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// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package push
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import (
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"context"
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"encoding/json"
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"github.com/IBM/sarama"
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"github.com/openimsdk/open-im-server/v3/internal/push/offlinepush"
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"github.com/openimsdk/open-im-server/v3/internal/push/offlinepush/options"
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"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
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"github.com/openimsdk/open-im-server/v3/pkg/common/webhook"
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"github.com/openimsdk/open-im-server/v3/pkg/msgprocessor"
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"github.com/openimsdk/open-im-server/v3/pkg/rpccache"
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"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
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"github.com/openimsdk/open-im-server/v3/pkg/util/conversationutil"
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"github.com/openimsdk/protocol/constant"
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pbchat "github.com/openimsdk/protocol/msg"
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"github.com/openimsdk/protocol/msggateway"
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pbpush "github.com/openimsdk/protocol/push"
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"github.com/openimsdk/protocol/sdkws"
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"github.com/openimsdk/tools/discovery"
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"github.com/openimsdk/tools/log"
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"github.com/openimsdk/tools/mcontext"
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"github.com/openimsdk/tools/mq/kafka"
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"github.com/openimsdk/tools/utils/datautil"
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"github.com/openimsdk/tools/utils/jsonutil"
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"github.com/openimsdk/tools/utils/timeutil"
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"github.com/redis/go-redis/v9"
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"google.golang.org/protobuf/proto"
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)
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type ConsumerHandler struct {
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pushConsumerGroup *kafka.MConsumerGroup
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offlinePusher offlinepush.OfflinePusher
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onlinePusher OnlinePusher
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onlineCache *rpccache.OnlineCache
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groupLocalCache *rpccache.GroupLocalCache
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conversationLocalCache *rpccache.ConversationLocalCache
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msgRpcClient rpcclient.MessageRpcClient
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conversationRpcClient rpcclient.ConversationRpcClient
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groupRpcClient rpcclient.GroupRpcClient
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webhookClient *webhook.Client
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config *Config
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}
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func NewConsumerHandler(config *Config, offlinePusher offlinepush.OfflinePusher, rdb redis.UniversalClient,
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client discovery.SvcDiscoveryRegistry) (*ConsumerHandler, error) {
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var consumerHandler ConsumerHandler
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var err error
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consumerHandler.pushConsumerGroup, err = kafka.NewMConsumerGroup(config.KafkaConfig.Build(), config.KafkaConfig.ToPushGroupID,
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[]string{config.KafkaConfig.ToPushTopic}, true)
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if err != nil {
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return nil, err
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}
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userRpcClient := rpcclient.NewUserRpcClient(client, config.Share.RpcRegisterName.User, config.Share.IMAdminUserID)
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consumerHandler.offlinePusher = offlinePusher
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consumerHandler.onlinePusher = NewOnlinePusher(client, config)
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consumerHandler.groupRpcClient = rpcclient.NewGroupRpcClient(client, config.Share.RpcRegisterName.Group)
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consumerHandler.groupLocalCache = rpccache.NewGroupLocalCache(consumerHandler.groupRpcClient, &config.LocalCacheConfig, rdb)
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consumerHandler.msgRpcClient = rpcclient.NewMessageRpcClient(client, config.Share.RpcRegisterName.Msg)
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consumerHandler.conversationRpcClient = rpcclient.NewConversationRpcClient(client, config.Share.RpcRegisterName.Conversation)
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consumerHandler.conversationLocalCache = rpccache.NewConversationLocalCache(consumerHandler.conversationRpcClient, &config.LocalCacheConfig, rdb)
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consumerHandler.webhookClient = webhook.NewWebhookClient(config.WebhooksConfig.URL)
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consumerHandler.config = config
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consumerHandler.onlineCache = rpccache.NewOnlineCache(userRpcClient, consumerHandler.groupLocalCache, rdb, nil)
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return &consumerHandler, nil
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}
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func (c *ConsumerHandler) handleMs2PsChat(ctx context.Context, msg []byte) {
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msgFromMQ := pbchat.PushMsgDataToMQ{}
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if err := proto.Unmarshal(msg, &msgFromMQ); err != nil {
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log.ZError(ctx, "push Unmarshal msg err", err, "msg", string(msg))
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return
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}
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pbData := &pbpush.PushMsgReq{
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MsgData: msgFromMQ.MsgData,
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ConversationID: msgFromMQ.ConversationID,
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}
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sec := msgFromMQ.MsgData.SendTime / 1000
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nowSec := timeutil.GetCurrentTimestampBySecond()
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if nowSec-sec > 10 {
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prommetrics.MsgLoneTimePushCounter.Inc()
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log.ZWarn(ctx, "it’s been a while since the message was sent", nil, "msg", pbData.String(), "sec", sec, "nowSec", nowSec, "nowSec-sec", nowSec-sec)
