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33 lines
1.2 KiB
Swift
33 lines
1.2 KiB
Swift
5 years ago
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@objc(LKTTLUtilities)
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public final class TTLUtilities : NSObject {
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/// If a message type specifies an invalid TTL, this will be used.
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public static let fallbackMessageTTL: UInt64 = 2 * kDayInMs
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@objc(LKMessageType)
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public enum MessageType : Int {
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// Unimportant control messages
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case call, typingIndicator
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// Somewhat important control messages
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case linkDevice
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// Important control messages
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case closedGroupUpdate, disappearingMessagesConfiguration, ephemeral, profileKey, receipt, sessionRequest, sync, unlinkDevice
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// Visible messages
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case regular
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}
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@objc public static func getTTL(for messageType: MessageType) -> UInt64 {
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switch messageType {
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// Unimportant control messages
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case .call, .typingIndicator: return 1 * kMinuteInMs
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// Somewhat important control messages
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case .linkDevice: return 1 * kHourInMs
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// Important control messages
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case .closedGroupUpdate, .disappearingMessagesConfiguration, .ephemeral, .profileKey, .receipt, .sessionRequest, .sync, .unlinkDevice: return 2 * kDayInMs - 1 * kHourInMs
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// Visible messages
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case .regular: return 2 * kDayInMs
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}
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}
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}
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