: {"message": "Login successful", "token": "your_access_token"}
• Error Response:
  • 401 Unauthorized: {"error": "Invalid credentials"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

User Logout

• URL: /api/v1/user/logout
• Method: POST
• Auth required: Yes
• Data Params: None
• Success Response:
  • 200 OK: {"message": "Logout successful"}
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Get User

• URL: /api/v1/user/<int:id>
• Method: GET
• Auth required: Yes
• Data Params: None
• Success Response:
  • 200 OK: {"id": 123, "username": "username", "email": "[email protected]", "first_name": "First", "last_name": "Last", "phone_number": "1234567890", "role": "buyer", "creation_date": "YYYY-MM-DD"}
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "User not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Get All Users

• URL: /api/v1/users
• Method: GET
• Auth required: Yes
• Data Params: None
• Success Response:
  • 200 OK: [{"id": 123, "username": "username", "email": "[email protected]", "first_name": "First", "last_name": "Last", "phone_number": "1234567890", "role": "buyer", "creation_date": "YYYY-MM-DD"}, ...]
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "No users found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Update User

• URL: /api/v1/user/<int:id>
• Method: PUT
• Auth required: Yes
• Data Params:
  • email (str): The updated email address.
  • first_name (str): The updated first name.
  • last_name (str): The updated last name.
  • phone_number (str): The updated phone number.
• Success Response:
  • 200 OK: {"message": "User updated successfully"}
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "User not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Update User Password

• URL: /api/v1/user/password/<int:id>
• Method: PUT
• Auth required: Yes
• Data Params:
  • old_password (str): The user's current password.
  • new_password (str): The new password.
• Success Response:
  • 200 OK: {"message": "Password updated successfully"}
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "User not found"}
  • 400 Bad Request: {"error": "Incorrect old password"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Forgot Password

• URL: /api/v1/user/password/forgot
• Method: POST
• Auth required: No
• Data Params:
  • email (str): The user's email address.
• Success Response:
  • 200 OK: {"message": "Password reset email sent"}
• Error Response:
  • 404 Not Found: {"error": "User not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Payment API Endpoints

This document describes the API endpoints available in the payment.py module.

Update Payment

• URL: /api/v1/payment/<int:id>
• Method: PUT
• Auth required: Yes
• Arguments: id (int) - The ID of the payment to update.
• Data Params: status (str) - The new status of the payment.
• Success Response: {'message': 'Payment has been updated successfully'} with status code 200.
• Error Response: Various, including 401 Unauthorized and 500 Internal Server Error.

Create Payment

• URL: /api/v1/payment
• Method: POST
• Auth required: Yes
• Data Params:
  • payment_method (str) - The method of payment.
  • seller_amount (float) - The amount to be paid to the seller.
  • dispatcher_amount (float) - The amount to be paid to the dispatcher.
  • currency (str) - The currency of the payment.
  • order_id (int) - The ID of the order the payment is for.
• Success Response: {'message': 'Payment has been created successfully'} with status code 201.
• Error Response: Various, including 401 Unauthorized and 500 Internal Server Error.

Get Payments

• URL: /api/v1/payments/<int:order_id>
• Method: GET
• Auth required: Yes
• Arguments: order_id (int) - The ID of the order to retrieve payments for.
• Success Response: A list of payment data with status code 200.
• Error Response: Various, including 401 Unauthorized and 500 Internal Server Error.

Product API Endpoints

This module is used to manage the product. It provides several endpoints for creating, retrieving, updating, and deleting products.

Get Products by Category

• URL: /api/v1/products/categories/<int:id>
• Method: GET
• Auth required: No
• Data Params: None
• Success Response:
  • 200 OK: [{"name": "Product Name 1"}, {"name": "Product Name 2"}, ...]
• Error Response:
  • 400 Bad Request: {"error": "Category ID is required"}
  • 404 Not Found: {"error": "Category not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Get Products by Category

• URL: /api/v1/products/categories/<int:id>
• Method: GET
• Auth required: Yes
• Data Params: None
• Success Response:
  • 200 OK: [{"name": "Product Name 1"}, {"name": "Product Name 2"}, ...]
• Error Response:
  • 400 Bad Request: {"error": "Category ID is required"}
  • 404 Not Found: {"error": "Category not found"} or {"error": "No products found in this category"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Get Products by User

• URL: /api/v1/products/users
• Method: GET
• Auth required: Yes
• Data Params: None
• Success Response:
  • 200 OK: [{"id": 123, "name": "Product Name", "description": "Product Description", "price": 100.00, "currency": "USD", "category_id": 456, "quantity": 10, "owner_username": "Seller Username", "creation_date": "YYYY-MM-DD", "last_update_time": "YYYY-MM-DD"}, ...]
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "No products found for this user"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Update Product

