feat: migrating storages

# Conflicts:
#	CHANGELOG.md
#	TIAppleMapUtils/TIAppleMapUtils.podspec
#	TIAuth/TIAuth.podspec
#	TIDeeplink/TIDeeplink.podspec
#	TIDeveloperUtils/TIDeveloperUtils.podspec
#	TIEcommerce/TIEcommerce.podspec
#	TIFoundationUtils/TIFoundationUtils.podspec
#	TIGoogleMapUtils/TIGoogleMapUtils.podspec
#	TIKeychainUtils/TIKeychainUtils.app/Contents/MacOS/TIKeychainUtils.playground/Pages/SingleValueStorage.xcplaygroundpage/Contents.swift
#	TIKeychainUtils/TIKeychainUtils.podspec
#	TILogging/TILogging.podspec
#	TIMapUtils/TIMapUtils.podspec
#	TIMoyaNetworking/TIMoyaNetworking.podspec
#	TINetworking/TINetworking.podspec
#	TINetworkingCache/TINetworkingCache.podspec
#	TIPagination/TIPagination.podspec
#	TISwiftUICore/TISwiftUICore.podspec
#	TISwiftUtils/TISwiftUtils.podspec
#	TITableKitUtils/TITableKitUtils.podspec
#	TITextProcessing/TITextProcessing.podspec
#	TIUIElements/TIUIElements.podspec
#	TIUIKitCore/TIUIKitCore.podspec
#	TIWebView/TIWebView.podspec
#	TIYandexMapUtils/TIYandexMapUtils.podspec
#	docs/tikeychainutils/singlevaluestorage.md

@@ -0,0 +38,4 @@
+                return value
+            }
+
+            if case let .success(value) = container.sourceStorage.codableObject(forKey: key, decoder: decoder) {

@@ -0,0 +74,4 @@
+                return value
+            }
+
+            if case let .success(value) = container.sourceStorage.codableObject(forKey: key, decoder: decoder) {

@@ -0,0 +42,4 @@
+
+    open func hasStoredValue() -> Bool {
+        if targetStorage.hasStoredValue() {
+            let _ = sourceStorage.deleteValue()

@@ -0,0 +51,4 @@
+    }
+
+    open func store(value: ValueType) -> Result<Void, StorageError> {
+        targetStorage.store(value: value)

@@ -0,0 +62,4 @@
+        let result = sourceStorage.getValue()
+
+        if case let .success(value) = result, case .success = store(value: value) {
+            let _ = sourceStorage.deleteValue()

@@ -0,0 +69,4 @@
+    }
+
+    open func deleteValue() -> Result<Void, StorageError> {
+        if targetStorage.hasStoredValue() {

@@ -0,0 +75,4 @@
+            return targetStorage.deleteValue()
+        }
+
+        return sourceStorage.deleteValue()

@@ -0,0 +24,4 @@
+import KeychainAccess
+import TISwiftUtils
+
+public typealias KeychainMigratingCodableBackingStore<T: Codable> =  MigratingBackingStore<Keychain,

@@ -0,0 +23,4 @@
+import TIFoundationUtils
+import KeychainAccess
+
+open class BaseMigratingSingleValueKeychainStorage<ValueType>: BaseMigratingSingleValueStorage<ValueType,

@@ -0,0 +29,4 @@
+    open func codableObject<Value: Decodable>(forKey key: StorageKey<Value>,
+                                              decoder: CodableKeyValueDecoder) -> Result<Value, StorageError> {
+
+        if case let .success(value) = targetStorage.codableObject(forKey: key, decoder: decoder) {

@@ -0,0 +44,4 @@
+                                    forKey key: StorageKey<Value>,
+                                    encoder: CodableKeyValueEncoder) -> Result<Void, StorageError> {
+
+        targetStorage.set(encodableObject: encodableObject, forKey: key, encoder: encoder)

@@ -0,0 +48,4 @@
+    }
+
+    open func removeCodableValue<Value: Codable>(forKey key: StorageKey<Value>) -> Result<Void, StorageError> {
+        if case .success = sourceStorage.hasCodableValue(forKey: key) {

@@ -0,0 +60,4 @@
+    }
+
+    open func hasCodableValue<Value: Decodable>(forKey key: StorageKey<Value>) -> Result<Bool, StorageError> {
+        if case .success = targetStorage.hasCodableValue(forKey: key) {

@@ -0,0 +44,4 @@
+                return codableResult
+            }
+
+            return container.getStringValue(forKey: storageKey)

@@ -33,6 +33,8 @@ open class BaseSingleValueStorage<ValueType, StorageType>: SingleValueStorage {
     public let getValueClosure: GetValueClosure
     public let storeValueClosure: StoreValueClosure
 
+    public var migrationStorage: StorageType?

