mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
297 lines
16 KiB
Swift
297 lines
16 KiB
Swift
import Foundation
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import Postbox
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import SwiftSignalKit
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import SyncCore
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public enum PeerCacheUsageCategory: Int32 {
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case image = 0
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case video
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case audio
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case file
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}
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public struct CacheUsageStats {
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public let media: [PeerId: [PeerCacheUsageCategory: [MediaId: Int64]]]
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public let mediaResourceIds: [MediaId: [MediaResourceId]]
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public let peers: [PeerId: Peer]
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public let otherSize: Int64
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public let otherPaths: [String]
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public let cacheSize: Int64
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public let tempPaths: [String]
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public let tempSize: Int64
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public let immutableSize: Int64
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public init(media: [PeerId: [PeerCacheUsageCategory: [MediaId: Int64]]], mediaResourceIds: [MediaId: [MediaResourceId]], peers: [PeerId: Peer], otherSize: Int64, otherPaths: [String], cacheSize: Int64, tempPaths: [String], tempSize: Int64, immutableSize: Int64) {
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self.media = media
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self.mediaResourceIds = mediaResourceIds
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self.peers = peers
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self.otherSize = otherSize
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self.otherPaths = otherPaths
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self.cacheSize = cacheSize
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self.tempPaths = tempPaths
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self.tempSize = tempSize
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self.immutableSize = immutableSize
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}
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}
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public enum CacheUsageStatsResult {
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case progress(Float)
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case result(CacheUsageStats)
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}
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private enum CollectCacheUsageStatsError {
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case done(CacheUsageStats)
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case generic
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}
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private final class CacheUsageStatsState {
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var media: [PeerId: [PeerCacheUsageCategory: [MediaId: Int64]]] = [:]
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var mediaResourceIds: [MediaId: [MediaResourceId]] = [:]
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var allResourceIds = Set<WrappedMediaResourceId>()
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var lowerBound: MessageIndex?
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var upperBound: MessageIndex?
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}
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public func collectCacheUsageStats(account: Account, peerId: PeerId? = nil, additionalCachePaths: [String] = [], logFilesPath: String? = nil) -> Signal<CacheUsageStatsResult, NoError> {
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var initialState = CacheUsageStatsState()
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if let peerId = peerId {
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initialState.lowerBound = MessageIndex.lowerBound(peerId: peerId)
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initialState.upperBound = MessageIndex.upperBound(peerId: peerId)
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}
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let state = Atomic<CacheUsageStatsState>(value: initialState)
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let excludeResourceIds = account.postbox.transaction { transaction -> Set<WrappedMediaResourceId> in
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var result = Set<WrappedMediaResourceId>()
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transaction.enumeratePreferencesEntries({ entry in
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result.formUnion(entry.relatedResources.map(WrappedMediaResourceId.init))
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return true
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})
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return result
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}
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return excludeResourceIds
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|> mapToSignal { excludeResourceIds -> Signal<CacheUsageStatsResult, NoError> in
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let fetch = account.postbox.transaction { transaction -> ([PeerId : Set<MediaId>], [MediaId : Media], MessageIndex?) in
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return transaction.enumerateMedia(lowerBound: state.with { $0.lowerBound }, upperBound: state.with { $0.upperBound }, limit: 1000)
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}
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|> mapError { _ -> CollectCacheUsageStatsError in preconditionFailure() }
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let process: ([PeerId : Set<MediaId>], [MediaId : Media], MessageIndex?) -> Signal<CacheUsageStatsResult, CollectCacheUsageStatsError> = { mediaByPeer, mediaRefs, updatedLowerBound in
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var mediaIdToPeerId: [MediaId: PeerId] = [:]
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for (peerId, mediaIds) in mediaByPeer {
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for id in mediaIds {
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mediaIdToPeerId[id] = peerId
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}
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}
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var resourceIdToMediaId: [WrappedMediaResourceId: (MediaId, PeerCacheUsageCategory)] = [:]
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var mediaResourceIds: [MediaId: [MediaResourceId]] = [:]
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var resourceIds: [MediaResourceId] = []
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for (id, media) in mediaRefs {
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mediaResourceIds[id] = []
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var parsedMedia: [Media] = []
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switch media {
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case let image as TelegramMediaImage:
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parsedMedia.append(image)
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case let file as TelegramMediaFile:
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parsedMedia.append(file)
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case let webpage as TelegramMediaWebpage:
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if case let .Loaded(content) = webpage.content {
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if let image = content.image {
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parsedMedia.append(image)
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}
