Files
chatlog/internal/model/message.go
2025-04-08 23:29:41 +08:00

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package model
import (
"encoding/xml"
"fmt"
"strings"
"time"
"github.com/sjzar/chatlog/pkg/util"
)
var Debug = false
const (
WeChatV3 = "wechatv3"
WeChatV4 = "wechatv4"
WeChatDarwinV3 = "wechatdarwinv3"
)
type Message struct {
Version string `json:"-"` // 消息版本,内部判断
Seq int64 `json:"seq"` // 消息序号10位时间戳 + 3位序号
Time time.Time `json:"time"` // 消息创建时间10位时间戳
Talker string `json:"talker"` // 聊天对象,微信 ID or 群 ID
TalkerName string `json:"talkerName"` // 聊天对象名称
IsChatRoom bool `json:"isChatRoom"` // 是否为群聊消息
Sender string `json:"sender"` // 发送人,微信 ID
SenderName string `json:"senderName"` // 发送人名称
IsSelf bool `json:"isSelf"` // 是否为自己发送的消息
Type int64 `json:"type"` // 消息类型
SubType int64 `json:"subType"` // 消息子类型
Content string `json:"content"` // 消息内容,文字聊天内容
Contents map[string]interface{} `json:"contents,omitempty"` // 消息内容,多媒体消息,采用更灵活的记录方式
// Debug Info
MediaMsg *MediaMsg `json:"mediaMsg,omitempty"` // 原始多媒体消息XML 格式
SysMsg *SysMsg `json:"sysMsg,omitempty"` // 原始系统消息XML 格式
}
func (m *Message) ParseMediaInfo(data string) error {
m.Type, m.SubType = util.SplitInt64ToTwoInt32(m.Type)
if m.Type == 1 {
m.Content = data
return nil
}
if m.Type == 10000 {
var sysMsg SysMsg
if err := xml.Unmarshal([]byte(data), &sysMsg); err != nil {
m.Content = data
return nil
}
if Debug {
m.SysMsg = &sysMsg
}
m.Content = sysMsg.String()
return nil
}
var msg MediaMsg
err := xml.Unmarshal([]byte(data), &msg)
if err != nil {
return err
}
if m.Contents == nil {
m.Contents = make(map[string]interface{})
}
if Debug {
m.MediaMsg = &msg
}
switch m.Type {
case 3:
m.Contents["md5"] = msg.Image.MD5
case 43:
m.Contents["md5"] = msg.Video.RawMd5
case 49:
m.SubType = int64(msg.App.Type)
switch m.SubType {
case 5:
// 链接
m.Contents["title"] = msg.App.Title
m.Contents["url"] = msg.App.URL
case 6:
// 文件
m.Contents["title"] = msg.App.Title
m.Contents["md5"] = msg.App.MD5
case 19:
// 合并转发
m.Contents["title"] = msg.App.Title
m.Contents["desc"] = msg.App.Des
if msg.App.RecordItem == nil {
break
}
recordInfo := &RecordInfo{}
err := xml.Unmarshal([]byte(msg.App.RecordItem.CDATA), recordInfo)
if err != nil {
return err
}
m.Contents["recordInfo"] = recordInfo
case 33, 36:
// 小程序
m.Contents["title"] = msg.App.SourceDisplayName
m.Contents["url"] = msg.App.URL
case 51:
// 视频号
if msg.App.FinderFeed == nil {
break
}
m.Contents["title"] = msg.App.FinderFeed.Desc
if len(msg.App.FinderFeed.MediaList.Media) > 0 {
m.Contents["url"] = msg.App.FinderFeed.MediaList.Media[0].URL
}
case 57:
// 引用
m.Content = msg.App.Title
if msg.App.ReferMsg == nil {
break
}
subMsg := &Message{
Type: int64(msg.App.ReferMsg.Type),
Time: time.Unix(msg.App.ReferMsg.CreateTime, 0),
Sender: msg.App.ReferMsg.ChatUsr,
SenderName: msg.App.ReferMsg.DisplayName,
}
if subMsg.Sender == "" {
subMsg.Sender = msg.App.ReferMsg.FromUsr
}
if err := subMsg.ParseMediaInfo(msg.App.ReferMsg.Content); err != nil {
break
}
m.Contents["refer"] = subMsg
case 62:
// 拍一拍
if msg.App.PatMsg == nil {
break
}
if len(msg.App.PatMsg.Records.Record) == 0 {
break
}
m.Sender = msg.App.PatMsg.Records.Record[0].FromUser
m.Content = msg.App.PatMsg.Records.Record[0].Templete
case 2000:
// 微信转账
if msg.App.WCPayInfo == nil {
break
}
// 1 实时转账
// 3 实时转账收钱回执
// 4 转账退还回执
// 5 非实时转账收钱回执
// 7 非实时转账
_type := ""
switch msg.App.WCPayInfo.PaySubType {
