// 删除消息
// msgtype -> system(系统消息)/inbox(outbox)(短消息)
func DeleteMessage(id, msgtype string) bool {
var err error
if msgtype == "system" {
err = model.NewSystemMessage().Where("id=" + id).Delete()
} else if msgtype == "inbox" {
// 打标记
err = model.NewMessage().Set("tdel=" + model.TdelHasDel).Where("id=" + id).Update()
} else {
err = model.NewMessage().Set("fdel=" + model.FdelHasDel).Where("id=" + id).Update()
}
if err != nil {
logger.Errorln("message service DeleteMessage Error:", err)
return false
}
return true
}
// 获得发给某人的短消息（收件箱）
func FindToMsgsByUid(uid string) []map[string]interface{} {
messages, err := model.NewMessage().Where("to=" + uid + " AND tdel=" + model.TdelNotDel).Order("ctime DESC").FindAll()
if err != nil {
logger.Errorln("message service FindToMsgsByUid Error:", err)
return nil
}
uids := make(map[int]int)
ids := make([]int, 0, len(messages))
for _, message := range messages {
uids[message.From] = message.From
if message.Hasread == model.NotRead {
ids = append(ids, message.Id)
}
}
// 标记已读
go MarkHasRead(ids, false, util.MustInt(uid))
userMap := getUserInfos(uids)
result := make([]map[string]interface{}, len(messages))
for i, message := range messages {
tmpMap := make(map[string]interface{})
util.Struct2Map(tmpMap, message)
tmpMap["user"] = userMap[message.From]
// 为了跟系统消息一致
tmpMap["title"] = "发来了一条消息："
result[i] = tmpMap
}
return result
}
// 获得某个用户未读消息数（系统消息和短消息）
func FindNotReadMsgNum(uid int) int {
condition := "to=" + strconv.Itoa(uid) + " AND hasread=" + model.NotRead
sysMsgNum, err := model.NewSystemMessage().Where(condition).Count()
if err != nil {
logger.Errorln("SystemMessage service FindNotReadMsgNum Error:", err)
}
msgNum, err := model.NewMessage().Where(condition).Count()
if err != nil {
logger.Errorln("Message service FindNotReadMsgNum Error:", err)
}
return sysMsgNum + msgNum
}
// from给to发短信息
func SendMessageTo(from, to int, content string) bool {
message := model.NewMessage()
message.From = from
message.To = to
message.Content = content
if _, err := message.Insert(); err != nil {
logger.Errorln("message service SendMessageTo Error:", err)
return false
}
return true
}
// from给to发短信息
func SendMessageTo(from, to int, content string) bool {
message := model.NewMessage()
message.From = from
message.To = to
message.Content = content
if _, err := message.Insert(); err != nil {
logger.Errorln("message service SendMessageTo Error:", err)
return false
}
// 通过 WebSocket 通知对方
msg := NewMessage(WsMsgNotify, 1)
go Book.PostMessage(to, msg)
return true
}
// 获取某人发送的消息
func FindFromMsgsByUid(uid string) []map[string]interface{} {
messages, err := model.NewMessage().Where("from=" + uid + " AND fdel=" + model.FdelNotDel).Order("ctime DESC").FindAll()
if err != nil {
logger.Errorln("message service FindFromMsgsByUid Error:", err)
return nil
}
uids := make(map[int]int)
for _, message := range messages {
uids[message.To] = message.To
}
userMap := getUserInfos(uids)
result := make([]map[string]interface{}, len(messages))
for i, message := range messages {
tmpMap := make(map[string]interface{})
util.Struct2Map(tmpMap, message)
tmpMap["user"] = userMap[message.To]
result[i] = tmpMap
}
return result
}
// 标记消息已读
func MarkHasRead(ids []int, isSysMsg bool, uid int) bool {
if len(ids) == 0 {
return true
}
condition := "id=" + strconv.Itoa(ids[0])
if len(ids) > 1 {
condition = "id in(" + util.Join(ids, ",") + ")"
}
var err error
if isSysMsg {
err = model.NewSystemMessage().Set("hasread=" + model.HasRead).Where(condition).Update()
} else {
err = model.NewMessage().Set("hasread=" + model.HasRead).Where(condition).Update()
}
if err != nil {
logger.Errorln("message service MarkHasRead Error:", err)
return false
}
return true
}