• URL: /api/v1/product/<int:id>
• Method: PUT
• Auth required: Yes
• Data Params:
  • name (str, optional): The updated name of the product.
  • description (str, optional): The updated description of the product.
  • price (float, optional): The updated price of the product.
  • currency (str, optional): The updated currency of the product.
  • category_id (int, optional): The updated category ID of the product.
  • quantity (int, optional): The updated quantity of the product.
• Success Response:
  • 200 OK: {"message": "Product updated successfully"}
• Error Response:
  • 400 Bad Request: {"error": "Product ID is required"}
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "Product not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Get All Products

• URL: /api/v1/products
• Method: GET
• Auth required: No
• Data Params: None
• Success Response:
  • 200 OK: [{"id": 123, "name": "Product Name", "description": "Product Description", "price": 100.00, "currency": "USD", "category_id": 456, "quantity": 10, "owner_username": "Seller Username", "creation_date": "YYYY-MM-DD", "last_update_time": "YYYY-MM-DD"}, ...]
• Error Response:
  • 404 Not Found: {"error": "No products found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Get Product

• URL: /api/v1/product/<int:id>
• Method: GET
• Auth required: No
• Data Params: None
• Success Response:
  • 200 OK: {"id": 123, "name": "Product Name", "description": "Product Description", "price": 100.00, "currency": "USD", "category_id": 456, "quantity": 10, "owner_username": "Seller Username", "creation_date": "YYYY-MM-DD", "last_update_time": "YYYY-MM-DD"}
• Error Response:
  • 400 Bad Request: {"error": "Product ID is required"}
  • 404 Not Found: {"error": "Product not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Create Product

• URL: /api/v1/product
• Method: POST
• Auth required: Yes
• Data Params:
  • name (str): The name of the product.
  • description (str): The description of the product.
  • price (float): The price of the product.
  • currency (str): The currency of the product.
  • category_id (int): The ID of the category the product belongs to.
  • quantity (int): The quantity of the product.
• Success Response:
  • 201 Created: {"id": 123, "name": "Product Name", "owner_username": "Seller Username"}
• Error Response:
  • 400 Bad Request: {"error": "Missing required parameters"}
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "Category not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Delete Product

• URL: /api/v1/product/<int:id>
• Method: DELETE
• Auth required: Yes
• Data Params: None
• Success Response:
  • 200 OK: {"message": "Product deleted successfully"}
• Error Response:
  • 400 Bad Request: {"error": "Product ID is required"}
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "Product not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Category API Endpoints

This module is used to manage categories in the application. It provides endpoints for creating, deleting, retrieving a single category, and retrieving all categories.

Delete Category

• URL: /api/v1/category/<int:id>
• Method: DELETE
• Auth required: Yes (Admin)
• Data Params: None
• Success Response:
  • 200 OK: {"message": "Category deleted successfully"}
• Error Response:
  • 400 Bad Request: {"error": "Category ID is required"}
  • 404 Not Found: {"error": "Category not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Create Category

• URL: /api/v1/category
• Method: POST
• Auth required: Yes (Admin)
• Data Params:
  • name (str): The name of the category to create.
• Success Response:
  • 201 Created: {"name": "Category Name", "id": 123}
• Error Response:
  • 400 Bad Request: {"error": "Category name must be provided"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Get All Categories

• URL: /api/v1/categories
• Method: GET
• Auth required: Yes
• Data Params: None
• Success Response:
  • 200 OK: [{"id": 123, "name": "Category Name"}, ...]
• Error Response:
  • 404 Not Found: {"error": "No categories found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Get Category

• URL: /api/v1/category/<int:id>
• Method: GET
• Auth required: Yes
• Data Params: None
• Success Response:
  • 200 OK: {"id": 123, "name": "Category Name"}
• Error Response:
  • 400 Bad Request: {"error": "Category ID is required"}
  • 404 Not Found: {"error": "Category not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Order API Endpoints

This module is used to manage orders in the application. It provides endpoints for creating, retrieving, updating, and deleting orders.

Create Order

• URL: /api/v1/order
• Method: POST
• Auth required: Yes
• Data Params:
  • seller_id (int): The ID of the seller fulfilling the order.
  • dispatcher_id (int): The ID of the dispatcher assigned to the order.
  • delivery_address (str): The delivery address of the order.
  • orderitems (list): A list of dictionaries, each containing:
    • product_id (int): The ID of the product being ordered.
    • quantity (int): The quantity of the product being ordered.
• Success Response:
  • 201 Created: {"order_id": 123}
• Error Response:
  • 401 Unauthorized: {"error": "This route requires you use json"} or {"error": "Seller not found"} or {"error": "Dispatcher not found"} or {"error": "Product not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred!"}

Get All Orders (Admin Only)

• URL: /api/v1/all_orders
• Method: GET
• Auth required: Yes (Admin)
• Data Params: None
• Success Response:
  • 200 OK: [{"id": 123, "product_name": "Product Name", "buyer_username": "Buyer Username", "seller_username": "Seller Username", "dispatcher_username": "Dispatcher Username", "status": "pending", "total_amount": 100.00, "currency": "USD", "delivery_address": "123 Main St", "creation_date": "YYYY-MM-DD", "last_update_time": "YYYY-MM-DD"}, ...]
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 500 Internal Server Error: {"error": "An internal error occurred!"}

