favorite storage added

DarsayTechTest.xcodeproj/project.pbxproj

@@ -45,6 +45,8 @@
 		EE2293C32985859F0077B40D /* LocalizeHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE2293C22985859F0077B40D /* LocalizeHelper.swift */; };
 		EE2293C5298594AA0077B40D /* LoggerHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE2293C4298594AA0077B40D /* LoggerHelper.swift */; };
 		EE2293C7298595F20077B40D /* Data.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE2293C6298595F20077B40D /* Data.swift */; };
+		EE2293C929859F100077B40D /* StorageHelper.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE2293C829859F100077B40D /* StorageHelper.swift */; };
+		EE2293CB2985AA330077B40D /* StorageTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE2293CA2985AA330077B40D /* StorageTest.swift */; };
 		EEB43ADC29850E4000DF5CAD /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = EEB43ADB29850E4000DF5CAD /* AppDelegate.swift */; };
 		EEB43ADE29850E4000DF5CAD /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = EEB43ADD29850E4000DF5CAD /* SceneDelegate.swift */; };
 		EEB43AE529850E4100DF5CAD /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = EEB43AE429850E4100DF5CAD /* Assets.xcassets */; };
@@ -115,6 +117,8 @@
 		EE2293C22985859F0077B40D /* LocalizeHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LocalizeHelper.swift; sourceTree = "<group>"; };
 		EE2293C4298594AA0077B40D /* LoggerHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoggerHelper.swift; sourceTree = "<group>"; };
 		EE2293C6298595F20077B40D /* Data.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Data.swift; sourceTree = "<group>"; };
+		EE2293C829859F100077B40D /* StorageHelper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StorageHelper.swift; sourceTree = "<group>"; };
+		EE2293CA2985AA330077B40D /* StorageTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StorageTest.swift; sourceTree = "<group>"; };
 		EEB43AD829850E4000DF5CAD /* DarsayTechTest.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = DarsayTechTest.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		EEB43ADB29850E4000DF5CAD /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		EEB43ADD29850E4000DF5CAD /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = "<group>"; };
@@ -203,6 +207,7 @@
 				EE1A9EC929851F9800E4F9EF /* ImageLoader.swift */,
 				EE2293C22985859F0077B40D /* LocalizeHelper.swift */,
 				EE2293C4298594AA0077B40D /* LoggerHelper.swift */,
+				EE2293C829859F100077B40D /* StorageHelper.swift */,
 			);
 			path = Helper;
 			sourceTree = "<group>";
@@ -254,6 +259,7 @@
 				EE1A9EEC298529A300E4F9EF /* LoadableJSONTest.swift */,
 				EE1A9EEE29852A7300E4F9EF /* ExecuterTest.swift */,
 				EEB43AF229850E4100DF5CAD /* ViewControllerTest.swift */,
+				EE2293CA2985AA330077B40D /* StorageTest.swift */,
 			);
 			path = DarsayTechTestTests;
 			sourceTree = "<group>";
@@ -561,6 +567,7 @@
 				EEB43ADE29850E4000DF5CAD /* SceneDelegate.swift in Sources */,
 				EE1A9EB729851B3800E4F9EF /* ResultList.swift in Sources */,
 				EE1A9EB929851B4E00E4F9EF /* Movie.swift in Sources */,
+				EE2293C929859F100077B40D /* StorageHelper.swift in Sources */,
 				EE1A9EDA2985210700E4F9EF /* MovieTopRatedView.swift in Sources */,
 				EE1A9EB029851A6200E4F9EF /* MovieServiceEndPoint.swift in Sources */,
 				EE1A9ED8298520D600E4F9EF /* MovieListViewModel.swift in Sources */,
@@ -596,6 +603,7 @@
 				EE1A9EEF29852A7300E4F9EF /* ExecuterTest.swift in Sources */,
 				EE1A9EF129852AD200E4F9EF /* MockExecuter.swift in Sources */,
 				EEB43AF329850E4100DF5CAD /* ViewControllerTest.swift in Sources */,
+				EE2293CB2985AA330077B40D /* StorageTest.swift in Sources */,
 				EE1A9EBD29851CAB00E4F9EF /* MockService.swift in Sources */,
 				EE1A9EED298529A300E4F9EF /* LoadableJSONTest.swift in Sources */,
 			);

DarsayTechTest/Helper/StorageHelper.swift

@@ -0,0 +1,45 @@
+//
+//  StorageHelper.swift
+//  DarsayTechTest
+//
+//  Created by Farzaneh on 11/8/1401 AP.
+//
+
+import Foundation
+
+protocol StorageProtocol {
+
+    associatedtype StoredObject: Codable
+
+    func setObject(for key: String, object: StoredObject)
+    func getObject(by key: String) -> StoredObject?
+    func remove(key: String)
+}
+
+extension StorageProtocol {
+
+    func setObject(for key: String, object: StoredObject) {
+        let data = try? JSONEncoder().encode(object)
+        UserDefaults.standard.set(data, forKey: key)
+    }
+
+    func getObject(by key: String) -> StoredObject? {
+        guard let data = UserDefaults.standard.object(forKey: key) as? Data else {
+            return nil
+        }
+
+        let value = try? JSONDecoder().decode(StoredObject.self, from: data)
+        return value
+    }
+
+    func remove(key: String) {
+        UserDefaults.standard.removeObject(forKey: key)
+    }
+}
+
+final class FavoriteStorage: StorageProtocol {
+    typealias StoredObject = Movie
+
+    static let shared = FavoriteStorage()
+
+}

DarsayTechTest/Models/Networking Models/Movie.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 
-struct Movie: Codable {
+struct Movie: Codable, Hashable {
     let adult: Bool
     let backdropPath: String
     let genreIDS: [Int]?

DarsayTechTestTests/StorageTest.swift

@@ -0,0 +1,55 @@
+//
+//  StorageTest.swift
+//  DarsayTechTestTests
+//
+//  Created by Farzaneh on 11/8/1401 AP.
+//
+
+import Foundation
+import Combine
+import XCTest
+@testable import DarsayTechTest
+
+final class StorageTest: XCTestCase {
+
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testStorage() {
+
+        let mockService = MockService()
+        var cancellables = Set<AnyCancellable>()
+
+        mockService.getPopularMovies().sinkToResult { result in
+
+            switch result {
+            case .success(let list):
+                XCTAssertEqual(list.results.count, 1)
+
+                guard let firstMovie = list.results.first else {
+                    return XCTFail("load json failed")
+                }
+
+                FavoriteStorage.shared.setObject(for: "popular", object: firstMovie)
+
+                var retreivedObject = FavoriteStorage.shared.getObject(by: "popular")
+
+                XCTAssertEqual(firstMovie, retreivedObject)
+
+                FavoriteStorage.shared.remove(key: "popular")
+
+                retreivedObject = FavoriteStorage.shared.getObject(by: "popular")
+
+                XCTAssertNil(retreivedObject)
+
+            case .failure(let error):
+                XCTFail(error.localizedDescription)
+            }
+        }.store(in: &cancellables)
+    }
+}