From 7aa394ec088a976ed36c7499ecb40db912015ac1 Mon Sep 17 00:00:00 2001
From: KamaSK <s@sha88.ru>
Date: Sun, 25 May 2025 17:34:48 +0300
Subject: [PATCH] =?UTF-8?q?=D0=A1=D0=BE=D0=B7=D0=B4=D0=B0=D0=BD=D0=B0=20?=
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---
 todo/src/main/java/ru/kamask/pet/TodoApp.java |  9 -----
 .../main/java/ru/kamask/pet/todo/TodoApp.java | 18 ++++++++++
 .../ru/kamask/pet/todo/model/DataBuilder.java |  5 +++
 .../ru/kamask/pet/todo/model/SimpleTask.java  | 35 +++++++++++++++++++
 .../java/ru/kamask/pet/todo/model/Task.java   | 23 ++++++++++++
 5 files changed, 81 insertions(+), 9 deletions(-)
 delete mode 100644 todo/src/main/java/ru/kamask/pet/TodoApp.java
 create mode 100644 todo/src/main/java/ru/kamask/pet/todo/TodoApp.java
 create mode 100644 todo/src/main/java/ru/kamask/pet/todo/model/DataBuilder.java
 create mode 100644 todo/src/main/java/ru/kamask/pet/todo/model/SimpleTask.java
 create mode 100644 todo/src/main/java/ru/kamask/pet/todo/model/Task.java

diff --git a/todo/src/main/java/ru/kamask/pet/TodoApp.java b/todo/src/main/java/ru/kamask/pet/TodoApp.java
deleted file mode 100644
index e7996ce..0000000
--- a/todo/src/main/java/ru/kamask/pet/TodoApp.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package ru.kamask.pet;
-
-public class TodoApp {
-
-    public static void main(String[] args) {
-
-    }
-
-}
diff --git a/todo/src/main/java/ru/kamask/pet/todo/TodoApp.java b/todo/src/main/java/ru/kamask/pet/todo/TodoApp.java
new file mode 100644
index 0000000..79fb305
--- /dev/null
+++ b/todo/src/main/java/ru/kamask/pet/todo/TodoApp.java
@@ -0,0 +1,18 @@
+package ru.kamask.pet.todo;
+
+import ru.kamask.pet.todo.model.SimpleTask;
+
+public class TodoApp {
+
+    @SuppressWarnings("unused")
+    public static void main(String[] args) {
+        var task = new SimpleTask("TodoApp");
+        System.out.println(task);
+
+        task.markAsCompleted();
+
+        var taskData = task.data();
+        System.out.println(taskData);
+    }
+
+}
diff --git a/todo/src/main/java/ru/kamask/pet/todo/model/DataBuilder.java b/todo/src/main/java/ru/kamask/pet/todo/model/DataBuilder.java
new file mode 100644
index 0000000..c911131
--- /dev/null
+++ b/todo/src/main/java/ru/kamask/pet/todo/model/DataBuilder.java
@@ -0,0 +1,5 @@
+package ru.kamask.pet.todo.model;
+
+public interface DataBuilder<T> {
+    T data();
+}
diff --git a/todo/src/main/java/ru/kamask/pet/todo/model/SimpleTask.java b/todo/src/main/java/ru/kamask/pet/todo/model/SimpleTask.java
new file mode 100644
index 0000000..a7206a4
--- /dev/null
+++ b/todo/src/main/java/ru/kamask/pet/todo/model/SimpleTask.java
@@ -0,0 +1,35 @@
+package ru.kamask.pet.todo.model;
+
+public class SimpleTask extends Task implements DataBuilder<SimpleTask.Data> {
+    private boolean done = false;
+
+    public SimpleTask(String title) {
+        super(title);
+    }
+
+    @Override
+    public void markAsCompleted() {
+        done();
+    }
+
+    @Override
+    public boolean isCompleted() {
+        return isDone();
+    }
+
+    void done() {
+        done = true;
+    }
+
+    boolean isDone() {
+        return done;
+    }
+
+    @Override
+    public Data data() {
+        return new Data(id, title, done);
+    }
+
+    record Data(int id, String title, boolean done) {
+    }
+}
diff --git a/todo/src/main/java/ru/kamask/pet/todo/model/Task.java b/todo/src/main/java/ru/kamask/pet/todo/model/Task.java
new file mode 100644
index 0000000..6b6678b
--- /dev/null
+++ b/todo/src/main/java/ru/kamask/pet/todo/model/Task.java
@@ -0,0 +1,23 @@
+package ru.kamask.pet.todo.model;
+
+public abstract class Task {
+    private static int nextId = 1;
+
+    protected int id;
+    protected String title;
+
+    Task(String title) {
+        this.id = nextId++;
+        this.title = title;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("Задача: id - %d, title: \"%s\"", id, title);
+    }
+
+    abstract public void markAsCompleted();
+
+    abstract public boolean isCompleted();
+
+}