Merge pull request #35 from FourPointSevenFive/fix-be/user-favorite-t…

…oggle

feature(be) - implement API to check favorite button clicked in map page and detail page

backend/src/main/java/com/hallyugo/hallyugo/favorite/controller/FavoriteController.java

@@ -5,6 +5,8 @@
 import com.hallyugo.hallyugo.favorite.service.FavoriteService;
 import com.hallyugo.hallyugo.user.domain.User;
 import lombok.RequiredArgsConstructor;
+import net.minidev.json.JSONObject;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -47,4 +49,22 @@ public ResponseEntity<Void> decreaseFavoriteCount(
         favoriteService.decreaseFavoriteCountAndDelete(user, locationId);
         return ResponseEntity.ok().build();
     }
+
+    @GetMapping(value = "favorite", params = "location_id")
+    public ResponseEntity<String> checkFavoriteClicked(
+            @AuthUser User user,
+            @RequestParam(name = "location_id") Long locationId
+    ) {
+        String result;
+        boolean isClicked = favoriteService.checkFavoriteClicked(user, locationId);
+
+        if (isClicked) {
+            result = new JSONObject().put("result", true).toString();
+        } else {
+            result = new JSONObject().put("result", false).toString();
+
+        }
+
+        return ResponseEntity.ok().contentType(MediaType.APPLICATION_JSON).body(result);
+    }
 }

backend/src/main/java/com/hallyugo/hallyugo/favorite/service/FavoriteService.java

@@ -100,4 +100,8 @@ public void decreaseFavoriteCountAndDelete(User user, Long locationId) {
             favoriteRepository.deleteByUserIdAndLocationId(user.getId(), locationId);
         }
     }
+
+    public boolean checkFavoriteClicked(User user, Long locationId) {
+        return favoriteRepository.existsByUserIdAndLocationId(user.getId(), locationId);
+    }
 }