From df51c8b9a4996b12b103dfc0ec2d2a2f15e83cd8 Mon Sep 17 00:00:00 2001
From: wangchuxiao <wangchuxiao97@outlook.com>
Date: Tue, 24 May 2022 16:54:56 +0800
Subject: [PATCH] msg cache

---
 pkg/common/db/batch_insert_chat.go |  5 -----
 pkg/common/db/redisModel.go        | 27 +++++++++++++++++++++++++++
 pkg/utils/utils.go                 |  1 -
 3 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/pkg/common/db/batch_insert_chat.go b/pkg/common/db/batch_insert_chat.go
index 7273dbd18..b5fca3502 100644
--- a/pkg/common/db/batch_insert_chat.go
+++ b/pkg/common/db/batch_insert_chat.go
@@ -4,7 +4,6 @@ import (
 	"Open_IM/pkg/common/config"
 	"Open_IM/pkg/common/log"
 	pbMsg "Open_IM/pkg/proto/chat"
-	server_api_params "Open_IM/pkg/proto/sdk_ws"
 	"Open_IM/pkg/utils"
 	"context"
 	"errors"
@@ -105,7 +104,3 @@ func (d *DataBases) BatchInsertChat(userID string, msgList []*pbMsg.MsgDataToMQ,
 	log.NewWarn(operationID, "batch mgo  cost time ", getCurrentTimestampByMill()-newTime, userID, len(msgList))
 	return utils.Wrap(d.SetUserMaxSeq(userID, uint64(currentMaxSeq)), "")
 }
-
-func setMessageToCache(msgList []*server_api_params.MsgData, uid string) (err error) {
-	return err
-}
diff --git a/pkg/common/db/redisModel.go b/pkg/common/db/redisModel.go
index 46318ac4a..93ac28d80 100644
--- a/pkg/common/db/redisModel.go
+++ b/pkg/common/db/redisModel.go
@@ -3,9 +3,14 @@ package db
 import (
 	"Open_IM/pkg/common/constant"
 	log2 "Open_IM/pkg/common/log"
+	pbChat "Open_IM/pkg/proto/chat"
 	pbCommon "Open_IM/pkg/proto/sdk_ws"
+	"Open_IM/pkg/utils"
 	"encoding/json"
+	"errors"
+	"fmt"
 	"github.com/garyburd/redigo/redis"
+	"strconv"
 )
 
 const (
@@ -21,6 +26,7 @@ const (
 	friendRelationCache           = "FRIEND_RELATION_CACHE:"
 	blackListCache                = "BLACK_LIST_CACHE:"
 	groupCache                    = "GROUP_CACHE:"
+	messageCache                  = "MESSAGE_CACHE:"
 )
 
 func (d *DataBases) Exec(cmd string, key interface{}, args ...interface{}) (interface{}, error) {
@@ -257,3 +263,24 @@ func (d *DataBases) GetGroupMemberIDListFromCache(groupID string) ([]string, err
 	result, err := redis.Strings(d.Exec("SMEMBERS", groupCache+groupID))
 	return result, err
 }
+
+func (d *DataBases) SetMessageToCache(msgList []*pbChat.MsgDataToMQ, uid string) (err error) {
+	var failedList []pbChat.MsgDataToMQ
+	for _, msg := range msgList {
+		key := messageCache + uid + "_" + strconv.Itoa(int(msg.MsgData.Seq))
+		m, err := utils.Pb2Map(msg.MsgData)
+		if err != nil {
+			log2.NewWarn("", utils.GetSelfFuncName(), "Pb2Map failed", *msg.MsgData, uid, err.Error())
+			continue
+		}
+		_, err = d.Exec("hmset", key, redis.Args{}.Add().AddFlat(m)...)
+		if err != nil {
+			log2.NewWarn("", utils.GetSelfFuncName(), "redis failed", "args:", key, *msg, uid)
+			failedList = append(failedList, *msg)
+		}
+	}
+	if len(failedList) != 0 {
+		return errors.New(fmt.Sprintf("set msg to cache failed, failed lists: %s", failedList))
+	}
+	return err
+}
diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index 86b1be180..b9282d699 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -147,6 +147,5 @@ func Pb2Map(pb proto.Message) (map[string]interface{}, error) {
 	jsonCnt := _buffer.Bytes()
 	var out map[string]interface{}
 	err := json.Unmarshal(jsonCnt, &out)
-
 	return out, err
 }