Feature/auth module

.github/workflows/ci.yml

@@ -0,0 +1,21 @@
+name: EssentialFeed CI
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  build-and-test:
+    runs-on: macos-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Xcode
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: latest
+      - name: Build and test (unit + integración)
+        run: |
+          xcodebuild test -project EssentialFeed/EssentialFeed.xcodeproj -scheme CI_macOS -destination 'platform=macOS' | xcpretty

.gitignore

@@ -1,3 +1,6 @@
+# Ignorar archivos de sistema de macOS
+.DS_Store
+
 # Created by https://www.gitignore.io/api/swift,xcode
 
 ### Swift ###
@@ -91,4 +94,7 @@ fastlane/test_output
 !*.xcworkspace/contents.xcworkspacedata
 /*.gcno
 
+/coverage-reports/*
+!/coverage-reports/README.md
+
 # End of https://www.gitignore.io/api/swift,xcode

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "sweetpad.build.xcodeWorkspacePath": "EssentialApp/EssentialApp.xcworkspace",
+    "window.autoDetectColorScheme": true,
+    "window.confirmSaveUntitledWorkspace": true,
+    "interactiveWindow.promptToSaveOnClose": true
+}

.windsurfrules

@@ -0,0 +1,80 @@
+ <communication>
+Speak to me in Spanish for explanation
+My name is Carlos
+You are a senior developer
+You are a senior software engineer
+You are a senior software designer
+You are a senior software architect
+</communication>
+
+<language>
+I work with the Spanish for explanation
+I work code in English
+</language>
+
+<framework>
+I work with the SwiftUI
+I work with the UIKit
+I work with the Combine
+I work with the Foundation
+I work with the XCTest
+I work with the Core Data
+</framework>
+
+<tools>
+I work with the Xcode
+I work with the Git
+I work with the GitHub
+I work with the CI
+I work with the Git Actions
+I work with the CD
+</tools>
+
+<coding>
+Don't use any APIs that require authorization
+Don't use any APIs third party
+My project's programming language is swift
+Use XCTest as my test framework
+I work with BDD and TDD
+I work with clean architecture
+I work with SOLID principles
+I work with Single Responsibility Principle
+I work with Open/Closed Principle
+I work with Liskov Substitution Principle
+I work with Interface Segregation Principle
+I work with Dependency Inversion Principle
+I work with Command Query Separation
+I work with loose coupling
+I work with high cohesion
+I work with design patterns
+I work with reactive programming in the UI
+I work with the modular architecture
+I work with the dependency injection
+</coding>
+
+<update>
+Update the code
+Update the tests
+Update the documentation
+Update the README
+Update the UI
+Update the UI tests
+Update the UI screenshots
+Update the UI screenshots tests 
+Update xcode project
+Update xcode project settings
+Update xcode project scheme
+Update xcode project configuration
+Update xcworkspace
+Update xcconfig
+Update xcodeproj
+</update>
+
+<testing>
+I work with the unit testing
+I work with the integration testing
+I work with the UI testing
+I work with the end to end testing
+I work with the snapshot testing
+I work with the acceptance criteria testing
+</testing>

