42 lines
1.7 KiB
Swift
42 lines
1.7 KiB
Swift
// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.
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@objc(SNUnreadMentionMigration)
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public class UnreadMentionMigration : OWSDatabaseMigration {
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@objc
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class func migrationId() -> String {
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return "003" // leave "002" for message request migration
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}
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override public func runUp(completion: @escaping OWSDatabaseMigrationCompletion) {
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self.doMigrationAsync(completion: completion)
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}
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private func doMigrationAsync(completion: @escaping OWSDatabaseMigrationCompletion) {
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var threads: [TSThread] = []
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Storage.read { transaction in
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TSThread.enumerateCollectionObjects(with: transaction) { object, _ in
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guard let thread = object as? TSThread, let threadID = thread.uniqueId else { return }
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let unreadMessages = transaction.ext(TSUnreadDatabaseViewExtensionName) as! YapDatabaseViewTransaction
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unreadMessages.enumerateKeysAndObjects(inGroup: threadID) { collection, key, object, index, stop in
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guard let unreadMessage = object as? TSIncomingMessage else { return }
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if unreadMessage.wasRead { return }
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if unreadMessage.isUserMentioned {
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thread.hasUnreadMentionMessage = true
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stop.pointee = true
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}
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}
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threads.append(thread)
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}
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}
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Storage.write(with: { transaction in
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threads.forEach { thread in
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thread.save(with: transaction)
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}
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self.save(with: transaction) // Intentionally capture self
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}, completion: {
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completion()
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})
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}
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}
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