🆕 添加语音消息处理逻辑，支持下载和数据库记录(WIP，没有转换成wav之类的可以播放的格式)

internal/wechat/voice.go

@@ -0,0 +1,26 @@
+package wechat
+
+import "encoding/xml"
+
+// VoiceMessage
+// @description: 语音消息
+type VoiceMessage struct {
+	XMLName  xml.Name `xml:"msg"`
+	Text     string   `xml:",chardata"`
+	VoiceMsg struct {
+		Text         string `xml:",chardata"`
+		Endflag      string `xml:"endflag,attr"`
+		Cancelflag   string `xml:"cancelflag,attr"`
+		Forwardflag  string `xml:"forwardflag,attr"`
+		Voiceformat  string `xml:"voiceformat,attr"`
+		Voicelength  string `xml:"voicelength,attr"`
+		Length       string `xml:"length,attr"`
+		Bufid        string `xml:"bufid,attr"`
+		Aeskey       string `xml:"aeskey,attr"`
+		VoiceUrl     string `xml:"voiceurl,attr"`
+		Voicemd5     string `xml:"voicemd5,attr"`
+		Clientmsgid  string `xml:"clientmsgid,attr"`
+		Fromusername string `xml:"fromusername,attr"`
+	} `xml:"voicemsg"`
+	//Extcommoninfo string `xml:"extcommoninfo"`
+}

pkg/message/handler.go

@@ -18,6 +18,9 @@ func Handler(msg *model.Message, client *xybot.Client) {
 	case types.MsgTypeEmoticon:
 		// 表情包消息
 		handlerEmoticon(msg, client)
+	case types.MsgTypeVoice:
+		// 语音消息
+		handlerVoice(msg, client)
 	}
 
 }

pkg/message/vioce.go

@@ -0,0 +1,54 @@
+package message
+
+import (
+	"encoding/xml"
+	"gitee.ltd/lxh/wechat-robot/internal/minio"
+	"gitee.ltd/lxh/wechat-robot/internal/model"
+	"gitee.ltd/lxh/wechat-robot/internal/wechat"
+	"gitee.ltd/lxh/xybot"
+	"github.com/gofiber/fiber/v2/log"
+	"strconv"
+)
+
+// handlerVoice
+// @description: 处理语音消息
+// @param msg
+// @param client
+func handlerVoice(msg *model.Message, client *xybot.Client) {
+	var err error
+
+	// 解析消息xml
+	var voice wechat.VoiceMessage
+	if err = xml.Unmarshal([]byte(msg.Content), &voice); err != nil {
+		log.Errorf("%v解析消息失败: %v", msg.Type, err.Error())
+		return
+	}
+
+	// 将音频长度转换成数字类型
+	length, _ := strconv.Atoi(voice.VoiceMsg.Length)
+	if length == 0 {
+		log.Debugf("音频长度为0，无法下载")
+		return
+	}
+
+	// 取出关键数据，然后下载
+	var voiceSilkStr string
+	if voiceSilkStr, err = client.Tool.DownloadVoice(msg.ClientMsgId, voice.VoiceMsg.VoiceUrl, length); err != nil {
+		log.Errorf("下载语音失败: %v", err.Error())
+		return
+	}
+
+	// TODO 将这个base64转换成wav
+
+	// 保存文件到OSS，后缀为.aud，后续转换之后可以存wav之类的
+	msg.FileUrl, err = minio.SaveBase64(voiceSilkStr, "", "aud")
+	if err != nil {
+		log.Errorf("文件保存到Minio失败: %s", err.Error())
+		return
+	}
+	// 更新数据库
+	if err = model.GetDB().Model(&msg).Where("id = ?", msg.ID).Update("file_url", msg.FileUrl).Error; err != nil {
+		log.Errorf("更新数据库失败: %s", err.Error())
+		return
+	}
+}