Merge branch 'pr-12'

pkg/channels/dingtalk.go

@@ -0,0 +1,193 @@
+// PicoClaw - Ultra-lightweight personal AI agent
+// DingTalk channel implementation using Stream Mode
+
+package channels
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"sync"
+
+	"github.com/open-dingtalk/dingtalk-stream-sdk-go/chatbot"
+	"github.com/open-dingtalk/dingtalk-stream-sdk-go/client"
+	"github.com/sipeed/picoclaw/pkg/bus"
+	"github.com/sipeed/picoclaw/pkg/config"
+)
+
+// DingTalkChannel implements the Channel interface for DingTalk (钉钉)
+// It uses WebSocket for receiving messages via stream mode and API for sending
+type DingTalkChannel struct {
+	*BaseChannel
+	config         config.DingTalkConfig
+	clientID       string
+	clientSecret   string
+	streamClient   *client.StreamClient
+	ctx            context.Context
+	cancel         context.CancelFunc
+	// Map to store session webhooks for each chat
+	sessionWebhooks sync.Map // chatID -> sessionWebhook
+}
+
+// NewDingTalkChannel creates a new DingTalk channel instance
+func NewDingTalkChannel(cfg config.DingTalkConfig, messageBus *bus.MessageBus) (*DingTalkChannel, error) {
+	if cfg.ClientID == "" || cfg.ClientSecret == "" {
+		return nil, fmt.Errorf("dingtalk client_id and client_secret are required")
+	}
+
+	base := NewBaseChannel("dingtalk", cfg, messageBus, cfg.AllowFrom)
+
+	return &DingTalkChannel{
+		BaseChannel:  base,
+		config:       cfg,
+		clientID:     cfg.ClientID,
+		clientSecret: cfg.ClientSecret,
+	}, nil
+}
+
+// Start initializes the DingTalk channel with Stream Mode
+func (c *DingTalkChannel) Start(ctx context.Context) error {
+	log.Printf("Starting DingTalk channel (Stream Mode)...")
+
+	c.ctx, c.cancel = context.WithCancel(ctx)
+
+	// Create credential config
+	cred := client.NewAppCredentialConfig(c.clientID, c.clientSecret)
+
+	// Create the stream client with options
+	c.streamClient = client.NewStreamClient(
+		client.WithAppCredential(cred),
+		client.WithAutoReconnect(true),
+	)
+
+	// Register chatbot callback handler (IChatBotMessageHandler is a function type)
+	c.streamClient.RegisterChatBotCallbackRouter(c.onChatBotMessageReceived)
+
+	// Start the stream client
+	if err := c.streamClient.Start(c.ctx); err != nil {
+		return fmt.Errorf("failed to start stream client: %w", err)
+	}
+
+	c.setRunning(true)
+	log.Println("DingTalk channel started (Stream Mode)")
+	return nil
+}
+
+// Stop gracefully stops the DingTalk channel
+func (c *DingTalkChannel) Stop(ctx context.Context) error {
+	log.Println("Stopping DingTalk channel...")
+
+	if c.cancel != nil {
+		c.cancel()
+	}
+
+	if c.streamClient != nil {
+		c.streamClient.Close()
+	}
+
+	c.setRunning(false)
+	log.Println("DingTalk channel stopped")
+	return nil
+}
+
+// Send sends a message to DingTalk via the chatbot reply API
+func (c *DingTalkChannel) Send(ctx context.Context, msg bus.OutboundMessage) error {
+	if !c.IsRunning() {
+		return fmt.Errorf("dingtalk channel not running")
+	}
+
+	// Get session webhook from storage
+	sessionWebhookRaw, ok := c.sessionWebhooks.Load(msg.ChatID)
+	if !ok {
+		return fmt.Errorf("no session_webhook found for chat %s, cannot send message", msg.ChatID)
+	}
+
+	sessionWebhook, ok := sessionWebhookRaw.(string)
+	if !ok {
+		return fmt.Errorf("invalid session_webhook type for chat %s", msg.ChatID)
+	}
+
+	log.Printf("DingTalk message to %s: %s", msg.ChatID, truncateStringDingTalk(msg.Content, 100))
