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Merge pull request 'borschevskaya_anna_lab_3 is ready' (#38) from borschevskaya_anna_lab_3 into main

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Alexey 2024-10-07 23:07:51 +04:00
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# Отчет. Лабораторная работа 3
## Описание
В рамках лабораторной работы № 3 были реализованы два сервиса (Java + Spring), осуществляющие CRUD-операции над сущностями.
Модель данных следующая:
Сущность "Компания" (сервис company)
- идентификатор компании
- название
- адрес
Сущность "Вакансия" (сервис vacancy)
- идентификатор вакансии
- название
- описание
- нижняя граница зарплаты
- верхняя граница зарплаты
- идентификатор компании
Компания с вакансией связана как "один ко многим".
Каждый из сервисов имеет API с пятью эндпоинтами. При этом в сервисе vacancy при запросе вакансии по id происходит
дополнительный запрос в сервис company для получения информации по компании, связанной с вакансией.
Происходит это взаимодействие с помощью библиотеки OpenFeign, которая "под капотом" использует HttpClient.
В качестве хранилища данных использовалась СУБД Postgres. У каждого сервиса своя база данных в поднятой СУБД.
Для создания схемы БД была использована библиотека Flyway, которая применила написанные миграции при старте приложения.
Запросы к сервисам проксирует шлюз на основе Nginx. Для этого перед запуском nginx был описан конфигурационный файл nginx.conf,
в котором описан прослушиваемый порт и название сервера (в блоке server), маршруты до микросервисов и параметры проксирования (в блоке location).
Таким образом, с помощью Docker Compose были подняты сервисы:
- company
- vacancy
- postgres
- nginx
## Как запустить
Для того, чтобы запустить сервисы, необходимо выполнить следующие действия:
1. Установить и запустить Docker Engine или Docker Desktop
2. Через консоль перейти в папку, в которой расположен файл docker-compose.yml
3. Выполнить команду:
```
docker compose up --build
```
В случае успешного запуска всех контейнеров в консоли будет выведено следующее сообщение:
```
[+] Running 5/5
✔ Network borschevskaya_anna_lab_3_default Created 0.0s
✔ Container postgres Started 0.6s
✔ Container vacancy Started 1.1s
✔ Container company Started 0.9s
✔ Container borschevskaya_anna_lab_3-nginx-1 Started
```
Далее можно осуществлять запросы к сервисам по адресу http://localhost/{location}, где часть пути location меняется в зависимости от сервиса и запроса.
## Видео-отчет
Работоспособность лабораторной работы можно оценить в следующем [видео](https://disk.yandex.ru/i/KPNBfnlcgl1auw).
Демонстрация взаимодействия с системой производится с применением сервиса Postman.

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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

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# Используем образ Maven для сборки
FROM maven:3.8-eclipse-temurin-21-alpine AS build
# Устанавливаем рабочую директорию
WORKDIR /app
# Копируем остальные исходные файлы
COPY pom.xml .
COPY src src
# Собираем весь проект
RUN mvn clean package -DskipTests
# Используем официальный образ JDK для запуска собранного jar-файла
FROM eclipse-temurin:21-jdk-alpine
# Копируем jar-файл из предыдущего этапа
COPY --from=build /app/target/*.jar /app.jar
# Указываем команду для запуска приложения
CMD ["java", "-jar", "app.jar"]

