Telegram Plugin Message Flow - Detailed Breakdown

This document provides a comprehensive breakdown of how messages flow through the Telegram plugin system.

Complete Message Flow Diagram

Detailed Event Flows

1. Initial Update Processing

2. Chat/User Synchronization

3. Message Processing Pipeline

4. Media Processing Flow

5. Response Generation Flow

6. Forum Topic Handling

State Management

Message State

interface TelegramMessageState {
  // Core message data
  messageId: number;
  chatId: string;
  userId: string;
  timestamp: Date;
  
  // Content
  text?: string;
  media?: MediaAttachment[];
  
  // Context
  replyToMessageId?: number;
  threadId?: number;
  editedAt?: Date;
  
  // Metadata
  entities?: MessageEntity[];
  buttons?: InlineKeyboardButton[][];
}

Chat State

interface TelegramChatState {
  chatId: string;
  chatType: 'private' | 'group' | 'supergroup' | 'channel';
  title?: string;
  username?: string;
  
  // Settings
  allowedUsers?: string[];
  messageLimit: number;
  
  // Forum support
  isForumChat: boolean;
  topics: Map<number, TopicState>;
  
  // History
  messages: TelegramMessage[];
  lastActivity: Date;
}

Callback State

interface CallbackState {
  messageId: number;
  chatId: string;
  callbackData: string;
  userId: string;
  timestamp: Date;
  
  // For maintaining state
  originalMessage?: TelegramMessage;
  context?: any;
}

Error Handling Flow

Performance Optimization

Message Batching

Caching Strategy

Webhook vs Polling

Polling Flow

Webhook Flow

Multi-Language Support

Security Flow

Best Practices

  1. Update Handling

    • Process updates asynchronously
    • Implement proper error boundaries
    • Log all update types
  2. State Management

    • Maintain minimal state
    • Use TTL for cached data
    • Clean up old conversations
  3. Performance

    • Batch similar operations
    • Use webhooks in production
    • Implement connection pooling
  4. Error Recovery

    • Implement exponential backoff
    • Log errors with context
    • Provide fallback responses
  5. Security

    • Validate all inputs
    • Sanitize user content
    • Implement rate limiting