Add controllers

pom.xml

@@ -82,6 +82,32 @@
 					</excludes>
 				</configuration>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-checkstyle-plugin</artifactId>
+				<version>3.1.2</version>
+				<configuration>
+					<configLocation>checkstyle.xml</configLocation>
+					<failOnViolation>true</failOnViolation>
+					<logViolationsToConsole>true</logViolationsToConsole>
+					<includeTestSourceDirectory>true</includeTestSourceDirectory>
+				</configuration>
+				<executions>
+					<execution>
+						<goals>
+							<goal>check</goal>
+						</goals>
+						<phase>compile</phase>
+					</execution>
+				</executions>
+				<dependencies>
+					<dependency>
+						<groupId>com.puppycrawl.tools</groupId>
+						<artifactId>checkstyle</artifactId>
+						<version>10.3</version>
+					</dependency>
+				</dependencies>
+			</plugin>
 		</plugins>
 		<pluginManagement>
 			<plugins>

src/main/java/ru/practicum/shareit/ShareItApp.java

@@ -9,5 +9,4 @@ public class ShareItApp {
 	public static void main(String[] args) {
 		SpringApplication.run(ShareItApp.class, args);
 	}
-
 }

src/main/java/ru/practicum/shareit/booking/BookingStatus.java

@@ -0,0 +1,8 @@
+package ru.practicum.shareit.booking;
+
+public enum BookingStatus {
+    WAITING,
+    APPROVED,
+    REJECTED,
+    CANCELED
+}

src/main/java/ru/practicum/shareit/booking/dto/BookingDto.java

@@ -1,7 +1,23 @@
 package ru.practicum.shareit.booking.dto;
 
-/**
- * TODO Sprint add-bookings.
- */
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+import ru.practicum.shareit.booking.BookingStatus;
+import ru.practicum.shareit.item.model.Item;
+import ru.practicum.shareit.user.model.User;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+@FieldDefaults(level = AccessLevel.PRIVATE)
 public class BookingDto {
+    Long id;
+    LocalDateTime start;
+    LocalDateTime end;
+    Item item;
+    User booker;
+    BookingStatus status;
 }

src/main/java/ru/practicum/shareit/booking/model/Booking.java

@@ -0,0 +1,23 @@
+package ru.practicum.shareit.booking.model;
+
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+import ru.practicum.shareit.booking.BookingStatus;
+import ru.practicum.shareit.item.model.Item;
+import ru.practicum.shareit.user.model.User;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+@FieldDefaults(level = AccessLevel.PRIVATE)
+public class Booking {
+    Long id;
+    LocalDateTime start;
+    LocalDateTime end;
+    Item item;
+    User booker;
+    BookingStatus status;
+}

src/main/java/ru/practicum/shareit/exception/DuplicateValidationException.java

@@ -0,0 +1,7 @@
+package ru.practicum.shareit.exception;
+
+public class DuplicateValidationException extends RuntimeException {
+    public DuplicateValidationException(String message) {
+        super(message);
+    }
+}

src/main/java/ru/practicum/shareit/exception/ExceptionsHandler.java

@@ -0,0 +1,35 @@
+package ru.practicum.shareit.exception;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice
+@Slf4j
+public class ExceptionsHandler {
+
+    @ExceptionHandler(NotFoundException.class)
+    @ResponseStatus(HttpStatus.NOT_FOUND)
+    public ErrorResponse handleNotFoundError(NotFoundException exception) {
+        log.warn("Не найдена сущность для запроса {}", exception.getMessage());
+        return new ErrorResponse("Не найдено", exception.getMessage());
+    }
+
+    @ExceptionHandler(DuplicateValidationException.class)
+    @ResponseStatus(HttpStatus.CONFLICT)
+    public ErrorResponse handleDuplicateError(DuplicateValidationException exception) {
+        log.error("Конфликт данных {}", exception.getMessage());
+        return new ErrorResponse("Дупликация информации:", exception.getMessage());
+    }
+
+    @ExceptionHandler(ForbiddenException.class)
+    @ResponseStatus(HttpStatus.FORBIDDEN)
+    public ErrorResponse handleForbiddenError(ForbiddenException exception) {
+        log.error("Попытка запроса на лицом с недостаточными правами {}", exception.getMessage());
+        return new ErrorResponse("Доступ запрещен:", exception.getMessage());
+    }
+
+    public record ErrorResponse(String error, String details) {}
+}

src/main/java/ru/practicum/shareit/exception/ForbiddenException.java

@@ -0,0 +1,7 @@
+package ru.practicum.shareit.exception;
+
+public class ForbiddenException extends RuntimeException {
+    public ForbiddenException(String message) {
+        super(message);
+    }
+}

src/main/java/ru/practicum/shareit/exception/NotFoundException.java

@@ -0,0 +1,7 @@
+package ru.practicum.shareit.exception;
+
+public class NotFoundException extends RuntimeException {
+    public NotFoundException(String message) {
+        super(message);
+    }
+}

src/main/java/ru/practicum/shareit/item/ItemController.java

@@ -1,12 +1,51 @@
 package ru.practicum.shareit.item;
 
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.Positive;
+import lombok.AllArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+import ru.practicum.shareit.item.dto.ItemDto;
+import ru.practicum.shareit.item.dto.UpdateItemDto;
+import ru.practicum.shareit.item.service.ItemService;
+
+import java.util.Collection;
 
