Loading...
Here are some initial functional requirements based on the problem statement:
POST /users/register
Request:
{
"username": "newuser",
"password": "password123",
"email": "[email protected]"
}
Response:
{
"success": true,
"userId": "user123",
"message": "User registered successfully."
}
POST /users/login
Request:
{
"username": "user123",
"password": "password123"
}
Response:
{
"success": true,
"userId": "user123",
"token": "token_xyz"
}
POST /auctions/create
Request:
{
"userId": "user123",
"item": {
"title": "Vintage Lamp",
"description": "A rare vintage lamp from the 1920s.",
"startingBid": 100.00,
"auctionDuration": 3600
}
}
Response:
{
"success": true,
"auctionId": "auction123",
"message": "Auction created successfully."
}
POST /bids/place
Request:
{
"userId": "user456",
"auctionId": "auction123",
"bidAmount": 110.00
}
Response:
{
"success": true,
"bidId": "bid789",
"message": "Bid placed successfully."
}
GET /auctions/{auctionId}
Response:
{
"success": true,
"auction": {
"auctionId": "auction123",
"title": "Vintage Lamp",
"status": "ongoing",
"highestBid": 110.00,
"remainingTime": 3500
}
}
This ER diagram outlines the basic structure needed to support the auction service's functionalities. By using these entities and relationships, the database can efficiently store and manage all necessary data for user interactions, auctions, bids, and notifications.
Purpose: Handles user registration, login, and profile management.
Key Functions: User authentication, user data storage, and user session management.
Purpose: Manages the lifecycle of auctions including creation, modification, and termination.
Key Functions: Auction setup, listing, updates, and cancellation.
Purpose: Processes all bid-related actions ensuring real-time response and fairness.
Key Functions: Bid validation, bid placement, and highest bid tracking.
Purpose: Sends notifications to users about auction events such as bid updates, auction starts, and auction conclusions.
Key Functions: Notification dispatch based on user preferences and auction events.
Purpose: Handles all transactional processes related to auctions.
Key Functions: Secure processing of payments and fund transfers when auctions conclude.
Purpose: Central storage for all data including user profiles, auction details, bids, and notifications.
Key Functions: Data storage, retrieval, and integrity.
Purpose: User interface for interacting with the auction system.
Key Functions: Display auctions, accept user inputs, and provide real-time updates.
Scalability: The Bidding Engine is designed to handle high throughput and low latency operations. It uses in-memory data stores (like Redis) to manage bids in real-time, which allows for rapid read and write operations essential during peak auction closing times.
Algorithms/Data Structures:
Considerations:
Scalability: Handles CRUD operations for auctions and must support a large number of concurrent auctions without performance degradation. It interfaces with a relational database that uses indexing on frequently queried fields (such as auction ID, user ID) to speed up data retrieval.
Algorithms/Data Structures:
Considerations:
Scalability: This service must efficiently handle a massive number of notifications due to events in the system without delay. It often relies on scalable cloud messaging services like AWS SNS or a similar messaging queue system.
Algorithms/Data Structures:
Considerations: