larkrs-client

A Rust client library for the Lark (Feishu) API.

Features

• Authentication: Tenant access token management with automatic refresh
• Bitable: Read and write operations for Feishu Bitable
• Bot: Send messages and interact with chats

Installation

Add this to your Cargo.toml:

[dependencies]
larkrs-client = "0.1.1"

Usage

Authentication

use larkrs_client::auth::FeishuTokenManager;

// Set FEISHU_APP_ID and FEISHU_APP_SECRET environment variables
let token_manager = FeishuTokenManager::new();
let token = token_manager.get_token().await?;

Bitable Operations

use larkrs_client::bitable::table::BitableTableClient;

let client = BitableTableClient::new();

// Get records from a table
let records = client.get_records_list("app_token", "table_id").await?;

// Create records in a table
let records_json = r#"[
    {"field1": "value1", "field2": "value2"},
    {"field1": "value3", "field2": "value4"}
]"#;
client.batch_create_records_json("app_token", "table_id", records_json).await?;

Bot Operations

use larkrs_client::bot::chat::ChatClient;

let client = ChatClient::new();

// Get list of chats
let chats = client.get_chat_group_list().await?;

// Send a text message
client.send_text_message("chat_id", "Hello from Rust!").await?;

// Send a markdown message
client.send_markdown_message(
    "chat_id",
    "Title",
    "# Heading\n**Bold text**\n- List item 1\n- List item 2"
).await?;

Environment Variables

The library requires the following environment variables:

• FEISHU_APP_ID: Your Feishu application ID
• FEISHU_APP_SECRET: Your Feishu application secret

License

This project is licensed under the MIT License - see the LICENSE file for details.