Feat - 프롬프트 검색 기능

src/main/java/com/progbe/domain/category/dto/CategoryResponse.java

@@ -7,6 +7,7 @@ public record CategoryResponse(
         String name,
         String description
 ) {
+
     public static CategoryResponse from(CategoryEntity entity) {
         return new CategoryResponse(
                 entity.getId(),

src/main/java/com/progbe/domain/prompt/controller/PromptController.java

@@ -156,5 +156,17 @@ public ApiResponse<PromptLikeResponse> likePrompt(@PathVariable Long promptId, @
         PromptLikeResponse likePrompt = promptService.likePrompt(promptId, userId);
         return ApiResponse.success(likePrompt);
     }
+
+    /**
+     * 프롬프트 제목 기준 검색 API
+     * @param keyword
+     * @param pageable
+     * @return
+     */
+    @GetMapping("/search/{keyword}")
+    public ApiResponse<PromptListResponse> searchPrompts(@PathVariable("keyword") String keyword, Pageable pageable) {
+        PromptListResponse promptListResponse = promptService.searchPromptsByTitle(keyword, pageable);
+        return ApiResponse.success(promptListResponse);
+    }
 }
 

src/main/java/com/progbe/domain/prompt/dto/PromptSummaryResponse.java

@@ -1,6 +1,7 @@
 package com.progbe.domain.prompt.dto;
 
 import com.progbe.domain.category.dto.CategoryResponse;
+import com.progbe.domain.prompt.entity.PromptEntity;
 
 import java.time.LocalDateTime;
 
@@ -11,5 +12,14 @@ public record PromptSummaryResponse(
         LocalDateTime createdAt,
         LocalDateTime updatedAt
 ) {
+    public static PromptSummaryResponse of(PromptEntity promptEntity) {
+        return new PromptSummaryResponse(
+                promptEntity.getId(),
+                CategoryResponse.from(promptEntity.getCategory()),
+                promptEntity.getTitle(),
+                promptEntity.getCreatedAt(),
+                promptEntity.getUpdatedAt()
+        );
+    }
 }
 

src/main/java/com/progbe/domain/prompt/repository/PromptRepository.java

@@ -60,6 +60,14 @@ public interface PromptRepository extends JpaRepository<PromptEntity, Long> {
             "ORDER BY COUNT(pl) DESC, p.createdAt DESC")
     Page<PromptEntity> findPromptSortedLikeCount(Pageable pageable);
 
+    @Query("SELECT p FROM PromptEntity p " +
+            "JOIN FETCH p.category " +
+            "WHERE p.title LIKE %:keyword% " +
+            "AND p.deletedAt IS NULL " +
+            "ORDER BY p.createdAt DESC")
+    Page<PromptEntity> findByTitleContaining(@Param("keyword") String keyword, Pageable pageable);
+
+
     @Query("SELECT p FROM PromptEntity p " +
             "JOIN FETCH p.category " +
             "LEFT JOIN PromptLikeEntity pl ON pl.prompt = p " +

src/main/java/com/progbe/domain/prompt/service/PromptService.java

@@ -190,4 +190,16 @@ public PromptLikeResponse likePrompt(Long promptId, Long userId) {
         promptLikeRepository.save(newLike);
         return PromptLikeResponse.of(LikeStatus.LIKE);
     }
+
+    // 프롬프트 검색 로직 (#33)
+    public PromptListResponse searchPromptsByTitle(String keyword, Pageable pageable) {
+        Page<PromptEntity> searchResult = promptRepository.findByTitleContaining(keyword, pageable);
+
+        return new PromptListResponse(
+                searchResult.getContent().stream()
+                        .map(PromptSummaryResponse::of)
+                        .toList(),
+                searchResult.getTotalElements()
+        );
+    }
 }