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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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ru.somecompany</groupId>
<artifactId>company-service</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.2.3</version>
<relativePath/>
</parent>
<properties>
<maven.compiler.source>21</maven.compiler.source>
<maven.compiler.target>21</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-core</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.30</version>
</dependency>
<dependency>
<groupId>io.swagger.core.v3</groupId>
<artifactId>swagger-annotations</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>org.springdoc</groupId>
<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
<version>2.3.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/CompanyApplication.java Normal file
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package ru.somecompany;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class CompanyApplication {
public static void main(String[] args) {
SpringApplication.run(CompanyApplication.class, args);
}
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/controller/CompanyController.java Normal file
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package ru.somecompany.controller;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.validation.constraints.NotNull;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import ru.somecompany.domain.CompanyEntity;
import ru.somecompany.domain.CreateCompanyRequest;
import java.util.List;
import java.util.UUID;
@Validated
@Tag(name = "company", description = "API для управления компаниями")
public interface CompanyController {
@Operation(summary = "Получение всех компаний")
@GetMapping(value = "/api/v1/company")
List<CompanyEntity> getCompanies();
@Operation(summary = "Создание компании")
@PostMapping(value = "/api/v1/company")
CompanyEntity createCompany(@RequestBody @NotNull CreateCompanyRequest companyRequest);
@Operation(summary = "Получение информации о компании по id")
@GetMapping(value = "/api/v1/company/{companyId}")
CompanyEntity getCompany(@PathVariable UUID companyId);
@Operation(summary = "Редактирование компании")
@PutMapping(value = "/api/v1/company/{companyId}")
CompanyEntity updateCompany(@PathVariable UUID companyId,
@RequestBody @NotNull CreateCompanyRequest companyRequest);
@Operation(summary = "Удалении компании по id")
@DeleteMapping(value = "/api/v1/company/{companyId}")
void deleteCompany(@PathVariable UUID companyId);
}

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package ru.somecompany.controller;
import lombok.RequiredArgsConstructor;
import org.springframework.web.bind.annotation.RestController;
import ru.somecompany.domain.CompanyEntity;
import ru.somecompany.domain.CreateCompanyRequest;
import ru.somecompany.service.CompanyService;
import java.util.List;
import java.util.UUID;
@RestController
@RequiredArgsConstructor
public class CompanyControllerImpl implements CompanyController {
private final CompanyService companyService;
@Override
public List<CompanyEntity> getCompanies() {
return companyService.getCompanies();
}
@Override
public CompanyEntity createCompany(CreateCompanyRequest companyRequest) {
return companyService.createCompany(companyRequest);
}
@Override
public CompanyEntity getCompany(UUID companyId) {
return companyService.getCompany(companyId);
}
@Override
public CompanyEntity updateCompany(UUID companyId, CreateCompanyRequest companyRequest) {
return companyService.updateCompany(companyId, companyRequest);
}
@Override
public void deleteCompany(UUID companyId) {
companyService.deleteCompany(companyId);
}
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/domain/CompanyEntity.java Normal file
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package ru.somecompany.domain;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.util.UUID;
@Data
@Entity
@Builder
@Table(name = "company")
@AllArgsConstructor
@NoArgsConstructor
public class CompanyEntity {
@Id
@GeneratedValue
private UUID id;
@Column(name = "name", unique = true, nullable = false)
private String name;
@Column(name = "address", unique = true, nullable = false)
private String address;
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/domain/CreateCompanyRequest.java Normal file
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package ru.somecompany.domain;
import lombok.AllArgsConstructor;
import lombok.Data;
@Data
@AllArgsConstructor
public class CreateCompanyRequest {
private String name;
private String address;
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/exception/AbstractWebExceptionHandler.java Normal file
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package ru.somecompany.exception;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import java.time.LocalDateTime;
import static org.springframework.http.HttpStatus.NOT_FOUND;
@Slf4j
public abstract class AbstractWebExceptionHandler {
public static ResponseEntity<ResponseError> buildResponse(ErrorCode errorCode, HttpStatus status, String msg,
boolean details, Throwable ex) {
return buildResponse(errorCode.name(), status, msg, details, ex, LocalDateTime.now());
}
public static ResponseEntity<ResponseError> buildResponse(String errorCode, HttpStatus status, String msg,
boolean details, Throwable ex, LocalDateTime timestamp) {
if (details) {
log.error(msg, ex); // with stack-trace
} else {
var message = StringUtils.equals(msg, ex.getMessage()) ? msg : msg + ": " + ex.getMessage();
if (status == NOT_FOUND) {
log.warn(message);
} else {
log.error(message);
}
}
return ResponseEntity.status(status.value())
.body(ResponseError.builder()
.code(errorCode)
.message(msg)
.timestamp(timestamp)
.status(status.value())
.build());
}
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/exception/BasicError.java Normal file
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package ru.somecompany.exception;
public enum BasicError implements ErrorCode {
NOT_FOUND
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/exception/CompanyAppRuntimeException.java Normal file
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package ru.somecompany.exception;
import lombok.Getter;
import org.springframework.http.HttpStatus;
@Getter
public class CompanyAppRuntimeException extends RuntimeException {
private final ErrorCode errorCode;
private final HttpStatus status;
private final boolean details;
public CompanyAppRuntimeException(ErrorCode errorCode, HttpStatus status, String message) {
this(errorCode, status, message, null);
}
public CompanyAppRuntimeException(ErrorCode errorCode, HttpStatus status, String message, Throwable error) {
this(errorCode, status, message, true, error);
}
public CompanyAppRuntimeException(ErrorCode errorCode, HttpStatus status, String message, boolean details, Throwable error) {
super(message, error);
this.errorCode = errorCode;
this.status = status;
this.details = details;
}
}

