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Leetcode-Bot 🚀

Rust AWS Lambda AWS SQS AWS DynamoDB
Welcome to Leetcode-Bot! This project is a handy tool for fetching and sharing your latest Leetcode submissions on a Discord channel. Whether you're a coding enthusiast or just love to showcase your problem-solving skills, Leetcode-Bot has got you covered!

Table of Contents

Overview

Leetcode-Bot consists of two Lambda functions: Fetcher and Sender. The Fetcher regularly checks Leetcode APIs for new submissions by the specified users, sending them to an SQS queue. It also stores the timestamp of the last sent submissions in a DynamoDB table. The Sender consumes submissions from the SQS queue and sends them to a Discord channel using a webhook.

Getting Started

Setting up Leetcode-Bot is a breeze! Just follow these simple steps:

Prerequisites

Make sure you have the following installed:

  • Rust
  • Cargo-lambda
  • Terraform and AWS CLI v2 (If you are going to use it.)
  • Nix (If you want to use flake.nix for devshell.)

Setup

  1. Clone this repository: git clone https://github.com/Tanish2002/leetcode-bot.git
  2. Navigate to the project folder: cd leetcode-bot
  3. Set the required environment variables (see Environment Variables).
  4. Inside the infrastructure folder, run terraform init && terraform apply to set up the AWS infrastructure.

Project Structure

├── fetcher
│   ├── Cargo.lock
│   ├── Cargo.toml
│   └── src
│       ├── configuration.rs
│       ├── main.rs
│       ├── models.rs
│       └── service
│           ├── leetcode
│           │   ├── mod.rs
│           │   ├── submissions.rs
│           │   └── user.rs
│           ├── mod.rs
│           └── sqs.rs
├── flake.lock
├── flake.nix
├── infrastructure
│   ├── main.tf
│   ├── terraform.tfstate
│   ├── terraform.tfstate.backup
│   └── variables.tf
└── sender
    ├── Cargo.lock
    ├── Cargo.toml
    └── src
        ├── configuration.rs
        ├── handler.rs
        ├── main.rs
        └── service.rs

Environment Variables

Manual Deployment

For Fetcher

  • USERS: Leetcode usernames separated by commas.
  • DYNAMODB_TABLE_NAME: DynamoDB table name.
  • SQS_QUEUE_URL: URL of the SQS queue.

For Sender

  • DISCORD_WEBHOOK_URL: Discord channel webhook URL.

If Using Terraform

  • TF_VAR_users: Leetcode usernames separated by commas.
  • TF_VAR_discord_webhook_url: Discord channel webhook URL.

Contributing

We welcome contributions! Feel free to submit issues or pull requests.

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just a simple bot to fetch leetcode submissions and send it to discord

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