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35 lines
1.6 KiB
Go
35 lines
1.6 KiB
Go
// Copyright © 2024 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 model
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// MsgBurnDeadline 单条消息的「阅后即焚截止时间」记录。
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// 在 MarkMsgsAsRead / MarkConversationAsRead（单聊场景）时按
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// (UserID, ConversationID, Seq) 维度写入。读取时间锁定后续不再覆盖。
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//
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// 当当前时间 > DeadlineMs 时，cron 会把该用户在该会话上的 min_seq
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// 推进到 max(已过期 seq) + 1，从而让这些消息从对该用户的拉取结果中消失。
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type MsgBurnDeadline struct {
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UserID string `bson:"user_id"`
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ConversationID string `bson:"conversation_id"`
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Seq int64 `bson:"seq"`
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// PeerID 单聊中的对端用户 ID。
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// cron 处理时可直接获取对端，无需额外查询 conversation 表。
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PeerID string `bson:"peer_id"`
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// DeadlineMs 截止时间戳（毫秒）；超过即可被 cron 收走推进 min_seq。
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DeadlineMs int64 `bson:"deadline_ms"`
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// CreateTime 写入时刻（毫秒）；用于排查/审计。
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CreateTime int64 `bson:"create_time"`
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}
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