+
+	// Use the session webhook to send the reply
+	return c.SendDirectReply(sessionWebhook, msg.Content)
+}
+
+// onChatBotMessageReceived implements the IChatBotMessageHandler function signature
+// This is called by the Stream SDK when a new message arrives
+// IChatBotMessageHandler is: func(c context.Context, data *chatbot.BotCallbackDataModel) ([]byte, error)
+func (c *DingTalkChannel) onChatBotMessageReceived(ctx context.Context, data *chatbot.BotCallbackDataModel) ([]byte, error) {
+	// Extract message content from Text field
+	content := data.Text.Content
+	if content == "" {
+		// Try to extract from Content interface{} if Text is empty
+		if contentMap, ok := data.Content.(map[string]interface{}); ok {
+			if textContent, ok := contentMap["content"].(string); ok {
+				content = textContent
+			}
+		}
+	}
+
+	if content == "" {
+		return nil, nil // Ignore empty messages
+	}
+
+	senderID := data.SenderStaffId
+	senderNick := data.SenderNick
+	chatID := senderID
+	if data.ConversationType != "1" {
+		// For group chats
+		chatID = data.ConversationId
+	}
+
+	// Store the session webhook for this chat so we can reply later
+	c.sessionWebhooks.Store(chatID, data.SessionWebhook)
+
+	metadata := map[string]string{
+		"sender_name":       senderNick,
+		"conversation_id":   data.ConversationId,
+		"conversation_type": data.ConversationType,
+		"platform":          "dingtalk",
+		"session_webhook":   data.SessionWebhook,
+	}
+
+	log.Printf("DingTalk message from %s (%s): %s", senderNick, senderID, truncateStringDingTalk(content, 50))
+
+	// Handle the message through the base channel
+	c.HandleMessage(senderID, chatID, content, nil, metadata)
+
+	// Return nil to indicate we've handled the message asynchronously
+	// The response will be sent through the message bus
+	return nil, nil
+}
+
+// SendDirectReply sends a direct reply using the session webhook
+func (c *DingTalkChannel) SendDirectReply(sessionWebhook, content string) error {
+	replier := chatbot.NewChatbotReplier()
+
+	// Convert string content to []byte for the API
+	contentBytes := []byte(content)
+	titleBytes := []byte("PicoClaw")
+
+	// Send markdown formatted reply
+	err := replier.SimpleReplyMarkdown(
+		context.Background(),
+		sessionWebhook,
+		titleBytes,
+		contentBytes,
+	)
+
+	if err != nil {
+		return fmt.Errorf("failed to send reply: %w", err)
+	}
+
+	return nil
+}
+
+// truncateStringDingTalk truncates a string to max length for logging (avoiding name collision with telegram.go)
+func truncateStringDingTalk(s string, maxLen int) string {
+	if len(s) <= maxLen {
+		return s
+	}
+	return s[:maxLen]
+}

pkg/channels/manager.go

@@ -123,6 +123,19 @@ func (m *Manager) initChannels() error {
 		}
 	}
 
+	if m.config.Channels.DingTalk.Enabled && m.config.Channels.DingTalk.ClientID != "" {
+		logger.DebugC("channels", "Attempting to initialize DingTalk channel")
+		dingtalk, err := NewDingTalkChannel(m.config.Channels.DingTalk, m.bus)
+		if err != nil {
+			logger.ErrorCF("channels", "Failed to initialize DingTalk channel", map[string]interface{}{
+				"error": err.Error(),
+			})
+		} else {
+			m.channels["dingtalk"] = dingtalk
+			logger.InfoC("channels", "DingTalk channel enabled successfully")
+		}
+	}
+
 	logger.InfoCF("channels", "Channel initialization completed", map[string]interface{}{
 		"enabled_channels": len(m.channels),
 	})