Removes redundant DB data fields and adds photo submission endpoint along with MinIO support for image storage

src/main/kotlin/net/halfbinary/scavengerhuntapi/service/PhotoService.kt

@@ -0,0 +1,53 @@
+package net.halfbinary.scavengerhuntapi.service
+
+import net.coobird.thumbnailator.Thumbnails
+import net.halfbinary.scavengerhuntapi.model.HuntId
+import net.halfbinary.scavengerhuntapi.model.ItemId
+import net.halfbinary.scavengerhuntapi.model.PhotoStatus
+import net.halfbinary.scavengerhuntapi.model.converter.toRecord
+import net.halfbinary.scavengerhuntapi.model.domain.Photo
+import net.halfbinary.scavengerhuntapi.repository.PhotoRepository
+import org.springframework.http.MediaType
+import org.springframework.stereotype.Service
+import org.springframework.web.multipart.MultipartFile
+import java.io.ByteArrayInputStream
+import java.io.ByteArrayOutputStream
+import java.time.LocalDateTime
+
+@Service
+class PhotoService(
+    private val photoRepository: PhotoRepository,
+    private val hunterService: HunterService,
+    private val s3StorageService: S3StorageService
+) {
+    fun submitPhoto(huntId: HuntId, itemId: ItemId, email: String, file: MultipartFile): Photo {
+        val hunter = hunterService.getHunterByEmail(email)
+        val now = LocalDateTime.now()
+        val photo = Photo(
+            itemId = itemId,
+            huntId = huntId,
+            hunterId = hunter.id,
+            foundDateTime = now,
+            status = PhotoStatus.SUBMITTED,
+            statusChangeDateTime = now
+        )
+        val savedRecord = photoRepository.save(photo.toRecord())
+        val baseName = savedRecord.id.toString()
+
+        val originalBytes = file.bytes
+        s3StorageService.upload("$baseName.jpg", originalBytes, MediaType.IMAGE_JPEG_VALUE)
+        s3StorageService.upload("${baseName}_medium.jpg", resize(originalBytes, 800), MediaType.IMAGE_JPEG_VALUE)
+        s3StorageService.upload("${baseName}_thumb.jpg", resize(originalBytes, 200), MediaType.IMAGE_JPEG_VALUE)
+
+        return photo
+    }
+
+    private fun resize(bytes: ByteArray, width: Int): ByteArray {
+        val output = ByteArrayOutputStream()
+        Thumbnails.of(ByteArrayInputStream(bytes))
+            .width(width)
+            .outputFormat("jpg")
+            .toOutputStream(output)
+        return output.toByteArray()
+    }
+}