-/**
- * TODO Sprint add-controllers.
- */
 @RestController
 @RequestMapping("/items")
+@AllArgsConstructor
 public class ItemController {
+
+    private static final String USER_ID_HEADER = "X-Sharer-User-Id";
+    private final ItemService itemService;
+
+    @GetMapping
+    public Collection<ItemDto> getAllByUser(@RequestHeader(USER_ID_HEADER) Long userId) {
+        return itemService.getAllByUser(userId);
+    }
+
+    @GetMapping("/{itemId}")
+    public ItemDto getById(@RequestHeader(USER_ID_HEADER) Long userId,
+                           @PathVariable Long itemId) {
+        return itemService.getById(userId, itemId);
+    }
+
+    @PostMapping
+    public ItemDto create(@RequestHeader(USER_ID_HEADER) Long userId,
+                          @RequestBody @Valid ItemDto item) {
+        return itemService.create(userId, item);
+    }
+
+    @PatchMapping("/{itemId}")
+    public ItemDto update(@RequestHeader(USER_ID_HEADER) Long userId,
+                          @PathVariable @Positive Long itemId,
+                          @RequestBody @Valid UpdateItemDto item) {
+        return itemService.update(userId, itemId, item);
+    }
+
+    @GetMapping("/search")
+    public Collection<ItemDto> search(@RequestHeader(USER_ID_HEADER) Long userId,
+                                      @RequestParam(name = "text") String text) {
+        return itemService.search(userId, text);
+    }
+
 }

src/main/java/ru/practicum/shareit/item/dto/ItemDto.java

@@ -1,7 +1,22 @@
 package ru.practicum.shareit.item.dto;
 
-/**
- * TODO Sprint add-controllers.
- */
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+
+@Data
+@Builder
+@FieldDefaults(level = AccessLevel.PRIVATE)
 public class ItemDto {
+    Long id;
+    @NotBlank
+    String name;
+    @NotBlank
+    String description;
+    @NotNull
+    Boolean available;
+    Long requestId;
 }

src/main/java/ru/practicum/shareit/item/dto/UpdateItemDto.java

@@ -0,0 +1,13 @@
+package ru.practicum.shareit.item.dto;
+
+import lombok.AccessLevel;
+import lombok.Data;
+import lombok.experimental.FieldDefaults;
+
+@Data
+@FieldDefaults(level = AccessLevel.PRIVATE)
+public class UpdateItemDto {
+    String name;
+    String description;
+    Boolean available;
+}

src/main/java/ru/practicum/shareit/item/mapper/ItemMapper.java

@@ -0,0 +1,28 @@
+package ru.practicum.shareit.item.mapper;
+
+import lombok.experimental.UtilityClass;
+import ru.practicum.shareit.item.dto.ItemDto;
+import ru.practicum.shareit.item.model.Item;
+
+@UtilityClass
+public class ItemMapper {
+
+    public ItemDto toItemDto(Item item) {
+        return ItemDto.builder()
+                .id(item.getId())
+                .name(item.getName())
+                .description(item.getDescription())
+                .available(item.isAvailable())
+                .requestId(item.getRequest() == null ? null : item.getRequest().getId())
+                .build();
+    }
+
+    public Item toItem(ItemDto itemDto) {
+        return Item.builder()
+                .id(itemDto.getId())
+                .name(itemDto.getName())
+                .description(itemDto.getDescription())
+                .available(itemDto.getAvailable())
+                .build();
+    }
+}

src/main/java/ru/practicum/shareit/item/model/Item.java

@@ -1,7 +1,20 @@
 package ru.practicum.shareit.item.model;
 
-/**
- * TODO Sprint add-controllers.
- */
+import lombok.*;
+import lombok.experimental.FieldDefaults;
+import ru.practicum.shareit.request.ItemRequest;
+import ru.practicum.shareit.user.model.User;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+@FieldDefaults(level = AccessLevel.PRIVATE)
 public class Item {
+    Long id;
+    String name;
+    String description;
+    boolean available;
+    User owner;
+    ItemRequest request;
 }

src/main/java/ru/practicum/shareit/item/repository/InMemoryItemRepository.java

@@ -0,0 +1,66 @@
+package ru.practicum.shareit.item.repository;
+
+import org.springframework.stereotype.Repository;
+import ru.practicum.shareit.item.dto.UpdateItemDto;
+import ru.practicum.shareit.item.model.Item;
+
+import java.util.*;
+
+@Repository
+public class InMemoryItemRepository implements ItemRepository {
+
+    private final HashMap<Long, Item> items = new HashMap<>();
+
+    @Override
+    public Optional<Item> getById(Long itemId) {
+        return Optional.ofNullable(items.get(itemId));
+    }
+
+    @Override
+    public Collection<Item> getByUserId(Long id) {
+        return items.values().stream()
+                .filter(item -> Objects.equals(item.getOwner().getId(), id))
+                .toList();
+    }
+
+    @Override
+    public Item create(Item item) {
+        item.setId(generateNextId());
+        items.put(item.getId(), item);
+        return item;
+    }
+
+    @Override
+    public Item update(Item item, UpdateItemDto updateItem) {
+        if (updateItem.getName() != null && !updateItem.getName().isBlank()) {
+            item.setName(updateItem.getName());
+        }
+
+        if (updateItem.getDescription() != null && !updateItem.getDescription().isBlank()) {
+            item.setDescription(updateItem.getDescription());
+        }
+
+        if (updateItem.getAvailable() != null) {
+            item.setAvailable(updateItem.getAvailable());
+        }
+        return item;
+    }
+
+    @Override
+    public Collection<Item> searchItems(String text) {
+        if (text.isBlank()) return Collections.emptyList();
+
+        return items.values().stream()
+                .filter(Item::isAvailable)
+                .filter(item -> item.getName().toLowerCase().contains(text.toLowerCase()) ||
+                        item.getDescription().toLowerCase().contains(text.toLowerCase()))
+                .toList();
+    }
+
+    private Long generateNextId() {
+        Long nextId = items.keySet().stream()
+                .max(Long::compareTo)
+                .orElse(0L);
+        return ++nextId;
+    }
+}