feat: ТЗ 16. Добавить докер и многомодульность

docker-compose.yml

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+version: '3.8'
+services:
+  gateway:
+    build: gateway
+    image: gateway-image
+    container_name: gateway-container
+    ports:
+      - "8080:8080"
+    depends_on:
+      - server
+    environment:
+      - SHAREIT_SERVER_URL=http://server:9090
+
+  server:
+    build: server
+    image: server-image
+    container_name: server-container
+    ports:
+      - "9090:9090"
+    depends_on:
+      - db
+    environment:
+      - SPRING_DATASOURCE_URL=jdbc:postgresql://db:5432/shareIt
+      - SPRING_DATASOURCE_USERNAME=root
+      - SPRING_DATASOURCE_PASSWORD=root
+      - SPRING_DRIVER_CLASS_NAME=org.postgresql.Driver
+
+  db:
+    image: postgres:14-alpine
+    container_name: db-container
+    ports:
+      - "6541:5432"
+    environment:
+      - POSTGRES_PASSWORD=root
+      - POSTGRES_USER=root
+      - POSTGRES_DB=shareIt

gateway/.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

gateway/Dockerfile

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+FROM amazoncorretto:11-alpine-jdk
+COPY target/*.jar app.jar
+ENTRYPOINT ["java","-jar","/app.jar"]

gateway/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>ru.practicum</groupId>
+        <artifactId>shareit</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>shareit-gateway</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+
+    <name>ShareIt Gateway</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-actuator</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

gateway/src/main/java/ru/practicum/shareit/ShareItGateway.java

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+package ru.practicum.shareit;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class ShareItGateway {
+	public static void main(String[] args) {
+		SpringApplication.run(ShareItGateway.class, args);
+	}
+
+}

gateway/src/main/java/ru/practicum/shareit/booking/BookingClient.java

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+package ru.practicum.shareit.booking;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.web.client.RestTemplateBuilder;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.stereotype.Service;
+import org.springframework.web.util.DefaultUriBuilderFactory;
+import ru.practicum.shareit.booking.dto.BookItemRequestDto;
+import ru.practicum.shareit.booking.dto.BookingState;
+import ru.practicum.shareit.client.BaseClient;
+
+import java.util.Map;
+
+@Service
+public class BookingClient extends BaseClient {
+    private static final String API_PREFIX = "/bookings";
+
+    @Autowired
+    public BookingClient(@Value("${shareit-server.url}") String serverUrl, RestTemplateBuilder builder) {
+        super(
+                builder
+                        .uriTemplateHandler(new DefaultUriBuilderFactory(serverUrl + API_PREFIX))
+                        .requestFactory(HttpComponentsClientHttpRequestFactory::new)
+                        .build()
+        );
+    }
+
+    public ResponseEntity<Object> getBookings(long userId, BookingState state, Integer from, Integer size) {
+        Map<String, Object> parameters = Map.of(
+                "state", state.name(),
+                "from", from,
+                "size", size
+        );
+        return get("?state={state}&from={from}&size={size}", userId, parameters);
+    }
+
+
+    public ResponseEntity<Object> bookItem(long userId, BookItemRequestDto requestDto) {
+        return post("", userId, requestDto);
+    }
+
+    public ResponseEntity<Object> getBooking(long userId, Long bookingId) {
+        return get("/" + bookingId, userId);
+    }
+
+    public ResponseEntity<Object> updateBooking(long userId, Long bookingId, Boolean approved) {
+        return patch("/" + bookingId + "?approved=" + approved, userId);
+    }
+
+    public ResponseEntity<Object> getOwnerBookings(long userId, BookingState state, Integer from, Integer size) {
+        Map<String, Object> parameters = Map.of(
+                "state", state.name(),
+                "from", from,
+                "size", size
+        );
+        return get("/owner?state={state}&from={from}&size={size}", userId, parameters);
+    }
+}

