330 lines
16 KiB
Kotlin
330 lines
16 KiB
Kotlin
package com.android.trisolarisserver.controller
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import com.android.trisolarisserver.component.DocumentStorage
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import com.android.trisolarisserver.component.DocumentTokenService
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import com.android.trisolarisserver.component.ExtractionQueue
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import com.android.trisolarisserver.component.GuestDocumentEvents
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import com.android.trisolarisserver.component.LlamaClient
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import com.android.trisolarisserver.component.PropertyAccess
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import com.android.trisolarisserver.db.repo.BookingRepo
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import com.android.trisolarisserver.db.repo.GuestDocumentRepo
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import com.android.trisolarisserver.db.repo.GuestRepo
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import com.android.trisolarisserver.models.booking.GuestDocument
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import com.android.trisolarisserver.models.property.Role
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import com.android.trisolarisserver.repo.AppUserRepo
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import com.android.trisolarisserver.repo.PropertyRepo
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import com.android.trisolarisserver.security.MyPrincipal
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import com.fasterxml.jackson.databind.ObjectMapper
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import org.springframework.core.io.FileSystemResource
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import org.springframework.http.HttpHeaders
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import org.springframework.http.HttpStatus
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import org.springframework.http.MediaType
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import org.springframework.http.ResponseEntity
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import org.springframework.security.core.annotation.AuthenticationPrincipal
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import org.springframework.transaction.annotation.Transactional
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import org.springframework.web.bind.annotation.*
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import org.springframework.web.multipart.MultipartFile
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import org.springframework.web.server.ResponseStatusException
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import java.time.OffsetDateTime
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import java.nio.file.Files
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import java.nio.file.Paths
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import java.util.UUID
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import java.security.MessageDigest
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@RestController
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@RequestMapping("/properties/{propertyId}/guests/{guestId}/documents")
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class GuestDocuments(
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private val propertyAccess: PropertyAccess,
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private val propertyRepo: PropertyRepo,
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private val guestRepo: GuestRepo,
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private val bookingRepo: BookingRepo,
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private val guestDocumentRepo: GuestDocumentRepo,
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private val appUserRepo: AppUserRepo,
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private val storage: DocumentStorage,
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private val tokenService: DocumentTokenService,
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private val extractionQueue: ExtractionQueue,
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private val guestDocumentEvents: GuestDocumentEvents,
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private val llamaClient: LlamaClient,
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private val objectMapper: ObjectMapper,
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@org.springframework.beans.factory.annotation.Value("\${storage.documents.publicBaseUrl}")
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private val publicBaseUrl: String,
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@org.springframework.beans.factory.annotation.Value("\${storage.documents.aiBaseUrl:\${storage.documents.publicBaseUrl}}")
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private val aiBaseUrl: String
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) {
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@PostMapping
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@ResponseStatus(HttpStatus.CREATED)
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fun uploadDocument(
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@PathVariable propertyId: UUID,
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@PathVariable guestId: UUID,
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@AuthenticationPrincipal principal: MyPrincipal?,
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@RequestParam("bookingId") bookingId: UUID,
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@RequestPart("file") file: MultipartFile
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): GuestDocumentResponse {
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val user = requireUser(appUserRepo, principal)
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propertyAccess.requireMember(propertyId, user.id!!)
