Add LoansDetailPresenter

SWDestinyTrades/Classes/LoanDetail/Navigator/LoanDetailNavigator.swift

@@ -33,7 +33,10 @@ final class LoanDetailNavigator: Navigator {
     private func makeViewController(for destination: Destination) -> UIViewController {
         switch destination {
         case let .cardDetail(database, cardList, card):
-            return CardDetailViewControllerFactory(database: database, cardList: cardList, card: card).createViewController()
+            return CardDetailViewControllerFactory(database: database,
+                                                   cardList: cardList,
+                                                   card: card)
+                .createViewController()
         case let .addCard(database, person, type):
             return AddCardViewControllerFactory(database: database,
                                                 addCardType: type,

SWDestinyTrades/Classes/LoanDetail/Presenter/LoansDetailPresenter.swift

@@ -0,0 +1,90 @@
+//
+//  LoansDetailPresenter.swift
+//  SWDestinyTrades
+//
+//  Created by Diogo Autilio on 25/02/24.
+//  Copyright © 2024 Diogo Autilio. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+protocol LoansDetailPresenterProtocol: AnyObject {
+    func loadDataFromRealm()
+    func setNavigationTitle()
+    func navigateToCardDetail(with card: CardDTO, destination: AddCardType)
+    func navigateToAddCard(type: AddCardType)
+}
+
+final class LoansDetailPresenter: LoansDetailPresenterProtocol {
+
+    private let database: DatabaseProtocol?
+    private var person: PersonDTO
+    private let navigator: LoanDetailNavigator
+
+    private weak var controller: LoansDetailViewControllerProtocol?
+
+    init(controller: LoansDetailViewControllerProtocol?,
+         database: DatabaseProtocol?,
+         person: PersonDTO,
+         navigator: LoanDetailNavigator) {
+        self.controller = controller
+        self.database = database
+        self.person = person
+        self.navigator = navigator
+
+        NotificationCenter.default.addObserver(self,
+                                               selector: #selector(reloadTableView),
+                                               name: NotificationKey.reloadTableViewNotification,
+                                               object: nil)
+    }
+
+    func loadDataFromRealm() {
+        controller?.updateTableViewData(person: person)
+    }
+
+    func setNavigationTitle() {
+        controller?.setNavigationTitle("\(person.name) \(person.lastName)")
+    }
+
+    func navigateToCardDetail(with card: CardDTO, destination: AddCardType) {
+        let source = destination == .lent ? person.lentMe : person.borrowed
+        navigator.navigate(to: .cardDetail(database: database, with: Array(source), card: card))
+    }
+
+    func navigateToAddCard(type: AddCardType) {
+        navigator.navigate(to: .addCard(database: database, with: person, type: type))
+    }
+
+    // MARK: - UIBarButton Actions
+
+    @objc
+    private func reloadTableView(_ notification: NSNotification) {
+        if let personDTO = notification.userInfo?["personDTO"] as? PersonDTO {
+            person = personDTO
+            loadDataFromRealm()
+        }
+    }
+}
+
+extension LoansDetailPresenter: LoansDetailsProtocol {
+
+    func stepperValueChanged(newValue: Int, card: CardDTO) {
+        try? database?.update {
+            card.quantity = newValue
+        }
+    }
+
+    func remove(from section: AddCardType, at index: Int) {
+        try? database?.update { [weak self] in
+            switch section {
+            case .lent:
+                self?.person.lentMe.remove(at: index)
+            case .borrow:
+                self?.person.borrowed.remove(at: index)
+            default:
+                break
+            }
+        }
+    }
+}

SWDestinyTrades/Classes/LoanDetail/Protocols/LoansDetailViewControllerProtocol.swift

@@ -0,0 +1,14 @@
+//
+//  LoansDetailViewControllerProtocol.swift
+//  SWDestinyTrades
+//
+//  Created by Diogo Autilio on 25/02/24.
+//  Copyright © 2024 Diogo Autilio. All rights reserved.
+//
+
+import Foundation
+
+protocol LoansDetailViewControllerProtocol: AnyObject {
+    func updateTableViewData(person: PersonDTO)
+    func setNavigationTitle(_ title: String)
+}

SWDestinyTradesTests/Screens/LoanDetail/Controller/LoansDetailViewControllerTests.swift

@@ -51,14 +51,14 @@ final class LoansDetailViewControllerTests: XCTestCase {
         sut.viewDidLoad()
         // view.didSelectCard?(.stub())
 
-        //XCTAssertEqual(presenter.didCallNavigateToDeckBuilder.count, 1)
+        // XCTAssertEqual(presenter.didCallNavigateToDeckBuilder.count, 1)
     }
-    
+
     func test_didSelectAddItem() {
         sut.viewDidLoad()
         // view.didSelectCard?(.stub())
 
-        //XCTAssertEqual(presenter.didCallNavigateToDeckBuilder.count, 1)
+        // XCTAssertEqual(presenter.didCallNavigateToDeckBuilder.count, 1)
     }
 
     func test_viewWillAppear() {

SWDestinyTradesTests/Screens/LoanDetail/Doubles/LoansDetailViewControllerSpy.swift

