Add room image reorder APIs

src/main/kotlin/com/android/trisolarisserver/controller/RoomImages.kt

@@ -3,6 +3,7 @@ package com.android.trisolarisserver.controller
 import com.android.trisolarisserver.component.PropertyAccess
 import com.android.trisolarisserver.component.RoomImageStorage
 import com.android.trisolarisserver.controller.dto.RoomImageResponse
+import com.android.trisolarisserver.controller.dto.RoomImageReorderRequest
 import com.android.trisolarisserver.models.room.RoomImage
 import com.android.trisolarisserver.models.property.Role
 import com.android.trisolarisserver.repo.RoomImageRepo
@@ -19,6 +20,7 @@ import org.springframework.web.bind.annotation.DeleteMapping
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.PutMapping
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
 import org.springframework.web.bind.annotation.ResponseStatus
@@ -29,6 +31,7 @@ import java.nio.file.Files
 import java.nio.file.Paths
 import java.security.MessageDigest
 import java.util.UUID
+import org.springframework.web.bind.annotation.RequestBody
 
 @RestController
 @RequestMapping("/properties/{propertyId}/rooms/{roomId}/images")
@@ -153,6 +156,72 @@ class RoomImages(
         }
     }
 
+    @PutMapping("/reorder-room")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    @Transactional
+    fun reorderRoomImages(
+        @PathVariable propertyId: UUID,
+        @PathVariable roomId: UUID,
+        @AuthenticationPrincipal principal: MyPrincipal?,
+        @RequestBody request: RoomImageReorderRequest
+    ) {
+        requirePrincipal(principal)
+        propertyAccess.requireMember(propertyId, principal!!.userId)
+        propertyAccess.requireAnyRole(propertyId, principal.userId, Role.ADMIN, Role.MANAGER)
+        ensureRoom(propertyId, roomId)
+
+        if (request.imageIds.isEmpty()) {
+            return
+        }
+        val images = roomImageRepo.findByIdIn(request.imageIds).toMutableList()
+        if (images.size != request.imageIds.size) {
+            throw ResponseStatusException(HttpStatus.NOT_FOUND, "Image not found")
+        }
+        if (images.any { it.room.id != roomId || it.property.id != propertyId }) {
+            throw ResponseStatusException(HttpStatus.BAD_REQUEST, "Images do not belong to room")
+        }
+        val orderMap = request.imageIds.withIndex().associate { it.value to it.index + 1 }
+        for (img in images) {
+            img.roomSortOrder = orderMap[img.id] ?: img.roomSortOrder
+        }
+        roomImageRepo.saveAll(images)
+    }
+
+    @PutMapping("/reorder-room-type")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    @Transactional
+    fun reorderRoomTypeImages(
+        @PathVariable propertyId: UUID,
+        @PathVariable roomId: UUID,
+        @AuthenticationPrincipal principal: MyPrincipal?,
+        @RequestBody request: RoomImageReorderRequest
+    ) {
+        requirePrincipal(principal)
+        propertyAccess.requireMember(propertyId, principal!!.userId)
+        propertyAccess.requireAnyRole(propertyId, principal.userId, Role.ADMIN, Role.MANAGER)
+        val room = ensureRoom(propertyId, roomId)
+
+        if (request.imageIds.isEmpty()) {
+            return
+        }
+        val images = roomImageRepo.findByIdIn(request.imageIds).toMutableList()
+        if (images.size != request.imageIds.size) {
+            throw ResponseStatusException(HttpStatus.NOT_FOUND, "Image not found")
+        }
+        val roomTypeCode = room.roomType.code
+        if (images.any { it.roomTypeCode != roomTypeCode }) {
+            throw ResponseStatusException(HttpStatus.BAD_REQUEST, "Images do not belong to room type")
+        }
+        if (images.any { it.property.id != propertyId }) {
+            throw ResponseStatusException(HttpStatus.BAD_REQUEST, "Images do not belong to property")
+        }
+        val orderMap = request.imageIds.withIndex().associate { it.value to it.index + 1 }
+        for (img in images) {
+            img.roomTypeSortOrder = orderMap[img.id] ?: img.roomTypeSortOrder
+        }
+        roomImageRepo.saveAll(images)
+    }
+
     @GetMapping("/{imageId}/file")
     fun file(
         @PathVariable propertyId: UUID,

src/main/kotlin/com/android/trisolarisserver/controller/dto/RoomDtos.kt

@@ -61,3 +61,7 @@ data class RoomUpsertRequest(
     val maintenance: Boolean,
     val notes: String?
 )
+
+data class RoomImageReorderRequest(
+    val imageIds: List<UUID>
+)

src/main/kotlin/com/android/trisolarisserver/repo/RoomImageRepo.kt

@@ -37,6 +37,7 @@ interface RoomImageRepo : JpaRepository<RoomImage, UUID> {
     )
     fun findByRoomTypeCodeForReorder(@Param("roomTypeCode") roomTypeCode: String): List<RoomImage>
     fun findByIdAndRoomIdAndPropertyId(id: UUID, roomId: UUID, propertyId: UUID): RoomImage?
+    fun findByIdIn(ids: Collection<UUID>): List<RoomImage>
     fun existsByRoomIdAndContentHash(roomId: UUID, contentHash: String): Boolean
 
     @Query("select coalesce(max(ri.roomSortOrder), 0) from RoomImage ri where ri.room.id = :roomId")