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Refactoring

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This commit is contained in:
Ali
2021-03-24 03:18:22 +04:00
parent 2f9189d220
commit 9e4853d9a7
49 changed files with 0 additions and 66 deletions
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62
submodules/TelegramCore/Sources/SecretChats/SecretChatLayerNegotiation.swift Normal file
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import Foundation
import Postbox
import SwiftSignalKit
import SyncCore
private let topSupportedLayer: SecretChatSequenceBasedLayer = .layer101
func secretChatCommonSupportedLayer(remoteLayer: Int32) -> SecretChatSequenceBasedLayer {
switch remoteLayer {
case 46:
return .layer46
case 73:
return .layer73
case 101:
return .layer101
default:
return topSupportedLayer
}
}
func secretChatAddReportCurrentLayerSupportOperationAndUpdateRequestedLayer(transaction: Transaction, peerId: PeerId, state: SecretChatState) -> SecretChatState {
switch state.embeddedState {
case .basicLayer:
var updatedState = state
updatedState = addSecretChatOutgoingOperation(transaction: transaction, peerId: peerId, operation: .reportLayerSupport(layer: .layer8, actionGloballyUniqueId: arc4random64(), layerSupport: topSupportedLayer.rawValue), state: updatedState)
return updatedState
case let .sequenceBasedLayer(sequenceState):
var updatedState = state
updatedState = addSecretChatOutgoingOperation(transaction: transaction, peerId: peerId, operation: .reportLayerSupport(layer: sequenceState.layerNegotiationState.activeLayer.secretChatLayer, actionGloballyUniqueId: arc4random64(), layerSupport: topSupportedLayer.rawValue), state: updatedState)
updatedState = updatedState.withUpdatedEmbeddedState(.sequenceBasedLayer(sequenceState.withUpdatedLayerNegotiationState(sequenceState.layerNegotiationState.withUpdatedLocallyRequestedLayer(topSupportedLayer.rawValue))))
return updatedState
default:
return state
}
}
func secretChatCheckLayerNegotiationIfNeeded(transaction: Transaction, peerId: PeerId, state: SecretChatState) -> SecretChatState {
switch state.embeddedState {
case let .sequenceBasedLayer(sequenceState):
if sequenceState.layerNegotiationState.activeLayer != topSupportedLayer {
var updatedState = state
if let remotelyRequestedLayer = sequenceState.layerNegotiationState.remotelyRequestedLayer {
let updatedSequenceState = sequenceState.withUpdatedLayerNegotiationState(sequenceState.layerNegotiationState.withUpdatedActiveLayer(secretChatCommonSupportedLayer(remoteLayer: remotelyRequestedLayer)))
updatedState = updatedState.withUpdatedEmbeddedState(.sequenceBasedLayer(updatedSequenceState))
}
if (sequenceState.layerNegotiationState.locallyRequestedLayer ?? 0) < topSupportedLayer.rawValue {
updatedState = secretChatAddReportCurrentLayerSupportOperationAndUpdateRequestedLayer(transaction: transaction, peerId: peerId, state: updatedState)
}
return updatedState
} else {
return state
}
case .basicLayer:
return state
default:
return state
}
}