Created API

pom.xml

@@ -19,6 +19,8 @@
 		<maven.checkstyle.plugin.configLocation>
 			https://raw.githubusercontent.com/mate-academy/style-guides/master/java/checkstyle.xml
 		</maven.checkstyle.plugin.configLocation>
+		<mapstruct.version>1.5.5.Final</mapstruct.version>
+		<lombok.mapstruck.binding.version>0.2.0</lombok.mapstruck.binding.version>
 	</properties>
 	<dependencies>
 		<dependency>
@@ -41,6 +43,36 @@
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>
 		</dependency>
+
+		<dependency>
+			<groupId>mysql</groupId>
+			<artifactId>mysql-connector-java</artifactId>
+			<version>8.0.32</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.mapstruct</groupId>
+			<artifactId>mapstruct</artifactId>
+			<version>${mapstruct.version}</version>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springdoc</groupId>
+			<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
+			<version>2.1.0</version>
+		</dependency>
+
 	</dependencies>
 
 	<build>
@@ -66,6 +98,33 @@
 					<consoleOutput>true</consoleOutput>
 					<failsOnError>true</failsOnError>
 					<linkXRef>false</linkXRef>
+					<sourceDirectories>src/main</sourceDirectories>
+				</configuration>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<source>${java.version}</source>
+					<target>${java.version}</target>
+					<annotationProcessorPaths>
+						<path>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok</artifactId>
+							<version>${lombok.version}</version>
+						</path>
+						<path>
+							<groupId>org.projectlombok</groupId>
+							<artifactId>lombok-mapstruct-binding</artifactId>
+							<version>${lombok.mapstruck.binding.version}</version>
+						</path>
+						<path>
+							<groupId>org.mapstruct</groupId>
+							<artifactId>mapstruct-processor</artifactId>
+							<version>${mapstruct.version}</version>
+						</path>
+					</annotationProcessorPaths>
 				</configuration>
 			</plugin>
 		</plugins>

src/main/java/mate/academy/rickandmorty/config/MapperConfig.java

@@ -0,0 +1,13 @@
+package mate.academy.rickandmorty.config;
+
+import org.mapstruct.InjectionStrategy;
+import org.mapstruct.NullValueCheckStrategy;
+
+@org.mapstruct.MapperConfig(
+        componentModel = "spring",
+        injectionStrategy = InjectionStrategy.CONSTRUCTOR,
+        nullValueCheckStrategy = NullValueCheckStrategy.ALWAYS,
+        implementationPackage = "<PACKAGE_NAME>.impl"
+)
+public class MapperConfig {
+}

src/main/java/mate/academy/rickandmorty/controller/RickAndMortyController.java

@@ -0,0 +1,33 @@
+package mate.academy.rickandmorty.controller;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import mate.academy.rickandmorty.dto.internal.CharacterDto;
+import mate.academy.rickandmorty.service.CharacterService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@Tag(name = "Character management", description = "Endpoints for managing characters")
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/characters")
+public class RickAndMortyController {
+    private final CharacterService characterService;
+
+    @GetMapping("/random")
+    @Operation(summary = "Get random character", description = "Returns a random character")
+    public CharacterDto getRandomCharacter() {
+        return characterService.getRandomCharacter();
+    }
+
+    @GetMapping
+    @Operation(summary = "Get characters by name",
+            description = "Returns a list of all characters with the given name")
+    public List<CharacterDto> getCharactersByName(@RequestParam String name) {
+        return characterService.getCharactersByName(name);
+    }
+}

src/main/java/mate/academy/rickandmorty/dto/external/CharacterResponseDataDto.java

