From 3e89dc1613750af2ccb82939af790aa93946e8ca Mon Sep 17 00:00:00 2001
From: KamaSK <s@sha88.ru>
Date: Thu, 29 May 2025 21:51:09 +0300
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
 =?UTF-8?q?=D0=BD=D0=B0=20=D0=BA=D0=BE=D0=BC=D0=B0=D0=BD=D0=B4=D0=B0=20?=
 =?UTF-8?q?=D1=83=D0=B4=D0=B0=D0=BB=D0=B5=D0=BD=D0=B8=D1=8F=20=D0=B7=D0=B0?=
 =?UTF-8?q?=D0=B4=D0=B0=D1=87=20=D0=B2=20CliEngine.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../ru/kamask/pet/todo/cli/CliEngine.java     |  1 +
 .../ru/kamask/pet/todo/cli/DeleteCommand.java | 35 +++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 todo/src/main/java/ru/kamask/pet/todo/cli/DeleteCommand.java

diff --git a/todo/src/main/java/ru/kamask/pet/todo/cli/CliEngine.java b/todo/src/main/java/ru/kamask/pet/todo/cli/CliEngine.java
index f41abd5..dd39b15 100644
--- a/todo/src/main/java/ru/kamask/pet/todo/cli/CliEngine.java
+++ b/todo/src/main/java/ru/kamask/pet/todo/cli/CliEngine.java
@@ -46,6 +46,7 @@ public class CliEngine {
         registerCommand(new CreateCommand());
         registerCommand(new ListCommand());
         registerCommand(new CompleteCommand());
+        registerCommand(new DeleteCommand());
     }
 
     void handleHelp() {
diff --git a/todo/src/main/java/ru/kamask/pet/todo/cli/DeleteCommand.java b/todo/src/main/java/ru/kamask/pet/todo/cli/DeleteCommand.java
new file mode 100644
index 0000000..b037776
--- /dev/null
+++ b/todo/src/main/java/ru/kamask/pet/todo/cli/DeleteCommand.java
@@ -0,0 +1,35 @@
+package ru.kamask.pet.todo.cli;
+
+import java.util.Optional;
+
+import ru.kamask.pet.todo.service.TaskService;
+
+public class DeleteCommand implements Command {
+    @Override
+    public String name() {
+        return "delete";
+    }
+
+    @Override
+    public String usage() {
+        return String.format(Command.templateUsage, name() + " <ID>", "Удалить задачу.");
+    }
+
+    @Override
+    public Optional<String> handle(String[] args, TaskService service) {
+        if (args.length != 1)
+            return Optional.of(Command.errorMessage);
+
+        try {
+            int id = Integer.parseInt(args[0]);
+            if (!service.has(id))
+                return Optional.of("Задача ID-%d не найдена.".formatted(id));
+            service.remove(id);
+            return Optional.of("Задача ID-%d удалена.".formatted(id));
+
+        } catch (NumberFormatException e) {
+            return Optional.of("ID - должен быть числом.");
+        }
+    }
+
+}
-- 
2.47.2