feat(qq): 支持文件处理。

This commit is contained in:
aishannon 2026-03-25 00:10:22 +08:00
parent 6aca2537ee
commit 1a7e66d13f

View file

@ -6,24 +6,24 @@ import (
"encoding/json"
"errors"
"fmt"
"sync/atomic"
"math"
"net/http"
"net/url"
"os"
"path"
"fmt"
"math"
"os"
"path/filepath"
"regexp"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/sipeed/picoclaw/pkg/media"
"github.com/sipeed/picoclaw/pkg/utils"
"github.com/tidwall/gjson"
"github.com/sipeed/picoclaw/pkg/identity"
"github.com/sipeed/picoclaw/pkg/utils"
"github.com/tencent-connect/botgo"
"github.com/tencent-connect/botgo/constant"
"github.com/tencent-connect/botgo/dto"
@ -35,7 +35,10 @@ import (
"github.com/sipeed/picoclaw/pkg/bus"
"github.com/sipeed/picoclaw/pkg/channels"
"github.com/sipeed/picoclaw/pkg/config"
"github.com/sipeed/picoclaw/pkg/identity"
"github.com/sipeed/picoclaw/pkg/logger"
"github.com/sipeed/picoclaw/pkg/media"
"github.com/sipeed/picoclaw/pkg/utils"
)
const (
@ -49,6 +52,10 @@ const (
type kindType string
func (k kindType) String() string {
return string(k)
}
const (
kindDirect kindType = "direct"
kindGroup kindType = "group"
@ -57,17 +64,6 @@ const (
var emojiRegexp = regexp.MustCompile(`<[^<]*?ext="([^"]+)"[^<]*?faceType=(\d+)[^<]*?>|<[^<]*?faceType=(\d+)[^<]*?ext="([^"]+)"[^<]*?>`)
var extRegexp = regexp.MustCompile(`ext="([^"]+)"`)
type qqAPI interface {
WS(ctx context.Context, params map[string]string, body string) (*dto.WebsocketAP, error)
PostGroupMessage(
ctx context.Context, groupID string, msg dto.APIMessage, opt ...options.Option,
) (*dto.Message, error)
PostC2CMessage(
ctx context.Context, userID string, msg dto.APIMessage, opt ...options.Option,
) (*dto.Message, error)
Transport(ctx context.Context, method, url string, body any) ([]byte, error)
}
type QQChannel struct {
*channels.BaseChannel
config config.QQConfig
@ -178,7 +174,7 @@ func (c *QQChannel) Start(ctx context.Context) error {
// Pre-register reasoning_channel_id as group chat if configured,
// so outbound-only destinations are routed correctly.
if c.config.ReasoningChannelID != "" {
c.chatType.Store(c.config.ReasoningChannelID, kindGroup)
c.chatType.Store(c.config.ReasoningChannelID, kindGroup.String())
}
c.SetRunning(true)
@ -233,7 +229,21 @@ func (c *QQChannel) Send(ctx context.Context, msg bus.OutboundMessage) error {
return channels.ErrNotRunning
}
chatKind := c.getChatKind(msg.ChatID)
c.applyPassiveReplyMetadata(msg.ChatID, msgToCreate)
// Sanitize URLs in group messages to avoid QQ's URL blacklist rejection.
if chatKind == "group" {
if msgToCreate.Content != "" {
msgToCreate.Content = sanitizeURLs(msgToCreate.Content)
}
if msgToCreate.Markdown != nil && msgToCreate.Markdown.Content != "" {
msgToCreate.Markdown.Content = sanitizeURLs(msgToCreate.Markdown.Content)
}
}
// Route to group or C2C.
mdMsg, textMsg := c.genReplyMsg(ctx, msg)
var err error
for _, replyMsg := range []dto.MessageToCreate{mdMsg, textMsg} {
@ -320,14 +330,14 @@ func (c *QQChannel) StartTyping(ctx context.Context, chatID string) (func(), err
// SendMedia implements the channels.MediaSender interface.
// QQ group/C2C media sending is a two-step flow:
// 1. Upload media to /files using a remote URL or local bytes.
// 1. Upload media to /files using a remote URL or base64-encoded local bytes.