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if let file = content.file {
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parsedMedia.append(file)
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}
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}
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default:
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break
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}
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for media in parsedMedia {
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if let image = media as? TelegramMediaImage {
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for representation in image.representations {
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resourceIds.append(representation.resource.id)
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resourceIdToMediaId[WrappedMediaResourceId(representation.resource.id)] = (id, .image)
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mediaResourceIds[id]!.append(representation.resource.id)
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}
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} else if let file = media as? TelegramMediaFile {
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var category: PeerCacheUsageCategory = .file
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loop: for attribute in file.attributes {
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switch attribute {
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case .Video:
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category = .video
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break loop
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case .Audio:
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category = .audio
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break loop
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default:
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break
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}
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}
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for representation in file.previewRepresentations {
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resourceIds.append(representation.resource.id)
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resourceIdToMediaId[WrappedMediaResourceId(representation.resource.id)] = (id, category)
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mediaResourceIds[id]!.append(representation.resource.id)
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}
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resourceIds.append(file.resource.id)
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resourceIdToMediaId[WrappedMediaResourceId(file.resource.id)] = (id, category)
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mediaResourceIds[id]!.append(file.resource.id)
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}
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}
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}
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return account.postbox.mediaBox.collectResourceCacheUsage(resourceIds)
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|> mapError { _ -> CollectCacheUsageStatsError in preconditionFailure() }
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|> mapToSignal { result -> Signal<CacheUsageStatsResult, CollectCacheUsageStatsError> in
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state.with { state -> Void in
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state.lowerBound = updatedLowerBound
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for (wrappedId, size) in result {
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if let (id, category) = resourceIdToMediaId[wrappedId] {
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if let peerId = mediaIdToPeerId[id] {
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if state.media[peerId] == nil {
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state.media[peerId] = [:]
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}
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if state.media[peerId]![category] == nil {
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state.media[peerId]![category] = [:]
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}
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var currentSize: Int64 = 0
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if let current = state.media[peerId]![category]![id] {
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currentSize = current
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}
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state.media[peerId]![category]![id] = currentSize + size
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}
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}
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}
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for (id, ids) in mediaResourceIds {
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state.mediaResourceIds[id] = ids
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for resourceId in ids {
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state.allResourceIds.insert(WrappedMediaResourceId(resourceId))
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}
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}
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}
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if updatedLowerBound == nil {
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if peerId != nil {
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let (finalMedia, finalMediaResourceIds, allResourceIds) = state.with { state -> ([PeerId: [PeerCacheUsageCategory: [MediaId: Int64]]], [MediaId: [MediaResourceId]], Set<WrappedMediaResourceId>) in
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return (state.media, state.mediaResourceIds, state.allResourceIds)
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}
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return account.postbox.transaction { transaction -> CacheUsageStats in
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var peers: [PeerId: Peer] = [:]
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for peerId in finalMedia.keys {
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if let peer = transaction.getPeer(peerId) {
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peers[peer.id] = peer
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if let associatedPeerId = peer.associatedPeerId, let associatedPeer = transaction.getPeer(associatedPeerId) {
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peers[associatedPeer.id] = associatedPeer
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}
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}
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}
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return CacheUsageStats(media: finalMedia, mediaResourceIds: finalMediaResourceIds, peers: peers, otherSize: 0, otherPaths: [], cacheSize: 0, tempPaths: [], tempSize: 0, immutableSize: 0)
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} |> mapError { _ -> CollectCacheUsageStatsError in preconditionFailure() }
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|> mapToSignal { stats -> Signal<CacheUsageStatsResult, CollectCacheUsageStatsError> in
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return .fail(.done(stats))
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}
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}
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let (finalMedia, finalMediaResourceIds, allResourceIds) = state.with { state -> ([PeerId: [PeerCacheUsageCategory: [MediaId: Int64]]], [MediaId: [MediaResourceId]], Set<WrappedMediaResourceId>) in
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return (state.media, state.mediaResourceIds, state.allResourceIds)
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}
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return account.postbox.mediaBox.collectOtherResourceUsage(excludeIds: excludeResourceIds, combinedExcludeIds: allResourceIds.union(excludeResourceIds))
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|> mapError { _ in return CollectCacheUsageStatsError.generic }