@@ -0,0 +1,20 @@
+package mate.academy.rickandmorty.dto.external;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+public record CharacterResponseDataDto(
+        int id,
+        String name,
+        String status,
+        String species,
+        String type,
+        String gender,
+        OriginResponseDto origin,
+        OriginResponseDto location,
+        String image,
+        List<String> episode,
+        String url,
+        LocalDateTime created
+) {
+}

src/main/java/mate/academy/rickandmorty/dto/external/InfoResponseDto.java

@@ -0,0 +1,9 @@
+package mate.academy.rickandmorty.dto.external;
+
+public record InfoResponseDto(
+        int count,
+        int pages,
+        String next,
+        String prev
+) {
+}

src/main/java/mate/academy/rickandmorty/dto/external/OriginResponseDto.java

@@ -0,0 +1,7 @@
+package mate.academy.rickandmorty.dto.external;
+
+public record OriginResponseDto(
+        String name,
+        String url
+) {
+}

src/main/java/mate/academy/rickandmorty/dto/external/ResultsResponseDataDto.java

@@ -0,0 +1,9 @@
+package mate.academy.rickandmorty.dto.external;
+
+import java.util.List;
+
+public record ResultsResponseDataDto(
+        List<CharacterResponseDataDto> results,
+        InfoResponseDto infoResponseDto
+) {
+}

src/main/java/mate/academy/rickandmorty/dto/internal/CharacterDto.java

@@ -0,0 +1,12 @@
+package mate.academy.rickandmorty.dto.internal;
+
+import lombok.Data;
+
+@Data
+public class CharacterDto {
+    private Long id;
+    private Long externalId;
+    private String name;
+    private String status;
+    private String gender;
+}

src/main/java/mate/academy/rickandmorty/mapper/CharacterMapper.java

@@ -0,0 +1,16 @@
+package mate.academy.rickandmorty.mapper;
+
+import mate.academy.rickandmorty.config.MapperConfig;
+import mate.academy.rickandmorty.dto.external.CharacterResponseDataDto;
+import mate.academy.rickandmorty.dto.internal.CharacterDto;
+import mate.academy.rickandmorty.model.Character;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+
+@Mapper(config = MapperConfig.class)
+public interface CharacterMapper {
+    CharacterDto toDto(Character character);
+
+    @Mapping(target = "externalId", source = "id")
+    Character toModel(CharacterResponseDataDto responseDataDto);
+}

src/main/java/mate/academy/rickandmorty/model/Character.java

@@ -0,0 +1,21 @@
+package mate.academy.rickandmorty.model;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import lombok.Data;
+
+@Data
+@Entity
+@Table(name = "characters")
+public class Character {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private Long externalId;
+    private String name;
+    private String status;
+    private String gender;
+}

src/main/java/mate/academy/rickandmorty/repository/CharacterRepository.java

@@ -0,0 +1,9 @@
+package mate.academy.rickandmorty.repository;
+
+import java.util.List;
+import mate.academy.rickandmorty.model.Character;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CharacterRepository extends JpaRepository<Character, Long> {
+    List<Character> findAllByNameContainingIgnoreCase(String name);
+}

src/main/java/mate/academy/rickandmorty/service/CharacterService.java

@@ -0,0 +1,10 @@
+package mate.academy.rickandmorty.service;
+
+import java.util.List;
+import mate.academy.rickandmorty.dto.internal.CharacterDto;
+
+public interface CharacterService {
+    CharacterDto getRandomCharacter();
+
+    List<CharacterDto> getCharactersByName(String name);
+}

src/main/java/mate/academy/rickandmorty/service/CharactersInitializer.java

@@ -0,0 +1,25 @@
+package mate.academy.rickandmorty.service;
+
+import jakarta.annotation.PostConstruct;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import mate.academy.rickandmorty.mapper.CharacterMapper;
+import mate.academy.rickandmorty.model.Character;
+import mate.academy.rickandmorty.repository.CharacterRepository;
+import org.springframework.stereotype.Component;
+
+@RequiredArgsConstructor
+@Component
+public class CharactersInitializer {
+    private final CharacterRepository characterRepository;
+    private final RickAndMortyClient rickAndMortyClient;
+    private final CharacterMapper characterMapper;
+
+    @PostConstruct
+    public void fetchCharactersToDb() {
+        List<Character> characters = rickAndMortyClient.getCharacters().stream()
+                .map(characterMapper::toModel)
+                .toList();
+        characterRepository.saveAll(characters);
+    }
+}