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package ru.somecompany.exception;
import java.io.Serializable;
public interface ErrorCode extends Serializable {
String name();
}

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package ru.somecompany.exception;
import org.springframework.http.HttpStatus;
import static ru.somecompany.exception.BasicError.NOT_FOUND;
public class ResourceNotFoundException extends CompanyAppRuntimeException {
public ResourceNotFoundException(ErrorCode errorCode, String message) {
this(errorCode, message, null);
}
public ResourceNotFoundException(ErrorCode errorCode, String message, Throwable error) {
super(errorCode, HttpStatus.NOT_FOUND, message, error);
}
public static ResourceNotFoundException notFound(String message, Object... args) {
return new ResourceNotFoundException(NOT_FOUND, String.format(message, args), null);
}
public static ResourceNotFoundException notFound() {
return new ResourceNotFoundException(NOT_FOUND, "Запрашиваемые данные не найдены", null);
}
public static ResourceNotFoundException notFound(Throwable error) {
return new ResourceNotFoundException(NOT_FOUND, error.getMessage(), error);
}
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/exception/ResponseError.java Normal file
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package ru.somecompany.exception;
import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.time.LocalDateTime;
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class ResponseError {
@JsonProperty(required = true)
private LocalDateTime timestamp;
@JsonProperty(required = true)
private Integer status;
@JsonProperty(required = true)
private String message;
@JsonProperty(required = true)
private String code;
}

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package ru.somecompany.exception;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
@Slf4j
@Getter
@RestControllerAdvice
@RequiredArgsConstructor
public class WebExceptionHandler extends AbstractWebExceptionHandler {
private final ObjectMapper objectMapper;
@ExceptionHandler(CompanyAppRuntimeException.class)
public ResponseEntity<ResponseError> handleException(CompanyAppRuntimeException ex) {
return buildResponse(ex.getErrorCode(), ex.getStatus(), ex.getMessage(), ex.isDetails(), ex);
}
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/repository/CompanyRepository.java Normal file
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package ru.somecompany.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import ru.somecompany.domain.CompanyEntity;
import java.util.UUID;
public interface CompanyRepository extends JpaRepository<CompanyEntity, UUID> {
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/service/CompanyService.java Normal file
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package ru.somecompany.service;
import ru.somecompany.domain.CompanyEntity;
import ru.somecompany.domain.CreateCompanyRequest;
import java.util.List;
import java.util.UUID;
public interface CompanyService {
List<CompanyEntity> getCompanies();
CompanyEntity createCompany(CreateCompanyRequest companyRequest);
CompanyEntity updateCompany(UUID companyId, CreateCompanyRequest companyRequest);
void deleteCompany(UUID companyId);
CompanyEntity getCompany(UUID companyId);
}