EssentialApp/EssentialApp.xcodeproj/project.pbxproj

@@ -37,6 +37,10 @@
 		0895DAAC234B3F7E0031BB2D /* EssentialFeed.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 0895DAA9234B3F7E0031BB2D /* EssentialFeed.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		0895DAAD234B3F7E0031BB2D /* EssentialFeediOS.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0895DAAA234B3F7E0031BB2D /* EssentialFeediOS.framework */; };
 		0895DAAE234B3F7E0031BB2D /* EssentialFeediOS.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 0895DAAA234B3F7E0031BB2D /* EssentialFeediOS.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		08CF92F62555A15B006B7E7D /* NullStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = 08CF92F52555A15B006B7E7D /* NullStore.swift */; };
+		B449F2082DBD6ABC0078F27B /* LoginComposer.swift in Sources */ = {isa = PBXBuildFile; fileRef = B449F2032DBD6ABC0078F27B /* LoginComposer.swift */; };
+		B449F2092DBD6ABC0078F27B /* LoginView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B449F2052DBD6ABC0078F27B /* LoginView.swift */; };
+		B449F20A2DBD6ABC0078F27B /* AuthComposer.swift in Sources */ = {isa = PBXBuildFile; fileRef = B449F2022DBD6ABC0078F27B /* AuthComposer.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -100,6 +104,10 @@
 		08B5033725346BAC003FF218 /* el */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = el; path = el.lproj/LaunchScreen.strings; sourceTree = "<group>"; };
 		08B5033925346BE1003FF218 /* pt-BR */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "pt-BR"; path = "pt-BR.lproj/LaunchScreen.strings"; sourceTree = "<group>"; };
 		08B5033B25346BFE003FF218 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/LaunchScreen.strings; sourceTree = "<group>"; };
+		08CF92F52555A15B006B7E7D /* NullStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NullStore.swift; sourceTree = "<group>"; };
+		B449F2022DBD6ABC0078F27B /* AuthComposer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthComposer.swift; sourceTree = "<group>"; };
+		B449F2032DBD6ABC0078F27B /* LoginComposer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoginComposer.swift; sourceTree = "<group>"; };
+		B449F2052DBD6ABC0078F27B /* LoginView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoginView.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -164,6 +172,7 @@
 		0895DA85234B3B950031BB2D /* EssentialApp */ = {
 			isa = PBXGroup;
 			children = (
+				B449F2072DBD6ABC0078F27B /* Authentication Feature */,
 				0895DA86234B3B950031BB2D /* AppDelegate.swift */,
 				0895DA88234B3B950031BB2D /* SceneDelegate.swift */,
 				0835BF6C24850F9800A793D2 /* CombineHelpers.swift */,
@@ -201,6 +210,32 @@
 			name = Frameworks;
 			sourceTree = "<group>";
 		};
+		B449F2042DBD6ABC0078F27B /* Composition */ = {
+			isa = PBXGroup;
+			children = (
+				B449F2022DBD6ABC0078F27B /* AuthComposer.swift */,
+				B449F2032DBD6ABC0078F27B /* LoginComposer.swift */,
+			);
+			path = Composition;
+			sourceTree = "<group>";
+		};
+		B449F2062DBD6ABC0078F27B /* UI */ = {
+			isa = PBXGroup;
+			children = (
+				B449F2052DBD6ABC0078F27B /* LoginView.swift */,
+			);
+			path = UI;
+			sourceTree = "<group>";
+		};
+		B449F2072DBD6ABC0078F27B /* Authentication Feature */ = {
+			isa = PBXGroup;
+			children = (
+				B449F2042DBD6ABC0078F27B /* Composition */,
+				B449F2062DBD6ABC0078F27B /* UI */,
+			);
+			path = "Authentication Feature";
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -248,7 +283,7 @@
 			attributes = {
 				BuildIndependentTargetsInParallel = YES;
 				LastSwiftUpdateCheck = 1120;
-				LastUpgradeCheck = 1620;
+				LastUpgradeCheck = 1630;
 				ORGANIZATIONNAME = "Essential Developer";
 				TargetAttributes = {
 					0895DA82234B3B950031BB2D = {
@@ -308,6 +343,9 @@
 			files = (
 				08073B44238D2DFA00A75DC6 /* FeedUIComposer.swift in Sources */,
 				0895DA87234B3B950031BB2D /* AppDelegate.swift in Sources */,
+				B449F2082DBD6ABC0078F27B /* LoginComposer.swift in Sources */,
+				B449F2092DBD6ABC0078F27B /* LoginView.swift in Sources */,
+				B449F20A2DBD6ABC0078F27B /* AuthComposer.swift in Sources */,
 				08073B45238D2DFA00A75DC6 /* LoadResourcePresentationAdapter.swift in Sources */,
 				08073B48238D2DFA00A75DC6 /* WeakRefVirtualProxy.swift in Sources */,
 				0895DA89234B3B950031BB2D /* SceneDelegate.swift in Sources */,
@@ -403,6 +441,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = dwarf;
+				DEVELOPMENT_TEAM = Z273P8K3M7;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
@@ -468,6 +507,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				DEVELOPMENT_TEAM = Z273P8K3M7;
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
@@ -493,9 +533,8 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CODE_SIGN_IDENTITY = "Apple Development";
+				CODE_SIGN_IDENTITY = "";
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = VRJ2W4578X;
 				INFOPLIST_FILE = EssentialApp/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
@@ -517,21 +556,16 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				CODE_SIGN_IDENTITY = "Apple Distribution";
-				CODE_SIGN_STYLE = Manual;
-				DEVELOPMENT_TEAM = VRJ2W4578X;
+				CODE_SIGN_IDENTITY = "";
+				CODE_SIGN_STYLE = Automatic;
 				INFOPLIST_FILE = EssentialApp/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
 				PRODUCT_BUNDLE_IDENTIFIER = com.essentialdeveloper.EssentialAppCaseStudy;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				PROVISIONING_PROFILE_SPECIFIER = "Essential App Case Study (Production)";
-				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
-				SUPPORTS_MACCATALYST = NO;
-				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
-				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
+				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = 1;
 			};
@@ -542,8 +576,9 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_IDENTITY = "";
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "-";
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = VRJ2W4578X;
 				INFOPLIST_FILE = EssentialAppTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
@@ -568,8 +603,9 @@
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_IDENTITY = "";
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "-";
 				CODE_SIGN_STYLE = Automatic;
-				DEVELOPMENT_TEAM = VRJ2W4578X;
 				INFOPLIST_FILE = EssentialAppTests/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",