// 2. Send a msg_type=7 message using the returned file_info.
func (c *QQChannel) SendMedia(ctx context.Context, msg bus.OutboundMediaMessage) error {
if !c.IsRunning() {
return channels.ErrNotRunning
}
chatKind := c.getChatKind(msg.ChatID)
var err error
for _, part := range msg.Parts {
fileInfo, err := c.uploadMedia(ctx, chatKind, msg.ChatID, part)
if err != nil {
@ -342,21 +352,35 @@ func (c *QQChannel) SendMedia(ctx context.Context, msg bus.OutboundMediaMessage)
return fmt.Errorf("qq send media: %w", channels.ErrTemporary)
}
if err = c.sendUploadedMedia(ctx, chatKind, msg.ChatID, part, fileInfo); err != nil {
if err := c.sendUploadedMedia(ctx, chatKind, msg.ChatID, part, fileInfo); err != nil {
logger.ErrorCF("qq", "Failed to send media", map[string]any{
"type": part.Type,
"chat_id": msg.ChatID,
"error": err.Error(),
if err = c.sendOneMedia(ctx, msg.ChatID, part); err != nil {
logger.ErrorCF("qq", "Failed to send media", map[string]any{
"part": part,
"error": err.Error(),
})
return fmt.Errorf("qq send media: %w", channels.ErrTemporary)
continue
}
}
return nil
return err
}
func (c *QQChannel) uploadMedia(ctx context.Context,
chatKind kindType, chatID string, part bus.MediaPart) ([]byte, error) {
type qqMediaUpload struct {
FileType uint64 `json:"file_type"`
URL string `json:"url,omitempty"`
FileData string `json:"file_data,omitempty"`
FileName string `json:"file_name,omitempty"`
SrvSendMsg bool `json:"srv_send_msg,omitempty"`
}
func (c *QQChannel) uploadMedia(
ctx context.Context,
chatKind, chatID string,
part bus.MediaPart,
) ([]byte, error) {
payload, err := c.buildMediaUpload(part)
if err != nil {
return nil, err
@ -378,8 +402,8 @@ func (c *QQChannel) uploadMedia(ctx context.Context,
return uploaded.FileInfo, nil
}
func (c *QQChannel) buildMediaUpload(part bus.MediaPart) (*RichMediaMessage, error) {
payload := &RichMediaMessage{}
func (c *QQChannel) buildMediaUpload(part bus.MediaPart) (*qqMediaUpload, error) {
payload := &qqMediaUpload{}
mediaRef := part.Ref
if isHTTPURL(mediaRef) {
@ -404,12 +428,15 @@ func (c *QQChannel) buildMediaUpload(part bus.MediaPart) (*RichMediaMessage, err
if part.ContentType == "" {
part.ContentType = meta.ContentType
}
payload.FileType = qqFileType(c.outboundMediaType(part, resolved))
payload.FileName = qqUploadFilename(part, resolved, payload.FileType)
if isHTTPURL(resolved) {
payload.FileType = qqFileType(c.outboundMediaType(part, ""))
payload.URL = resolved
payload.FileName = qqUploadFilename(part, resolved, payload.FileType)
return payload, nil
}
payload.FileType = qqFileType(c.outboundMediaType(part, resolved))
payload.FileName = qqUploadFilename(part, resolved, payload.FileType)
if limitBytes := c.maxBase64FileSizeBytes(); limitBytes > 0 {
info, statErr := os.Stat(resolved)
@ -431,7 +458,8 @@ func (c *QQChannel) buildMediaUpload(part bus.MediaPart) (*RichMediaMessage, err
if err != nil {
return nil, fmt.Errorf("qq read local media %q: %v: %w", resolved, err, channels.ErrSendFailed)
}
payload.FileData = data
payload.FileData = base64.StdEncoding.EncodeToString(data)
return payload, nil
}
@ -499,10 +527,12 @@ func (c *QQChannel) outboundMediaType(part bus.MediaPart, localPath string) stri
return "audio"
}
// Fix the sendUploadedMedia function syntax error
func (c *QQChannel) sendUploadedMedia(ctx context.Context, chatKind kindType, chatID string, part bus.MediaPart,
fileInfo []byte) error {
func (c *QQChannel) sendUploadedMedia(
ctx context.Context,
chatKind, chatID string,
part bus.MediaPart,
fileInfo []byte,
) error {
msg := &dto.MessageToCreate{
Content: part.Caption,
MsgType: dto.RichMediaMsg,
@ -510,12 +540,13 @@ func (c *QQChannel) sendUploadedMedia(ctx context.Context, chatKind kindType, ch
FileInfo: fileInfo,
},
}
c.applyPassiveReplyMetadata(chatID, msg)
msg.MsgID, msg.MsgSeq = c.getReplyExtInfo(ctx, chatID)
if chatKind == kindGroup {
if msg.Content != "" {
if chatKind == "group" && msg.Content != "" {
msg.Content = sanitizeURLs(msg.Content)
}
if chatKind == "group" {
_, err := c.api.PostGroupMessage(ctx, chatID, msg)
return err
}
@ -523,9 +554,25 @@ func (c *QQChannel) sendUploadedMedia(ctx context.Context, chatKind kindType, ch
return err
}
func (c *QQChannel) mediaUploadURL(chatKind kindType, chatID string) string {
func (c *QQChannel) applyPassiveReplyMetadata(chatID string, msg *dto.MessageToCreate) {
if v, ok := c.lastMsgID.Load(chatID); ok {
if msgID, ok := v.(string); ok && msgID != "" {
msg.MsgID = msgID
// Increment msg_seq atomically for multi-part replies.
