[#8] feature : 게임 목록 보여주는 로직 구현

BE/src/main/java/com/example/baseball/controller/GameListController.java

@@ -0,0 +1,30 @@
+package com.example.baseball.controller;
+
+import com.example.baseball.dto.MatchedTeamDTO;
+import com.example.baseball.service.GameListService;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+public class GameListController {
+    private final GameListService gameListService;
+
+    public GameListController (GameListService gameListService) {
+        this.gameListService = gameListService;
+    }
+
+    @GetMapping("/matchTeam/{id}")
+    public MatchedTeamDTO findGame(@PathVariable Long id) {
+        return gameListService.findGame(id);
+    }
+
+    @GetMapping("/helloWorld")
+    public List<MatchedTeamDTO> findGameList() {
+        List<MatchedTeamDTO> games = gameListService.findGameList();
+        return games;
+    }
+
+}

BE/src/main/java/com/example/baseball/dto/MatchedTeamDTO.java

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+package com.example.baseball.dto;
+
+import com.example.baseball.entity.Game;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import org.springframework.data.annotation.Id;
+
+public class MatchedTeamDTO {
+    @Id
+    @JsonIgnore
+    private Long id;
+
+    private String homeTeam;
+    private String awayTeam;
+
+    public MatchedTeamDTO(Long id, String homeTeam, String awayTeam) {
+        this.id = id;
+        this.homeTeam = homeTeam;
+        this.awayTeam = awayTeam;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public String getHomeTeam() {
+        return homeTeam;
+    }
+
+    public String getAwayTeam() {
+        return awayTeam;
+    }
+
+    public static MatchedTeamDTO of(Game game) {
+        return new MatchedTeamDTO(game.getId(), game.getHomeTeam(), game.getAwayTeam());
+    }
+
+}

BE/src/main/java/com/example/baseball/repository/GameRepository.java

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+package com.example.baseball.repository;
+
+import com.example.baseball.entity.Game;
+import org.springframework.data.jdbc.repository.query.Query;
+import org.springframework.data.repository.CrudRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface GameRepository extends CrudRepository<Game, Long> {
+    @Query("SELECT `GAME`.`ID` AS `ID`,`GAME`.`HOME_TEAM` AS `HOME_TEAM`, `GAME`.`AWAY_TEAM` AS `AWAY_TEAM`  FROM `GAME` ")
+    @Override
+    List<Game> findAll();
+
+    @Query("SELECT `GAME`.`ID` AS `ID`, `GAME`.`HOME_TEAM` AS `HOME_TEAM`, `GAME`.`AWAY_TEAM` AS `AWAY_TEAM`  FROM `GAME` WHERE `GAME`.`ID` = :id")
+    Optional<Game> findById(Long id);
+}

BE/src/main/java/com/example/baseball/service/GameListService.java

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+package com.example.baseball.service;
+
+import com.example.baseball.entity.Game;
+import com.example.baseball.dto.MatchedTeamDTO;
+import com.example.baseball.repository.GameRepository;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+public class GameListService {
+
+    private final GameRepository gameRepository;
+
+    private GameListService(GameRepository gameRepository) {
+        this.gameRepository = gameRepository;
+    }
+
+    public MatchedTeamDTO findGame(Long id) {
+        Game game = gameRepository.findById(id).orElseThrow(IllegalArgumentException::new);
+        System.out.println(game.getId());
+        return MatchedTeamDTO.of(game);
+    }
+
+    public List<MatchedTeamDTO> findGameList() {
+        return gameRepository.findAll()
+                .stream()
+                .map(game -> findGame(game.getId()))
+                .collect(Collectors.toList());
+    }
+
+}