EssentialApp/EssentialApp.xcworkspace/xcshareddata/xcschemes/CI_iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1620"
+   LastUpgradeVersion = "1630"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

EssentialApp/EssentialApp.xcworkspace/xcshareddata/xcschemes/EssentialApp.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1620"
+   LastUpgradeVersion = "1630"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

EssentialApp/EssentialApp/Authentication Feature/Composition/AuthComposer.swift

@@ -0,0 +1,11 @@
+import UIKit
+import SwiftUI
+
+public enum AuthComposer {
+    public static func authViewController(
+        onAuthenticated: @escaping () -> Void) -> UIViewController {
+        // For now, show the login flow. Registration can be added easily here.
+        let loginVC = LoginComposer.loginViewController(onAuthenticated: onAuthenticated)
+        return loginVC
+    }
+}

EssentialApp/EssentialApp/Authentication Feature/Composition/LoginComposer.swift

@@ -0,0 +1,18 @@
+import UIKit
+import SwiftUI
+import Combine
+import EssentialFeed
+
+public enum LoginComposer {
+    private static var cancellables = Set<AnyCancellable>()
+    public static func loginViewController(
+        onAuthenticated: @escaping () -> Void) -> UIViewController {
+        let viewModel = LoginViewModel()
+        let loginView = LoginView(viewModel: viewModel)
+        let controller = UIHostingController(rootView: loginView)
+        viewModel.authenticated
+            .sink { onAuthenticated() }
+            .store(in: &cancellables)
+        return controller
+    }
+}

EssentialApp/EssentialApp/Authentication Feature/UI/LoginView.swift

@@ -0,0 +1,56 @@
+import SwiftUI
+import EssentialFeed
+
+struct BorderedProminentIfAvailable: ViewModifier {
+    func body(content: Content) -> some View {
+        if #available(iOS 15.0, *) {
+            content.buttonStyle(.borderedProminent)
+        } else {
+            content.buttonStyle(DefaultButtonStyle())
+        }
+    }
+}
+
+public struct LoginView: View {
+    @ObservedObject var viewModel: LoginViewModel
+
+    public init(viewModel: LoginViewModel) {
+        self.viewModel = viewModel
+    }
+
+    public var body: some View {
+        VStack(spacing: 16) {
+            TextField("Username", text: $viewModel.username)
+                .autocapitalization(.none)
+                .textFieldStyle(RoundedBorderTextFieldStyle())
+            SecureField("Password", text: $viewModel.password)
+                .textFieldStyle(RoundedBorderTextFieldStyle())
+            if let error = viewModel.errorMessage {
+                Text(error)
+                    .foregroundColor(.red)
+            }
+            Button("Login") {
+                viewModel.login()
+            }
+            .modifier(BorderedProminentIfAvailable())
+        }
+        .padding()
+        .alert(isPresented: $viewModel.loginSuccess) {
+            Alert(
+                title: Text("Login Successful"),
+                message: Text("Welcome!"),
+                dismissButton: .default(Text("OK"), action: {
+                    viewModel.onSuccessAlertDismissed()
+                })
+            )
+        }
+    }
+}
+
+public protocol LoginSuccessView: AnyObject {
+    func showLoginSuccess()
+}
+
+public protocol LoginErrorClearingView: AnyObject {
+    func clearErrorMessages()
+}