add :: queryReviewPicture api

src/main/kotlin/org/meogo/domain/review/presentation/ReviewController.kt

@@ -7,6 +7,7 @@ import org.meogo.domain.review.service.CreateReviewService
 import org.meogo.domain.review.service.DeleteReviewService
 import org.meogo.domain.review.service.ModifyReviewService
 import org.meogo.domain.review.service.QueryAllBySchoolIdService
+import org.meogo.domain.review.service.QueryReviewPictureService
 import org.springframework.http.HttpStatus
 import org.springframework.web.bind.annotation.DeleteMapping
 import org.springframework.web.bind.annotation.GetMapping
@@ -26,7 +27,8 @@ class ReviewController(
     private val createReviewService: CreateReviewService,
     private val queryAllBySchoolIdService: QueryAllBySchoolIdService,
     private val modifyReviewService: ModifyReviewService,
-    private val deleteReviewService: DeleteReviewService
+    private val deleteReviewService: DeleteReviewService,
+    private val queryReviewPictureService: QueryReviewPictureService
 ) {
     @PostMapping
     @ResponseStatus(value = HttpStatus.CREATED)
@@ -48,4 +50,8 @@ class ReviewController(
     @ResponseStatus(value = HttpStatus.NO_CONTENT)
     fun delete(@RequestParam(name = "review_id") reviewId: Long) =
         deleteReviewService.deleteReview(reviewId)
+
+    @GetMapping("/pic")
+    fun queryReviewPicture(@RequestParam(name = "school_id") schoolId: Int) =
+        queryReviewPictureService.queryReviewPicture(schoolId)
 }

src/main/kotlin/org/meogo/domain/review/presentation/dto/response/ReviewPictureResponse.kt

@@ -0,0 +1,5 @@
+package org.meogo.domain.review.presentation.dto.response
+
+data class ReviewPictureResponse(
+    val image: String
+)

src/main/kotlin/org/meogo/domain/review/service/QueryReviewPictureService.kt

@@ -0,0 +1,22 @@
+package org.meogo.domain.review.service
+
+import org.meogo.domain.review.presentation.dto.response.ReviewPictureResponse
+import org.meogo.domain.review.repository.ReviewRepository
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class QueryReviewPictureService(
+    private val reviewRepository: ReviewRepository
+) {
+
+    @Transactional
+    fun queryReviewPicture(schoolId: Int): List<ReviewPictureResponse> {
+        val reviews = reviewRepository.findAllBySchoolId(schoolId) ?: return emptyList()
+
+        val pictures = reviews
+            .mapNotNull { it.picture?.let { pic -> ReviewPictureResponse(pic) } }
+
+        return pictures
+    }
+}