add message

business/model/dao/event.go

@@ -211,3 +211,22 @@ func GetMessageGroups(db *DaoDB, userID string, groupType int, isMember bool, us
 	}
 	return messageGroupsResult, err
 }
+
+func GetMessageGroupMembers(db *DaoDB, groupID int, memberUserID string) (messageGroupMembers []*model.MessageGroupMember, err error) {
+	sql := `
+		SELECT * 
+		  FROM message_group_member
+		 WHERE deleted_at = ?  
+	`
+	sqlParams := []interface{}{utils.DefaultTimeValue}
+	if groupID != 0 {
+		sql += " AND group_id = ?"
+		sqlParams = append(sqlParams, groupID)
+	}
+	if memberUserID != "" {
+		sql += " AND member_user_id = ?"
+		sqlParams = append(sqlParams, memberUserID)
+	}
+	err = GetRows(db, &messageGroupMembers, sql, sqlParams)
+	return messageGroupMembers, err
+}