tag and set private tips

pkg/common/config/config.go

@@ -350,6 +350,11 @@ type config struct {
 			OfflinePush  POfflinePush  `yaml:"offlinePush"`
 			DefaultTips  PDefaultTips  `yaml:"defaultTips"`
 		} `yaml:"conversationOptUpdate"`
+		ConversationSetPrivate struct {
+			Conversation PConversation `yaml:"conversation"`
+			OfflinePush  POfflinePush  `yaml:"offlinePush"`
+			DefaultTips  PDefaultTips  `yaml:"defaultTips"`
+		} `yaml:"conversationSetPrivate"`
 	}
 	Demo struct {
 		Port         []int `yaml:"openImDemoPort"`

pkg/common/constant/constant.go

@@ -56,13 +56,11 @@ const (
 	FriendRemarkSetNotification           = 1206 //set_friend_remark?
 	BlackAddedNotification                = 1207 //add_black
 	BlackDeletedNotification              = 1208 //remove_black
-	ConversationOptChangeNotification     = 1300 // change conversation opt
+
+	ConversationOptChangeNotification = 1300 // change conversation opt
 
 	UserNotificationBegin       = 1301
 	UserInfoUpdatedNotification = 1303 //SetSelfInfoTip             = 204
-	ConversationNotification    = 1307
-	ConversationNotNotification = 1308
-	ConversationDefault         = 0
 	UserNotificationEnd         = 1399
 	OANotification              = 1400
 
@@ -87,7 +85,10 @@ const (
 	SignalingNotificationBegin = 1600
 	SignalingNotification      = 1601
 	SignalingNotificationEnd   = 1699
-	NotificationEnd            = 2000
+
+	ConversationPrivateChatNotification = 1701
+
+	NotificationEnd = 2000
 
 	//status
 	MsgNormal  = 1

pkg/common/db/mongoModel.go

@@ -470,6 +470,14 @@ func (d *DataBases) CreateTag(userID, tagName string, userList []string) error {
 	return err
 }
 
+func (d *DataBases) GetTagByID(userID, tagID string) (Tag, error) {
+	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
+	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cTag)
+	var tag Tag
+	err := c.FindOne(ctx, bson.M{"user_id": userID, "tag_id": tagID}).Decode(&tag)
+	return tag, err
+}
+
 func (d *DataBases) DeleteTag(userID, tagID string) error {
 	ctx, _ := context.WithTimeout(context.Background(), time.Duration(config.Config.Mongo.DBTimeout)*time.Second)
 	c := d.mongoClient.Database(config.Config.Mongo.DBDatabase).Collection(cTag)