Implements get photo information endpoint

src/main/kotlin/net/halfbinary/scavengerhuntapi/controller/TeamController.kt

@@ -69,8 +69,9 @@ class TeamController(private val teamService: TeamService, private val photoServ
     fun getPhotoInfo(@PathVariable huntId: HuntId,
                  @PathVariable teamId: TeamId,
                  @PathVariable itemId: ItemId,
-                 @PathVariable photoId: PhotoId): ResponseEntity<PhotoResponse> {
-        TODO("Get photo information for the specified Team, Hunt, Item, and Photo. Join on the Hunter table to get the Hunter name. Also verify that the requesting user is either an admin or is on the same Hunt and Team as the Hunter who submitted the Photo")
+                 @PathVariable photoId: PhotoId,
+                 authentication: Authentication): ResponseEntity<PhotoResponse> {
+        return ResponseEntity.ok(photoService.getPhotoInfo(huntId, teamId, itemId, photoId, authentication.name))
     }
 
     @GetMapping("/{teamId}/item/{itemId}/photo/{photoId}/file")

src/main/kotlin/net/halfbinary/scavengerhuntapi/error/ExceptionHandler.kt

@@ -1,6 +1,7 @@
 package net.halfbinary.scavengerhuntapi.error
 
 import net.halfbinary.scavengerhuntapi.error.exception.BadFileException
+import net.halfbinary.scavengerhuntapi.error.exception.ForbiddenException
 import net.halfbinary.scavengerhuntapi.error.exception.InvalidEmailException
 import net.halfbinary.scavengerhuntapi.error.exception.LoginFailedException
 import net.halfbinary.scavengerhuntapi.error.exception.NotFoundException
@@ -46,6 +47,12 @@ class ExceptionHandler {
         return e.message
     }
 
+    @ExceptionHandler(ForbiddenException::class)
+    @ResponseStatus(HttpStatus.FORBIDDEN)
+    fun forbiddenException(e: ForbiddenException): String? {
+        return e.message
+    }
+
     @ExceptionHandler(HttpMessageNotReadableException::class)
     @ResponseStatus(HttpStatus.BAD_REQUEST)
     fun httpMessageNotReadableException(e: HttpMessageNotReadableException): Map<String, String?> {

src/main/kotlin/net/halfbinary/scavengerhuntapi/error/exception/ForbiddenException.kt

@@ -0,0 +1,3 @@
+package net.halfbinary.scavengerhuntapi.error.exception
+
+class ForbiddenException(override val message: String): RuntimeException(message)

src/main/kotlin/net/halfbinary/scavengerhuntapi/model/converter/PhotoConverter.kt

@@ -15,6 +15,16 @@ fun Photo.toRecord() = PhotoRecord(
     statusChangeDateTime = statusChangeDateTime
 )
 
+fun PhotoRecord.toDomain() = Photo(
+    id = id,
+    itemId = itemId,
+    huntId = huntId,
+    hunterId = hunterId,
+    foundDateTime = foundDateTime,
+    status = status,
+    statusChangeDateTime = statusChangeDateTime
+)
+
 fun Photo.toResponse(hunter: Hunter) = PhotoResponse(
     id = id,
     hunterName = hunter.name,

src/main/kotlin/net/halfbinary/scavengerhuntapi/repository/PhotoRepository.kt

@@ -1,19 +1,13 @@
 package net.halfbinary.scavengerhuntapi.repository
 
+import net.halfbinary.scavengerhuntapi.model.HuntId
 import net.halfbinary.scavengerhuntapi.model.ItemId
 import net.halfbinary.scavengerhuntapi.model.PhotoId
 import net.halfbinary.scavengerhuntapi.model.record.PhotoRecord
 import org.springframework.data.jpa.repository.JpaRepository
-import org.springframework.data.jpa.repository.Query
 import org.springframework.stereotype.Repository
-
 @Repository
 interface PhotoRepository : JpaRepository<PhotoRecord, PhotoId> {
-    @Query("""
-        SELECT *
-        FROM photo p
-        WHERE
-        p.
-    """, nativeQuery = true)
-    fun findPhotosByItemId(itemId: ItemId): List<PhotoRecord>
+    fun findByItemId(itemId: ItemId): List<PhotoRecord>
+    fun findByIdAndItemIdAndHuntId(id: PhotoId, itemId: ItemId, huntId: HuntId): PhotoRecord?
 }