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}
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var err error
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switch msgFromMQ.MsgData.SessionType {
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case constant.ReadGroupChatType:
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err = c.Push2Group(ctx, pbData.MsgData.GroupID, pbData.MsgData)
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default:
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var pushUserIDList []string
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isSenderSync := datautil.GetSwitchFromOptions(pbData.MsgData.Options, constant.IsSenderSync)
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if !isSenderSync || pbData.MsgData.SendID == pbData.MsgData.RecvID {
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pushUserIDList = append(pushUserIDList, pbData.MsgData.RecvID)
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} else {
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pushUserIDList = append(pushUserIDList, pbData.MsgData.RecvID, pbData.MsgData.SendID)
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}
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err = c.Push2User(ctx, pushUserIDList, pbData.MsgData)
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}
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if err != nil {
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log.ZWarn(ctx, "push failed", err, "msg", pbData.String())
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}
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}
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func (*ConsumerHandler) Setup(sarama.ConsumerGroupSession) error { return nil }
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func (*ConsumerHandler) Cleanup(sarama.ConsumerGroupSession) error { return nil }
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func (c *ConsumerHandler) ConsumeClaim(sess sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {
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for msg := range claim.Messages() {
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ctx := c.pushConsumerGroup.GetContextFromMsg(msg)
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c.handleMs2PsChat(ctx, msg.Value)
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sess.MarkMessage(msg, "")
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}
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return nil
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}
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// Push2User Suitable for two types of conversations, one is SingleChatType and the other is NotificationChatType.
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func (c *ConsumerHandler) Push2User(ctx context.Context, userIDs []string, msg *sdkws.MsgData) (err error) {
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log.ZDebug(ctx, "Get msg from msg_transfer And push msg", "userIDs", userIDs, "msg", msg.String())
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if err := c.webhookBeforeOnlinePush(ctx, &c.config.WebhooksConfig.BeforeOnlinePush, userIDs, msg); err != nil {
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return err
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}
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wsResults, err := c.GetConnsAndOnlinePush(ctx, msg, userIDs)
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if err != nil {
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return err
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}
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log.ZDebug(ctx, "single and notification push result", "result", wsResults, "msg", msg, "push_to_userID", userIDs)
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if !c.shouldPushOffline(ctx, msg) {
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return nil
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}
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for _, v := range wsResults {
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//message sender do not need offline push
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if msg.SendID == v.UserID {
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continue
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}
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//receiver online push success
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if v.OnlinePush {
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return nil
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}
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}
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offlinePushUserID := []string{msg.RecvID}
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//receiver offline push
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if err = c.webhookBeforeOfflinePush(ctx, &c.config.WebhooksConfig.BeforeOfflinePush,
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offlinePushUserID, msg, nil); err != nil {
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return err
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}
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err = c.offlinePushMsg(ctx, msg, offlinePushUserID)
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if err != nil {
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log.ZWarn(ctx, "offlinePushMsg failed", err, "offlinePushUserID", offlinePushUserID, "msg", msg)
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return nil
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}
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return nil
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}
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func (c *ConsumerHandler) shouldPushOffline(_ context.Context, msg *sdkws.MsgData) bool {
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isOfflinePush := datautil.GetSwitchFromOptions(msg.Options, constant.IsOfflinePush)
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if !isOfflinePush {
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return false
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}
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if msg.ContentType == constant.SignalingNotification {
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return false
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}
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return true
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}
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func (c *ConsumerHandler) GetConnsAndOnlinePush(ctx context.Context, msg *sdkws.MsgData, pushToUserIDs []string) ([]*msggateway.SingleMsgToUserResults, error) {
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var (
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onlineUserIDs []string
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offlineUserIDs []string
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)
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for _, userID := range pushToUserIDs {
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online, err := c.onlineCache.GetUserOnline(ctx, userID)
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if err != nil {
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return nil, err
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}
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if online {
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onlineUserIDs = append(onlineUserIDs, userID)
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} else {
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offlineUserIDs = append(offlineUserIDs, userID)
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}
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}