@@ -0,0 +59,4 @@
+            }
+            .flatMapError { _ in
+                sourceStorage.getValue()
+                    .flatMap { value in

@@ -0,0 +65,4 @@
+
+                            return value
+                        }
+                        .mapError { .unableToExtractData(underlyingError: $0) }

@@ -0,0 +45,4 @@
+                                    forKey key: StorageKey<Value>,
+                                    encoder: CodableKeyValueEncoder) -> Result<Void, StorageError> {
+
+        removeSourceValue(forKey: key)

@@ -0,0 +53,4 @@
+    open func removeCodableValue<Value: Codable>(forKey key: StorageKey<Value>) -> Result<Void, StorageError> {
+        targetStorage.removeCodableValue(forKey: key)
+            .flatMap {
+                if let value = try? sourceStorage.hasCodableValue(forKey: key).get(), value {

@@ -0,0 +70,4 @@
+
+    // MARK: - Open methods
+
+    open func removeSourceValue<Value>(forKey key: StorageKey<Value>) {

@@ -0,0 +25,4 @@
+
+public final class KeychainMigratingStorageContainer: BaseCodableMigratingStorageContainer<Keychain, Keychain> {
+
+    public override func removeSourceValue<Value>(forKey key: StorageKey<Value>) {

@@ -18,3 +13,1 @@
-    s.source_files = s.name + '/' + sources
-    s.exclude_files = s.name + '/*.app'
-  end
+  s.source_files = s.name + '/Sources/**/*'

@@ -0,0 +41,4 @@
+        let oldProfile = Profile(name: "some", age: 0)
+        let sourceStorage = MockMigratingStorageContainer.defaultContainer.sourceStorage
+
+        let _ = sourceStorage.set(encodableObject: oldProfile, forKey: .profile, encoder: encoder)

@@ -0,0 +46,4 @@
+        XCTAssertEqual(profile, oldProfile)
+    }
+
+    func testGetValueFromTarget() throws {

@@ -0,0 +53,4 @@
+        let _ = targetStorage.set(encodableObject: newProfile, forKey: .profile, encoder: encoder)
+
+        XCTAssertEqual(profile, newProfile)
+        XCTAssertEqual(try? targetStorage.codableObject(forKey: .profile, decoder: decoder).get(), newProfile)

@@ -0,0 +63,4 @@
+        profile = newProfile
+
+        XCTAssertEqual(profile, newProfile)
+        XCTAssertEqual(try? targetStorage.codableObject(forKey: .profile, decoder: decoder).get(), newProfile)

@@ -0,0 +50,4 @@
+    }
+
+    open func store(value: ValueType) -> Result<Void, StorageError> {
+        let _ = sourceStorage.deleteValue()

@@ -0,0 +63,4 @@
+    open func getValue() -> Result<ValueType, StorageError> {
+        targetStorage.getValue()
+            .flatMap {
+                let _ = sourceStorage.deleteValue()

@@ -0,0 +75,4 @@
+            .flatMapError { _ in
+                sourceStorage.getValue()
+                    .flatMap { value in
+                        Result {

@@ -0,0 +97,4 @@
+            .flatMapError {
+                errorLogger.log(error: $0, file: #file, line: #line)
+
+                return sourceStorage.deleteValue()

@@ -0,0 +28,4 @@
+                                                                CodableKeyValueStorage
+where SourceStorage: CodableKeyValueStorage, TargetStorage: CodableKeyValueStorage {
+
+    public enum CodableTypeError: Error {

@@ -0,0 +48,4 @@
+
+        targetStorage.codableObject(forKey: key, decoder: decoder)
+            .flatMap {
+                let _ = removeSourceValue(forKey: key)

@@ -0,0 +58,4 @@
+                return .success($0)
+            }
+            .flatMapError { _ in
+                sourceStorage.codableObject(forKey: key, decoder: decoder)

@@ -0,0 +66,4 @@
+                                    forKey key: StorageKey<Value>,
+                                    encoder: CodableKeyValueEncoder) -> Result<Void, StorageError> {
+
+        let _ = removeSourceValue(forKey: key)

