element-ios/Riot/Categories/MXRoomSummary.swift

49 lines
2.0 KiB
Swift

//
// Copyright 2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import Foundation
extension Notification.Name {
static let roomSummaryDidRemoveExpiredDataFromStore = Notification.Name(MXRoomSummary.roomSummaryDidRemoveExpiredDataFromStore)
}
extension MXRoomSummary {
@objc static let roomSummaryDidRemoveExpiredDataFromStore = "roomSummaryDidRemoveExpiredDataFromStore"
@objc static let roomRetentionStateEventType = "m.room.retention"
@objc static let roomRetentionEventMaxLifetimeKey = "max_lifetime"
@objc static let roomRetentionMaxLifetime = "roomRetentionMaxLifetime"
/// Get the room messages retention period in days
private func roomRetentionPeriodInMillis() -> UInt64 {
if let period = self.others[MXRoomSummary.roomRetentionMaxLifetime] as? UInt64 {
return period
} else {
return Tools.durationInMs(fromDays: 365)
}
}
/// Get the timestamp below which the received messages must be removed from the store, and the display
@objc func minimumTimestamp() -> UInt64 {
let periodInMs = self.roomRetentionPeriodInMillis()
let currentTs = (UInt64)(Date().timeIntervalSince1970 * 1000)
return (currentTs - periodInMs)
}
/// Remove the expired messages from the store.
/// If some data are removed, this operation posts the notification: roomSummaryDidRemoveExpiredDataFromStore.
/// This operation does not commit the potential change. We let the caller trigger the commit when this is the more suitable.
///
/// Provide a boolean telling whether some data have been removed.
@objc func removeExpiredRoomContentsFromStore() -> Bool {
let ret = self.mxSession.store.removeAllMessagesSent(before: self.minimumTimestamp(), inRoom: roomId)
if ret {
NotificationCenter.default.post(name: .roomSummaryDidRemoveExpiredDataFromStore, object: self)
}
return ret
}
}