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msg_helper.go
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/
msg_helper.go
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package wcferry
import (
"encoding/xml"
"fmt"
"html"
"strings"
"github.com/clbanning/mxj"
"github.com/opentdp/go-helper/strutil"
"github.com/opentdp/wrest-chat/wcferry/types"
)
type FlexWxMsg struct {
*WxMsg // 消息原始数据
Content any `json:"content,omitempty"`
Xml any `json:"xml,omitempty"`
}
// 解析消息数据
// param msg *WxMsg 消息
// return *FlexWxMsg 转换后的消息
func ParseWxMsg(msg *WxMsg) *FlexWxMsg {
ret := &FlexWxMsg{msg, msg.Content, msg.Xml}
// preset
str := ""
mxj.SetAttrPrefix("")
// c.Content
str = strings.TrimSpace(msg.Content)
xmlPrefixes := []string{"<?xml", "<sysmsg", "<msg"}
for _, prefix := range xmlPrefixes {
if strings.HasPrefix(str, prefix) {
mv, err := mxj.NewMapXml([]byte(str))
if err == nil {
ret.Content = mv
}
break
}
}
// c.Xml
str = strings.TrimSpace(msg.Xml)
if strings.HasPrefix(str, "<") {
mv, err := mxj.NewMapXml([]byte(str))
if err == nil {
ret.Xml = mv
}
}
// return
return ret
}
// 解析聊天记录
// param str string 消息内容
// return *types.RecordInfo 聊天记录
func ParseWxMsgRecord(str string) (*types.RecordInfo, error) {
// 解析消息内容
content := types.MsgContent49{}
err := xml.Unmarshal([]byte(str), &content)
if err != nil || content.AppMsg.Type != 19 {
return nil, fmt.Errorf("不支持的记录格式")
}
// 解析聊天记录
record := types.RecordInfo{}
itemXml := html.UnescapeString(content.AppMsg.RecordItem)
err = xml.Unmarshal([]byte(itemXml), &record)
return &record, err
}
// 打印接收到的消息
// param msg *FlexWxMsg 消息
func WxMsgPrinter(msg *WxMsg) {
rs := "\n=== New Message ===\n"
if msg.Id > 0 {
rs += fmt.Sprintf("::Id:: %d\n", msg.Id)
}
if msg.Type > 0 {
rs += fmt.Sprintf("::Type:: %d\n", msg.Type)
}
if msg.Roomid != "" {
rs += fmt.Sprintf("::Roomid:: %s\n", msg.Roomid)
}
if msg.Sender != "" {
rs += fmt.Sprintf("::Sender:: %v\n", msg.Sender)
}
if msg.Content != "" {
rs += fmt.Sprintf("::Content::\n%s\n", strutil.Dedent(msg.Content))
}
if msg.Xml != "" {
rs += fmt.Sprintf("::Xml::\n%s\n", strutil.Dedent(msg.Xml))
}
if msg.Extra != "" {
rs += fmt.Sprintf("::Extra:: %s\n", msg.Extra)
}
fmt.Print(rs, "=== End Message ===\n")
}