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8254f5292b
...
f0b79f0db0
@ -3,13 +3,12 @@ package ru.kamask.pet.todo;
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import java.io.IOException;
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import ru.kamask.pet.todo.cli.CliEngine;
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import ru.kamask.pet.todo.model.SimpleTask;
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import ru.kamask.pet.todo.repo.InMemoryRepository;
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import ru.kamask.pet.todo.repo.InMemoryTaskRepository;
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import ru.kamask.pet.todo.service.TaskService;
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public class TodoApp {
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public static void main(String[] args) throws IOException {
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var service = new TaskService(new InMemoryRepository<SimpleTask>());
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var service = new TaskService(new InMemoryTaskRepository());
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var cli = new CliEngine(service);
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cli.start();
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@ -7,15 +7,14 @@ import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.service.EntityService;
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import ru.kamask.pet.todo.service.TaskService;
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public class CliEngine {
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private HashMap<String, Command> registry = new HashMap<>();
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private EntityService<? extends Identifiable> service;
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private TaskService service;
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private BufferedReader reader;
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public CliEngine(EntityService<? extends Identifiable> service) {
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public CliEngine(TaskService service) {
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this.service = service;
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reader = new BufferedReader(new InputStreamReader(System.in));
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initializeCommands();
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@ -2,14 +2,13 @@ package ru.kamask.pet.todo.cli;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.service.EntityService;
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import ru.kamask.pet.todo.service.TaskService;
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public interface Command {
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String templateUsage = " %-30s // %s";
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String errorMessage = "Не корректно введена команда. Введите help для спарвки.";
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Optional<String> handle(String[] args, EntityService<? extends Identifiable> service);
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Optional<String> handle(String[] args, TaskService service);
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String name();
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@ -2,8 +2,6 @@ package ru.kamask.pet.todo.cli;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.service.EntityService;
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import ru.kamask.pet.todo.service.TaskService;
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public class CompleteCommand implements Command {
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@ -18,16 +16,14 @@ public class CompleteCommand implements Command {
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}
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@Override
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public Optional<String> handle(String[] args, EntityService<? extends Identifiable> service) {
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public Optional<String> handle(String[] args, TaskService service) {
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if (args.length != 1)
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return Optional.of(Command.errorMessage);
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TaskService taskService = (TaskService) service;
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try {
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int id = Integer.parseInt(args[0]);
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return Optional.of(taskService.complete(id)
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return Optional.of(service.complete(id)
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? "Задача ID-%d выполнена.".formatted(id)
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: "Задача ID-%d не найдена.".formatted(id));
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@ -2,8 +2,6 @@ package ru.kamask.pet.todo.cli;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.service.EntityService;
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import ru.kamask.pet.todo.service.TaskService;
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public class CreateCommand implements Command {
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@ -13,13 +11,12 @@ public class CreateCommand implements Command{
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}
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@Override
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public Optional<String> handle(String[] args, EntityService<? extends Identifiable> service) {
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public Optional<String> handle(String[] args, TaskService service) {
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if (args.length > 0) {
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var title = String.join(" ", args);
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if (title.length() > 30)
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return Optional.of("Ошибка: максимальная длинна названия задачи 30 символов.");
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TaskService taskService = (TaskService) service;
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taskService.create(title);
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service.create(title);
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return Optional.of(String.format("Задача \"%s\" успешно добавлена!", title));
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}
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return Optional.of(Command.errorMessage);
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@ -2,8 +2,7 @@ package ru.kamask.pet.todo.cli;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.service.EntityService;
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import ru.kamask.pet.todo.service.TaskService;
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public class DeleteCommand implements Command {
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@Override
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@ -17,7 +16,7 @@ public class DeleteCommand implements Command{
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}
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@Override
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public Optional<String> handle(String[] args, EntityService<? extends Identifiable> service) {
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public Optional<String> handle(String[] args, TaskService service) {
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if (args.length != 1)
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return Optional.of(Command.errorMessage);
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@ -3,9 +3,8 @@ package ru.kamask.pet.todo.cli;
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import java.util.List;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.model.SimpleTask;
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import ru.kamask.pet.todo.service.EntityService;
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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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@ -15,12 +14,11 @@ public class ListCommand implements Command {
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}
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@Override
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public Optional<String> handle(String[] args, EntityService<? extends Identifiable> service) {
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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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TaskService taskService = (TaskService) service;
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List<SimpleTask> allTasks = taskService.getAll();
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var res = formatWithTable(allTasks, "Список задач пуст.");
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var res = formatWithTable(service.list(), "Список задач пуст.");
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return Optional.of(res);
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}
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@ -30,7 +28,7 @@ public class ListCommand implements Command {
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return String.format(templateUsage, name(), "Список всех задач.");
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}
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String formatWithTable(List<SimpleTask> tasks, String msgIfEmpty) {
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String formatWithTable(List<Task> tasks, String msgIfEmpty) {
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String template = "%-2s | %-30s | %s\n";
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var res = new StringBuilder(String.format(template, "ID", "Название задачи", "Статус"));
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res.append("-".repeat(50) + "\n");
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@ -38,8 +36,8 @@ public class ListCommand implements Command {
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if (tasks.size() == 0)
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return res.append("\n" + msgIfEmpty).toString();
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for (SimpleTask task : tasks) {
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SimpleTask.Data data = task.data();
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for (Task task : tasks) {
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SimpleTask.Data data = ((SimpleTask) task).data();
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res.append(String.format(template, data.id(), data.title(), data.done() ? "выполнено" : "не выполнено"));
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}
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@ -2,8 +2,6 @@ package ru.kamask.pet.todo.cli;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.service.EntityService;
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import ru.kamask.pet.todo.service.TaskService;
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public class SearchCommand implements Command {
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@ -18,15 +16,13 @@ public class SearchCommand implements Command {
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}
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@Override
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public Optional<String> handle(String[] args, EntityService<? extends Identifiable> service) {
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public Optional<String> handle(String[] args, TaskService service) {