case 1, 7:
_type = "发送 "
case 3, 5:
_type = "接收 "
case 4:
_type = "退还 "
}
payMemo := ""
if len(msg.App.WCPayInfo.PayMemo) > 0 {
payMemo = "(" + msg.App.WCPayInfo.PayMemo + ")"
}
m.Content = fmt.Sprintf("[转账|%s%s]%s", _type, msg.App.WCPayInfo.FeeDesc, payMemo)
}
}
return nil
}
func (m *Message) SetContent(key string, value interface{}) {
if m.Contents == nil {
m.Contents = make(map[string]interface{})
}
m.Contents[key] = value
}
func (m *Message) PlainText(showChatRoom bool, host string) string {
m.SetContent("host", host)
buf := strings.Builder{}
sender := m.Sender
switch {
case m.Type == 10000:
sender = "系统消息"
case m.IsSelf:
sender = "我"
default:
sender = m.Sender
}
if m.SenderName != "" {
buf.WriteString(m.SenderName)
buf.WriteString("(")
buf.WriteString(sender)
buf.WriteString(")")
} else {
buf.WriteString(sender)
}
buf.WriteString(" ")
if m.IsChatRoom && showChatRoom {
buf.WriteString("[")
if m.TalkerName != "" {
buf.WriteString(m.TalkerName)
buf.WriteString("(")
buf.WriteString(m.Talker)
buf.WriteString(")")
} else {
buf.WriteString(m.Talker)
}
buf.WriteString("] ")
}
buf.WriteString(m.Time.Format("2006-01-02 15:04:05"))
buf.WriteString("\n")
buf.WriteString(m.PlainTextContent())
buf.WriteString("\n")
return buf.String()
}
func (m *Message) PlainTextContent() string {
switch m.Type {
case 1:
return m.Content
case 3:
return fmt.Sprintf("![图片](http://%s/image/%s)", m.Contents["host"], m.Contents["md5"])
case 34:
return "[语音]"
case 42:
return "[名片]"
case 43:
if path, ok := m.Contents["path"]; ok {
return fmt.Sprintf("![视频](http://%s/data/%s)", m.Contents["host"], path)
}
return fmt.Sprintf("![视频](http://%s/video/%s)", m.Contents["host"], m.Contents["md5"])
case 47:
return "[动画表情]"
case 49:
switch m.SubType {
case 5:
return fmt.Sprintf("[链接|%s](%s)", m.Contents["title"], m.Contents["url"])
case 6:
return fmt.Sprintf("[文件|%s](http://%s/file/%s)", m.Contents["title"], m.Contents["host"], m.Contents["md5"])
case 8:
return "[GIF表情]"
case 19:
_recordInfo, ok := m.Contents["recordInfo"]
if !ok {
return "[合并转发]"
}
recordInfo, ok := _recordInfo.(*RecordInfo)
if !ok {
return "[合并转发]"
}
return recordInfo.String("", m.Contents["host"].(string))
case 33, 36:
if m.Contents["title"] == "" {
return "[小程序]"
}
return fmt.Sprintf("[小程序|%s](%s)", m.Contents["title"], m.Contents["url"])
case 51:
if m.Contents["title"] == "" {
return "[视频号]"
} else {
return fmt.Sprintf("[视频号|%s](%s)", m.Contents["title"], m.Contents["url"])
}
case 57:
_refer, ok := m.Contents["refer"]
if !ok {
if m.Content == "" {
return "[引用]"
}
return "> [引用]\n" + m.Content
}
refer, ok := _refer.(*Message)
if !ok {
if m.Content == "" {
return "[引用]"
}
return "> [引用]\n" + m.Content
}
buf := strings.Builder{}
referContent := refer.PlainText(false, m.Contents["host"].(string))
for _, line := range strings.Split(referContent, "\n") {
if line == "" {
continue
}
buf.WriteString("> ")
buf.WriteString(line)
buf.WriteString("\n")
}
buf.WriteString(m.Content)
return buf.String()
case 62:
return m.Content
case 63:
return "[视频号]"
case 87:
return "[群公告]"
case 2000:
return m.Content
case 2001:
return "[红包]"
case 2003:
return "[红包封面]"
default:
return "[分享]"
}
case 50:
return "[语音通话]"
case 10000:
return m.Content
default:
content := m.Content
if len(content) > 120 {
content = content[:120] + "<...>"
}
return fmt.Sprintf("Type: %d Content: %s", m.Type, content)
}
}