Files
picoclaw/pkg/channels/discord.go
2026-02-09 19:20:19 +08:00

139 lines
3.1 KiB
Go

package channels
import (
"context"
"fmt"
"github.com/bwmarrin/discordgo"
"github.com/sipeed/picoclaw/pkg/bus"
"github.com/sipeed/picoclaw/pkg/config"
"github.com/sipeed/picoclaw/pkg/logger"
)
type DiscordChannel struct {
*BaseChannel
session *discordgo.Session
config config.DiscordConfig
}
func NewDiscordChannel(cfg config.DiscordConfig, bus *bus.MessageBus) (*DiscordChannel, error) {
session, err := discordgo.New("Bot " + cfg.Token)
if err != nil {
return nil, fmt.Errorf("failed to create discord session: %w", err)
}
base := NewBaseChannel("discord", cfg, bus, cfg.AllowFrom)
return &DiscordChannel{
BaseChannel: base,
session: session,
config: cfg,
}, nil
}
func (c *DiscordChannel) Start(ctx context.Context) error {
logger.InfoC("discord", "Starting Discord bot")
c.session.AddHandler(c.handleMessage)
if err := c.session.Open(); err != nil {
return fmt.Errorf("failed to open discord session: %w", err)
}
c.setRunning(true)
botUser, err := c.session.User("@me")
if err != nil {
return fmt.Errorf("failed to get bot user: %w", err)
}
logger.InfoCF("discord", "Discord bot connected", map[string]interface{}{
"username": botUser.Username,
"user_id": botUser.ID,
})
return nil
}
func (c *DiscordChannel) Stop(ctx context.Context) error {
logger.InfoC("discord", "Stopping Discord bot")
c.setRunning(false)
if err := c.session.Close(); err != nil {
return fmt.Errorf("failed to close discord session: %w", err)
}
return nil
}
func (c *DiscordChannel) Send(ctx context.Context, msg bus.OutboundMessage) error {
if !c.IsRunning() {
return fmt.Errorf("discord bot not running")
}
channelID := msg.ChatID
if channelID == "" {
return fmt.Errorf("channel ID is empty")
}
message := msg.Content
if _, err := c.session.ChannelMessageSend(channelID, message); err != nil {
return fmt.Errorf("failed to send discord message: %w", err)
}
return nil
}
func (c *DiscordChannel) handleMessage(s *discordgo.Session, m *discordgo.MessageCreate) {
if m == nil || m.Author == nil {
return
}
if m.Author.ID == s.State.User.ID {
return
}
senderID := m.Author.ID
senderName := m.Author.Username
if m.Author.Discriminator != "" && m.Author.Discriminator != "0" {
senderName += "#" + m.Author.Discriminator
}
content := m.Content
mediaPaths := []string{}
for _, attachment := range m.Attachments {
mediaPaths = append(mediaPaths, attachment.URL)
if content != "" {
content += "\n"
}
content += fmt.Sprintf("[attachment: %s]", attachment.URL)
}
if content == "" && len(mediaPaths) == 0 {
return
}
if content == "" {
content = "[media only]"
}
logger.DebugCF("discord", "Received message", map[string]interface{}{
"sender_name": senderName,
"sender_id": senderID,
"preview": truncateString(content, 50),
})
metadata := map[string]string{
"message_id": m.ID,
"user_id": senderID,
"username": m.Author.Username,
"display_name": senderName,
"guild_id": m.GuildID,
"channel_id": m.ChannelID,
"is_dm": fmt.Sprintf("%t", m.GuildID == ""),
}
c.HandleMessage(senderID, m.ChannelID, content, mediaPaths, metadata)
}