111 lines
4.0 KiB
Kotlin
111 lines
4.0 KiB
Kotlin
package dev.inmo.micro_utils.repos
|
|
|
|
import dev.inmo.micro_utils.pagination.*
|
|
import dev.inmo.micro_utils.pagination.utils.paginate
|
|
import dev.inmo.micro_utils.pagination.utils.reverse
|
|
import kotlinx.coroutines.flow.*
|
|
|
|
class MapReadKeyValuesRepo<Key, Value>(
|
|
private val map: Map<Key, List<Value>> = emptyMap()
|
|
) : ReadKeyValuesRepo<Key, Value> {
|
|
override suspend fun get(k: Key, pagination: Pagination, reversed: Boolean): PaginationResult<Value> {
|
|
val list = map[k] ?: return emptyPaginationResult()
|
|
|
|
return list.paginate(
|
|
if (reversed) {
|
|
pagination.reverse(list.size)
|
|
} else {
|
|
pagination
|
|
}
|
|
)
|
|
}
|
|
|
|
override suspend fun keys(pagination: Pagination, reversed: Boolean): PaginationResult<Key> {
|
|
val keys = map.keys
|
|
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 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
|
|
|
|
override suspend fun count(k: Key): Long = map[k] ?.size ?.toLong() ?: 0L
|
|
|
|
override suspend fun count(): Long = map.size.toLong()
|
|
}
|
|
|
|
class MapWriteKeyValuesRepo<Key, Value>(
|
|
private val map: MutableMap<Key, MutableList<Value>> = mutableMapOf()
|
|
) : WriteKeyValuesRepo<Key, Value> {
|
|
private val _onNewValue: MutableSharedFlow<Pair<Key, Value>> = MutableSharedFlow()
|
|
override val onNewValue: Flow<Pair<Key, Value>> = _onNewValue.asSharedFlow()
|
|
private val _onValueRemoved: MutableSharedFlow<Pair<Key, Value>> = MutableSharedFlow()
|
|
override val onValueRemoved: Flow<Pair<Key, Value>> = _onValueRemoved.asSharedFlow()
|
|
private val _onDataCleared: MutableSharedFlow<Key> = MutableSharedFlow()
|
|
override val onDataCleared: Flow<Key> = _onDataCleared.asSharedFlow()
|
|
|
|
override suspend fun add(toAdd: Map<Key, List<Value>>) {
|
|
toAdd.keys.forEach { k ->
|
|
if (map.getOrPut(k) { mutableListOf() }.addAll(toAdd[k] ?: return@forEach)) {
|
|
toAdd[k] ?.forEach { v ->
|
|
_onNewValue.emit(k to v)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
override suspend fun remove(toRemove: Map<Key, List<Value>>) {
|
|
toRemove.keys.forEach { k ->
|
|
if (map[k] ?.removeAll(toRemove[k] ?: return@forEach) == true) {
|
|
toRemove[k] ?.forEach { v ->
|
|
_onValueRemoved.emit(k to v)
|
|
}
|
|
}
|
|
if (map[k] ?.isEmpty() == true) {
|
|
map.remove(k)
|
|
_onDataCleared.emit(k)
|
|
}
|
|
}
|
|
}
|
|
|
|
override suspend fun clear(k: Key) {
|
|
map.remove(k) ?.also { _onDataCleared.emit(k) }
|
|
}
|
|
|
|
override suspend fun clearWithValue(v: Value) {
|
|
map.forEach { (k, values) ->
|
|
if (values.remove(v)) _onValueRemoved.emit(k to v)
|
|
}
|
|
}
|
|
}
|
|
|
|
@Suppress("DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE")
|
|
class MapKeyValuesRepo<Key, Value>(
|
|
private val map: MutableMap<Key, MutableList<Value>> = mutableMapOf()
|
|
) : KeyValuesRepo<Key, Value>,
|
|
ReadKeyValuesRepo<Key, Value> by MapReadKeyValuesRepo(map),
|
|
WriteKeyValuesRepo<Key, Value> by MapWriteKeyValuesRepo(map)
|
|
|
|
fun <K, V> MutableMap<K, List<V>>.asKeyValuesRepo(): KeyValuesRepo<K, V> = MapKeyValuesRepo(
|
|
map { (k, v) -> k to v.toMutableList() }.toMap().toMutableMap()
|
|
)
|