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borschevskaya_anna_lab_3/company-service/src/main/java/ru/somecompany/service/CompanyServiceImpl.java Normal file
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package ru.somecompany.service;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import ru.somecompany.domain.CompanyEntity;
import ru.somecompany.domain.CreateCompanyRequest;
import ru.somecompany.repository.CompanyRepository;
import java.util.List;
import java.util.UUID;
import static ru.somecompany.exception.ResourceNotFoundException.notFound;
@Service
@RequiredArgsConstructor
public class CompanyServiceImpl implements CompanyService {
private final CompanyRepository companyRepository;
@Override
public List<CompanyEntity> getCompanies() {
return companyRepository.findAll();
}
@Override
public CompanyEntity createCompany(CreateCompanyRequest companyRequest) {
var entity = CompanyEntity.builder()
.name(companyRequest.getName())
.address(companyRequest.getAddress())
.build();
return companyRepository.save(entity);
}
@Override
public CompanyEntity updateCompany(UUID companyId, CreateCompanyRequest companyRequest) {
var company = getById(companyId);
company.setName(companyRequest.getName());
company.setAddress(companyRequest.getAddress());
return companyRepository.save(company);
}
@Override
public void deleteCompany(UUID companyId) {
var company = getById(companyId);
companyRepository.delete(company);
}
@Override
public CompanyEntity getCompany(UUID companyId) {
return getById(companyId);
}
private CompanyEntity getById(UUID companyId) {
return companyRepository.findById(companyId)
.orElseThrow(() -> notFound("Компания не найдена"));
}
}

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server:
port: ${SERVER_PORT:8080}
spring:
application:
name: company-app
jpa:
database: POSTGRESQL
open-in-view: false
show-sql: false
hibernate:
ddl-auto: none
properties:
hibernate:
dialect: org.hibernate.dialect.PostgreSQLDialect
datasource:
url: ${DB_URL:jdbc:postgresql://postgres:5433/company}
username: ${DB_USERNAME:postgres}
password: ${DB_PASSWORD:postgres}
driverClassName: org.postgresql.Driver
type: com.zaxxer.hikari.HikariDataSource
hikari:
maximum-pool-size: 15
minimum-idle: 4
idle-timeout: 180000
max-lifetime: 599000
flyway:
enabled: true
locations: db/migration/

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borschevskaya_anna_lab_3/company-service/src/main/resources/db/migration/V000001__init.sql Normal file
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CREATE TABLE company (
id UUID
CONSTRAINT company_pk PRIMARY KEY,
name VARCHAR(255) UNIQUE NOT NULL,
address VARCHAR(255) NOT NULL
);

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services:
postgres:
image: postgres:latest
container_name: postgres
environment:
POSTGRES_USERNAME: postgres
POSTGRES_PASSWORD: postgres
PGDATA: "/var/lib/postgresql/data/pgdata"
ports:
- "5432:5432"
volumes:
- ./postgres_data:/var/lib/postgresql/data/
- ./init-database.sh:/docker-entrypoint-initdb.d/init-database.sh
company:
build: ./company-service
container_name: company
depends_on:
- postgres
environment:
SERVER_PORT: 8080
DB_URL: jdbc:postgresql://postgres:5432/company
DB_USERNAME: postgres
DB_PASSWORD: postgres
vacancy:
build: ./vacancy-service
container_name: vacancy
depends_on:
- postgres
environment:
SERVER_PORT: 8080
DB_URL: jdbc:postgresql://postgres:5432/vacancy
DB_USERNAME: postgres
DB_PASSWORD: postgres
COMPANY_URL: http://nginx/
nginx:
image: nginx
depends_on:
- vacancy
- company
volumes:
- ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf
ports:
- 80:80

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#!/bin/bash
set -e
# Создаем БД
psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
CREATE DATABASE company;
CREATE DATABASE vacancy;
EOSQL

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server {
listen 80;
listen [::]:80;
server_name localhost;
location /api/v1/company {
proxy_pass http://company:8080;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
location /api/v1/vacancy {
proxy_pass http://vacancy:8080;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
}

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borschevskaya_anna_lab_3/vacancy-service/.gitignore vendored Normal file
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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

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# Используем образ Maven для сборки
FROM maven:3.8-eclipse-temurin-21-alpine AS build
# Устанавливаем рабочую директорию
WORKDIR /app
# Копируем остальные исходные файлы
COPY pom.xml .
COPY src src
# Собираем весь проект
RUN mvn clean package -DskipTests
# Используем официальный образ JDK для запуска собранного jar-файла
FROM eclipse-temurin:21-jdk-alpine
# Копируем jar-файл из предыдущего этапа
COPY --from=build /app/target/*.jar /app.jar
# Указываем команду для запуска приложения
CMD ["java", "-jar", "app.jar"]