if counterVal, ok := c.msgSeqCounters.Load(chatID); ok {
if counter, ok := counterVal.(*atomic.Uint64); ok {
seq := counter.Add(1)
msg.MsgSeq = uint32(seq)
}
}
}
}
}
func (c *QQChannel) mediaUploadURL(chatKind, chatID string) string {
base := constant.APIDomain
if chatKind == kindGroup {
if chatKind == "group" {
return fmt.Sprintf("%s/v2/groups/%s/files", base, chatID)
}
return fmt.Sprintf("%s/v2/users/%s/files", base, chatID)
@ -574,6 +621,20 @@ func (c *QQChannel) handleC2CMessage() event.C2CMessageEventHandler {
CanonicalID: identity.BuildCanonicalID("qq", data.Author.ID),
}
if !c.IsAllowedSender(sender) {
return nil
}
content := strings.TrimSpace(data.Content)
mediaPaths, attachmentNotes := c.extractInboundAttachments(senderID, data.ID, data.Attachments)
for _, note := range attachmentNotes {
content = appendContent(content, note)
}
if content == "" && len(mediaPaths) == 0 {
logger.DebugC("qq", "Received empty C2C message with no attachments, ignoring")
Username: data.Author.Username,
}
if !c.IsAllowedSender(sender) {
logger.ErrorCF("qq", "Received message from unauthorized sender", map[string]any{
"sender": sender,
@ -581,9 +642,10 @@ func (c *QQChannel) handleC2CMessage() event.C2CMessageEventHandler {
return nil
}
content, mediaPaths := c.decodeMessage(context.Background(), senderID, event, (*dto.Message)(data))
if content == "" && len(mediaPaths) == 0 {
logger.DebugC("qq", "Received empty C2C message with no content/attachments, ignoring")
scope := channels.BuildMediaScope("qq", senderID, data.ID)
content, mediaPaths := c.decodeMessage(context.Background(), event, (*dto.Message)(data), scope)
if content == "" {
logger.DebugC("qq", "Received empty C2C message, ignoring")
return nil
}
@ -602,7 +664,7 @@ func (c *QQChannel) handleC2CMessage() event.C2CMessageEventHandler {
}
c.HandleMessage(c.ctx,
bus.Peer{Kind: string(kindDirect), ID: senderID},
bus.Peer{Kind: kindDirect.String(), ID: senderID},
data.ID,
senderID,
senderID,
@ -611,6 +673,7 @@ func (c *QQChannel) handleC2CMessage() event.C2CMessageEventHandler {
metadata,
sender,
)
return nil
}
}
@ -636,6 +699,19 @@ func (c *QQChannel) handleGroupATMessage() event.GroupATMessageEventHandler {
Platform: "qq",
PlatformID: data.Author.ID,
CanonicalID: identity.BuildCanonicalID("qq", data.Author.ID),
}
if !c.IsAllowedSender(sender) {
return nil
}
content := strings.TrimSpace(data.Content)
mediaPaths, attachmentNotes := c.extractInboundAttachments(data.GroupID, data.ID, data.Attachments)
for _, note := range attachmentNotes {
content = appendContent(content, note)
}
// GroupAT event means bot is always mentioned; apply group trigger filtering.
