InsanusMokrassar/MicroUtils
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ids in crud repos

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InsanusMokrassar
2022-12-02 13:46:06 +06:00
parent 04c301d1ac
commit 217e977f0d
14 changed files with 88 additions and 0 deletions
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1
repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/StandartCRUDRepo.kt
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@@ -6,6 +6,7 @@ import kotlinx.coroutines.flow.Flow
interface ReadCRUDRepo<ObjectType, IdType> : Repo {
suspend fun getByPagination(pagination: Pagination): PaginationResult<ObjectType>
suspend fun getIdsByPagination(pagination: Pagination): PaginationResult<IdType>
suspend fun getById(id: IdType): ObjectType?
suspend fun contains(id: IdType): Boolean
suspend fun count(): Long

8
repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/mappers/CRUDMappers.kt
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@@ -20,6 +20,14 @@ open class MapperReadCRUDRepo<FromId, FromRegistered, ToId, ToRegistered>(
)
}
override suspend fun getIdsByPagination(pagination: Pagination): PaginationResult<FromId> = to.getIdsByPagination(
pagination
).let {
it.changeResultsUnchecked(
it.results.map { it.toInnerKey() }
)
}
override suspend fun count(): Long = to.count()
override suspend fun contains(id: FromId): Boolean = to.contains(id.toOutKey())

20
repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/crud/AbstractAndroidCRUDRepo.kt
View File

@@ -16,6 +16,7 @@ abstract class AbstractAndroidCRUDRepo<ObjectType, IdType>(
protected abstract val tableName: String
protected abstract val idColumnName: String
protected abstract suspend fun Cursor.toObject(): ObjectType
protected abstract suspend fun Cursor.toId(): IdType
protected fun SQLiteDatabase.count(): Long = select(tableName).use {
it.count
}.toLong()
@@ -64,4 +65,23 @@ abstract class AbstractAndroidCRUDRepo<ObjectType, IdType>(
}
}
}
override suspend fun getIdsByPagination(pagination: Pagination): PaginationResult<IdType> {
return helper.readableTransaction {
select(
tableName,
limit = pagination.limitClause()
).use {
if (it.moveToFirst()) {
val resultList = mutableListOf(it.toId())
while (it.moveToNext()) {
resultList.add(it.toId())
}
resultList.createPaginationResult(pagination, count())
} else {
emptyList<IdType>().createPaginationResult(pagination, 0)
}
}
}
}
}