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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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ru.somecompany</groupId>
<artifactId>vacancy-service</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.2.3</version>
<relativePath/>
</parent>
<properties>
<maven.compiler.source>21</maven.compiler.source>
<maven.compiler.target>21</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<mapstruct.version>1.5.5.Final</mapstruct.version>
<lombok-mapstruct-binding.version>0.2.0</lombok-mapstruct-binding.version>
<spring-cloud.version>2023.0.3</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.flywaydb</groupId>
<artifactId>flyway-core</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.30</version>
</dependency>
<dependency>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct</artifactId>
<version>${mapstruct.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok-mapstruct-binding</artifactId>
<version>${lombok-mapstruct-binding.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
<dependency>
<groupId>io.swagger.core.v3</groupId>
<artifactId>swagger-annotations</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>org.springdoc</groupId>
<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
<version>2.3.0</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<annotationProcessorPaths>
<path>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-processor</artifactId>
<version>${mapstruct.version}</version>
</path>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.30</version>
</path>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok-mapstruct-binding</artifactId>
<version>${lombok-mapstruct-binding.version}</version>
</path>
</annotationProcessorPaths>
<compilerArgs>
<arg>-Amapstruct.defaultComponentModel=spring</arg>
</compilerArgs>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/VacancyApplication.java Normal file
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package ru.somecompany;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.openfeign.EnableFeignClients;
@SpringBootApplication
@EnableFeignClients
public class VacancyApplication {
public static void main(String[] args) {
SpringApplication.run(VacancyApplication.class, args);
}
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/controller/VacancyController.java Normal file
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package ru.somecompany.controller;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.validation.constraints.NotNull;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import ru.somecompany.domain.CreateVacancyRequest;
import ru.somecompany.domain.VacancyEntity;
import ru.somecompany.domain.VacancyResponse;
import java.util.List;
import java.util.UUID;
@Validated
@Tag(name = "vacancy", description = "API для управления вакансиями")
public interface VacancyController {
@Operation(summary = "Получение всех вакансий")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Данные успешно переданы"),
})
@GetMapping(value = "/api/v1/vacancy")
List<VacancyEntity> getVacancies();
@Operation(summary = "Создание вакансии")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Вакансия успешно создана"),
})
@PostMapping(value = "/api/v1/vacancy")
VacancyEntity createVacancy(@RequestBody @NotNull CreateVacancyRequest request);
@Operation(summary = "Получение информации о вакансии по id")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Данные успешно переданы"),
@ApiResponse(responseCode = "404", description = "Вакансия не найдена")
})
@GetMapping(value = "/api/v1/vacancy/{vacancyId}")
VacancyResponse getVacancy(@PathVariable UUID vacancyId);
@Operation(summary = "Редактирование вакансии")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Данные вакансии успешно изменены"),
@ApiResponse(responseCode = "404", description = "Вакансия не найдена")
})
@PutMapping(value = "/api/v1/vacancy/{vacancyId}")
VacancyEntity updateVacancy(@PathVariable UUID vacancyId,
@RequestBody @NotNull CreateVacancyRequest request);
@Operation(summary = "Удалении вакансии по id")
@ApiResponses(value = {
@ApiResponse(responseCode = "200", description = "Вакансия успешно удалена"),
@ApiResponse(responseCode = "404", description = "Вакансия не найдена")
})
@DeleteMapping(value = "/api/v1/vacancy/{vacancyId}")
void deleteVacancy(@PathVariable UUID vacancyId);
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/controller/VacancyControllerImpl.java Normal file
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package ru.somecompany.controller;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.RestController;
import ru.somecompany.domain.CreateVacancyRequest;
import ru.somecompany.domain.VacancyEntity;
import ru.somecompany.domain.VacancyResponse;
import ru.somecompany.service.VacancyService;
import java.util.List;
import java.util.UUID;
@Slf4j
@RestController
@RequiredArgsConstructor
public class VacancyControllerImpl implements VacancyController {
private final VacancyService vacancyService;
@Override
public List<VacancyEntity> getVacancies() {
return vacancyService.getVacancies();
}
@Override
public VacancyEntity createVacancy(CreateVacancyRequest request) {
return vacancyService.createVacancy(request);
}
@Override
public VacancyResponse getVacancy(UUID vacancyId) {
return vacancyService.getVacancy(vacancyId);
}
@Override
public VacancyEntity updateVacancy(UUID vacancyId, CreateVacancyRequest request) {
return vacancyService.updateVacancy(vacancyId, request);
}
@Override
public void deleteVacancy(UUID vacancyId) {
vacancyService.deleteVacancy(vacancyId);
}
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/domain/CompanyResponse.java Normal file
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package ru.somecompany.domain;
import lombok.AllArgsConstructor;
import lombok.Data;
import java.util.UUID;
@Data
@AllArgsConstructor
public class CompanyResponse {
private UUID id;
private String name;
private String address;
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/domain/CreateVacancyRequest.java Normal file
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package ru.somecompany.domain;
import lombok.AllArgsConstructor;
import lombok.Data;
import java.util.UUID;
@Data
@AllArgsConstructor
public class CreateVacancyRequest {
private String name;
private String description;
private Integer salaryLow;
private Integer salaryHigh;
private UUID companyId;
}

