Files
luminic-back/src/main/kotlin/space/luminic/budgerapp/services/SubscriptionService.kt
Vladimir Voronin 8b440ad9e8 clean up
2025-01-07 13:15:08 +03:00

98 lines
3.9 KiB
Kotlin

package space.luminic.budgerapp.services
import com.interaso.webpush.VapidKeys
import com.interaso.webpush.WebPushService
import kotlinx.serialization.encodeToString
import kotlinx.serialization.json.Json
import org.slf4j.LoggerFactory
import org.springframework.dao.DuplicateKeyException
import org.springframework.stereotype.Service
import reactor.core.publisher.Mono
import space.luminic.budgerapp.models.PushMessage
import space.luminic.budgerapp.models.Subscription
import space.luminic.budgerapp.models.SubscriptionDTO
import space.luminic.budgerapp.models.User
import space.luminic.budgerapp.repos.SubscriptionRepo
import space.luminic.budgerapp.services.VapidConstants.VAPID_PRIVATE_KEY
import space.luminic.budgerapp.services.VapidConstants.VAPID_PUBLIC_KEY
import space.luminic.budgerapp.services.VapidConstants.VAPID_SUBJECT
object VapidConstants {
const val VAPID_PUBLIC_KEY =
"BKmMyBUhpkcmzYWcYsjH_spqcy0zf_8eVtZo60f7949TgLztCmv3YD0E_vtV2dTfECQ4sdLdPK3ICDcyOkCqr84"
const val VAPID_PRIVATE_KEY = "YeJH_0LhnVYN6RdxMidgR6WMYlpGXTJS3HjT9V3NSGI"
const val VAPID_SUBJECT = "mailto:voroninvyu@gmail.com"
}
@Service
class SubscriptionService(private val subscriptionRepo: SubscriptionRepo) {
private val logger = LoggerFactory.getLogger(javaClass)
private val pushService =
WebPushService(
subject = VAPID_SUBJECT,
vapidKeys = VapidKeys.fromUncompressedBytes(VAPID_PUBLIC_KEY, VAPID_PRIVATE_KEY)
)
fun sendNotification(endpoint: String, p256dh: String, auth: String, payload: PushMessage): Mono<Void> {
return Mono.fromRunnable<Void> {
pushService.send(
payload = Json.encodeToString(payload),
endpoint = endpoint,
p256dh = p256dh,
auth = auth
)
}
.doOnSuccess {
logger.info("Уведомление успешно отправлено на endpoint: $endpoint")
}
.doOnError { e ->
logger.error("Ошибка при отправке уведомления на endpoint $endpoint: ${e.message}")
}
.onErrorResume { e ->
Mono.error(e) // Пробрасываем ошибку дальше, если нужна обработка выше
}
}
fun sendToAll(payload: PushMessage): Mono<List<String>> {
return subscriptionRepo.findAll()
.flatMap { sub ->
sendNotification(sub.endpoint, sub.p256dh, sub.auth, payload)
.then(Mono.just("${sub.user?.username} at endpoint ${sub.endpoint}"))
.onErrorResume { e ->
sub.isActive = false
subscriptionRepo.save(sub).then(Mono.empty())
}
}
.collectList() // Собираем результаты в список
}
fun subscribe(subscriptionDTO: SubscriptionDTO, user: User): Mono<String> {
val subscription = Subscription(
id = null,
user = user,
endpoint = subscriptionDTO.endpoint,
auth = subscriptionDTO.keys["auth"].orEmpty(),
p256dh = subscriptionDTO.keys["p256dh"].orEmpty(),
isActive = true
)
return subscriptionRepo.save(subscription)
.flatMap { savedSubscription ->
Mono.just("Subscription created with ID: ${savedSubscription.id}")
}
.onErrorResume(DuplicateKeyException::class.java) {
logger.info("Subscription already exists. Skipping.")
Mono.just("Subscription already exists. Skipping.")
}
.onErrorResume { e ->
logger.error("Error while saving subscription: ${e.message}")
Mono.error(RuntimeException("Error while saving subscription"))
}
}
}