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log.ZDebug(ctx, "GetConnsAndOnlinePush online cache", "sendID", msg.SendID, "recvID", msg.RecvID, "groupID", msg.GroupID, "sessionType", msg.SessionType, "clientMsgID", msg.ClientMsgID, "serverMsgID", msg.ServerMsgID, "offlineUserIDs", offlineUserIDs, "onlineUserIDs", onlineUserIDs)
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var result []*msggateway.SingleMsgToUserResults
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if len(onlineUserIDs) > 0 {
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var err error
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result, err = c.onlinePusher.GetConnsAndOnlinePush(ctx, msg, onlineUserIDs)
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if err != nil {
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return nil, err
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}
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}
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for _, userID := range offlineUserIDs {
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result = append(result, &msggateway.SingleMsgToUserResults{
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UserID: userID,
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})
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}
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return result, nil
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}
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func (c *ConsumerHandler) Push2Group(ctx context.Context, groupID string, msg *sdkws.MsgData) (err error) {
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log.ZDebug(ctx, "Get group msg from msg_transfer and push msg", "msg", msg.String(), "groupID", groupID)
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var pushToUserIDs []string
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if err = c.webhookBeforeGroupOnlinePush(ctx, &c.config.WebhooksConfig.BeforeGroupOnlinePush, groupID, msg,
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&pushToUserIDs); err != nil {
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return err
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}
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err = c.groupMessagesHandler(ctx, groupID, &pushToUserIDs, msg)
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if err != nil {
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return err
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}
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wsResults, err := c.GetConnsAndOnlinePush(ctx, msg, pushToUserIDs)
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if err != nil {
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return err
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}
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log.ZDebug(ctx, "group push result", "result", wsResults, "msg", msg)
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if !c.shouldPushOffline(ctx, msg) {
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return nil
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}
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needOfflinePushUserIDs := c.onlinePusher.GetOnlinePushFailedUserIDs(ctx, msg, wsResults, &pushToUserIDs)
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//filter some user, like don not disturb or don't need offline push etc.
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needOfflinePushUserIDs, err = c.filterGroupMessageOfflinePush(ctx, groupID, msg, needOfflinePushUserIDs)
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if err != nil {
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return err
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}
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// Use offline push messaging
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if len(needOfflinePushUserIDs) > 0 {
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var offlinePushUserIDs []string
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err = c.webhookBeforeOfflinePush(ctx, &c.config.WebhooksConfig.BeforeOfflinePush, needOfflinePushUserIDs, msg, &offlinePushUserIDs)
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if err != nil {
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return err
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}
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if len(offlinePushUserIDs) > 0 {
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needOfflinePushUserIDs = offlinePushUserIDs
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}
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err = c.offlinePushMsg(ctx, msg, needOfflinePushUserIDs)
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if err != nil {
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log.ZWarn(ctx, "offlinePushMsg failed", err, "groupID", groupID, "msg", msg)
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return nil
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}
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}
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return nil
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}
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func (c *ConsumerHandler) groupMessagesHandler(ctx context.Context, groupID string, pushToUserIDs *[]string, msg *sdkws.MsgData) (err error) {
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if len(*pushToUserIDs) == 0 {
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*pushToUserIDs, err = c.groupLocalCache.GetGroupMemberIDs(ctx, groupID)
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if err != nil {
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return err
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}
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switch msg.ContentType {
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case constant.MemberQuitNotification:
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var tips sdkws.MemberQuitTips
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if unmarshalNotificationElem(msg.Content, &tips) != nil {
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return err
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}
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if err = c.DeleteMemberAndSetConversationSeq(ctx, groupID, []string{tips.QuitUser.UserID}); err != nil {
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log.ZError(ctx, "MemberQuitNotification DeleteMemberAndSetConversationSeq", err, "groupID", groupID, "userID", tips.QuitUser.UserID)
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}
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*pushToUserIDs = append(*pushToUserIDs, tips.QuitUser.UserID)
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case constant.MemberKickedNotification:
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var tips sdkws.MemberKickedTips
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if unmarshalNotificationElem(msg.Content, &tips) != nil {
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return err
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}
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kickedUsers := datautil.Slice(tips.KickedUserList, func(e *sdkws.GroupMemberFullInfo) string { return e.UserID })
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if err = c.DeleteMemberAndSetConversationSeq(ctx, groupID, kickedUsers); err != nil {
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log.ZError(ctx, "MemberKickedNotification DeleteMemberAndSetConversationSeq", err, "groupID", groupID, "userIDs", kickedUsers)
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}
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*pushToUserIDs = append(*pushToUserIDs, kickedUsers...)
