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new ReadOneToManyKeyValueRepo#keys

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InsanusMokrassar
2020-11-14 16:44:28 +06:00
parent 498cd12f94
commit 3ba630684a
8 changed files with 98 additions and 1 deletions
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12
repos/inmemory/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapOneToManyKeyValueRepo.kt
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@@ -32,6 +32,18 @@ class MapReadOneToManyKeyValueRepo<Key, Value>(
}
}
override suspend fun keys(v: Value, pagination: Pagination, reversed: Boolean): PaginationResult<Key> {
val keys = map.keys.filter { map[it] ?.contains(v) == true }
val actualPagination = if (reversed) pagination.reverse(keys.size) else pagination
return keys.paginate(actualPagination).let {
if (reversed) {
it.copy(results = it.results.reversed())
} else {
it
}
}
}
override suspend fun contains(k: Key): Boolean = map.containsKey(k)
override suspend fun contains(k: Key, v: Value): Boolean = map[k] ?.contains(v) == true