Infrastructure

infrastructure/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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>ms-library</artifactId>
+        <groupId>org.example</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>infrastructure</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.example</groupId>
+            <artifactId>domain</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.mapstruct</groupId>
+            <artifactId>mapstruct</artifactId>
+            <version>1.4.2.Final</version>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <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>1.4.2.Final</version>
+                        </path>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                            <version>1.18.12</version>
+                        </path>
+                    </annotationProcessorPaths>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+
+</project>

infrastructure/src/main/java/org/example/adapters/BookJpaAdapter.java

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+package org.example.adapters;
+
+import org.example.entity.Book;
+import org.example.mappers.BookMapper;
+import org.example.repository.BookRepository;
+import org.exemple.data.BookDto;
+import org.exemple.ports.spi.BookPersistencePort;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class BookJpaAdapter implements BookPersistencePort {
+
+    @Autowired
+    private BookRepository bookRepository;
+
+    @Override
+    public BookDto addBook(BookDto bookDto) {
+
+        Book book = BookMapper.INSTANCE.bookDtoToBook(bookDto);
+
+        Book bookSaved = bookRepository.save(book);
+
+        return BookMapper.INSTANCE.bookToBookDto(bookSaved);
+    }
+
+    @Override
+    public void deleteBookById(Long id) {
+        bookRepository.deleteById(id);
+    }
+
+    @Override
+    public BookDto updateBook(BookDto bookDto) {
+        return addBook(bookDto);
+    }
+
+    @Override
+    public List<BookDto> getBooks() {
+
+        List<Book> bookList = bookRepository.findAll();
+
+        return BookMapper.INSTANCE.bookListToBookDtoList(bookList);
+    }
+
+    @Override
+    public BookDto getBookById(Long bookId) {
+
+        Optional<Book> book = bookRepository.findById(bookId);
+
+        if (book.isPresent()) {
+            return BookMapper.INSTANCE.bookToBookDto(book.get());
+        }
+
+        return null;
+    }
+}

infrastructure/src/main/java/org/example/entity/Book.java

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+package org.example.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class Book {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String title;
+
+    private String description;
+
+    private Double price;
+}

infrastructure/src/main/java/org/example/mappers/BookMapper.java

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+package org.example.mappers;
+
+import org.example.entity.Book;
+import org.exemple.data.BookDto;
+import org.mapstruct.Mapper;
+import org.mapstruct.factory.Mappers;
+
+import java.util.List;
+
+@Mapper
+public interface BookMapper {
+
+    BookMapper INSTANCE = Mappers.getMapper(BookMapper.class);
+
+    BookDto bookToBookDto(Book book);
+
+    Book bookDtoToBook(BookDto bookDto);
+
+    List<BookDto> bookListToBookDtoList(List<Book> bookList);
+
+    List<Book> BookDtoListTobookList(List<BookDto> BookDtoList);
+}

infrastructure/src/main/java/org/example/repository/BookRepository.java

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+package org.example.repository;
+
+import org.example.entity.Book;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface BookRepository extends JpaRepository<Book, Long> {
+
+}