Merge pull request 'feature/tasks/nested-classes' (#17) from feature/tasks/nested-classes into main

Reviewed-on: #17

todo/src/main/java/ru/kamask/pet/Task.java

@@ -6,28 +6,28 @@ class Task {
     private static int nextId;
     static int taskCount;
 
-    static {
-        taskCount = 0;
-        nextId = 0;
-    }
-
     private int id;
     private String title;
     private String description;
     private boolean completed = false;
     private LocalDate createdAt;
 
-    Task(String title, String description) {
-        this.title = title;
-        this.description = description;
-    };
+    static {
+        taskCount = 0;
+        nextId = 0;
+    }
 
     {
         id = ++nextId;
         createdAt = LocalDate.now();
-        ++taskCount;
+        taskCount++;
     }
 
+    Task(String title, String description) {
+        this.title = title;
+        this.description = description;
+    };
+
     static void printTotalTasksCreated() {
         System.out.println("Колличество дел: " + taskCount);
     }
@@ -67,7 +67,18 @@ class Task {
         return id;
     }
 
+    String getTitle() {
+        return title;
+    }
+
     boolean getCompleted() {
         return completed;
     }
+
+    static class TaskPrinter {
+        void print(Task task) {
+            task.printInfo(true);
+        }
+    }
+
 }

todo/src/main/java/ru/kamask/pet/TodoApp.java

@@ -4,50 +4,38 @@ import java.util.Scanner;
 
 public class TodoApp {
 
+    private static TaskManager taskManager;
     private static Task[] tasks = new Task[10];
+    private static int tasksCounter = 0;
     private static Scanner scanner = new Scanner(System.in);
 
     public static void main(String[] args) {
 
-        /*
-         * System.out.println("\n\nDeveloper mode:\n\n");
-         * 
-         * Task t1 = new Task("Дело тест - t1", "");
-         * Task t2 = new Task("Дело тест - t2", "");
-         * Task t3 = new Task("Дело тест - t3", "");
-         * printAll(t1, t2, t3);
-         * System.out.println(markTaskCompletedById(new Task[] { t1, t2, t3 }, 2));
-         * printAll(t1, t2, t3);
-         * 
-         * System.out.println("\n\n" + "*".repeat(20) + "\n\n");
-         */
+        TodoApp app = new TodoApp();
+        taskManager = app.new TaskManager();
+
+        // TaskAction action = new TodoApp.TaskAction() {
+        // @Override
+        // public void execute(Task task) {
+        // if (task.getCompleted())
+        // System.out.println("Дело " + task.getTitle() + " уже выполнено ранее.");
+        // else {
+        // task.toggleCompleted();
+        // System.out.println("Дело " + task.getTitle() + " выполнено.");
+        // }
+        // }
+        // };
+
+        // Task t1 = new Task("Тестовое дело", "Тестовое дело для проверки.");
+
+        // action.execute(t1);
+        // action.execute(t1);
+
+        app.run();
 
-        displayMainMenu();
     }
 
-    private static int requestIntFromInput(String template, int[] allowedInts) {
-        do {
-            System.out.print(template);
-            int input;
-            do {
-                if (scanner.hasNextInt()) {
-                    input = scanner.nextInt();
-                    scanner.nextLine();
-                    break;
-                } else {
-                    scanner.next();
-                    System.out.print("Ошибка: используйте цифры.\nПовторите ввод:");
-                }
-            } while (true);
-
-            for (int i : allowedInts)
-                if (i == input)
-                    return input;
-            System.out.print("Ошибка: укажите номер выбранного пункта.\nПовторите ввод:");
-        } while (true);
-    }
-
-    private static void displayMainMenu() {
+    private void run() {
         while (true) {
             Task.printTotalTasksCreated();
             String menu = """
@@ -94,13 +82,23 @@ public class TodoApp {
         System.out.print("\nНпишите описание дела: ");
         description = scanner.nextLine().trim();
 
-        var task = new Task(title, description);
-        tasks[Task.taskCount - 1] = task;
+        taskManager.addTask(new Task(title, description));
+    }
+
+    private static void displayTask(Task task) {
+        task.printInfo(true);
+        String firstOption = task.getCompleted() ? "[1]Не выполнено" : "[1]Выполнено";
+        int input = requestIntFromInput(firstOption + " [0]Главное меню\n\nВвод:",
+                new int[] { 0, 1 });
+        if (input == 1) {
+            task.toggleCompleted();
+            displayTask(task);
+        }
     }
 
     private static void displayTasks() {
 
-        if (Task.taskCount == 0) {
+        if (tasksCounter == 0) {
             int input = requestIntFromInput("""
 
                     Список дел пуст.
@@ -112,7 +110,6 @@ public class TodoApp {
 
             if (input == 1) {
                 displayCreateTask();
-                displayTasks();
             } else
                 System.exit(0);
         }
@@ -124,10 +121,10 @@ public class TodoApp {
 
         printAll(tasks);
 
-        int[] variantsInput = new int[Task.taskCount + 1];
-        for (int i = 0; i < Task.taskCount; i++)
+        int[] variantsInput = new int[tasksCounter + 1];
+        for (int i = 0; i < tasksCounter; i++)
             variantsInput[i] = tasks[i].getId();
-        variantsInput[Task.taskCount] = 0;
+        variantsInput[tasksCounter] = 0;
 
         int input = requestIntFromInput("""
 
@@ -148,15 +145,26 @@ public class TodoApp {
         return null;
     }
 
-    private static void displayTask(Task task) {
-        task.printInfo(true);
-        String firstOption = task.getCompleted() ? "[1]Не выполнено" : "[1]Выполнено";
-        int input = requestIntFromInput(firstOption + " [0]Главное меню\n\nВвод:",
-                new int[] { 0, 1 });
-        if (input == 1) {
-            task.toggleCompleted();
-            displayTask(task);
-        }
+    private static int requestIntFromInput(String template, int[] allowedInts) {
+        do {
+            System.out.print(template);
+            int input;
+            do {
+                if (scanner.hasNextInt()) {
+                    input = scanner.nextInt();
+                    scanner.nextLine();
+                    break;
+                } else {
+                    scanner.next();
+                    System.out.print("Ошибка: используйте цифры.\nПовторите ввод:");
+                }
+            } while (true);
+
+            for (int i : allowedInts)
+                if (i == input)
+                    return input;
+            System.out.print("Ошибка: укажите номер выбранного пункта.\nПовторите ввод:");
+        } while (true);
     }
 
     private static void printAll(Task... tasks) {
@@ -175,4 +183,30 @@ public class TodoApp {
         return false;
     }
 
+    private class TaskManager {
+        void addTask(Task task) {
+            tasks[tasksCounter++] = task;
+        }
+
+        void markCompleted(int id) {
+            markTaskCompletedById(tasks, id);
+        }
+
+        void printTasks() {
+            class ShortTaskPrinter {
+                void print(Task task) {
+                    System.out.printf("%-3s | %s\n", task.getId(), task.getTitle());
+                }
+            }
+
+            ShortTaskPrinter p = new ShortTaskPrinter();
+            for (int i = 0; i < Task.taskCount; i++)
+                p.print(tasks[i]);
+        }
+
+    }
+
+    interface TaskAction {
+        void execute(Task task);
+    }
 }