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if (args.length != 1)
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return Optional.of(Command.errorMessage);
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if (args[0].length() < 3)
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return Optional.of("Длина запроса должна быть не менее 3 символов.");
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TaskService taskService = (TaskService) service;
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var matchTask = taskService.search(args[0]);
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var matchTask = service.search(args[0]);
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var res = new ListCommand().formatWithTable(matchTask, "Не найдено задач, соответствующих запросу.");
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return Optional.of(res);
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@ -1,5 +0,0 @@
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package ru.kamask.pet.todo.model;
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public interface Identifiable {
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int getId();
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}
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@ -1,6 +1,6 @@
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package ru.kamask.pet.todo.model;
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public abstract class Task implements Identifiable{
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public abstract class Task {
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private static int nextId = 1;
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protected int id;
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@ -11,13 +11,8 @@ public abstract class Task implements Identifiable{
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this.title = title;
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}
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@Override
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public int getId() {
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return id;
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}
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public int id() {
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return getId();
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return id;
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}
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@Override
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@ -6,23 +6,23 @@ import java.util.List;
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import java.util.Map;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.model.Task;
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public class InMemoryRepository<T extends Identifiable> implements Repository<T> {
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private Map<Integer, T> storage = new HashMap<>();
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public class InMemoryTaskRepository implements TaskRepository {
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private Map<Integer, Task> storage = new HashMap<>();
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@Override
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public void save(T obj) {
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storage.put(obj.getId(), obj);
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public void save(Task task) {
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storage.put(task.id(), task);
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}
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@Override
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public Optional<T> findById(int id) {
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public Optional<Task> findById(int id) {
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return Optional.ofNullable(storage.get(id));
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}
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@Override
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public List<T> findAll() {
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public List<Task> findAll() {
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return new ArrayList<>(storage.values());
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}
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@ -1,14 +0,0 @@
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package ru.kamask.pet.todo.repo;
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import java.util.List;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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public interface Repository<T extends Identifiable> {
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void save(T obj);
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Optional<T> findById(int id);
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List<T> findAll();
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void delete(int id);
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boolean has(int id);
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}
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@ -0,0 +1,18 @@
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package ru.kamask.pet.todo.repo;
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import java.util.List;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Task;
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public interface TaskRepository {
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void save(Task task);
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Optional<Task> findById(int id);
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List<Task> findAll();
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void delete(int id);
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boolean has(int id);
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}
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@ -1,35 +0,0 @@
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package ru.kamask.pet.todo.service;
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import java.util.List;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Identifiable;
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import ru.kamask.pet.todo.repo.Repository;
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public class EntityService<T extends Identifiable> {
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private final Repository<T> repo;
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protected EntityService(Repository<T> repo) {
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this.repo = repo;
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}
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public void save(T obj) {
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repo.save(obj);
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}
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public Optional<T> getById(int id) {
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return repo.findById(id);
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}
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public List<T> getAll() {
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return repo.findAll();
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}
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public void remove(int id) {
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repo.delete(id);
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}
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public boolean has(int id) {
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return repo.has(id);
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}
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}
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@ -1,23 +1,29 @@
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package ru.kamask.pet.todo.service;
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import java.util.List;
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import java.util.Optional;
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import ru.kamask.pet.todo.model.Task;
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import ru.kamask.pet.todo.model.SimpleTask;
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import ru.kamask.pet.todo.repo.Repository;
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import ru.kamask.pet.todo.repo.TaskRepository;
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public class TaskService extends EntityService<SimpleTask> {
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public class TaskService {
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private final TaskRepository repo;
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public TaskService(Repository<SimpleTask> repo) {
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super(repo);
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public TaskService(TaskRepository repo) {
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this.repo = repo;
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}
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public void create(String title) {
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super.save(new SimpleTask(title));
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repo.save(new SimpleTask(title));
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}
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public Optional<Task> getById(int id) {
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return repo.findById(id);
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}
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public boolean complete(int id) {
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var taskOpt = super.getById(id);
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var taskOpt = repo.findById(id);
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if (taskOpt.isPresent()) {
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taskOpt.get().markAsCompleted();
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return true;
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@ -25,10 +31,21 @@ public class TaskService extends EntityService<SimpleTask> {
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return false;
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}
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public List<Task> list() {
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return repo.findAll();
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}
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public List<SimpleTask> search(String query) {
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return super.getAll().stream()
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.filter(task -> task.data().title().contains(query))
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public void remove(int id) {
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repo.delete(id);
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}
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public boolean has(int id) {
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return repo.has(id);
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}
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public List<Task> search(String query) {
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return repo.findAll().stream()
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.filter(task -> ((SimpleTask) task).data().title().contains(query))
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.toList();
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}
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}
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