go-wxhelper/model/dto/message.go

218 lines
5.8 KiB
Go
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

package dto
import (
"encoding/xml"
"github.com/duke-git/lancet/v2/slice"
"go-wechat/types"
"regexp"
"strings"
)
// Message
// @description: 消息
type Message struct {
MsgId int64 `json:"msgId"`
CreateTime int `json:"createTime"`
Content string `json:"content"`
DisplayFullContent string `json:"displayFullContent"`
FromUser string `json:"fromUser"`
GroupUser string `json:"-"`
MsgSequence int `json:"msgSequence"`
Pid int `json:"pid"`
Signature string `json:"signature"`
ToUser string `json:"toUser"`
Type types.MessageType `json:"type"`
Raw string `json:"raw"`
}
// systemMsgDataXml
// @description: 微信系统消息的xml结构
type systemMsgDataXml struct {
SysMsg sysMsg `xml:"sysmsg"`
Type string `xml:"type,attr"`
}
// appMsgDataXml
// @description: 微信app消息的xml结构
type appMsgDataXml struct {
XMLName xml.Name `xml:"msg"`
Text string `xml:",chardata"`
AppMsg struct {
Text string `xml:",chardata"`
Appid string `xml:"appid,attr"`
SdkVer string `xml:"sdkver,attr"`
Title string `xml:"title"`
Des string `xml:"des"`
Action string `xml:"action"`
Type string `xml:"type"`
ShowType string `xml:"showtype"`
Content string `xml:"content"`
URL string `xml:"url"`
ThumbUrl string `xml:"thumburl"`
LowUrl string `xml:"lowurl"`
AppAttach struct {
Text string `xml:",chardata"`
TotalLen string `xml:"totallen"`
AttachId string `xml:"attachid"`
FileExt string `xml:"fileext"`
} `xml:"appattach"`
ExtInfo string `xml:"extinfo"`
} `xml:"appmsg"`
AppInfo struct {
Text string `xml:",chardata"`
Version string `xml:"version"`
AppName string `xml:"appname"`
} `xml:"appinfo"`
}
// atMsgDataXml
// @description: 微信@消息的xml结构
type atMsgDataXml struct {
XMLName xml.Name `xml:"msgsource"`
Text string `xml:",chardata"`
AtUserList string `xml:"atuserlist"`
Silence string `xml:"silence"`
MemberCount string `xml:"membercount"`
Signature string `xml:"signature"`
TmpNode struct {
Text string `xml:",chardata"`
PublisherID string `xml:"publisher-id"`
} `xml:"tmp_node"`
}
// sysMsg
// @description: 消息主体
type sysMsg struct{}
func (m Message) IsGroup() bool {
return strings.HasSuffix(m.FromUser, "@chatroom")
}
// IsPat
// @description: 是否是拍一拍消息
// @receiver m
// @return bool
func (m Message) IsPat() bool {
// 解析xml
var d systemMsgDataXml
if err := xml.Unmarshal([]byte(m.Content), &d); err != nil {
return false
}
return m.Type == types.MsgTypeRecalled && d.Type == "pat"
}
// IsRevokeMsg
// @description: 是否是撤回消息
// @receiver m
// @return bool
func (m Message) IsRevokeMsg() bool {
// 解析xml
var d systemMsgDataXml
if err := xml.Unmarshal([]byte(m.Content), &d); err != nil {
return false
}
return m.Type == types.MsgTypeRecalled && d.Type == "revokemsg"
}
// IsNewUserJoin
// @description: 是否是新人入群
// @receiver m
// @return bool
func (m Message) IsNewUserJoin() bool {
if m.Type != types.MsgTypeSys {
return false
}
isInvitation := strings.Contains(m.Content, "\"邀请\"") && strings.Contains(m.Content, "\"加入了群聊")
isScanQrCode := strings.Contains(m.Content, "通过扫描") && strings.Contains(m.Content, "加入群聊")
sysFlag := isInvitation || isScanQrCode
if sysFlag {
return true
}
// 解析另一种情况
var d systemMsgDataXml
if err := xml.Unmarshal([]byte(m.Content), &d); err != nil {
return false
}
return d.Type == "delchatroommember"
}
// IsAt
// @description: 是否是At机器人的消息
// @receiver m
// @return bool
func (m Message) IsAt() bool {
return strings.HasSuffix(m.DisplayFullContent, "在群聊中@了你")
}
// IsAtAll
// @description: 是否是At所有人的消息
// @receiver m
// @return bool
func (m Message) IsAtAll() bool {
// 解析raw里面的xml
var d atMsgDataXml
if err := xml.Unmarshal([]byte(m.Signature), &d); err != nil {
return false
}
// 转换@用户列表为数组
atUserList := strings.Split(d.AtUserList, ",")
// 判断是否包含@所有人
return slice.Contain(atUserList, "notify@all")
}
// IsPrivateText
// @description: 是否是私聊消息
// @receiver m
// @return bool
func (m Message) IsPrivateText() bool {
// 发信人不以@chatroom结尾且消息类型为文本
return !strings.HasSuffix(m.FromUser, "chatroom") && m.Type == types.MsgTypeText
}
// CleanContentStartWith
// @description: 判断是否包含指定消息前缀
// @receiver m
// @param prefix
// @return bool
func (m Message) CleanContentStartWith(prefix string) bool {
content := m.Content
// 如果是@消息,过滤掉@的内容
if m.IsAt() {
re := regexp.MustCompile(`@([^| ]+)`)
matches := re.FindStringSubmatch(content)
if len(matches) > 0 {
// 过滤掉第一个匹配到的
content = strings.Replace(content, matches[0], "", 1)
}
}
// 去掉最前面的空格
content = strings.TrimLeft(content, "")
content = strings.TrimLeft(content, " ")
return strings.HasPrefix(content, prefix)
}
// IsInvitationJoinGroup
// @description: 是否是邀请入群消息
// @receiver m
// @return bool 是否是邀请入群消息
// @return string 邀请入群消息内容
func (m Message) IsInvitationJoinGroup() (flag bool, str string) {
if m.Type == types.MsgTypeApp {
// 解析xml
var md appMsgDataXml
if err := xml.Unmarshal([]byte(m.Content), &md); err != nil {
return
}
flag = md.AppMsg.Type == "5" && md.AppMsg.Title == "邀请你加入群聊"
str = strings.ReplaceAll(md.AppMsg.Des, ",进入可查看详情。", "")
return
}
return
}