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|> mapToSignal { otherSize, otherPaths, cacheSize in
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var tempPaths: [String] = []
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var tempSize: Int64 = 0
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#if os(iOS)
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if let enumerator = FileManager.default.enumerator(at: URL(fileURLWithPath: NSTemporaryDirectory()), includingPropertiesForKeys: [.isDirectoryKey, .fileAllocatedSizeKey, .isSymbolicLinkKey]) {
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for url in enumerator {
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if let url = url as? URL {
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if let isDirectoryValue = (try? url.resourceValues(forKeys: Set([.isDirectoryKey])))?.isDirectory, isDirectoryValue {
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tempPaths.append(url.path)
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} else if let fileSizeValue = (try? url.resourceValues(forKeys: Set([.fileAllocatedSizeKey])))?.fileAllocatedSize {
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tempPaths.append(url.path)
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if let isSymbolicLinkValue = (try? url.resourceValues(forKeys: Set([.isSymbolicLinkKey])))?.isSymbolicLink, isSymbolicLinkValue {
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} else {
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tempSize += Int64(fileSizeValue)
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}
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}
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}
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}
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}
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#endif
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var immutableSize: Int64 = 0
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if let files = try? FileManager.default.contentsOfDirectory(at: URL(fileURLWithPath: account.basePath + "/postbox/db"), includingPropertiesForKeys: [URLResourceKey.fileSizeKey], options: []) {
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for url in files {
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if let fileSize = (try? url.resourceValues(forKeys: Set([.fileSizeKey])))?.fileSize {
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immutableSize += Int64(fileSize)
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}
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}
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}
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if let logFilesPath = logFilesPath, let files = try? FileManager.default.contentsOfDirectory(at: URL(fileURLWithPath: logFilesPath), includingPropertiesForKeys: [URLResourceKey.fileSizeKey], options: []) {
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for url in files {
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if let fileSize = (try? url.resourceValues(forKeys: Set([.fileSizeKey])))?.fileSize {
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immutableSize += Int64(fileSize)
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}
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}
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}
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for additionalPath in additionalCachePaths {
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if let enumerator = FileManager.default.enumerator(at: URL(fileURLWithPath: additionalPath), includingPropertiesForKeys: [.isDirectoryKey, .fileAllocatedSizeKey, .isSymbolicLinkKey]) {
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for url in enumerator {
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if let url = url as? URL {
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if let isDirectoryValue = (try? url.resourceValues(forKeys: Set([.isDirectoryKey])))?.isDirectory, isDirectoryValue {
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} else if let fileSizeValue = (try? url.resourceValues(forKeys: Set([.fileAllocatedSizeKey])))?.fileAllocatedSize {
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tempPaths.append(url.path)
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if let isSymbolicLinkValue = (try? url.resourceValues(forKeys: Set([.isSymbolicLinkKey])))?.isSymbolicLink, isSymbolicLinkValue {
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} else {
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tempSize += Int64(fileSizeValue)
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}
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}
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}
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}
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}
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}
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return account.postbox.transaction { transaction -> CacheUsageStats in
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var peers: [PeerId: Peer] = [:]
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for peerId in finalMedia.keys {
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if let peer = transaction.getPeer(peerId) {
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peers[peer.id] = peer
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if let associatedPeerId = peer.associatedPeerId, let associatedPeer = transaction.getPeer(associatedPeerId) {
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peers[associatedPeer.id] = associatedPeer
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}
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}
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}
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return CacheUsageStats(media: finalMedia, mediaResourceIds: finalMediaResourceIds, peers: peers, otherSize: otherSize, otherPaths: otherPaths, cacheSize: cacheSize, tempPaths: tempPaths, tempSize: tempSize, immutableSize: immutableSize)
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} |> mapError { _ -> CollectCacheUsageStatsError in preconditionFailure() }
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|> mapToSignal { stats -> Signal<CacheUsageStatsResult, CollectCacheUsageStatsError> in
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return .fail(.done(stats))
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}
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}
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} else {
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return .complete()
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}
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}
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}
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let signal = (fetch |> mapToSignal { mediaByPeer, mediaRefs, updatedLowerBound -> Signal<CacheUsageStatsResult, CollectCacheUsageStatsError> in
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return process(mediaByPeer, mediaRefs, updatedLowerBound)
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}) |> restart
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return signal |> `catch` { error in
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switch error {
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case let .done(result):
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return .single(.result(result))
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case .generic:
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return .complete()
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}
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}
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}
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}
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public func clearCachedMediaResources(account: Account, mediaResourceIds: Set<WrappedMediaResourceId>) -> Signal<Void, NoError> {
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return account.postbox.mediaBox.removeCachedResources(mediaResourceIds)
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}
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