Add PayU payment link API
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androidlover5842
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package com.android.trisolarisserver.controller
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import com.android.trisolarisserver.component.PropertyAccess
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import com.android.trisolarisserver.controller.dto.PayuPaymentLinkCreateRequest
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import com.android.trisolarisserver.controller.dto.PayuPaymentLinkCreateResponse
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import com.android.trisolarisserver.models.booking.BookingStatus
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import com.android.trisolarisserver.models.property.Role
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import com.android.trisolarisserver.repo.BookingRepo
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import com.android.trisolarisserver.repo.PaymentRepo
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import com.android.trisolarisserver.repo.PayuPaymentLinkSettingsRepo
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import com.android.trisolarisserver.repo.RoomStayRepo
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import com.android.trisolarisserver.security.MyPrincipal
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import org.springframework.http.HttpEntity
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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.security.core.annotation.AuthenticationPrincipal
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import org.springframework.web.bind.annotation.PathVariable
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import org.springframework.web.bind.annotation.PostMapping
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import org.springframework.web.bind.annotation.RequestBody
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import org.springframework.web.bind.annotation.RequestMapping
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import org.springframework.web.bind.annotation.RestController
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import org.springframework.web.client.RestTemplate
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import org.springframework.web.server.ResponseStatusException
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import java.util.UUID
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@RestController
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@RequestMapping("/properties/{propertyId}/bookings/{bookingId}/payments/payu")
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class PayuPaymentLinksController(
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private val propertyAccess: PropertyAccess,
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private val bookingRepo: BookingRepo,
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private val roomStayRepo: RoomStayRepo,
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private val paymentRepo: PaymentRepo,
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private val settingsRepo: PayuPaymentLinkSettingsRepo,
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private val restTemplate: RestTemplate
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) {
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@PostMapping("/link")
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fun createPaymentLink(
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@PathVariable propertyId: UUID,
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@PathVariable bookingId: UUID,
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@AuthenticationPrincipal principal: MyPrincipal?,
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@RequestBody request: PayuPaymentLinkCreateRequest
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): PayuPaymentLinkCreateResponse {
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requireRole(propertyAccess, propertyId, principal, Role.ADMIN, Role.MANAGER, Role.FINANCE)
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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.NOT_FOUND, "Booking not found for property")
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}
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if (booking.status == BookingStatus.CANCELLED || booking.status == BookingStatus.NO_SHOW || booking.status == BookingStatus.CHECKED_OUT) {
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throw ResponseStatusException(HttpStatus.CONFLICT, "Booking closed")
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}
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val settings = settingsRepo.findByPropertyId(propertyId)
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?: throw ResponseStatusException(HttpStatus.BAD_REQUEST, "PayU payment link settings not configured")
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val stays = roomStayRepo.findByBookingId(bookingId)
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val expectedPay = computeExpectedPay(stays, booking.property.timezone)
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val collected = paymentRepo.sumAmountByBookingId(bookingId)
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val pending = expectedPay - collected
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if (pending <= 0) {
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throw ResponseStatusException(HttpStatus.CONFLICT, "No pending amount")
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}
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val isAmountFilledByCustomer = request.isAmountFilledByCustomer ?: false
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val requestedAmount = request.amount?.takeIf { it > 0 }
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if (!isAmountFilledByCustomer && requestedAmount == null) {
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// default to pending if not open amount
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}
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if (requestedAmount != null && requestedAmount > pending) {
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throw ResponseStatusException(HttpStatus.CONFLICT, "Amount exceeds pending")
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}
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val amountLong = if (isAmountFilledByCustomer) null else (requestedAmount ?: pending)
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val guest = booking.primaryGuest
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?: throw ResponseStatusException(HttpStatus.BAD_REQUEST, "Booking missing guest")
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val customerName = guest.name?.trim()?.ifBlank { null } ?: "Guest"
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val customerPhone = guest.phoneE164?.trim()?.ifBlank { null }
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?: throw ResponseStatusException(HttpStatus.BAD_REQUEST, "Guest phone missing")
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val customerEmail = "guest-${bookingId.toString().substring(0, 8)}@hoteltrisolaris.in"
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val body = mutableMapOf<String, Any>(
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"description" to (request.description?.trim()?.ifBlank { null } ?: "Booking $bookingId"),
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"source" to "API",
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"isPartialPaymentAllowed" to (request.isPartialPaymentAllowed ?: false),
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"isAmountFilledByCustomer" to isAmountFilledByCustomer,
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"customer" to mapOf(
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"name" to customerName,
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"email" to customerEmail,
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"phone" to customerPhone
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),
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"udf" to mapOf(
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"udf1" to bookingId.toString(),
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"udf2" to propertyId.toString(),
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"udf3" to (request.udf3?.trim()?.ifBlank { null }),
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"udf4" to (request.udf4?.trim()?.ifBlank { null }),
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"udf5" to (request.udf5?.trim()?.ifBlank { null })
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),
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"viaEmail" to (request.viaEmail ?: false),
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"viaSms" to (request.viaSms ?: false)
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)
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if (amountLong != null) {
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body["subAmount"] = amountLong
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}
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if (request.minAmountForCustomer != null) {
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body["minAmountForCustomer"] = request.minAmountForCustomer
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}
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request.expiryDate?.trim()?.ifBlank { null }?.let { body["expiryDate"] = it }
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val headers = HttpHeaders().apply {
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contentType = MediaType.APPLICATION_JSON
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set("Authorization", "Bearer ${settings.accessToken}")
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set("merchantId", settings.merchantId)
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}
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val entity = HttpEntity(body, headers)
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val response = restTemplate.postForEntity(resolveBaseUrl(settings.isTest), entity, String::class.java)
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val responseBody = response.body ?: ""
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if (!response.statusCode.is2xxSuccessful) {
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throw ResponseStatusException(HttpStatus.BAD_GATEWAY, "PayU request failed")
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}
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return PayuPaymentLinkCreateResponse(
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amount = amountLong ?: pending,
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currency = booking.property.currency,
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payuResponse = responseBody
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)
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}
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private fun resolveBaseUrl(isTest: Boolean): String {
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return if (isTest) {
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"https://uatoneapi.payu.in/payment-links"
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} else {
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"https://oneapi.payu.in/payment-links"
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}
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}
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private fun computeExpectedPay(stays: List<com.android.trisolarisserver.models.room.RoomStay>, timezone: String?): Long {
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if (stays.isEmpty()) return 0
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val now = nowForProperty(timezone)
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var total = 0L
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stays.forEach { stay ->
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val rate = stay.nightlyRate ?: 0L
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if (rate == 0L) return@forEach
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val start = stay.fromAt.toLocalDate()
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val endAt = stay.toAt ?: now
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val end = endAt.toLocalDate()
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val nights = daysBetweenInclusive(start, end)
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total += rate * nights
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}
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return total
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}
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private fun daysBetweenInclusive(start: java.time.LocalDate, end: java.time.LocalDate): Long {
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val diff = end.toEpochDay() - start.toEpochDay()
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return if (diff <= 0) 1L else diff
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}
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}
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