Feature/image feed/cache feed use case

EssentialFeed/EssentialFeed.xcodeproj/project.pbxproj

@@ -13,6 +13,11 @@
 		231DA90C2D28B3AE00A50156 /* RemoteFeedLoader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 231DA90B2D28B3AB00A50156 /* RemoteFeedLoader.swift */; };
 		2370B4092EEC68FE00737DAC /* HTTPClient.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2370B4082EEC68FE00737DAC /* HTTPClient.swift */; };
 		2370B40B2EEC6BE200737DAC /* FeedItemsMapper.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2370B40A2EEC6BE200737DAC /* FeedItemsMapper.swift */; };
+		2377131E2F199AAF00D1122A /* FeedViewControllerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2377131D2F199AAF00D1122A /* FeedViewControllerTests.swift */; };
+		237713262F19D19000D1122A /* EssentialFeed.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 080EDEF121B6DA7E00813479 /* EssentialFeed.framework */; platformFilter = ios; };
+		237713272F19D19000D1122A /* EssentialFeed.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 080EDEF121B6DA7E00813479 /* EssentialFeed.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		2377132B2F19D27200D1122A /* XCTestCase+MemoryLeakTracking.swift in Sources */ = {isa = PBXBuildFile; fileRef = 23FBD0BA2EF0F595005E9351 /* XCTestCase+MemoryLeakTracking.swift */; };
+		2377132D2F1EC9D800D1122A /* FeedViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2377132C2F1EC94D00D1122A /* FeedViewController.swift */; };
 		23883FA52EFC50C100C80E74 /* LocalFeedLoader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 23883FA42EFC50C100C80E74 /* LocalFeedLoader.swift */; };
 		23883FA72EFC51FC00C80E74 /* FeedStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 23883FA62EFC51F600C80E74 /* FeedStore.swift */; };
 		23883FA92EFF12CE00C80E74 /* RemoteFeedItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 23883FA82EFF12CE00C80E74 /* RemoteFeedItem.swift */; };
@@ -59,6 +64,13 @@
 			remoteGlobalIDString = 080EDEF021B6DA7E00813479;
 			remoteInfo = EssentialFeed;
 		};
+		237713282F19D19000D1122A /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 080EDEE821B6DA7E00813479 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 080EDEF021B6DA7E00813479;
+			remoteInfo = EssentialFeed;
+		};
 		23F5D6E42F182DE900AC7D9F /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 080EDEE821B6DA7E00813479 /* Project object */;
@@ -82,6 +94,20 @@
 		};
 /* End PBXContainerItemProxy section */
 
