Order Module

The Order Module in Maginium provides a comprehensive solution for managing customer orders. This module ensures seamless integration with other components of the platform, allowing businesses to process, track, and manage orders efficiently. Below is an in-depth guide to the features, workflows, and technical aspects of the Order Module.

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Overview

The Order Module allows businesses to:

• Create and Manage Orders: Handle the entire lifecycle of an order from creation to completion.

• Track Order Status: Provide real-time updates on order statuses.

• Manage Payment Integration: Ensure smooth processing of payments.

• Enable Order Modifications: Support updates and changes to orders after placement.

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Features

1. Order Lifecycle Management

The module supports the complete lifecycle of an order:

• Order Placement: Customers can place orders through various sales channels.

• Order Processing: Automate order validation, inventory checks, and preparation.

• Order Fulfillment: Seamless integration with the Fulfillment Module for shipping and delivery.

• Order Completion: Mark orders as completed once delivered.

2. Order Status Tracking

Each order has a dedicated status tracker to reflect its current state:

• Pending

• Processed

• Shipped

• Delivered

• Cancelled

3. Payment Integration

Support for multiple payment gateways:

• Credit/Debit Cards

• PayPal

• Bank Transfers

• Digital Wallets

Important: Maginium uses secure payment protocols to ensure all transactions are encrypted and compliant with PCI DSS standards.

4. Order Modifications

Allow modifications to orders post-placement:

• Edit Quantities

• Change Shipping Address

• Apply Discounts

• Cancel Orders

Note: Certain changes might be restricted once the order reaches the fulfillment stage.

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Database Schema

The Order Module uses the following key tables:

1. orders

Column	Type	Description
id	UUID	Unique identifier for the order.
customer_id	UUID	Links to the customer placing the order.
status	ENUM	Current status of the order.
total_amount	DECIMAL	Total cost of the order.
created_at	TIMESTAMP	Order creation timestamp.
updated_at	TIMESTAMP	Last update timestamp.

2. order_items

Column	Type	Description
id	UUID	Unique identifier for the item.
order_id	UUID	Links to the parent order.
product_id	UUID	Links to the purchased product.
quantity	INTEGER	Quantity ordered.
price	DECIMAL	Price per unit.

3. payments

Column	Type	Description
id	UUID	Unique identifier for the payment.
order_id	UUID	Links to the associated order.
payment_method	STRING	Payment method used.
status	ENUM	Payment status (Pending/Success/Failed).
transaction_id	STRING	External gateway transaction ID.

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APIs

1. Create Order

Endpoint: POST /api/orders

Payload:

{
  "customer_id": "12345",
  "items": [
    { "product_id": "67890", "quantity": 2 },
    { "product_id": "54321", "quantity": 1 }
  ],
  "payment_method": "credit_card"
}

Response:

{
  "order_id": "abcd-1234",
  "status": "pending",
  "total_amount": 150.75
}

2. Get Order Details

Endpoint: GET /api/orders/{id}

Response:

{
  "id": "abcd-1234",
  "customer_id": "12345",
  "status": "processed",
  "items": [
    { "product_id": "67890", "quantity": 2, "price": 50.25 },
    { "product_id": "54321", "quantity": 1, "price": 50.25 }
  ],
  "total_amount": 150.75
}

3. Update Order Status

Endpoint: PATCH /api/orders/{id}

Payload:

{
  "status": "shipped"
}

**Response:**
```json
{
  "message": "Order status updated successfully."
}

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Best Practices

1. Validation: Ensure that all inputs, especially customer and item details, are validated before processing orders.

2. Asynchronous Order Processing: Use queues for tasks like payment processing and inventory updates to improve performance.

3. Security: Always use HTTPS and secure tokens for API requests to protect sensitive data.

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