dev #36
@ -44,6 +44,7 @@ public class CliEngine {
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void initializeCommands() {
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registerCommand(new CreateCommand());
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registerCommand(new ListCommand());
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}
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void handleHelp() {
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39
todo/src/main/java/ru/kamask/pet/todo/cli/ListCommand.java
Normal file
39
todo/src/main/java/ru/kamask/pet/todo/cli/ListCommand.java
Normal file
@ -0,0 +1,39 @@
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package ru.kamask.pet.todo.cli;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.SimpleTask;
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import ru.kamask.pet.todo.model.Task;
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import ru.kamask.pet.todo.service.TaskService;
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public class ListCommand implements Command {
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@Override
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public String name() {
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return "list";
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}
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@Override
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public Optional<String> handle(String[] args, TaskService service) {
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if (args.length > 0)
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return Optional.of(Command.errorMessage);
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String template = "%-2s | %-30s | %s\n";
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String res = "";
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res += String.format(template, "ID", "Название задачи", "Статус");
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res += "-".repeat(50) + "\n";
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if (service.list().size() == 0)
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return Optional.of(res + "\nСписок задач пуст.");
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for (Task task : service.list()) {
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SimpleTask.Data data = ((SimpleTask) task).data();
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res += String.format(template, data.id(), data.title(), data.done() ? "выполнено" : "не выполнено");
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}
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return Optional.of(res);
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}
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@Override
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public String usage() {
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return String.format(templateUsage, name(), "Список всех задач.");
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}
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}
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@ -30,6 +30,6 @@ public class SimpleTask extends Task implements DataBuilder<SimpleTask.Data> {
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return new Data(id, title, done);
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}
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record Data(int id, String title, boolean done) {
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public record Data(int id, String title, boolean done) {
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}
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}
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