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propertyAccess.requireAnyRole(propertyId, user.id!!, Role.ADMIN, Role.MANAGER)
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if (file.isEmpty) {
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throw ResponseStatusException(HttpStatus.BAD_REQUEST, "File is empty")
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}
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val contentType = file.contentType
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if (contentType != null && contentType.startsWith("video/")) {
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throw ResponseStatusException(HttpStatus.BAD_REQUEST, "Video files are not allowed")
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}
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val (property, guest) = requirePropertyGuest(propertyRepo, guestRepo, propertyId, guestId)
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val booking = bookingRepo.findById(bookingId).orElseThrow {
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ResponseStatusException(HttpStatus.NOT_FOUND, "Booking not found")
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}
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if (booking.property.id != propertyId) {
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throw ResponseStatusException(HttpStatus.BAD_REQUEST, "Booking not in property")
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}
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if (booking.primaryGuest?.id != guestId) {
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throw ResponseStatusException(HttpStatus.BAD_REQUEST, "Booking not linked to guest")
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}
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val stored = storage.store(propertyId, guestId, bookingId, file)
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val fileHash = hashFile(stored.storagePath)
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if (fileHash != null && guestDocumentRepo.existsByPropertyIdAndGuestIdAndBookingIdAndFileHash(
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propertyId,
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guestId,
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bookingId,
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fileHash
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)
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) {
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Files.deleteIfExists(Paths.get(stored.storagePath))
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throw ResponseStatusException(HttpStatus.CONFLICT, "Duplicate document")
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}
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val document = GuestDocument(
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property = property,
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guest = guest,
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booking = booking,
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uploadedBy = user,
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originalFilename = stored.originalFilename,
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contentType = stored.contentType,
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sizeBytes = stored.sizeBytes,
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storagePath = stored.storagePath,
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fileHash = fileHash
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)
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val saved = guestDocumentRepo.save(document)
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runExtraction(saved.id!!, propertyId, guestId)
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guestDocumentEvents.emit(propertyId, guestId)
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return saved.toResponse(objectMapper)
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}
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@GetMapping
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fun listDocuments(
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@PathVariable propertyId: UUID,
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@PathVariable guestId: UUID,
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@AuthenticationPrincipal principal: MyPrincipal?
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): List<GuestDocumentResponse> {
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requireRole(propertyAccess, propertyId, principal, Role.ADMIN, Role.MANAGER)
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return guestDocumentRepo
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.findByPropertyIdAndGuestIdOrderByUploadedAtDesc(propertyId, guestId)
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.map { it.toResponse(objectMapper) }
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}
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@GetMapping("/stream")
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fun streamDocuments(
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@PathVariable propertyId: UUID,
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@PathVariable guestId: UUID,
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@AuthenticationPrincipal principal: MyPrincipal?
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): org.springframework.web.servlet.mvc.method.annotation.SseEmitter {
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requireRole(propertyAccess, propertyId, principal, Role.ADMIN, Role.MANAGER)
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return guestDocumentEvents.subscribe(propertyId, guestId)
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}
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@GetMapping("/{documentId}/file")
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fun downloadDocument(
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@PathVariable propertyId: UUID,
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@PathVariable guestId: UUID,
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@PathVariable documentId: UUID,
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@RequestParam(required = false) token: String?,
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@AuthenticationPrincipal principal: MyPrincipal?
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): ResponseEntity<FileSystemResource> {
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if (token == null) {
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requireRole(propertyAccess, propertyId, principal, Role.ADMIN, Role.MANAGER)
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} else if (!tokenService.validateToken(token, documentId.toString())) {
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throw ResponseStatusException(HttpStatus.UNAUTHORIZED, "Invalid token")
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}
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val document = guestDocumentRepo.findByIdAndPropertyIdAndGuestId(documentId, propertyId, guestId)
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?: throw ResponseStatusException(HttpStatus.NOT_FOUND, "Document not found")
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val path = Paths.get(document.storagePath)
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if (!Files.exists(path)) {
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throw ResponseStatusException(HttpStatus.NOT_FOUND, "File missing")
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}
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val resource = FileSystemResource(path)
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val type = document.contentType ?: MediaType.APPLICATION_OCTET_STREAM_VALUE
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return ResponseEntity.ok()
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.contentType(MediaType.parseMediaType(type))
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.header(HttpHeaders.CONTENT_DISPOSITION, "inline; filename=\"${document.originalFilename}\"")
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.contentLength(document.sizeBytes)
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.body(resource)
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}
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@DeleteMapping("/{documentId}")
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@ResponseStatus(HttpStatus.NO_CONTENT)
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@Transactional
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fun deleteDocument(
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@PathVariable propertyId: UUID,
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@PathVariable guestId: UUID,
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@PathVariable documentId: UUID,
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@AuthenticationPrincipal principal: MyPrincipal?