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

@@ -1,6 +1,7 @@
 package net.halfbinary.scavengerhuntapi.service
 
 import net.halfbinary.scavengerhuntapi.error.exception.NotFoundException
+import net.halfbinary.scavengerhuntapi.model.HunterId
 import net.halfbinary.scavengerhuntapi.model.converter.toDomain
 import net.halfbinary.scavengerhuntapi.model.domain.Hunter
 import net.halfbinary.scavengerhuntapi.repository.HunterRepository
@@ -12,4 +13,8 @@ class HunterService(private val hunterRepository: HunterRepository) {
         return hunterRepository.findByEmail(email)?.toDomain()
             ?: throw NotFoundException("No hunter with email $email found")
     }
+
+    fun getHunterById(hunterId: HunterId): Hunter {
+        return hunterRepository.findById(hunterId).orElseThrow { NotFoundException("No hunter with id $hunterId found") }.toDomain()
+    }
 }

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

@@ -3,11 +3,18 @@ package net.halfbinary.scavengerhuntapi.service
 import net.coobird.thumbnailator.Thumbnails
 import net.coobird.thumbnailator.tasks.UnsupportedFormatException
 import net.halfbinary.scavengerhuntapi.error.exception.BadFileException
+import net.halfbinary.scavengerhuntapi.error.exception.ForbiddenException
+import net.halfbinary.scavengerhuntapi.error.exception.NotFoundException
 import net.halfbinary.scavengerhuntapi.model.HuntId
 import net.halfbinary.scavengerhuntapi.model.ItemId
+import net.halfbinary.scavengerhuntapi.model.PhotoId
 import net.halfbinary.scavengerhuntapi.model.PhotoStatus
+import net.halfbinary.scavengerhuntapi.model.TeamId
+import net.halfbinary.scavengerhuntapi.model.converter.toDomain
 import net.halfbinary.scavengerhuntapi.model.converter.toRecord
+import net.halfbinary.scavengerhuntapi.model.converter.toResponse
 import net.halfbinary.scavengerhuntapi.model.domain.Photo
+import net.halfbinary.scavengerhuntapi.model.response.PhotoResponse
 import net.halfbinary.scavengerhuntapi.repository.PhotoRepository
 import org.springframework.http.MediaType
 import org.springframework.stereotype.Service
@@ -20,6 +27,7 @@ import java.time.LocalDateTime
 class PhotoService(
     private val photoRepository: PhotoRepository,
     private val hunterService: HunterService,
+    private val teamService: TeamService,
     private val s3StorageService: S3StorageService,
     private val fileProbeService: FileProbeService
 ) {
@@ -54,6 +62,20 @@ class PhotoService(
         s3StorageService.upload("${baseName}_small.jpg", resize(originalBytes, 200), MediaType.IMAGE_JPEG_VALUE)
     }
 
+    fun getPhotoInfo(huntId: HuntId, teamId: TeamId, itemId: ItemId, photoId: PhotoId, email: String): PhotoResponse {
+        val requestingHunter = hunterService.getHunterByEmail(email)
+        val photoRecord = photoRepository.findByIdAndItemIdAndHuntId(photoId, itemId, huntId)
+            ?: throw NotFoundException("Photo not found")
+
+        if (!requestingHunter.isAdmin) {
+            val team = teamService.getTeamForHunterInHunt(huntId, email)
+            if (team.id != teamId) throw ForbiddenException("Access denied")
+        }
+
+        val submitter = hunterService.getHunterById(photoRecord.hunterId)
+        return photoRecord.toDomain().toResponse(submitter)
+    }
+
     private fun toJpeg(bytes: ByteArray): ByteArray {
         val output = ByteArrayOutputStream()
         Thumbnails.of(ByteArrayInputStream(bytes))