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			83 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// 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 unrelation
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import (
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	"context"
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	"fmt"
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	"github.com/OpenIMSDK/tools/log"
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	"go.mongodb.org/mongo-driver/bson"
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	"go.mongodb.org/mongo-driver/bson/primitive"
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	table "github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/table/unrelation"
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)
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func (m *MsgMongoDriver) ConvertMsgsDocLen(ctx context.Context, conversationIDs []string) {
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	for _, conversationID := range conversationIDs {
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		regex := primitive.Regex{Pattern: fmt.Sprintf("^%s:", conversationID)}
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		cursor, err := m.MsgCollection.Find(ctx, bson.M{"doc_id": regex})
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		if err != nil {
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			log.ZError(ctx, "convertAll find msg doc failed", err, "conversationID", conversationID)
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			continue
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		}
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		var msgDocs []table.MsgDocModel
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		err = cursor.All(ctx, &msgDocs)
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		if err != nil {
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			log.ZError(ctx, "convertAll cursor all failed", err, "conversationID", conversationID)
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			continue
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		}
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		if len(msgDocs) < 1 {
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			continue
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		}
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		log.ZInfo(ctx, "msg doc convert", "conversationID", conversationID, "len(msgDocs)", len(msgDocs))
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		if len(msgDocs[0].Msg) == int(m.model.GetSingleGocMsgNum5000()) {
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			if _, err := m.MsgCollection.DeleteMany(ctx, bson.M{"doc_id": regex}); err != nil {
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				log.ZError(ctx, "convertAll delete many failed", err, "conversationID", conversationID)
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				continue
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			}
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			var newMsgDocs []interface{}
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			for _, msgDoc := range msgDocs {
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				if int64(len(msgDoc.Msg)) == m.model.GetSingleGocMsgNum() {
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					continue
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				}
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				var index int64
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				for index < int64(len(msgDoc.Msg)) {
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					msg := msgDoc.Msg[index]
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					if msg != nil && msg.Msg != nil {
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						msgDocModel := table.MsgDocModel{DocID: m.model.GetDocID(conversationID, msg.Msg.Seq)}
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						end := index + m.model.GetSingleGocMsgNum()
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						if int(end) >= len(msgDoc.Msg) {
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							msgDocModel.Msg = msgDoc.Msg[index:]
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						} else {
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							msgDocModel.Msg = msgDoc.Msg[index:end]
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						}
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						newMsgDocs = append(newMsgDocs, msgDocModel)
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						index = end
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					} else {
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						break
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					}
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				}
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			}
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			_, err = m.MsgCollection.InsertMany(ctx, newMsgDocs)
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			if err != nil {
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				log.ZError(ctx, "convertAll insert many failed", err, "conversationID", conversationID, "len(newMsgDocs)", len(newMsgDocs))
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			} else {
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				log.ZInfo(ctx, "msg doc convert", "conversationID", conversationID, "len(newMsgDocs)", len(newMsgDocs))
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			}
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		}
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	}
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}
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