+/* Begin PBXCopyFilesBuildPhase section */
+		2377132A2F19D19000D1122A /* Embed Frameworks */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = "";
+			dstSubfolderSpec = 10;
+			files = (
+				237713272F19D19000D1122A /* EssentialFeed.framework in Embed Frameworks */,
+			);
+			name = "Embed Frameworks";
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
 /* Begin PBXFileReference section */
 		080EDEF121B6DA7E00813479 /* EssentialFeed.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = EssentialFeed.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		080EDEF521B6DA7E00813479 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -92,6 +118,8 @@
 		231DA90B2D28B3AB00A50156 /* RemoteFeedLoader.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RemoteFeedLoader.swift; sourceTree = "<group>"; };
 		2370B4082EEC68FE00737DAC /* HTTPClient.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HTTPClient.swift; sourceTree = "<group>"; };
 		2370B40A2EEC6BE200737DAC /* FeedItemsMapper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedItemsMapper.swift; sourceTree = "<group>"; };
+		2377131D2F199AAF00D1122A /* FeedViewControllerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedViewControllerTests.swift; sourceTree = "<group>"; };
+		2377132C2F1EC94D00D1122A /* FeedViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedViewController.swift; sourceTree = "<group>"; };
 		23883FA42EFC50C100C80E74 /* LocalFeedLoader.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LocalFeedLoader.swift; sourceTree = "<group>"; };
 		23883FA62EFC51F600C80E74 /* FeedStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FeedStore.swift; sourceTree = "<group>"; };
 		23883FA82EFF12CE00C80E74 /* RemoteFeedItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RemoteFeedItem.swift; sourceTree = "<group>"; };
@@ -151,6 +179,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				237713262F19D19000D1122A /* EssentialFeed.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -190,6 +219,7 @@
 				23FDEB372F089193004D2CD0 /* EssentialFeedCacheIntegrationTests */,
 				23F5D6F02F182E5600AC7D9F /* EssentialFeediOS */,
 				23F5D6EF2F182E5600AC7D9F /* EssentialFeediOSTests */,
+				237713252F19D19000D1122A /* Frameworks */,
 				080EDEF221B6DA7E00813479 /* Products */,
 			);
 			sourceTree = "<group>";
@@ -251,6 +281,13 @@
 			path = "Feed API";
 			sourceTree = "<group>";
 		};
+		237713252F19D19000D1122A /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
 		23883FA32EFC50A400C80E74 /* Feed Cache */ = {
 			isa = PBXGroup;
 			children = (
@@ -267,13 +304,15 @@
 			isa = PBXGroup;
 			children = (
 				23F5D6F12F182FC900AC7D9F /* EssentialFeediOS.xctestplan */,
+				2377131D2F199AAF00D1122A /* FeedViewControllerTests.swift */,
 			);
 			path = EssentialFeediOSTests;
 			sourceTree = "<group>";
 		};
 		23F5D6F02F182E5600AC7D9F /* EssentialFeediOS */ = {
 			isa = PBXGroup;
 			children = (
+				2377132C2F1EC94D00D1122A /* FeedViewController.swift */,
 				23F5D6FA2F18345C00AC7D9F /* CI_iOS.xctestplan */,
 			);
 			path = EssentialFeediOS;
@@ -433,10 +472,12 @@
 				23F5D6D62F182DE800AC7D9F /* Sources */,
 				23F5D6D72F182DE800AC7D9F /* Frameworks */,
 				23F5D6D82F182DE800AC7D9F /* Resources */,
+				2377132A2F19D19000D1122A /* Embed Frameworks */,
 			);
 			buildRules = (
 			);
 			dependencies = (
+				237713292F19D19000D1122A /* PBXTargetDependency */,
 			);
 			name = EssentialFeediOS;
 			packageProductDependencies = (
@@ -529,6 +570,7 @@
 					};
 					23F5D6E12F182DE900AC7D9F = {
 						CreatedOnToolsVersion = 26.0.1;
+						LastSwiftMigration = 2600;
 					};
 					23FBD0C52EF1BDE2005E9351 = {
 						CreatedOnToolsVersion = 26.0.1;
@@ -656,13 +698,16 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				2377132D2F1EC9D800D1122A /* FeedViewController.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 		23F5D6DE2F182DE900AC7D9F /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				2377131E2F199AAF00D1122A /* FeedViewControllerTests.swift in Sources */,
+				2377132B2F19D27200D1122A /* XCTestCase+MemoryLeakTracking.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -695,6 +740,12 @@
 			target = 080EDEF021B6DA7E00813479 /* EssentialFeed */;
 			targetProxy = 080EDEFC21B6DA7E00813479 /* PBXContainerItemProxy */;
 		};
+		237713292F19D19000D1122A /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			platformFilter = ios;
+			target = 080EDEF021B6DA7E00813479 /* EssentialFeed */;
+			targetProxy = 237713282F19D19000D1122A /* PBXContainerItemProxy */;
+		};
 		23F5D6E52F182DE900AC7D9F /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			target = 23F5D6D92F182DE800AC7D9F /* EssentialFeediOS */;
@@ -870,6 +921,7 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++14";
 				PRODUCT_BUNDLE_IDENTIFIER = com.essentialdeveloper.EssentialFeed;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
@@ -901,6 +953,7 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MODULE_VERIFIER_SUPPORTED_LANGUAGE_STANDARDS = "gnu11 gnu++14";
 				PRODUCT_BUNDLE_IDENTIFIER = com.essentialdeveloper.EssentialFeed;
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
@@ -924,6 +977,7 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.essentialdeveloper.EssentialFeedTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTED_PLATFORMS = "macosx iphoneos iphonesimulator";
@@ -947,6 +1001,7 @@
 					"@executable_path/../Frameworks",
 					"@loader_path/../Frameworks",
 				);
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.essentialdeveloper.EssentialFeedTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTED_PLATFORMS = "macosx iphoneos iphonesimulator";
@@ -957,7 +1012,7 @@
 		23F5D6E92F182DE900AC7D9F /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				BUILD_LIBRARY_FOR_DISTRIBUTION = YES;
+				BUILD_LIBRARY_FOR_DISTRIBUTION = NO;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
@@ -970,7 +1025,7 @@
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.1;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -999,7 +1054,7 @@
 		23F5D6EA2F182DE900AC7D9F /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				BUILD_LIBRARY_FOR_DISTRIBUTION = YES;
+				BUILD_LIBRARY_FOR_DISTRIBUTION = NO;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
@@ -1012,7 +1067,7 @@
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.1;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -1042,12 +1097,13 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = YLLF7E9854;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				GENERATE_INFOPLIST_FILE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.1;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.dapeter.EssentialFeediOSTests;
@@ -1057,6 +1113,7 @@
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)";
 				SWIFT_APPROACHABLE_CONCURRENCY = YES;
 				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -1067,12 +1124,13 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = YLLF7E9854;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				GENERATE_INFOPLIST_FILE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 26.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.1;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.dapeter.EssentialFeediOSTests;

EssentialFeed/EssentialFeediOS/FeedViewController.swift

@@ -0,0 +1,42 @@
+//
+//  FeedViewController.swift
+//  EssentialFeed
+//
+//  Created by Andres Sanchez on 19/1/26.
+//
+
+import UIKit
+import EssentialFeed
+
+final public class FeedViewController: UITableViewController {
+    private var loader: FeedLoader?
+    private var onViewIsAppearing: ((FeedViewController) -> Void)?
+
+    public convenience init(loader: FeedLoader) {
+        self.init()
+        self.loader = loader
+    }
+
+    public override func viewDidLoad() {
+        super.viewDidLoad()
+
+        refreshControl = UIRefreshControl()
+        refreshControl?.addTarget(self, action: #selector(load), for: .valueChanged)
+        onViewIsAppearing = { vc in
+            vc.onViewIsAppearing = nil
+            vc.load()
+        }
+    }
+
+    public override func viewIsAppearing(_ animated: Bool) {
+        super.viewIsAppearing(animated)
+        onViewIsAppearing?(self)
+    }
+
+    @objc private func load() {
+        refreshControl?.beginRefreshing()
+        loader?.load { [weak self] _ in
+            self?.refreshControl?.endRefreshing()
+        }
+    }
+}