src/main/java/mate/academy/rickandmorty/service/RickAndMortyClient.java

@@ -0,0 +1,50 @@
+package mate.academy.rickandmorty.service;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.ArrayList;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import mate.academy.rickandmorty.dto.external.CharacterResponseDataDto;
+import mate.academy.rickandmorty.dto.external.ResultsResponseDataDto;
+import org.springframework.stereotype.Component;
+
+@RequiredArgsConstructor
+@Component
+public class RickAndMortyClient {
+    private static final String URL = "https://rickandmortyapi.com/api/character";
+    private final ObjectMapper objectMapper;
+
+    public List<CharacterResponseDataDto> getCharacters() {
+        List<CharacterResponseDataDto> characters = new ArrayList<>();
+        HttpClient httpClient = HttpClient.newHttpClient();
+        String page = URL;
+        while (page != null) {
+            HttpRequest httpRequest = HttpRequest.newBuilder()
+                    .GET()
+                    .uri(URI.create(page))
+                    .build();
+            try {
+                HttpResponse<String> response = httpClient.send(
+                        httpRequest, HttpResponse.BodyHandlers.ofString()
+                );
+                ResultsResponseDataDto resultsResponseDataDto = objectMapper
+                        .readValue(response.body(), ResultsResponseDataDto.class);
+                characters.addAll(resultsResponseDataDto.results());
+                if (resultsResponseDataDto.infoResponseDto() != null
+                        && resultsResponseDataDto.infoResponseDto().next() != null) {
+                    page = resultsResponseDataDto.infoResponseDto().next();
+                } else {
+                    page = null;
+                }
+            } catch (IOException | InterruptedException e) {
+                throw new RuntimeException("Can't send http request", e);
+            }
+        }
+        return characters;
+    }
+}

src/main/java/mate/academy/rickandmorty/service/impl/CharacterServiceImpl.java

@@ -0,0 +1,37 @@
+package mate.academy.rickandmorty.service.impl;
+
+import jakarta.persistence.EntityNotFoundException;
+import java.util.List;
+import java.util.Random;
+import lombok.RequiredArgsConstructor;
+import mate.academy.rickandmorty.dto.internal.CharacterDto;
+import mate.academy.rickandmorty.mapper.CharacterMapper;
+import mate.academy.rickandmorty.model.Character;
+import mate.academy.rickandmorty.repository.CharacterRepository;
+import mate.academy.rickandmorty.service.CharacterService;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class CharacterServiceImpl implements CharacterService {
+    private final CharacterRepository characterRepository;
+    private final CharacterMapper characterMapper;
+    private final Random random = new Random();
+
+    @Override
+    public CharacterDto getRandomCharacter() {
+        long randomId = random.nextLong(characterRepository.count());
+        Character character = characterRepository.findById(randomId)
+                .orElseThrow(() -> new EntityNotFoundException(
+                        "Can't get character with id: " + randomId));
+        return characterMapper.toDto(character);
+    }
+
+    @Override
+    public List<CharacterDto> getCharactersByName(String name) {
+        return characterRepository.findAllByNameContainingIgnoreCase(name)
+                .stream()
+                .map(characterMapper::toDto)
+                .toList();
+    }
+}

src/main/resources/application.properties

@@ -1 +1,8 @@
+spring.datasource.url=jdbc:mysql://localhost:3306/rick_and_morty?serverTimeZone=UTC
+spring.datasource.username=root
+spring.datasource.password=123456
+spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
 
+spring.jpa.hibernate.ddl-auto=create-drop
+spring.jpa.show-sql=true
+spring.jpa.open-in-view=false