KopytinKa · KopytinKa · Sep 20, 2021
diff --git a/Tasks.xcodeproj/project.pbxproj b/Tasks.xcodeproj/project.pbxproj
@@ -7,6 +7,9 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		8BD0818F26F894270008ED22 /* Task.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8BD0818E26F894270008ED22 /* Task.swift */; };
+		8BD0819326F89DED0008ED22 /* TaskViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8BD0819226F89DED0008ED22 /* TaskViewController.swift */; };
+		8BD0819526F8A9A80008ED22 /* Tasks.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8BD0819426F8A9A80008ED22 /* Tasks.swift */; };
 		8BF3739F26F1F00C0017A890 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8BF3739E26F1F00C0017A890 /* AppDelegate.swift */; };
 		8BF373A126F1F00C0017A890 /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8BF373A026F1F00C0017A890 /* SceneDelegate.swift */; };
 		8BF373A326F1F00C0017A890 /* AllTasksViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8BF373A226F1F00C0017A890 /* AllTasksViewController.swift */; };
@@ -17,6 +20,9 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		8BD0818E26F894270008ED22 /* Task.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Task.swift; sourceTree = "<group>"; };
+		8BD0819226F89DED0008ED22 /* TaskViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TaskViewController.swift; sourceTree = "<group>"; };
+		8BD0819426F8A9A80008ED22 /* Tasks.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Tasks.swift; sourceTree = "<group>"; };
 		8BF3739B26F1F00C0017A890 /* Tasks.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Tasks.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		8BF3739E26F1F00C0017A890 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		8BF373A026F1F00C0017A890 /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = "<group>"; };
@@ -39,6 +45,15 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		8BD0819626F8E0150008ED22 /* Models */ = {
+			isa = PBXGroup;
+			children = (
+				8BD0818E26F894270008ED22 /* Task.swift */,
+				8BD0819426F8A9A80008ED22 /* Tasks.swift */,
+			);
+			path = Models;
+			sourceTree = "<group>";
+		};
 		8BF3739226F1F00C0017A890 = {
 			isa = PBXGroup;
 			children = (
@@ -58,6 +73,7 @@
 		8BF3739D26F1F00C0017A890 /* Tasks */ = {
 			isa = PBXGroup;
 			children = (
+				8BD0819626F8E0150008ED22 /* Models */,
 				8BF373B326F1F5150017A890 /* Controllers */,
 				8BF373B226F1F1D40017A890 /* Resources */,
 				8BF3739E26F1F00C0017A890 /* AppDelegate.swift */,
@@ -82,6 +98,7 @@
 			children = (
 				8BF373A226F1F00C0017A890 /* AllTasksViewController.swift */,
 				8BF373B426F1F5300017A890 /* AddTaskViewController.swift */,
+				8BD0819226F89DED0008ED22 /* TaskViewController.swift */,
 			);
 			path = Controllers;
 			sourceTree = "<group>";
@@ -157,7 +174,10 @@
 			buildActionMask = 2147483647;
 			files = (
 				8BF373A326F1F00C0017A890 /* AllTasksViewController.swift in Sources */,
+				8BD0819326F89DED0008ED22 /* TaskViewController.swift in Sources */,
 				8BF373B526F1F5300017A890 /* AddTaskViewController.swift in Sources */,
+				8BD0818F26F894270008ED22 /* Task.swift in Sources */,
+				8BD0819526F8A9A80008ED22 /* Tasks.swift in Sources */,
 				8BF3739F26F1F00C0017A890 /* AppDelegate.swift in Sources */,
 				8BF373A126F1F00C0017A890 /* SceneDelegate.swift in Sources */,
 			);

diff --git a/Tasks/AppDelegate.swift b/Tasks/AppDelegate.swift
@@ -14,6 +14,20 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         // Override point for customization after application launch.
+        let task1 = Task(description: "Task 1", main: true)
+        let task2 = Task(description: "Task 2", main: true)
+        let task3 = Task(description: "Task 3", main: true)
+        let task4 = Task(description: "Task 4", main: true)
+        let task5 = Task(description: "Task 5", main: true)
+        let task6 = Task(description: "Task 6", main: true)
+        let task7 = Task(description: "Task 7", main: false)
+        let task8 = Task(description: "Task 8", main: false)
+        let task9 = Task(description: "Task 9", main: false)
+        let task10 = Task(description: "Task 10", main: false)
+        task1.tasks = [task8, task9, task10]
+        task10.tasks = [task7]
+
+        Tasks.shared.tasks = [task1, task2, task3, task4, task5, task6, task7, task8, task9, task10]
         return true
     }
 

diff --git a/Tasks/Controllers/AddTaskViewController.swift b/Tasks/Controllers/AddTaskViewController.swift
@@ -9,7 +9,23 @@ import UIKit
 