Username: data.Author.Username,
}
@ -646,7 +722,9 @@ func (c *QQChannel) handleGroupATMessage() event.GroupATMessageEventHandler {
return nil
}
content, mediaPaths := c.decodeMessage(context.Background(), senderID, event, (*dto.Message)(data))
scope := channels.BuildMediaScope("qq", data.GroupID, data.ID)
content, mediaPaths := c.decodeMessage(context.Background(), event, (*dto.Message)(data), scope)
if content == "" {
logger.DebugC("qq", "Received empty group message, ignoring")
return nil
@ -679,7 +757,7 @@ func (c *QQChannel) handleGroupATMessage() event.GroupATMessageEventHandler {
}
c.HandleMessage(c.ctx,
bus.Peer{Kind: string(kindGroup), ID: data.GroupID},
bus.Peer{Kind: kindGroup.String(), ID: data.GroupID},
data.ID,
senderID,
data.GroupID,
@ -693,9 +771,10 @@ func (c *QQChannel) handleGroupATMessage() event.GroupATMessageEventHandler {
}
}
func (c *QQChannel) extractInboundAttachments(chatID, messageID string,
attachments []MessageAttachment) ([]string, []string) {
func (c *QQChannel) extractInboundAttachments(
chatID, messageID string,
attachments []*dto.MessageAttachment,
) ([]string, []string) {
if len(attachments) == 0 {
return nil, nil
}
@ -704,7 +783,7 @@ func (c *QQChannel) extractInboundAttachments(chatID, messageID string,
mediaPaths := make([]string, 0, len(attachments))
notes := make([]string, 0, len(attachments))
storeMedia := func(localPath string, attachment MessageAttachment) string {
storeMedia := func(localPath string, attachment *dto.MessageAttachment) string {
if store := c.GetMediaStore(); store != nil {
ref, err := store.Store(localPath, media.MediaMeta{
Filename: qqAttachmentFilename(attachment),
@ -720,12 +799,17 @@ func (c *QQChannel) extractInboundAttachments(chatID, messageID string,
}
for _, attachment := range attachments {
if attachment == nil {
continue
}
filename := qqAttachmentFilename(attachment)
if localPath := c.downloadAttachment(attachment.URL, filename); localPath != "" {
mediaPaths = append(mediaPaths, storeMedia(localPath, attachment))
} else if attachment.URL != "" {
mediaPaths = append(mediaPaths, attachment.URL)
}
notes = append(notes, qqAttachmentNote(attachment))
}
@ -768,10 +852,21 @@ func (c *QQChannel) downloadHeaders() map[string]string {
return headers
}
func qqAttachmentFilename(attachment MessageAttachment) string {
func qqAttachmentFilename(attachment *dto.MessageAttachment) string {
if attachment == nil {
return "attachment"
}
if attachment.FileName != "" {
return attachment.FileName
}
if attachment.URL != "" {
if parsed, err := url.Parse(attachment.URL); err == nil {
if base := path.Base(parsed.Path); base != "" && base != "." && base != "/" {
return base
}
}
}
switch qqAttachmentKind(attachment) {
case "image":
return "image"
@ -784,18 +879,20 @@ func qqAttachmentFilename(attachment MessageAttachment) string {
}
}
func qqAttachmentKind(attachment MessageAttachment) string {
func qqAttachmentKind(attachment *dto.MessageAttachment) string {
if attachment == nil {
return "file"
}
contentType := strings.ToLower(attachment.ContentType)
filename := strings.ToLower(attachment.FileName)
switch {
case strings.HasPrefix(contentType, "image/"):
return "image"
case strings.HasPrefix(contentType, "video"):
case strings.HasPrefix(contentType, "video/"):
return "video"
case strings.HasPrefix(contentType, "voice"),
strings.HasPrefix(contentType, "audio/"),
contentType == "application/ogg", contentType == "application/x-ogg":
case strings.HasPrefix(contentType, "audio/"), contentType == "application/ogg", contentType == "application/x-ogg":
return "audio"
}
@ -811,16 +908,13 @@ func qqAttachmentKind(attachment MessageAttachment) string {
}
}
func qqAttachmentNote(attachment MessageAttachment) string {
func qqAttachmentNote(attachment *dto.MessageAttachment) string {
filename := qqAttachmentFilename(attachment)
switch qqAttachmentKind(attachment) {
case "image":
return fmt.Sprintf("[image: %s]", filename)
case "audio":
if attachment.AsrReferText != "" {
return fmt.Sprintf("[audio: %s (%s)]", filename, attachment.AsrReferText)
}
return fmt.Sprintf("[audio: %s]", filename)
case "video":
return fmt.Sprintf("[video: %s]", filename)
@ -908,7 +1002,7 @@ func (c *QQChannel) genReplyMsg(ctx context.Context, msg bus.OutboundMessage) (d
return mdMsg, textMsg
}
func (c *QQChannel) getReplyExtInfo(ctx context.Context, chatID string) (replyID string, seq uint32) {
func (c *QQChannel) getReplyExtInfo(_ context.Context, chatID string) (replyID string, seq uint32) {
// Attach passive reply msg_id and msg_seq if available.