@@ -0,0 +1,25 @@
+//
+//  LoansDetailViewControllerSpy.swift
+//  SWDestinyTradesTests
+//
+//  Created by Diogo Autilio on 25/02/24.
+//  Copyright © 2024 Diogo Autilio. All rights reserved.
+//
+
+import Foundation
+import UIKit
+
+@testable import SWDestinyTrades
+
+final class LoansDetailViewControllerSpy: UIViewController, LoansDetailViewControllerProtocol {
+
+    private(set) var didCallUpdateTableViewData = [PersonDTO]()
+    func updateTableViewData(person: PersonDTO) {
+        didCallUpdateTableViewData.append(person)
+    }
+
+    private(set) var didCallSetNavigationTitle = [String]()
+    func setNavigationTitle(_ title: String) {
+        didCallSetNavigationTitle.append(title)
+    }
+}

SWDestinyTradesTests/Screens/LoanDetail/Presenter/LoansDetailPresenterTests.swift

@@ -0,0 +1,132 @@
+//
+//  LoansDetailPresenterTests.swift
+//  SWDestinyTradesTests
+//
+//  Created by Diogo Autilio on 25/02/24.
+//  Copyright © 2024 Diogo Autilio. All rights reserved.
+//
+
+import XCTest
+
+@testable import SWDestinyTrades
+
+final class LoansDetailPresenterTests: XCTestCase {
+
+    private var sut: LoansDetailPresenter!
+    private var controller: LoansDetailViewControllerSpy!
+    private var database: RealmDatabase?
+    private var navigator: LoanDetailNavigator!
+    private var navigationController: UINavigationControllerMock!
+    private var person: PersonDTO!
+
+    override func setUp() {
+        super.setUp()
+        person = .stub(lentMe: [.stub(), .stub()], borrowed: [.stub(), .stub()])
+        controller = LoansDetailViewControllerSpy()
+        database = RealmDatabaseHelper.createMemoryDatabase(identifier: #function)
+        navigationController = UINavigationControllerMock(rootViewController: controller)
+        navigator = LoanDetailNavigator(controller)
+        sut = LoansDetailPresenter(controller: controller,
+                                   database: database,
+                                   person: person,
+                                   navigator: navigator)
+    }
+
+    override func tearDown() {
+        controller = nil
+        database = nil
+        navigator = nil
+        navigationController = nil
+        sut = nil
+        super.tearDown()
+    }
+
+    // MARK: - Test loadDataFromRealm
+
+    func test_loadDataFromRealm() {
+        sut.loadDataFromRealm()
+
+        XCTAssertEqual(controller.didCallUpdateTableViewData.count, 1)
+        XCTAssertNotNil(controller.didCallUpdateTableViewData[0])
+    }
+
+    // MARK: - Test setNavigationTitle
+
+    func test_setNavigationTitle() {
+        sut.setNavigationTitle()
+
+        XCTAssertEqual(controller.didCallSetNavigationTitle.count, 1)
+        XCTAssertEqual(controller.didCallSetNavigationTitle[0], "User Mock")
+    }
+
+    // MARK: - Test navigateToCardDetail
+
+    func test_navigateToCardDetailViewController_when_the_destination_is_borrow() {
+        sut.navigateToCardDetail(with: .stub(), destination: .borrow)
+
+        XCTAssertTrue(navigationController.currentPushedViewController is CardDetailViewController)
+    }
+
+    func test_navigateToCardDetailViewController_when_the_destination_is_lent() {
+        sut.navigateToCardDetail(with: .stub(), destination: .lent)
+
+        XCTAssertTrue(navigationController.currentPushedViewController is CardDetailViewController)
+    }
+
+    // MARK: - Test navigateToAddCard
+
+    func test_navigateToAddCard() {
+        sut.navigateToAddCard(type: .borrow)
+
+        XCTAssertTrue(navigationController.currentPushedViewController is AddCardViewController)
+    }
+
+    // MARK: - Test reloadTableView
+
+    func test_reloadTableView() {
+
+        let notification = Notification(name: NotificationKey.reloadTableViewNotification, object: nil, userInfo: ["personDTO": PersonDTO.stub()])
+
+        NotificationCenter.default.post(notification)
+
+        XCTAssertEqual(controller.didCallUpdateTableViewData.count, 1)
+        XCTAssertNotNil(controller.didCallUpdateTableViewData[0])
+    }
+
+    // MARK: - Test stepperValueChanged
+
+    func test_stepperValueChanged() {
+        let card: CardDTO = .stub()
+        sut.stepperValueChanged(newValue: 4, card: card)
+
+        XCTAssertEqual(card.quantity, 4)
+    }
+
+    // MARK: - Test remove
+
+    func test_remove_from_borrow() {
+        XCTAssertEqual(person.borrowed.count, 2)
+
+        sut.remove(from: .borrow, at: 0)
+
+        XCTAssertEqual(person.borrowed.count, 1)
+    }
+
+    func test_remove_from_lent() {
+        XCTAssertEqual(person.lentMe.count, 2)
+
+        sut.remove(from: .lent, at: 0)
+
+        XCTAssertEqual(person.lentMe.count, 1)
+    }
+
+    func test_remove_from_another_case() {
+        XCTAssertEqual(person.lentMe.count, 2)
+        XCTAssertEqual(person.borrowed.count, 2)
+
+        sut.remove(from: .collection, at: 0)
+
+        XCTAssertEqual(person.lentMe.count, 2)
+        XCTAssertEqual(person.borrowed.count, 2)
+    }
+}