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case constant.GroupDismissedNotification:
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if msgprocessor.IsNotification(msgprocessor.GetConversationIDByMsg(msg)) {
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var tips sdkws.GroupDismissedTips
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if unmarshalNotificationElem(msg.Content, &tips) != nil {
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return err
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}
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log.ZInfo(ctx, "GroupDismissedNotificationInfo****", "groupID", groupID, "num", len(*pushToUserIDs), "list", pushToUserIDs)
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if len(c.config.Share.IMAdminUserID) > 0 {
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ctx = mcontext.WithOpUserIDContext(ctx, c.config.Share.IMAdminUserID[0])
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}
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defer func(groupID string) {
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if err = c.groupRpcClient.DismissGroup(ctx, groupID); err != nil {
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log.ZError(ctx, "DismissGroup Notification clear members", err, "groupID", groupID)
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}
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}(groupID)
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}
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}
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}
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return err
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}
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func (c *ConsumerHandler) offlinePushMsg(ctx context.Context, msg *sdkws.MsgData, offlinePushUserIDs []string) error {
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title, content, opts, err := c.getOfflinePushInfos(msg)
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if err != nil {
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return err
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}
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err = c.offlinePusher.Push(ctx, offlinePushUserIDs, title, content, opts)
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if err != nil {
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prommetrics.MsgOfflinePushFailedCounter.Inc()
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return err
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}
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return nil
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}
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func (c *ConsumerHandler) filterGroupMessageOfflinePush(ctx context.Context, groupID string, msg *sdkws.MsgData,
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offlinePushUserIDs []string) (userIDs []string, err error) {
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//todo local cache Obtain the difference set through local comparison.
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needOfflinePushUserIDs, err := c.conversationRpcClient.GetConversationOfflinePushUserIDs(
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ctx, conversationutil.GenGroupConversationID(groupID), offlinePushUserIDs)
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if err != nil {
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return nil, err
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}
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return needOfflinePushUserIDs, nil
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}
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func (c *ConsumerHandler) getOfflinePushInfos(msg *sdkws.MsgData) (title, content string, opts *options.Opts, err error) {
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type AtTextElem struct {
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Text string `json:"text,omitempty"`
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AtUserList []string `json:"atUserList,omitempty"`
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IsAtSelf bool `json:"isAtSelf"`
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}
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opts = &options.Opts{Signal: &options.Signal{}}
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if msg.OfflinePushInfo != nil {
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opts.IOSBadgeCount = msg.OfflinePushInfo.IOSBadgeCount
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opts.IOSPushSound = msg.OfflinePushInfo.IOSPushSound
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opts.Ex = msg.OfflinePushInfo.Ex
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}
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if msg.OfflinePushInfo != nil {
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title = msg.OfflinePushInfo.Title
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content = msg.OfflinePushInfo.Desc
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}
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if title == "" {
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switch msg.ContentType {
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case constant.Text:
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fallthrough
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case constant.Picture:
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fallthrough
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case constant.Voice:
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fallthrough
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case constant.Video:
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fallthrough
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case constant.File:
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title = constant.ContentType2PushContent[int64(msg.ContentType)]
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case constant.AtText:
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ac := AtTextElem{}
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_ = jsonutil.JsonStringToStruct(string(msg.Content), &ac)
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case constant.SignalingNotification:
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title = constant.ContentType2PushContent[constant.SignalMsg]
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default:
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title = constant.ContentType2PushContent[constant.Common]
|
|
|
}
|
|
|
}
|
|
|
if content == "" {
|
|
|
content = title
|
|
|
}
|
|
|
return
|
|
|
}
|
|
|
func (c *ConsumerHandler) DeleteMemberAndSetConversationSeq(ctx context.Context, groupID string, userIDs []string) error {
|
|
|
conversationID := msgprocessor.GetConversationIDBySessionType(constant.ReadGroupChatType, groupID)
|
|
|
maxSeq, err := c.msgRpcClient.GetConversationMaxSeq(ctx, conversationID)
|
|
|
if err != nil {
|
|
|
return err
|
|
|
}
|
|
|
return c.conversationRpcClient.SetConversationMaxSeq(ctx, userIDs, conversationID, maxSeq)
|
|
|
}
|
|
|
func unmarshalNotificationElem(bytes []byte, t any) error {
|
|
|
var notification sdkws.NotificationElem
|
|
|
if err := json.Unmarshal(bytes, ¬ification); err != nil {
|
|
|
return err
|
|
|
}
|
|
|
|
|
|
return json.Unmarshal([]byte(notification.Detail), t)
|
|
|
}
|