 class AddTaskViewController: UIViewController {
 
+    @IBOutlet weak var taskTextView: UITextView!
+
+    var parentTask: Task?
+
     override func viewDidLoad() {
         super.viewDidLoad()
     }
+
+    @IBAction func saveTaskTapped(_ sender: Any) {
+        guard let description = taskTextView.text else { return }
+        let main = parentTask == nil
+
+        let newTask = Task(description: description, main: main)
+
+        Tasks.shared.tasks.append(newTask)
+        parentTask?.tasks.append(newTask)
+
+        navigationController?.popViewController(animated: true)
+    }
 }
diff --git a/Tasks/Controllers/AllTasksViewController.swift b/Tasks/Controllers/AllTasksViewController.swift
@@ -9,8 +9,61 @@ import UIKit
 
 class AllTasksViewController: UIViewController {
 
+    @IBOutlet weak var tasksTableView: UITableView!
+
+    var tasks: [Task] = []
+
     override func viewDidLoad() {
         super.viewDidLoad()
+
+        tasksTableView.delegate = self
+        tasksTableView.dataSource = self
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+
+        // TODO: Сделать хранение задач в Realm (например)
+        self.tasks = []
+
+        for task in Tasks.shared.tasks {
+            if task.main {
+                self.tasks.append(task)
+            }
+        }
+
+        tasksTableView.reloadData()
+    }
+}
+
+extension AllTasksViewController: UITableViewDelegate, UITableViewDataSource {
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return tasks.count
+    }
+
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        return tableView.dequeueReusableCell(withIdentifier: "TaskCellIdentifier", for: indexPath)
+    }
+
+    func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
+        let task = tasks[indexPath.row]
+        cell.textLabel?.text = task.description
+        cell.detailTextLabel?.text = String(task.tasks.count)
+    }
+
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
+        if segue.identifier == "showTaskSegue" {
+            guard let taskViewController = segue.destination as? TaskViewController else { return }
+
+            guard let indexPath = sender as? IndexPath else { return }
+            let task = tasks[indexPath.row]
+
+            taskViewController.currentTask = task
+        }
+    }
+
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        performSegue(withIdentifier: "showTaskSegue", sender: indexPath)
     }
 }
 
diff --git a/Tasks/Controllers/TaskViewController.swift b/Tasks/Controllers/TaskViewController.swift
@@ -0,0 +1,60 @@
+//
+//  TaskViewController.swift
+//  Tasks
+//
+//  Created by Кирилл Копытин on 20.09.2021.
+//
+
+import UIKit
+
+class TaskViewController: UIViewController {
+
+    var currentTask: Task!
+
+    @IBOutlet weak var descriptionTaskLabel: UILabel!
+    @IBOutlet weak var tasksTableView: UITableView!
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        descriptionTaskLabel.text = currentTask.description
+
+        tasksTableView.delegate = self
+        tasksTableView.dataSource = self
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+
+        tasksTableView.reloadData()
+    }
+
+    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
+        if segue.identifier == "showAddTaskSegue" {
+            guard let addTaskViewController = segue.destination as? AddTaskViewController else { return }
+            addTaskViewController.parentTask = currentTask
+        }
+    }
+}
+
+extension TaskViewController: UITableViewDelegate, UITableViewDataSource {
+    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return currentTask.tasks.count
+    }
+
+    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        return tableView.dequeueReusableCell(withIdentifier: "TaskCellIdentifier", for: indexPath)
+    }
+
+    func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
+        let task = currentTask.tasks[indexPath.row]
+        cell.textLabel?.text = task.description
+        cell.detailTextLabel?.text = String(task.tasks.count)
+    }
+
+    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        self.currentTask = currentTask.tasks[indexPath.row]
+        descriptionTaskLabel.text = currentTask.description
+        tableView.reloadData()
+    }
+}
diff --git a/Tasks/Models/Task.swift b/Tasks/Models/Task.swift
@@ -0,0 +1,20 @@
+//
+//  Task.swift
+//  Tasks
+//
+//  Created by Кирилл Копытин on 20.09.2021.
+//
+
+import Foundation
+
+class Task {
+    let description: String
+    let main: Bool
+
+    var tasks: [Task] = []
+
+    init(description: String, main: Bool) {
+        self.description = description
+        self.main = main
+    }
+}
diff --git a/Tasks/Models/Tasks.swift b/Tasks/Models/Tasks.swift
@@ -0,0 +1,16 @@
+//
+//  Tasks.swift
+//  Tasks
+//
+//  Created by Кирилл Копытин on 20.09.2021.
+//
+
+import Foundation
+
+final class Tasks {
+    static let shared = Tasks()
+
+    private init() {}
+
+    var tasks: [Task] = []
+}