Get My Orders

• URL: /api/v1/my_orders
• Method: GET
• Auth required: Yes
• Data Params:
  • seller (str, optional): If 'true', returns orders where the user is the seller.
  • buyer (str, optional): If 'true', returns orders where the user is the buyer.
  • dispatcher (str, optional): If 'true', returns orders where the user is the dispatcher.
• Success Response:
  • 200 OK: {"buyer": [{"id": 123, "product_name": "Product Name", "buyer_username": "Buyer Username", "seller_username": "Seller Username", "dispatcher_username": "Dispatcher Username", "status": "pending", "total_amount": 100.00, "currency": "USD", "delivery_address": "123 Main St", "creation_date": "YYYY-MM-DD", "last_update_time": "YYYY-MM-DD"}, ...], "seller": [...], "dispatcher": [...]}
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 500 Internal Server Error: {"error": "An internal error occurred!"}

Get Order Items

• URL: /api/v1/order_items/<id>
• Method: GET
• Auth required: Yes (Buyer, Seller, or Dispatcher)
• Data Params: None
• Success Response:
  • 200 OK: [{"id": 123, "product_id": 456, "quantity": 2}, ...]
• Error Response:
  • 400 Bad Request: {"error": "Valid order ID is required"}
  • 404 Not Found: {"error": "Order not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred!"}

Get Order

• URL: /api/v1/order/<int:id>
• Method: GET
• Auth required: Yes (Buyer, Seller, or Dispatcher)
• Data Params: None
• Success Response:
  • 200 OK: {"id": 123, "product_name": "Product Name", "buyer_username": "Buyer Username", "seller_username": "Seller Username", "dispatcher_username": "Dispatcher Username", "status": "pending", "total_amount": 100.00, "currency": "USD", "delivery_address": "123 Main St", "creation_date": "YYYY-MM-DD", "last_update_time": "YYYY-MM-DD"}
• Error Response:
  • 401 Unauthorized: {"error": "Unauthorized"}
  • 404 Not Found: {"error": "Order not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred!"}

Update Order Items

• URL: /api/v1/order/<int:order_id>
• Method: PUT
• Auth required: Yes (Buyer or Seller)
• Data Params:
  • orderitems (list): A list of dictionaries, each containing:
    • id (int): The ID of the order item.
    • quantity (int): The new quantity of the order item.
• Success Response:
  • 200 OK: {"message": "Order item was updated successfully"}
• Error Response:
  • 400 Bad Request: {"error": "Order ID is required"} or {"error": "This route requires JSON input"} or {"error": "Order item not found"} or {"error": "Order item does not belong to this order"}
  • 403 Forbidden: {"error": "Unauthorized transaction"} or {"error": "Order has already been paid"}
  • 404 Not Found: {"error": "Order not found"}
  • 415 Unsupported Media Type: {"error": "This route requires JSON input"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Update Order Address

• URL: /api/v1/order
• Method: PUT
• Auth required: Yes (Buyer)
• Data Params:
  • order_id (int): The ID of the order to update.
  • delivery_address (str, optional): The new delivery address of the order.
• Success Response:
  • 200 OK: {"message": "Order updated successfully"}
• Error Response:
  • 400 Bad Request: {"error": "Valid order ID is required"}
  • 403 Forbidden: {"error": "Unauthorized transaction"}
  • 404 Not Found: {"error": "Order not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Delete Order Item

• URL: /api/v1/order/<int:order_id>/<int:orderitem_id>
• Method: DELETE
• Auth required: Yes (Buyer or Seller)
• Data Params: None
• Success Response:
  • 200 OK: {"message": "Order item was deleted successfully"}
• Error Response:
  • 400 Bad Request: {"error": "Order ID is required"} or {"error": "Order item ID is required"} or {"error": "Order item does not belong to this order"}
  • 403 Forbidden: {"error": "Unauthorized transaction"} or {"error": "Order has already been paid"} or {"error": "Order is in process of payment"}
  • 404 Not Found: {"error": "Order not found"} or {"error": "Order item not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Delete Order

• URL: /api/v1/order/<int:order_id>
• Method: DELETE
• Auth required: Yes (Buyer or Seller)
• Data Params: None
• Success Response:
  • 200 OK: {"message": "Order was deleted successfully"}
• Error Response:
  • 400 Bad Request: {"error": "Order ID is required"}
  • 403 Forbidden: {"error": "Unauthorized transaction"} or {"error": "Order has already been paid"} or {"error": "Order is in process of payment"}
  • 404 Not Found: {"error": "Order not found"}
  • 500 Internal Server Error: {"error": "An internal error occurred"}

Please consult Postman collection documentation for further information.

Helper Functions

Decorators

• Admin Route: Ensures only admins can access certain routes.
• Protected Route: Ensures routes are protected and require user login.

Utility Functions

• Generate Orders: Generates a list of order dictionaries from order objects.

Logging

Logs are stored in consumer.log with detailed information for debugging and tracking.