[#36] 파일 벌크 업로드 API 추가

common/src/main/kotlin/org/kkeunkkeun/pregen/common/domain/Constant.kt

@@ -9,5 +9,9 @@ class Constant {
         const val MAX_IMAGE_FILE_SIZE = 10 * 1024 * 1024
 
         val ALLOWED_IMAGE_FILE_EXTENSIONS = setOf("image/jpeg", "image/png")
+
+        val ALLOWED_AUDIO_FILE_EXTENSIONS = setOf("audio/mpeg")
+
+        val ALLOWED_FILE_EXTENSIONS = ALLOWED_AUDIO_FILE_EXTENSIONS + ALLOWED_IMAGE_FILE_EXTENSIONS
     }
 }

presentation-api/src/main/kotlin/org/kkeunkkeun/pregen/presentation/feedback/domain/Feedback.kt

@@ -16,6 +16,6 @@ class Feedback(
 
     val practiceId: Long,
 
-    @Column(columnDefinition = "smallint(5) unsigned")
+    @Column(columnDefinition = "smallint unsigned")
     val score: Int
 )

presentation-api/src/main/kotlin/org/kkeunkkeun/pregen/presentation/file/infrastructure/FileProperties.kt

@@ -5,9 +5,14 @@ import org.springframework.boot.context.properties.ConfigurationProperties
 @ConfigurationProperties(prefix = "file")
 data class FileProperties(
     val basePath: String = "",
-    val thumbnailPath: String = ""
+    val thumbnailPath: String = "",
+    val audioPath: String = "",
 ) {
     val fullThumbnailPath: String
         get() = "$basePath/$thumbnailPath"
             .replace("//", "/")
+
+    val fullAudioPath: String
+        get() = "$basePath/$audioPath"
+            .replace("//", "/")
 }

presentation-api/src/main/kotlin/org/kkeunkkeun/pregen/presentation/file/presentation/FileController.kt

@@ -22,4 +22,14 @@ class FileController(
         return ResponseEntity.status(CREATED)
             .body(FileResponse.from(fileEntity))
     }
+
+    @PostMapping("/upload/bulk")
+    fun uploadBulkFile(
+        @RequestPart(name = "file") multipartFiles: List<MultipartFile>
+    ): ResponseEntity<FileListResponse> {
+        val fileEntities = fileUploadService.uploadBulk(multipartFiles)
+
+        return ResponseEntity.status(CREATED)
+            .body(FileListResponse.from(fileEntities))
+    }
 }

presentation-api/src/main/kotlin/org/kkeunkkeun/pregen/presentation/file/presentation/FileListResponse.kt

@@ -0,0 +1,16 @@
+package org.kkeunkkeun.pregen.presentation.file.presentation
+
+import org.kkeunkkeun.pregen.presentation.file.domain.File
+
+data class FileListResponse(
+    val files: List<FileResponse>,
+) {
+
+    companion object {
+        fun from(files: List<File>): FileListResponse {
+            val fileResponses = files.map { file -> FileResponse.from(file) }
+
+            return FileListResponse(fileResponses)
+        }
+    }
+}

presentation-api/src/main/kotlin/org/kkeunkkeun/pregen/presentation/file/service/FileUploadService.kt

@@ -1,26 +1,36 @@
 package org.kkeunkkeun.pregen.presentation.file.service
 
 import org.kkeunkkeun.pregen.presentation.file.domain.File
-import org.kkeunkkeun.pregen.presentation.file.infrastructure.FileProperties
 import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
 import org.springframework.util.StringUtils
 import org.springframework.web.multipart.MultipartFile
-import java.util.UUID
+import java.util.*
 
 @Service
+@Transactional
 class FileUploadService(
     private val validator: FileValidator,
     private val fileRepository: FileRepository,
     private val fileWriter: FileWriter,
-    private val fileProperties: FileProperties,
 ) {
 
     fun upload(file: MultipartFile): File {
         validator.validate(file)
 
+        return saveAndWriteFile(file)
+    }
+
+    fun uploadBulk(files: List<MultipartFile>): List<File> {
+        files.forEach { file -> validator.validate(file) }
+
+        return files.map { file -> this.saveAndWriteFile(file) }
+    }
+
+    private fun saveAndWriteFile(file: MultipartFile): File {
         val fileEntity = fileWriter.writeMultipartFile(
             file = file,
-            path = fileProperties.fullThumbnailPath,
+            path = validator.detectPath(file),
             physicalName = generateFilePhysicalName(file)
         )
 

presentation-api/src/main/kotlin/org/kkeunkkeun/pregen/presentation/file/service/FileValidator.kt

@@ -1,12 +1,17 @@
 package org.kkeunkkeun.pregen.presentation.file.service
 
+import org.kkeunkkeun.pregen.common.domain.Constant.Companion.ALLOWED_AUDIO_FILE_EXTENSIONS
+import org.kkeunkkeun.pregen.common.domain.Constant.Companion.ALLOWED_FILE_EXTENSIONS
 import org.kkeunkkeun.pregen.common.domain.Constant.Companion.ALLOWED_IMAGE_FILE_EXTENSIONS
 import org.kkeunkkeun.pregen.common.domain.Constant.Companion.MAX_IMAGE_FILE_SIZE
+import org.kkeunkkeun.pregen.presentation.file.infrastructure.FileProperties
 import org.springframework.stereotype.Service
 import org.springframework.web.multipart.MultipartFile
 
 @Service
-class FileValidator {
+class FileValidator(
+    private val fileProperties: FileProperties,
+) {
 
     fun validate(file: MultipartFile) {
         if (file.isEmpty) {
@@ -20,8 +25,20 @@ class FileValidator {
         }
 
         // Check the file type
-        if (!ALLOWED_IMAGE_FILE_EXTENSIONS.contains(file.contentType)) {
-            throw IllegalStateException("Invalid file type. Only JPG and PNG files are allowed.")
+        if (!ALLOWED_FILE_EXTENSIONS.contains(file.contentType)) {
+            throw IllegalStateException("Invalid file type.")
         }
     }
+
+    fun detectPath(file: MultipartFile): String {
+        if (ALLOWED_IMAGE_FILE_EXTENSIONS.contains(file.contentType)) {
+            return fileProperties.fullThumbnailPath
+        }
+
+        if (ALLOWED_AUDIO_FILE_EXTENSIONS.contains(file.contentType)) {
+            return fileProperties.fullAudioPath
+        }
+
+        throw IllegalStateException("Invalid file type.")
+    }
 }

presentation-api/src/main/resources/application.yml

@@ -29,7 +29,7 @@ spring:
     password: admin
   jpa:
     hibernate:
-      ddl-auto: create
+      ddl-auto: validate
     properties:
       show_sql: false
       hibernate:
@@ -38,3 +38,4 @@ spring:
 file:
   base-path: ./data
   thumbnail-path: /thumbnails
+  audio-path: /audios