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) {
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requireRole(propertyAccess, propertyId, principal, Role.ADMIN, Role.MANAGER)
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val document = guestDocumentRepo.findByIdAndPropertyIdAndGuestId(documentId, propertyId, guestId)
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?: throw ResponseStatusException(HttpStatus.NOT_FOUND, "Document not found")
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val status = document.booking.status
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if (status != com.android.trisolarisserver.models.booking.BookingStatus.OPEN &&
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status != com.android.trisolarisserver.models.booking.BookingStatus.CHECKED_IN
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) {
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throw ResponseStatusException(
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HttpStatus.BAD_REQUEST,
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"Documents can only be deleted for OPEN or CHECKED_IN bookings"
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)
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}
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val path = Paths.get(document.storagePath)
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try {
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Files.deleteIfExists(path)
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} catch (_: Exception) {
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throw ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, "Failed to delete file")
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}
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guestDocumentRepo.delete(document)
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guestDocumentEvents.emit(propertyId, guestId)
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}
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private fun runExtraction(documentId: UUID, propertyId: UUID, guestId: UUID) {
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extractionQueue.enqueue {
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val document = guestDocumentRepo.findById(documentId).orElse(null) ?: return@enqueue
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try {
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val token = tokenService.createToken(document.id.toString())
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val imageUrl =
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"${aiBaseUrl}/properties/$propertyId/guests/$guestId/documents/${document.id}/file?token=$token"
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val results = linkedMapOf<String, String>()
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results["hasAadhar"] = llamaClient.ask(imageUrl, "CONTAINS AADHAAR? Answer YES or NO only.")
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results["hasUidai"] = llamaClient.ask(imageUrl, "CONTAINS UIDAI? Answer YES or NO only.")
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results["hasTransportDept"] = llamaClient.ask(imageUrl, "CONTAINS TRANSPORT DEPARTMENT? Answer YES or NO only.")
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results["hasIncomeTaxDept"] = llamaClient.ask(imageUrl, "CONTAINS INCOME TAX DEPARTMENT? Answer YES or NO only.")
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results["hasElectionCommission"] = llamaClient.ask(imageUrl, "CONTAINS ELECTION COMMISSION OF INDIA? Answer YES or NO only.")
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results["hasDrivingLicence"] = llamaClient.ask(imageUrl, "CONTAINS DRIVING LICENCE? Answer YES or NO only.")
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results["hasPassport"] = llamaClient.ask(imageUrl, "CONTAINS PASSPORT? Answer YES or NO only.")
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results["hasPolice"] = llamaClient.ask(imageUrl, "CONTAINS POLICE? Answer YES or NO only.")
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results["hasCourt"] = llamaClient.ask(imageUrl, "CONTAINS COURT? Answer YES or NO only.")
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results["hasHighCourt"] = llamaClient.ask(imageUrl, "CONTAINS HIGH COURT? Answer YES or NO only.")
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results["hasSupremeCourt"] = llamaClient.ask(imageUrl, "CONTAINS SUPREME COURT? Answer YES or NO only.")
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results["hasJudiciary"] = llamaClient.ask(imageUrl, "CONTAINS JUDICIARY? Answer YES or NO only.")
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results["hasAddress"] = llamaClient.ask(imageUrl, "ADDRESS PRESENT? Answer YES or NO only.")
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results["hasGender"] = llamaClient.ask(imageUrl, "GENDER PRESENT? Answer YES or NO only.")
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results["hasNationality"] = llamaClient.ask(imageUrl, "NATIONALITY PRESENT? Answer YES or NO only.")
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results["name"] = llamaClient.ask(imageUrl, "NAME? Reply only the name or NONE.")
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results["dob"] = llamaClient.ask(imageUrl, "DOB? Reply only date or NONE.")
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results["idNumber"] = llamaClient.ask(imageUrl, "ID NUMBER? Reply only number or NONE.")
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results["address"] = llamaClient.ask(imageUrl, "ADDRESS? Reply only address or NONE.")
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results["vehicleNumber"] = llamaClient.ask(imageUrl, "VEHICLE NUMBER? Reply only number or NONE.")
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results["isVehiclePhoto"] = llamaClient.ask(imageUrl, "IS THIS A VEHICLE PHOTO? Answer YES or NO only.")
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results["pinCode"] = llamaClient.ask(imageUrl, "PIN CODE? Reply only pin or NONE.")
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results["city"] = llamaClient.ask(imageUrl, "CITY? Reply only city or NONE.")
