Merge pull request '🎨 优化被移除群聊通知逻辑' (#72) from hotfix into main

Reviewed-on: https://gitee.ltd/lxh/go-wxhelper/pulls/72

initialization/plugin.go

@@ -6,6 +6,7 @@ import (
 	plugin "go-wechat/plugin"
 	"go-wechat/plugin/plugins"
 	"go-wechat/service"
+	"go-wechat/types"
 )
 
 // Plugin
@@ -28,6 +29,10 @@ func Plugin() {
 		flag, _ := m.IsInvitationJoinGroup()
 		return flag
 	}, plugins.NotifyInvitationJoinGroup)
+	// 被移除群聊通知到配置用户
+	dispatcher.RegisterHandler(func(m *dto.Message) bool {
+		return m.Type == types.MsgTypeSys
+	}, plugins.NotifyRemoveFromChatroom)
 
 	// 私聊指令消息
 	dispatcher.RegisterHandler(func(m *dto.Message) bool {

plugin/plugins/notify2configuser.go

@@ -4,7 +4,9 @@ import (
 	"fmt"
 	"go-wechat/config"
 	"go-wechat/plugin"
+	"go-wechat/service"
 	"go-wechat/utils"
+	"strings"
 )
 
 // NotifyInvitationJoinGroup
@@ -25,3 +27,26 @@ func NotifyInvitationJoinGroup(m *plugin.MessageContext) {
 		}
 	}
 }
+
+// NotifyRemoveFromChatroom
+// @description: 被移除群聊通知到配置用户
+// @param m
+func NotifyRemoveFromChatroom(m *plugin.MessageContext) {
+	// 如果是被移出群聊，推送到配置的用户
+	if strings.HasPrefix(m.Content, "你被\"") && strings.HasSuffix(m.Content, "\"移出群聊") {
+		// 取出群名称
+		groupName, err := service.GetFriendInfoById(m.FromUser)
+		if err != nil {
+			return
+		}
+		// 组装消息
+		msg := fmt.Sprintf("#移除群聊提醒\n\n群Id: %s\n群名称: %s\n事件: %s", m.FromUser, groupName, m.Content)
+
+		for _, user := range config.Conf.System.NewFriendNotify.ToUser {
+			if user != "" {
+				// 发送一条新消息
+				utils.SendMessage(user, "", msg, 0)
+			}
+		}
+	}
+}

service/friend.go

@@ -37,6 +37,16 @@ func GetAllFriend() (friends, groups []vo.FriendItem, err error) {
 	return
 }
 
+// GetFriendInfoById
+// @description: 通过wxId获取好友信息
+// @param wxId
+// @return ent
+// @return err
+func GetFriendInfoById(wxId string) (ent entity.Friend, err error) {
+	err = client.MySQL.Where("wxid = ?", wxId).First(&ent).Error
+	return
+}
+
 // GetAllEnableAI
 // @description: 取出所有启用了AI的好友或群组
 // @return []entity.Friend