@@ -0,0 +83,4 @@
+                    .flatMapError { _ in .success(value) }
+            }
+            .flatMapError {
+                errorLogger.log(error: $0, file: #file, line: #line)

@@ -0,0 +34,4 @@
+    override func setUp() {
+        profile = nil
+        let _ = MockMigratingStorageContainer.defaultContainer.sourceStorage.removeValue(forKey: .profile)
+        let _ = MockMigratingStorageContainer.defaultContainer.targetStorage.removeValue(forKey: .profile)

@@ -0,0 +1,26 @@
+//
+//  Copyright (c) 2020 Touch Instinct

@@ -0,0 +32,4 @@
+    where StoreContent == Value? {
+
+        let getClosure: GetClosure = { container in
+            // If source storage has value and target doesn't we can't migrate it from storate container

@@ -0,0 +35,4 @@
+            // If source storage has value and target doesn't we can't migrate it from storate container
+            try? container.codableObject(forKey: key, decoder: decoder)
+                .flatMap {
+                    let _ = container.set(encodableObject: $0, forKey: key, encoder: encoder)

@@ -0,0 +57,4 @@
+    where StoreContent == Value? {
+
+        let getClosure: GetClosure = { container in
+            // If source storage has value and target doesn't we can't migrate it from storate container

@@ -0,0 +60,4 @@
+            // If source storage has value and target doesn't we can't migrate it from storate container
+            try? container.codableObject(forKey: key, decoder: decoder)
+                .flatMap {
+                    let _ = container.set(encodableObject: $0, forKey: key, encoder: encoder)

@@ -0,0 +22,4 @@
+
+import TILogging
+
+open class BaseMigratingSingleValueStorage<SourceStorage: SingleValueStorage,

@@ -0,0 +89,4 @@
+                return sourceStorage.deleteValue()
+            }
+            .flatMap {
+                if sourceStorage.hasStoredValue() {

@@ -0,0 +71,4 @@
+    }
+
+    open func removeCodableValue<Value: Codable>(forKey key: StorageKey<Value>) -> Result<Void, StorageError> {
+        targetStorage.removeCodableValue(forKey: key)

@@ -0,0 +21,4 @@
+//
+
+import XCTest
+@testable import TIFoundationUtils

@@ -0,0 +43,4 @@
+        let oldProfile = Profile(name: "old", age: 0)
+        let newProfile = Profile(name: "new", age: 0)
+        let sourceStorage = MockMigratingStorageContainer.defaultContainer.sourceStorage
+        let targetStorage = MockMigratingStorageContainer.defaultContainer.targetStorage

@@ -0,0 +74,4 @@
+        targetStorage.removeCodableValue(forKey: key)
+            .flatMap { value in
+                sourceStorage.removeCodableValue(forKey: key)
+                    .flatMapError { _ in .success(value) }

@@ -0,0 +81,4 @@
+                    errorLogger.log(error: $0, file: #file, line: #line)
+                }
+
+                return removeSourceValue(forKey: key)

@@ -0,0 +88,4 @@
+    open func hasCodableValue<Value: Decodable>(forKey key: StorageKey<Value>) -> Result<Bool, StorageError> {
+        targetStorage.hasCodableValue(forKey: key)
+            .flatMapError { _ in
+                sourceStorage.hasCodableValue(forKey: key)

@@ -0,0 +102,4 @@
+
+            return .failure(error)
+
+        case let (.failure, .failure(error)):

@@ -0,0 +36,4 @@
+
+    public init(sourceStorage: SourceStorage,
+                targetStorage: TargetStorage,
+                errorLogger: ErrorLogger = TIFoundationLogger(category: "BaseMigratingSingleValueStorage")) {

@@ -0,0 +50,4 @@
+    }
+
+    public func store(value: ValueType) -> Result<Void, StorageError> {
+        if case let .failure(error) = sourceStorage.deleteValue() {

@@ -0,0 +69,4 @@
+            .flatMapError { _ in
+                sourceStorage.getValue()
+                    .flatMap { value in
+                        Result {

@@ -0,0 +114,4 @@
+
+public extension SingleValueStorage where ErrorType == StorageError {
+
+    func migrating<S: SingleValueStorage>(to targetStorage: S) -> MigratingSingleValueStorage<Self, S>