if v, ok := c.lastMsgID.Load(chatID); ok {
if msgID, ok := v.(string); ok && msgID != "" {
@ -927,9 +1021,117 @@ func (c *QQChannel) getReplyExtInfo(ctx context.Context, chatID string) (replyID
return replyID, seq
}
func (c *QQChannel) decodeMessage(ctx context.Context, chatID string, event *dto.WSPayload,
data *dto.Message) (string, []string) {
content := parseEmojiText(data.Content)
// sendOneMedia uploads a file and sends it via the API.
// QQ groups do not support file sending.
// When sending local files via QQ, the file size cannot exceed 10 MB.
func (c *QQChannel) sendOneMedia(ctx context.Context, chatID string, part bus.MediaPart) error {
chatKind := c.getChatKind(chatID)
mediaPath := part.Ref
var meta media.MediaMeta
if !isHTTPURL(mediaPath) {
store := c.GetMediaStore()
if store == nil {
logger.WarnCF("qq", "QQ media requires HTTP/HTTPS URL, no media store available", map[string]any{
"ref": part.Ref,
})
return fmt.Errorf("store not available")
}
var resolved string
var err error
resolved, meta, err = store.ResolveWithMeta(part.Ref)
if err != nil {
logger.ErrorCF("qq", "Failed to resolve media ref", map[string]any{
"ref": part.Ref,
"error": err.Error(),
})
return fmt.Errorf("store resolve failed")
}
mediaPath = resolved
}
// Map part type to QQ file type: 1=image, 2=video, 3=audio, 4=file.
var fileType uint64
switch part.Type {
case "image":
fileType = 1
case "video":
fileType = 2
case "audio":
fileType = 3
default:
fileType = 4 // file
}
richMedia := &RichMediaMessage{FileType: fileType}
if isHTTPURL(mediaPath) {
richMedia.URL = mediaPath
} else {
fdata, err := os.ReadFile(mediaPath)
if err != nil {
logger.ErrorCF("qq", "Failed to read media file", map[string]any{"path": mediaPath,
"error": err.Error()})
return fmt.Errorf("qq send media: read file failed: %w", channels.ErrSendFailed)
}
richMedia.FileData = fdata
richMedia.FileName = meta.Filename
}
if chatKind == kindGroup && fileType == 4 {
logger.WarnCF("qq", "Group does not support file send", map[string]any{
"filename": richMedia.FileName})
return fmt.Errorf("qq send media: group does not support file send: %w", channels.ErrSendFailed)
}
if len(richMedia.FileData) > 10*1024*1024 {
logger.WarnCF("qq", "File size exceeds 10M, skipping send", map[string]any{
"filename": richMedia.FileName, "size": len(richMedia.FileData)})
return fmt.Errorf("qq send media: file size exceeds 10M: %w ", channels.ErrSendFailed)
}
var sendErr error
var result *dto.Message
if chatKind == kindDirect {
result, sendErr = c.api.PostC2CMessage(ctx, chatID, richMedia)
} else {
result, sendErr = c.api.PostGroupMessage(ctx, chatID, richMedia)
}
if sendErr != nil {
logger.ErrorCF("qq", "Failed to send media", map[string]any{
"type": part.Type,
"chat_id": chatID,
"error": sendErr.Error(),
})
return fmt.Errorf("qq send media: %w err:%v", channels.ErrTemporary, sendErr)
}
msg := dto.MessageToCreate{
MsgType: dto.RichMediaMsg,
Media: &dto.MediaInfo{FileInfo: result.FileInfo},
}
msg.MsgID, msg.MsgSeq = c.getReplyExtInfo(ctx, chatID)
if chatKind == kindDirect {
result, sendErr = c.api.PostC2CMessage(ctx, chatID, msg)
} else {
result, sendErr = c.api.PostGroupMessage(ctx, chatID, msg)
}
if sendErr != nil {
logger.ErrorCF("qq", "Failed to send media", map[string]any{
"type": part.Type,
"chat_id": chatID,
"error": sendErr.Error(),
})
return fmt.Errorf("qq send media: %w err:%v", channels.ErrTemporary, sendErr)
}
return nil
}
