51 lines
2.0 KiB
Kotlin
51 lines
2.0 KiB
Kotlin
package dev.inmo.plaguposter.posts.cached
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import korlibs.time.DateTime
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import dev.inmo.micro_utils.pagination.FirstPagePagination
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import dev.inmo.micro_utils.pagination.firstPageWithOneElementPagination
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import dev.inmo.micro_utils.pagination.utils.doForAllWithNextPaging
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import dev.inmo.micro_utils.repos.CRUDRepo
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import dev.inmo.micro_utils.repos.cache.cache.FullKVCache
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import dev.inmo.micro_utils.repos.cache.full.FullCRUDCacheRepo
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import dev.inmo.plaguposter.posts.models.NewPost
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import dev.inmo.plaguposter.posts.models.PostContentInfo
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import dev.inmo.plaguposter.posts.models.PostId
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import dev.inmo.plaguposter.posts.models.RegisteredPost
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import dev.inmo.plaguposter.posts.repo.PostsRepo
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import dev.inmo.tgbotapi.types.IdChatIdentifier
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import dev.inmo.tgbotapi.types.MessageIdentifier
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.flow.Flow
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class CachedPostsRepo(
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private val parentRepo: PostsRepo,
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private val scope: CoroutineScope,
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private val kvCache: FullKVCache<PostId, RegisteredPost> = FullKVCache()
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) : PostsRepo, CRUDRepo<RegisteredPost, PostId, NewPost> by FullCRUDCacheRepo(
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parentRepo,
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kvCache,
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scope,
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skipStartInvalidate = false,
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{ it.id }
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) {
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override val removedPostsFlow: Flow<RegisteredPost> by parentRepo::removedPostsFlow
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override suspend fun getIdByChatAndMessage(chatId: IdChatIdentifier, messageId: MessageIdentifier): PostId? {
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doForAllWithNextPaging(firstPageWithOneElementPagination) {
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kvCache.values(it).also {
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it.results.forEach {
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return it.takeIf {
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it.content.any { it.chatId == chatId && it.messageId == messageId }
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} ?.id ?: return@forEach
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}
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}
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}
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return null
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}
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override suspend fun getPostCreationTime(postId: PostId): DateTime? = getById(postId) ?.created
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override suspend fun getFirstMessageInfo(postId: PostId): PostContentInfo? = getById(postId) ?.content ?.firstOrNull()
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}
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