GTB-33 [feat] 주점 상세정보 API 구현

src/main/java/site/gachontable/gachontablebe/domain/pub/presentation/PubController.java

@@ -7,8 +7,8 @@
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+import site.gachontable.gachontablebe.domain.pub.presentation.dto.GetPubDetailsResponse;
 import site.gachontable.gachontablebe.domain.pub.usecase.PubService;
 import site.gachontable.gachontablebe.domain.pub.presentation.dto.GetPubsResponse;
 import site.gachontable.gachontablebe.global.error.ErrorResponse;
@@ -32,4 +32,17 @@ public class PubController {
     public ResponseEntity<List<GetPubsResponse>> getPubs() {
         return ResponseEntity.ok(pubService.findAllPubs());
     }
+
+    @Operation(summary = "주점 상세정보", description = "주점의 상세정보를 가져옵니다")
+    @ApiResponses({
+            @ApiResponse(responseCode = "200"),
+            @ApiResponse(responseCode = "400", content = @Content(schema = @Schema(implementation = ErrorResponse.class))),
+            @ApiResponse(responseCode = "403", content = @Content(schema = @Schema(implementation = ErrorResponse.class))),
+            @ApiResponse(responseCode = "404", content = @Content(schema = @Schema(implementation = ErrorResponse.class))),
+            @ApiResponse(responseCode = "500", content = @Content(schema = @Schema(implementation = ErrorResponse.class)))
+    })
+    @GetMapping("/pub/{pubId}")
+    public ResponseEntity<GetPubDetailsResponse> getPubDetail(@PathVariable Integer pubId) {
+        return ResponseEntity.ok(pubService.findPubDetail(pubId));
+    }
 }

src/main/java/site/gachontable/gachontablebe/domain/pub/presentation/dto/GetPubDetailsResponse.java

@@ -0,0 +1,61 @@
+package site.gachontable.gachontablebe.domain.pub.presentation.dto;
+
+import site.gachontable.gachontablebe.domain.menu.domain.Menu;
+import site.gachontable.gachontablebe.domain.pub.domain.Pub;
+import site.gachontable.gachontablebe.domain.waiting.domain.Waiting;
+
+import java.util.List;
+
+public record GetPubDetailsResponse(
+        PubInfo pub,
+        List<MenuInfo> menu
+) {
+
+    public static GetPubDetailsResponse of(Pub pub, List<Menu> menuList) {
+
+        return new GetPubDetailsResponse(
+                PubInfo.from(pub),
+                menuList.stream()
+                        .map(MenuInfo::from)
+                        .toList());
+    }
+
+    public record PubInfo(
+            Integer pubId,
+            String imageUrl,
+            String pubName,
+            String onLiner,
+            Boolean studentCard,
+            String menu,
+            Integer queueing
+    ) {
+        public static PubInfo from(Pub pub) {
+            return new PubInfo(
+                    pub.getPubId(),
+                    pub.getPubThumbnail(),
+                    pub.getPubName(),
+                    pub.getOneLiner(),
+                    pub.getStudentCard(),
+                    pub.getRepresentativeMenu(),
+                    (int) pub.getWaitingQueue()
+                            .stream()
+                            .filter(Waiting::isWaiting)
+                            .count());
+        }
+    }
+
+
+    public record MenuInfo(
+            String menuName,
+            Integer price,
+            String oneLiner
+    ) {
+        public static MenuInfo from(Menu menu) {
+            return new MenuInfo(
+                    menu.getMenuName(),
+                    menu.getPrice(),
+                    menu.getOneLiner()
+            );
+        }
+    }
+}

src/main/java/site/gachontable/gachontablebe/domain/pub/usecase/PubService.java

@@ -2,8 +2,11 @@
 
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import site.gachontable.gachontablebe.domain.menu.domain.Menu;
 import site.gachontable.gachontablebe.domain.pub.domain.Pub;
 import site.gachontable.gachontablebe.domain.pub.domain.repository.PubRepository;
+import site.gachontable.gachontablebe.domain.pub.exception.PubNotFoundException;
+import site.gachontable.gachontablebe.domain.pub.presentation.dto.GetPubDetailsResponse;
 import site.gachontable.gachontablebe.domain.pub.presentation.dto.GetPubsResponse;
 
 import java.util.List;
@@ -18,4 +21,9 @@ public List<GetPubsResponse> findAllPubs() {
 
         return pubList.stream().map(GetPubsResponse::of).toList();
 }
+    public GetPubDetailsResponse findPubDetail(Integer pubId) {
+        Pub pub = pubRepository.findByPubId(pubId).orElseThrow(PubNotFoundException::new);
+        List<Menu> menu = pub.getMenus();
+        return GetPubDetailsResponse.of(pub,menu);
+    }
 }