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results["gender"] = llamaClient.ask(imageUrl, "GENDER? Reply only MALE/FEMALE/OTHER or NONE.")
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results["nationality"] = llamaClient.ask(imageUrl, "NATIONALITY? Reply only nationality or NONE.")
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results["docType"] = when {
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results["hasCourt"].orEmpty().contains("YES", ignoreCase = true) ||
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results["hasHighCourt"].orEmpty().contains("YES", ignoreCase = true) ||
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results["hasSupremeCourt"].orEmpty().contains("YES", ignoreCase = true) ||
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results["hasJudiciary"].orEmpty().contains("YES", ignoreCase = true) -> "COURT_ID"
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results["hasPolice"].orEmpty().contains("YES", ignoreCase = true) -> "POLICE_ID"
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results["hasPassport"].orEmpty().contains("YES", ignoreCase = true) -> "PASSPORT"
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results["hasTransportDept"].orEmpty().contains("YES", ignoreCase = true) ||
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results["hasDrivingLicence"].orEmpty().contains("YES", ignoreCase = true) -> "TRANSPORT"
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results["hasIncomeTaxDept"].orEmpty().contains("YES", ignoreCase = true) -> "PAN"
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results["hasElectionCommission"].orEmpty().contains("YES", ignoreCase = true) -> "VOTER_ID"
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results["hasAadhar"].orEmpty().contains("YES", ignoreCase = true) ||
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results["hasUidai"].orEmpty().contains("YES", ignoreCase = true) -> {
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if (results["hasAddress"].orEmpty().contains("YES", ignoreCase = true)) "AADHAR_BACK" else "AADHAR_FRONT"
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}
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results["vehicleNumber"].orEmpty().isNotBlank() && !results["vehicleNumber"]!!.contains("NONE", true) -> "VEHICLE"
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results["isVehiclePhoto"].orEmpty().contains("YES", ignoreCase = true) -> "VEHICLE_PHOTO"
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else -> "UNKNOWN"
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}
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document.extractedData = objectMapper.writeValueAsString(results)
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document.extractedAt = OffsetDateTime.now()
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guestDocumentRepo.save(document)
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guestDocumentEvents.emit(propertyId, guestId)
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} catch (_: Exception) {
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// Keep upload successful even if AI extraction fails.
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}
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}
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}
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private fun hashFile(storagePath: String): String? {
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return try {
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val path = Paths.get(storagePath)
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if (!Files.exists(path)) return null
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val digest = MessageDigest.getInstance("SHA-256")
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Files.newInputStream(path).use { input ->
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val buffer = ByteArray(DEFAULT_BUFFER_SIZE)
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var read = input.read(buffer)
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while (read >= 0) {
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if (read > 0) {
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digest.update(buffer, 0, read)
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}
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read = input.read(buffer)
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}
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}
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digest.digest().joinToString("") { "%02x".format(it) }
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} catch (_: Exception) {
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null
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}
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}
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}
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data class GuestDocumentResponse(
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val id: UUID,
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val propertyId: UUID,
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val guestId: UUID,
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val bookingId: UUID,
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val uploadedByUserId: UUID,
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val uploadedAt: String,
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val originalFilename: String,
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val contentType: String?,
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val sizeBytes: Long,
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val extractedData: Map<String, String>?,
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val extractedAt: String?
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)
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private fun GuestDocument.toResponse(objectMapper: ObjectMapper): GuestDocumentResponse {
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val id = id ?: throw ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, "Document id missing")
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val extracted: Map<String, String>? = extractedData?.let {
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try {
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val raw = objectMapper.readValue(it, Map::class.java)
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raw.entries.associate { entry ->
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entry.key.toString() to (entry.value?.toString() ?: "")
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}
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} catch (_: Exception) {
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null
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}
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}
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return GuestDocumentResponse(
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id = id,
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propertyId = property.id!!,
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guestId = guest.id!!,
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bookingId = booking.id!!,
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uploadedByUserId = uploadedBy.id!!,
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uploadedAt = uploadedAt.toString(),
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originalFilename = originalFilename,
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contentType = contentType,
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sizeBytes = sizeBytes,
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extractedData = extracted,
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extractedAt = extractedAt?.toString()
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)
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}
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