41
borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/domain/VacancyEntity.java Normal file
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package ru.somecompany.domain;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.util.UUID;
@Data
@Entity
@Builder
@Table(name = "vacancy")
@AllArgsConstructor
@NoArgsConstructor
public class VacancyEntity {
@Id
@GeneratedValue
private UUID id;
@Column(name = "name", nullable = false)
private String name;
@Column(name = "description", nullable = true, length = 1000)
private String description;
@Column(name = "salary_low", nullable = false)
private Integer salaryLow;
@Column(name = "salary_high", nullable = false)
private Integer salaryHigh;
@Column(name = "company_id", nullable = false)
private UUID companyId;
}

25
borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/domain/VacancyResponse.java Normal file
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package ru.somecompany.domain;
import io.swagger.v3.oas.annotations.media.Schema;
import lombok.Builder;
import lombok.Data;
import java.util.UUID;
@Data
@Builder
@Schema(description = "Данные по вакансии")
public class VacancyResponse {
private UUID id;
private String name;
private String description;
private Integer salaryLow;
private Integer salaryHigh;
private CompanyResponse company;
}

41
borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/exception/AbstractWebExceptionHandler.java Normal file
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package ru.somecompany.exception;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import java.time.LocalDateTime;
import static org.springframework.http.HttpStatus.NOT_FOUND;
@Slf4j
public abstract class AbstractWebExceptionHandler {
public static ResponseEntity<ResponseError> buildResponse(ErrorCode errorCode, HttpStatus status, String msg,
boolean details, Throwable ex) {
return buildResponse(errorCode.name(), status, msg, details, ex, LocalDateTime.now());
}
public static ResponseEntity<ResponseError> buildResponse(String errorCode, HttpStatus status, String msg,
boolean details, Throwable ex, LocalDateTime timestamp) {
if (details) {
log.error(msg, ex); // with stack-trace
} else {
var message = StringUtils.equals(msg, ex.getMessage()) ? msg : msg + ": " + ex.getMessage();
if (status == NOT_FOUND) {
log.warn(message);
} else {
log.error(message);
}
}
return ResponseEntity.status(status.value())
.body(ResponseError.builder()
.code(errorCode)
.message(msg)
.timestamp(timestamp)
.status(status.value())
.build());
}
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/exception/BasicError.java Normal file
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package ru.somecompany.exception;
public enum BasicError implements ErrorCode {
NOT_FOUND
}

26
borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/exception/CompanyAppRuntimeException.java Normal file
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package ru.somecompany.exception;
import lombok.Getter;
import org.springframework.http.HttpStatus;
@Getter
public class CompanyAppRuntimeException extends RuntimeException {
private final ErrorCode errorCode;
private final HttpStatus status;
private final boolean details;
public CompanyAppRuntimeException(ErrorCode errorCode, HttpStatus status, String message) {
this(errorCode, status, message, null);
}
public CompanyAppRuntimeException(ErrorCode errorCode, HttpStatus status, String message, Throwable error) {
this(errorCode, status, message, true, error);
}
public CompanyAppRuntimeException(ErrorCode errorCode, HttpStatus status, String message, boolean details, Throwable error) {
super(message, error);
this.errorCode = errorCode;
this.status = status;
this.details = details;
}
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/exception/ErrorCode.java Normal file
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package ru.somecompany.exception;
import java.io.Serializable;
public interface ErrorCode extends Serializable {
String name();
}

