[#6] Implements API that response current game history

현재 게임 기록 (스코어, 타율) 을 반환해주는 API 구현

BE/baseball/src/main/java/team9/baseball/controller/ApiGameController.java

@@ -44,4 +44,9 @@ public ApiResult pitch(PitchResult pitchResult) {
         gameService.applyPitchResult(1l, pitchResult);
         return ApiResult.succeed("OK");
     }
+
+    @GetMapping("/history")
+    public ApiResult getCurrentGameHistory() {
+        return ApiResult.succeed(gameService.getCurrentGameHistory(1l));
+    }
 }

BE/baseball/src/main/java/team9/baseball/service/GameService.java

@@ -3,6 +3,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import team9.baseball.DTO.response.GameDescriptionDTO;
+import team9.baseball.DTO.response.GameHistoryDTO;
 import team9.baseball.DTO.response.GameStatusDTO;
 import team9.baseball.domain.aggregate.game.Game;
 import team9.baseball.domain.aggregate.team.Team;
@@ -69,6 +70,18 @@ public GameStatusDTO getCurrentGameStatus(long userId) {
         return GameStatusDTO.of(game, awayTeam, homeTeam, user.getCurrentGameVenue());
     }
 
+    public GameHistoryDTO getCurrentGameHistory(long userId) {
+        User user = getUser(userId);
+        if (user.getCurrentGameId() == null) {
+            throw new RuntimeException(userId + "사용자는 게임중이 아닙니다.");
+        }
+        Game game = getGame(user.getCurrentGameId());
+        Team awayTeam = getTeam(game.getAwayTeamId());
+        Team homeTeam = getTeam(game.getHomeTeamId());
+
+        return GameHistoryDTO.of(game, awayTeam, homeTeam);
+    }
+
     public void createNewGame(long userId, int awayTeamId, int homeTeamId) {
         User user = getUser(userId);
         Team awayTeam = getTeam(awayTeamId);