MicroUtils/repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/fallback/crud/AutoRecacheReadCRUDRepo.kt

97 lines
3.4 KiB
Kotlin

package dev.inmo.micro_utils.repos.cache.fallback.crud
import dev.inmo.micro_utils.coroutines.runCatchingSafely
import dev.inmo.micro_utils.pagination.Pagination
import dev.inmo.micro_utils.pagination.PaginationResult
import dev.inmo.micro_utils.repos.KeyValueRepo
import dev.inmo.micro_utils.repos.MapKeyValueRepo
import dev.inmo.micro_utils.repos.ReadCRUDRepo
import dev.inmo.micro_utils.repos.cache.fallback.ActionWrapper
import dev.inmo.micro_utils.repos.cache.util.actualizeAll
import dev.inmo.micro_utils.repos.cache.FallbackCacheRepo
import dev.inmo.micro_utils.repos.cache.util.ActualizeAllClearMode
import dev.inmo.micro_utils.repos.set
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.delay
import kotlinx.coroutines.isActive
import kotlinx.coroutines.launch
import kotlin.time.Duration.Companion.seconds
open class AutoRecacheReadCRUDRepo<RegisteredObject, Id>(
protected open val originalRepo: ReadCRUDRepo<RegisteredObject, Id>,
protected val scope: CoroutineScope,
protected val kvCache: KeyValueRepo<Id, RegisteredObject> = MapKeyValueRepo(),
protected val recacheDelay: Long = 60.seconds.inWholeMilliseconds,
protected val actionWrapper: ActionWrapper = ActionWrapper.Direct,
protected val idGetter: (RegisteredObject) -> Id
) : ReadCRUDRepo<RegisteredObject, Id>, FallbackCacheRepo {
val autoUpdateJob = scope.launch {
while (isActive) {
actualizeAll()
delay(recacheDelay)
}
}
constructor(
originalRepo: ReadCRUDRepo<RegisteredObject, Id>,
scope: CoroutineScope,
originalCallTimeoutMillis: Long,
kvCache: KeyValueRepo<Id, RegisteredObject> = MapKeyValueRepo(),
recacheDelay: Long = 60.seconds.inWholeMilliseconds,
idGetter: (RegisteredObject) -> Id
) : this(originalRepo, scope, kvCache, recacheDelay, ActionWrapper.Timeouted(originalCallTimeoutMillis), idGetter)
protected open suspend fun actualizeAll(): Result<Unit> {
return runCatchingSafely {
kvCache.actualizeAll(originalRepo)
}
}
override suspend fun contains(id: Id): Boolean = actionWrapper.wrap {
originalRepo.contains(id)
}.getOrElse {
kvCache.contains(id)
}
override suspend fun getAll(): Map<Id, RegisteredObject> = actionWrapper.wrap {
originalRepo.getAll()
}.onSuccess {
kvCache.actualizeAll(clearMode = ActualizeAllClearMode.BeforeSet) { it }
}.getOrElse {
kvCache.getAll()
}
override suspend fun count(): Long = actionWrapper.wrap {
originalRepo.count()
}.getOrElse {
kvCache.count()
}
override suspend fun getByPagination(
pagination: Pagination
): PaginationResult<RegisteredObject> = actionWrapper.wrap {
originalRepo.getByPagination(pagination)
}.getOrNull() ?.also {
it.results.forEach {
kvCache.set(idGetter(it), it)
}
} ?: kvCache.values(pagination)
override suspend fun getIdsByPagination(
pagination: Pagination
): PaginationResult<Id> = actionWrapper.wrap {
originalRepo.getIdsByPagination(pagination)
}.getOrElse { kvCache.keys(pagination) }
override suspend fun getById(id: Id): RegisteredObject? = actionWrapper.wrap {
originalRepo.getById(id)
}.getOrNull() ?.also {
kvCache.set(idGetter(it), it)
} ?: kvCache.get(id)
override suspend fun invalidate() {
actualizeAll()
}
}