func (c *QQChannel) decodeMessage(ctx context.Context, event *dto.WSPayload, data *dto.Message,
scope string) (content string, mediaPaths []string) {
content = parseEmojiText(data.Content)
wavURL, asrReferText := getVoiceInfo(event)
var attachments []MessageAttachment
for _, att := range data.Attachments {
@ -948,15 +1150,81 @@ func (c *QQChannel) decodeMessage(ctx context.Context, chatID string, event *dto
FileName: att.FileName,
})
}
processedPaths, attachmentContents := c.extractInboundAttachments(chatID, data.ID, attachments)
for _, note := range attachmentContents {
content = appendContent(content, note)
processedPaths, attachmentContent := c.processAttachments(ctx, attachments, scope)
if asrReferText != "" {
attachmentContent = fmt.Sprintf("[audio: %v]", asrReferText)
}
return content, processedPaths
mediaPaths = processedPaths
if content != "" {
content += "\n"
}
content += attachmentContent
return content, mediaPaths
}
// processAttachments processes all attachments in a message
func (c *QQChannel) processAttachments(ctx context.Context, attachments []MessageAttachment,
scope string) (mediaPaths []string, content string) {
// Helper to register a local file with the media store
storeMedia := func(localPath, filename string) string {
store := c.GetMediaStore()
if store == nil {
logger.ErrorCF("qq", "media store is nil", map[string]any{
"scope": scope,
})
return ""
}
ref, err := store.Store(localPath, media.MediaMeta{Filename: filename, Source: "qq"}, scope)
if err == nil {
logger.InfoCF("qq", "Stored media", map[string]any{
"scope": scope,
"localPath": localPath,
"filename": filename,
})
return ref
}
logger.ErrorCF("qq", "Stored media err ", map[string]any{
"scope": scope,
"localPath": localPath,
"err": err.Error(),
})
return localPath
}
for _, attachment := range attachments {
attachmentType := c.getAttachmentType(attachment)
localPath := c.downloadAttachment(ctx, attachment)
if localPath == "" {
mediaPaths = append(mediaPaths, attachment.URL)
content = appendContent(content, fmt.Sprintf("[%v: %s]", attachment.ContentType, attachment.URL))
continue
}
ref := storeMedia(localPath, attachment.FileName)
mediaPaths = append(mediaPaths, ref)
if attachmentType == "audio" && attachment.AsrReferText != "" {
content = appendContent(content, fmt.Sprintf("[audio: %s]", attachment.AsrReferText))
continue
}
content = appendContent(content, fmt.Sprintf("[%v: %s]", attachment.ContentType, ref))
}
return mediaPaths, content
}
// downloadAttachment downloads an attachment from QQ server
func (c *QQChannel) downloadAttachment(ctx context.Context, attachment MessageAttachment) string {
logger.InfoCF("qq", "Downloading attachment", map[string]any{
"attachment": attachment,
})
return utils.DownloadFile(attachment.URL, attachment.FileName, utils.DownloadOptions{
LoggerPrefix: "qq",
})
}
// getAttachmentType determines the type of attachment (image, audio, video, file)
func (c *QQChannel) getAttachmentType(attachment MessageAttachment) string {
if strings.HasPrefix(attachment.ContentType, "image") {
return "image"
}
@ -1023,6 +1291,14 @@ func sanitizeURLs(text string) string {
})
}
// appendContent safely appends content to existing text
func appendContent(content, suffix string) string {
if content == "" {
return suffix
}
return content + "\n" + suffix
}
func getVoiceInfo(event *dto.WSPayload) (string, string) {
_raw, err := json.Marshal(event.Data)
if err != nil {