28
borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/exception/ResourceNotFoundException.java Normal file
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package ru.somecompany.exception;
import org.springframework.http.HttpStatus;
import static ru.somecompany.exception.BasicError.NOT_FOUND;
public class ResourceNotFoundException extends CompanyAppRuntimeException {
public ResourceNotFoundException(ErrorCode errorCode, String message) {
this(errorCode, message, null);
}
public ResourceNotFoundException(ErrorCode errorCode, String message, Throwable error) {
super(errorCode, HttpStatus.NOT_FOUND, message, error);
}
public static ResourceNotFoundException notFound(String message, Object... args) {
return new ResourceNotFoundException(NOT_FOUND, String.format(message, args), null);
}
public static ResourceNotFoundException notFound() {
return new ResourceNotFoundException(NOT_FOUND, "Запрашиваемые данные не найдены", null);
}
public static ResourceNotFoundException notFound(Throwable error) {
return new ResourceNotFoundException(NOT_FOUND, error.getMessage(), error);
}
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/exception/ResponseError.java Normal file
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package ru.somecompany.exception;
import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.time.LocalDateTime;
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class ResponseError {
@JsonProperty(required = true)
private LocalDateTime timestamp;
@JsonProperty(required = true)
private Integer status;
@JsonProperty(required = true)
private String message;
@JsonProperty(required = true)
private String code;
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/exception/WebExceptionHandler.java Normal file
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package ru.somecompany.exception;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
@Slf4j
@Getter
@RestControllerAdvice
@RequiredArgsConstructor
public class WebExceptionHandler extends AbstractWebExceptionHandler {
private final ObjectMapper objectMapper;
@ExceptionHandler(CompanyAppRuntimeException.class)
public ResponseEntity<ResponseError> handleException(CompanyAppRuntimeException ex) {
return buildResponse(ex.getErrorCode(), ex.getStatus(), ex.getMessage(), ex.isDetails(), ex);
}
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/external/CompanyClient.java vendored Normal file
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package ru.somecompany.external;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import ru.somecompany.domain.CompanyResponse;
import java.util.UUID;
@FeignClient(name = "company", url = "${app.feign.company-url}")
public interface CompanyClient {
@GetMapping(value = "/api/v1/company/{companyId}")
CompanyResponse getCompany(@PathVariable UUID companyId);
}

