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// Copyright © 2026 OpenIM. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package database
import (
"context"
"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
)
// GroupPinnedMsg 群置顶消息的存储抽象
type GroupPinnedMsg interface {
// Pin 置顶一条消息：若 PinID 为空会自动生成；自动滚动保留最近 N 条
Pin ( ctx context . Context , groupID string , msg * model . GroupPinnedMessage ) ( [ ] * model . GroupPinnedMessage , error )
// Unpin 取消置顶；
Unpin ( ctx context . Context , groupID string , pinID string , seq int64 ) ( [ ] * model . GroupPinnedMessage , error )
// Get 获取群置顶消息列表（最新的在前）
Get ( ctx context . Context , groupID string ) ( [ ] * model . GroupPinnedMessage , error )
}
