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Merge pull request #3 in MA/ios-test-runner from MBS-2930_accept_URLs…
… to master Automatically merge pull request #3 in MA/ios-test-runner from MBS-2930_accept_URLs to master * commit '96d4bac24f2036f15c8e0f29750c6d1fcc19496c': MBS-2930: less accuracy in unit test MBS-2930: renaming MBS-2930: use semaphore MBS-2930: resolve fb tools paths through ResourceLocation MBS-2930: URLResource + tests MBS-2930: FileCache with tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| import Foundation | ||
|
|
||
| extension Data { | ||
| public func avito_sha256Hash() -> Data { | ||
| let transform = SecDigestTransformCreate(kSecDigestSHA2, 256, nil) | ||
| SecTransformSetAttribute(transform, kSecTransformInputAttributeName, self as CFTypeRef, nil) | ||
| return SecTransformExecute(transform, nil) as! Data | ||
| } | ||
| } | ||
|
|
||
| extension String { | ||
| public enum AvitoSHA256Error: Error { | ||
| case unableToHash | ||
| } | ||
|
|
||
| public func avito_sha256Hash(encoding: String.Encoding = .utf8) throws -> String { | ||
| guard let dataToHash = self.data(using: encoding) else { throw AvitoSHA256Error.unableToHash } | ||
| let hashedData = dataToHash.avito_sha256Hash() | ||
|
|
||
| return hashedData.reduce("") { (result, byte) -> String in | ||
| result + String(format:"%02x", UInt8(byte)) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| import Foundation | ||
|
|
||
| public extension FileCache { | ||
| private func itemNameForUrl(_ url: URL) -> String { | ||
| return url.absoluteString | ||
| } | ||
|
|
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| func contains(itemForURL url: URL) -> Bool { | ||
| return self.contains(itemWithName: itemNameForUrl(url)) | ||
| } | ||
|
|
||
| func urlForCachedContents(ofUrl url: URL) throws -> URL { | ||
| return try self.url(forItemWithName: itemNameForUrl(url)) | ||
| } | ||
|
|
||
| func store(contentsUrl: URL, ofUrl url: URL) throws { | ||
| try self.store(itemAtURL: contentsUrl, underName: itemNameForUrl(url)) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| import Extensions | ||
| import Foundation | ||
|
|
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| public final class FileCache { | ||
| private let cachesUrl: URL | ||
| private let nameKeyer: NameKeyer | ||
| private let fileManager = FileManager() | ||
|
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| public init(cachesUrl: URL, nameHasher: NameKeyer = SHA256NameKeyer()) { | ||
| self.cachesUrl = cachesUrl | ||
| self.nameKeyer = nameHasher | ||
| } | ||
|
|
||
| // MARK: - Public API | ||
|
|
||
| public func contains(itemWithName name: String) -> Bool { | ||
| do { | ||
| let fileUrl = try url(forItemWithName: name) | ||
| return fileManager.fileExists(atPath: fileUrl.path) | ||
| } catch { | ||
| return false | ||
| } | ||
| } | ||
|
|
||
| public func remove(itemWithName name: String) throws { | ||
| let container = try containerUrl(forItemWithName: name) | ||
| try fileManager.removeItem(at: container) | ||
| } | ||
|
|
||
| public func store(itemAtURL itemUrl: URL, underName name: String) throws { | ||
| if contains(itemWithName: name) { | ||
| try remove(itemWithName: name) | ||
| } | ||
|
|
||
| let container = try containerUrl(forItemWithName: name) | ||
| let filename = itemUrl.lastPathComponent | ||
| try fileManager.copyItem( | ||
| at: itemUrl, | ||
| to: container.appendingPathComponent(filename, isDirectory: false)) | ||
|
|
||
| let itemInfo = CachedItemInfo(fileName: filename, timestamp: Date().timeIntervalSince1970) | ||
| let data = try encoder.encode(itemInfo) | ||
| try data.write(to: try cachedItemInfoFileUrl(forItemWithName: name), options: .atomicWrite) | ||
| } | ||
|
|
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| public func url(forItemWithName name: String) throws -> URL { | ||
| let itemInfo = try cachedItemInfo(forItemWithName: name) | ||
| let container = try containerUrl(forItemWithName: name) | ||
| return container.appendingPathComponent(itemInfo.fileName, isDirectory: false) | ||
| } | ||
|
|
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| // MARK: - Internals | ||
|
|
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| private struct CachedItemInfo: Codable { | ||
| let fileName: String | ||
| let timestamp: TimeInterval | ||
| } | ||
|
|
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| private let encoder = JSONEncoder() | ||
| private let decoder = JSONDecoder() | ||
|
|
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| private func containerUrl(forItemWithName name: String) throws -> URL { | ||
| let key = try nameKeyer.key(forName: name) | ||
| let containerUrl = cachesUrl.appendingPathComponent(key, isDirectory: true) | ||
| if !fileManager.fileExists(atPath: containerUrl.path) { | ||
| try fileManager.createDirectory(at: containerUrl, withIntermediateDirectories: true) | ||
| } | ||
| return containerUrl | ||
| } | ||
|
|
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| private func cachedItemInfoFileUrl(forItemWithName name: String) throws -> URL { | ||
| let key = try nameKeyer.key(forName: name) | ||
| let container = try containerUrl(forItemWithName: name) | ||
| return container.appendingPathComponent(key, isDirectory: false).appendingPathExtension("json") | ||
| } | ||
|
|
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| private func cachedItemInfo(forItemWithName name: String) throws -> CachedItemInfo { | ||
| let infoFileUrl = try cachedItemInfoFileUrl(forItemWithName: name) | ||
| let data = try Data(contentsOf: infoFileUrl) | ||
| return try decoder.decode(CachedItemInfo.self, from: data) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| import Foundation | ||
|
|
||
| public protocol NameKeyer { | ||
| func key(forName name: String) throws -> String | ||
| } |
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