gateway/src/main/java/ru/practicum/shareit/booking/BookingController.java

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+package ru.practicum.shareit.booking;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+import ru.practicum.shareit.booking.dto.BookItemRequestDto;
+import ru.practicum.shareit.booking.dto.BookingState;
+
+import javax.validation.Valid;
+import javax.validation.constraints.Positive;
+import javax.validation.constraints.PositiveOrZero;
+
+import static ru.practicum.shareit.Constant.USER_HEADER;
+
+@Controller
+@RequestMapping(path = "/bookings")
+@RequiredArgsConstructor
+@Slf4j
+@Validated
+public class BookingController {
+    private final BookingClient bookingClient;
+
+    @GetMapping
+    public ResponseEntity<Object> getBookings(@RequestHeader(USER_HEADER) long userId,
+                                              @RequestParam(name = "state", defaultValue = "all") String stateParam,
+                                              @PositiveOrZero @RequestParam (name = "from", defaultValue = "0") Integer from,
+                                              @Positive @RequestParam (name = "size", defaultValue = "10") Integer size) {
+        BookingState state = BookingState.from(stateParam)
+                .orElseThrow(() -> new IllegalArgumentException("Unknown state: " + stateParam));
+        log.info("BOOKING_GATEWAY: Get booking with state {}, userId={}, from={}, size={}", stateParam, userId, from, size);
+        return bookingClient.getBookings(userId, state, from, size);
+    }
+
+    @PostMapping
+    public ResponseEntity<Object> bookItem(@RequestHeader(USER_HEADER) long userId,
+                                           @RequestBody @Valid BookItemRequestDto requestDto) {
+        log.info("BOOKING_GATEWAY: Creating booking {}, userId={}", requestDto, userId);
+        return bookingClient.bookItem(userId, requestDto);
+    }
+
+    @GetMapping("/{bookingId}")
+    public ResponseEntity<Object> getBooking(@RequestHeader(USER_HEADER) long userId,
+                                             @PathVariable Long bookingId) {
+        log.info("BOOKING_GATEWAY: Get booking {}, userId={}", bookingId, userId);
+        return bookingClient.getBooking(userId, bookingId);
+    }
+
+    @PatchMapping("/{bookingId}")
+    public ResponseEntity<Object> updateBooking(@RequestHeader(USER_HEADER) @Positive long userId,
+                                                @PathVariable @Positive Long bookingId,
+                                                @RequestParam Boolean approved) {
+        log.info("BOOKING_GATEWAY: Update booking {}, userId={}", bookingId, userId);
+        return bookingClient.updateBooking(userId, bookingId, approved);
+    }
+
+    @GetMapping("/owner")
+    public ResponseEntity<Object> getOwnerBookings(@RequestHeader(USER_HEADER) long userId,
+                                                    @RequestParam(name = "state", defaultValue = "all") String stateParam,
+                                                    @PositiveOrZero @RequestParam(name = "from", defaultValue = "0") Integer from,
+                                                    @Positive @RequestParam(name = "size", defaultValue = "10") Integer size) {
+        log.info("BOOKING_GATEWAY: Get booking with state {}, ownerId={}, from={}, size={}", stateParam, userId, from, size);
+        BookingState state = BookingState.from(stateParam)
+                .orElseThrow(() -> new IllegalArgumentException("Unknown state: " + stateParam));
+        return bookingClient.getOwnerBookings(userId, state, from, size);
+    }
+}

gateway/src/main/java/ru/practicum/shareit/booking/dto/BookItemRequestDto.java

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+package ru.practicum.shareit.booking.dto;
+
+import java.time.LocalDateTime;
+
+import javax.validation.constraints.Future;
+import javax.validation.constraints.FutureOrPresent;
+import javax.validation.constraints.NotNull;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+public class BookItemRequestDto {
+	private long itemId;
+	@NotNull(message = "Дата начала брони не может быть null")
+	@FutureOrPresent(message = "Дата начала брони не может быть в прошлом")
+	private LocalDateTime start;
+	@NotNull(message = "Дата завершения брони не может быть null")
+	@Future(message = "Дата завершения брони должна быть в будущем")
+	private LocalDateTime end;
+}

gateway/src/main/java/ru/practicum/shareit/booking/dto/BookingState.java

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+package ru.practicum.shareit.booking.dto;
+
+import java.util.Optional;
+
+public enum BookingState {
+	// Все
+	ALL,
+	// Текущие
+	CURRENT,
+	// Будущие
+	FUTURE,
+	// Завершенные
+	PAST,
+	// Отклоненные
+	REJECTED,
+	// Ожидающие подтверждения
+	WAITING;
+
+	public static Optional<BookingState> from(String stringState) {
+		for (BookingState state : values()) {
+			if (state.name().equalsIgnoreCase(stringState)) {
+				return Optional.of(state);
+			}
+		}
+		return Optional.empty();
+	}
+}