errcode

pkg/common/db/table/unrelation/msg.go

@@ -0,0 +1,65 @@
+package unrelation
+
+import "strconv"
+
+const (
+	singleGocMsgNum = 5000
+	CChat           = "msg"
+)
+
+type UserChatModel struct {
+	UID string         `bson:"uid"`
+	Msg []MsgInfoModel `bson:"msg"`
+}
+
+type MsgInfoModel struct {
+	SendTime int64  `bson:"sendtime"`
+	Msg      []byte `bson:"msg"`
+}
+
+func (UserChatModel) TableName() string {
+	return CChat
+}
+
+func (UserChatModel) GetSingleGocMsgNum() int {
+	return singleGocMsgNum
+}
+
+func (u UserChatModel) getSeqUid(uid string, seq uint32) string {
+	seqSuffix := seq / singleGocMsgNum
+	return u.indexGen(uid, seqSuffix)
+}
+
+func (u UserChatModel) getSeqUserIDList(userID string, maxSeq uint32) []string {
+	seqMaxSuffix := maxSeq / singleGocMsgNum
+	var seqUserIDList []string
+	for i := 0; i <= int(seqMaxSuffix); i++ {
+		seqUserID := u.indexGen(userID, uint32(i))
+		seqUserIDList = append(seqUserIDList, seqUserID)
+	}
+	return seqUserIDList
+}
+
+func (UserChatModel) getSeqSuperGroupID(groupID string, seq uint32) string {
+	seqSuffix := seq / singleGocMsgNum
+	return superGroupIndexGen(groupID, seqSuffix)
+}
+
+func (u UserChatModel) GetSeqUid(uid string, seq uint32) string {
+	return u.getSeqUid(uid, seq)
+}
+
+func (UserChatModel) getMsgIndex(seq uint32) int {
+	seqSuffix := seq / singleGocMsgNum
+	var index uint32
+	if seqSuffix == 0 {
+		index = (seq - seqSuffix*singleGocMsgNum) - 1
+	} else {
+		index = seq - seqSuffix*singleGocMsgNum
+	}
+	return int(index)
+}
+
+func (UserChatModel) indexGen(uid string, seqSuffix uint32) string {
+	return uid + ":" + strconv.FormatInt(int64(seqSuffix), 10)
+}