24
borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/mapper/VacancyMapper.java Normal file
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package ru.somecompany.mapper;
import org.mapstruct.Mapper;
import org.mapstruct.Mapping;
import org.mapstruct.MappingTarget;
import ru.somecompany.domain.CompanyResponse;
import ru.somecompany.domain.CreateVacancyRequest;
import ru.somecompany.domain.VacancyEntity;
import ru.somecompany.domain.VacancyResponse;
import java.util.UUID;
@Mapper(imports = UUID.class)
public interface VacancyMapper {
@Mapping(target = "company", source = "company")
@Mapping(target = "name", source = "entity.name")
@Mapping(target = "id", source = "entity.id")
VacancyResponse map(VacancyEntity entity, CompanyResponse company);
VacancyEntity map(CreateVacancyRequest request);
VacancyEntity map(@MappingTarget VacancyEntity entity, CreateVacancyRequest request);
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/repository/VacancyRepository.java Normal file
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package ru.somecompany.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
import ru.somecompany.domain.VacancyEntity;
import java.util.UUID;
@Repository
public interface VacancyRepository extends JpaRepository<VacancyEntity, UUID> {
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/service/VacancyService.java Normal file
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package ru.somecompany.service;
import ru.somecompany.domain.CreateVacancyRequest;
import ru.somecompany.domain.VacancyEntity;
import ru.somecompany.domain.VacancyResponse;
import java.util.List;
import java.util.UUID;
public interface VacancyService {
List<VacancyEntity> getVacancies();
VacancyEntity createVacancy(CreateVacancyRequest request);
VacancyEntity updateVacancy(UUID vacancyId, CreateVacancyRequest request);
void deleteVacancy(UUID vacancyId);
VacancyResponse getVacancy(UUID vacancyId);
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/service/VacancyServiceImpl.java Normal file
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package ru.somecompany.service;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import ru.somecompany.domain.CreateVacancyRequest;
import ru.somecompany.domain.VacancyEntity;
import ru.somecompany.domain.VacancyResponse;
import ru.somecompany.mapper.VacancyMapper;
import ru.somecompany.repository.VacancyRepository;
import ru.somecompany.service.adapter.CompanyAdapter;
import java.util.List;
import java.util.UUID;
import static ru.somecompany.exception.ResourceNotFoundException.notFound;
@Slf4j
@Service
@RequiredArgsConstructor
public class VacancyServiceImpl implements VacancyService {
private final VacancyRepository vacancyRepository;
private final CompanyAdapter companyAdapter;
private final VacancyMapper mapper;
@Override
public List<VacancyEntity> getVacancies() {
return vacancyRepository.findAll();
}
@Override
public VacancyEntity createVacancy(CreateVacancyRequest request) {
var entity = mapper.map(request);
return vacancyRepository.save(entity);
}
@Override
public VacancyEntity updateVacancy(UUID vacancyId, CreateVacancyRequest request) {
var entity = getById(vacancyId);
entity = mapper.map(entity, request);
return vacancyRepository.save(entity);
}
@Override
public void deleteVacancy(UUID vacancyId) {
var entity = getById(vacancyId);
vacancyRepository.delete(entity);
}
@Override
public VacancyResponse getVacancy(UUID vacancyId) {
var entity = getById(vacancyId);
var company = companyAdapter.getCompanyById(entity.getCompanyId());
return mapper.map(entity, company);
}
private VacancyEntity getById(UUID vacancyId) {
var entity = vacancyRepository.findById(vacancyId);
if (entity.isEmpty()) {
log.warn("The vacancy with id '{}' was not found", vacancyId);
throw notFound("Вакансия не найдена");
}
return entity.get();
}
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/service/adapter/CompanyAdapter.java Normal file
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package ru.somecompany.service.adapter;
import ru.somecompany.domain.CompanyResponse;
import java.util.UUID;
public interface CompanyAdapter {
CompanyResponse getCompanyById(UUID companyId);
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/java/ru/somecompany/service/adapter/CompanyAdapterImpl.java Normal file
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package ru.somecompany.service.adapter;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import ru.somecompany.domain.CompanyResponse;
import ru.somecompany.external.CompanyClient;
import java.util.UUID;
@Service
@RequiredArgsConstructor
public class CompanyAdapterImpl implements CompanyAdapter {
private final CompanyClient companyClient;
@Override
public CompanyResponse getCompanyById(UUID companyId) {
return companyClient.getCompany(companyId);
}
}

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borschevskaya_anna_lab_3/vacancy-service/src/main/resources/application.yml Normal file
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server:
port: ${SERVER_PORT:8080}
spring:
application:
name: vacancy-app
jpa:
database: POSTGRESQL
open-in-view: false
show-sql: false
hibernate:
ddl-auto: none
properties:
hibernate:
dialect: org.hibernate.dialect.PostgreSQLDialect
datasource:
url: ${DB_URL:jdbc:postgresql://localhost:5433/vacancy}
username: ${DB_USERNAME:postgres}
password: ${DB_PASSWORD:postgres}
driverClassName: org.postgresql.Driver
type: com.zaxxer.hikari.HikariDataSource
hikari:
maximum-pool-size: 15
minimum-idle: 4
idle-timeout: 180000
max-lifetime: 599000
flyway:
enabled: true
locations: db/migration/
app:
feign:
company-url: ${COMPANY_URL:http://localhost:8081}

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borschevskaya_anna_lab_3/vacancy-service/src/main/resources/db/migration/V000001__init.sql Normal file
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CREATE TABLE vacancy (
id UUID
CONSTRAINT company_pk PRIMARY KEY,
name VARCHAR(255) NOT NULL,
description VARCHAR(1000),
salary_low int8 NOT NULL,
salary_high int8 NOT NULL,
company_id UUID NOT NULL
);