53 lines
2.3 KiB
Swift
53 lines
2.3 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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import Foundation
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import GRDB
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import SessionUtilitiesKit
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extension MessageReceiver {
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internal static func handleExpirationTimerUpdate(_ db: Database, message: ExpirationTimerUpdate) throws {
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// Get the target thread
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guard
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let targetId: String = MessageReceiver.threadInfo(db, message: message, openGroupId: nil)?.id,
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let sender: String = message.sender,
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let thread: SessionThread = try? SessionThread.fetchOne(db, id: targetId)
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else { return }
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// Update the configuration
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//
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// Note: Messages which had been sent during the previous configuration will still
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// use it's settings (so if you enable, send a message and then disable disappearing
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// message then the message you had sent will still disappear)
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let config: DisappearingMessagesConfiguration = try thread.disappearingMessagesConfiguration
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.fetchOne(db)
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.defaulting(to: DisappearingMessagesConfiguration.defaultWith(thread.id))
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.with(
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// If there is no duration then we should disable the expiration timer
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isEnabled: ((message.duration ?? 0) > 0),
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durationSeconds: (
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message.duration.map { TimeInterval($0) } ??
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DisappearingMessagesConfiguration.defaultDuration
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)
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)
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// Add an info message for the user
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_ = try Interaction(
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serverHash: nil, // Intentionally null so sync messages are seen as duplicates
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threadId: thread.id,
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authorId: sender,
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variant: .infoDisappearingMessagesUpdate,
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body: config.messageInfoString(
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with: (sender != getUserHexEncodedPublicKey(db) ?
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Profile.displayName(db, id: sender) :
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nil
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)
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),
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timestampMs: Int64(message.sentTimestamp ?? 0) // Default to `0` if not set
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).inserted(db)
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// Finally save the changes to the DisappearingMessagesConfiguration (If it's a duplicate
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// then the interaction unique constraint will prevent the code from getting here)
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try config.save(db)
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}
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}
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