64 lines
2.9 KiB
Swift
64 lines
2.9 KiB
Swift
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@objc(LKGroupChatPoller)
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public final class LokiGroupChatPoller : NSObject {
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private let group: LokiGroupChat
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private var pollForNewMessagesTimer: Timer? = nil
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private var pollForDeletedMessagesTimer: Timer? = nil
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private var hasStarted = false
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private let pollForNewMessagesInterval: TimeInterval = 4
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private let pollForDeletedMessagesInterval: TimeInterval = 32 * 60
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@objc(initForGroup:)
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public init(for group: LokiGroupChat) {
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self.group = group
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super.init()
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}
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@objc public func startIfNeeded() {
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if hasStarted { return }
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pollForNewMessagesTimer = Timer.scheduledTimer(withTimeInterval: pollForNewMessagesInterval, repeats: true) { [weak self] _ in self?.pollForNewMessages() }
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pollForNewMessages() // Perform initial update
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pollForDeletedMessagesTimer = Timer.scheduledTimer(withTimeInterval: pollForDeletedMessagesInterval, repeats: true) { [weak self] _ in self?.pollForDeletedMessages() }
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hasStarted = true
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}
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@objc public func stop() {
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pollForNewMessagesTimer?.invalidate()
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pollForDeletedMessagesTimer?.invalidate()
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hasStarted = false
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}
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private func pollForNewMessages() {
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let group = self.group
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let _ = LokiGroupChatAPI.getMessages(for: group.serverID, on: group.server).done { messages in
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messages.reversed().forEach { message in
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let senderHexEncodedPublicKey = message.hexEncodedPublicKey
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let endIndex = senderHexEncodedPublicKey.endIndex
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let cutoffIndex = senderHexEncodedPublicKey.index(endIndex, offsetBy: -8)
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let senderDisplayName = "\(message.displayName) (...\(senderHexEncodedPublicKey[cutoffIndex..<endIndex]))"
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let id = group.id.data(using: String.Encoding.utf8)!
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let x1 = SSKProtoGroupContext.builder(id: id, type: .deliver)
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x1.setName(group.displayName)
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let x2 = SSKProtoDataMessage.builder()
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x2.setTimestamp(message.timestamp)
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x2.setGroup(try! x1.build())
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x2.setBody(message.body)
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let x3 = SSKProtoContent.builder()
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x3.setDataMessage(try! x2.build())
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let x4 = SSKProtoEnvelope.builder(type: .ciphertext, timestamp: message.timestamp)
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x4.setSource(senderDisplayName)
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x4.setSourceDevice(OWSDevicePrimaryDeviceId)
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x4.setContent(try! x3.build().serializedData())
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OWSPrimaryStorage.shared().dbReadWriteConnection.readWrite { transaction in
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SSKEnvironment.shared.messageManager.throws_processEnvelope(try! x4.build(), plaintextData: try! x3.build().serializedData(), wasReceivedByUD: false, transaction: transaction)
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}
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}
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}
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}
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private func pollForDeletedMessages() {
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// TODO: Implement
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}
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}
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