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InsanusMokrassar
2021-06-15 14:24:00 +06:00
parent eba41066b4
commit a411355b4f
11 changed files with 94 additions and 13 deletions
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13
repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/DatabaseOperations.kt
View File

@@ -74,6 +74,19 @@ fun SQLiteDatabase.select(
table, columns, selection, selectionArgs, groupBy, having, orderBy, limit
)
fun SQLiteDatabase.selectDistinct(
table: String,
columns: Array<String>? = null,
selection: String? = null,
selectionArgs: Array<String>? = null,
groupBy: String? = null,
having: String? = null,
orderBy: String? = null,
limit: String? = null
) = query(
true, table, columns, selection, selectionArgs, groupBy, having, orderBy, limit
)
fun makePlaceholders(count: Int): String {
return (0 until count).joinToString { "?" }
}

15
repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/onetomany/OneToManyAndroidRepo.kt
View File

@@ -35,7 +35,9 @@ class OneToManyAndroidRepo<Key, Value>(
override val onDataCleared: Flow<Key> = _onDataCleared.asSharedFlow()
private val idColumnName = "id"
private val idColumnArray = arrayOf(idColumnName)
private val valueColumnName = "value"
private val valueColumnArray = arrayOf(valueColumnName)
init {
helper.blockingWritableTransaction {
@@ -105,7 +107,7 @@ class OneToManyAndroidRepo<Key, Value>(
}
override suspend fun contains(k: Key): Boolean = helper.blockingReadableTransaction {
select(tableName, selection = "$idColumnName=?", selectionArgs = arrayOf(k.keyAsString()), limit = FirstPagePagination(1).limitClause()).use {
select(tableName, selection = "$idColumnName=?", selectionArgs = arrayOf(k.keyAsString()), limit = firstPageWithOneElementPagination.limitClause()).use {
it.count > 0
}
}
@@ -121,7 +123,7 @@ class OneToManyAndroidRepo<Key, Value>(
}
}
override suspend fun count(): Long =helper.blockingReadableTransaction {
override suspend fun count(): Long = helper.blockingReadableTransaction {
select(
tableName
).use {
@@ -130,7 +132,7 @@ class OneToManyAndroidRepo<Key, Value>(
}.toLong()
override suspend fun count(k: Key): Long = helper.blockingReadableTransaction {
select(tableName, selection = "$idColumnName=?", selectionArgs = arrayOf(k.keyAsString()), limit = FirstPagePagination(1).limitClause()).use {
selectDistinct(tableName, columns = valueColumnArray, selection = "$idColumnName=?", selectionArgs = arrayOf(k.keyAsString()), limit = FirstPagePagination(1).limitClause()).use {
it.count
}
}.toLong()
@@ -150,6 +152,7 @@ class OneToManyAndroidRepo<Key, Value>(
helper.blockingReadableTransaction {
select(
tableName,
valueColumnArray,
selection = "$idColumnName=?",
selectionArgs = arrayOf(k.keyAsString()),
limit = resultPagination.limitClause()
@@ -180,8 +183,9 @@ class OneToManyAndroidRepo<Key, Value>(
}
val resultPagination = pagination.let { if (reversed) pagination.reverse(count) else pagination }
helper.blockingReadableTransaction {
select(
selectDistinct(
tableName,
idColumnArray,
limit = resultPagination.limitClause()
).use { c ->
mutableListOf<Key>().also {
@@ -205,8 +209,9 @@ class OneToManyAndroidRepo<Key, Value>(
): PaginationResult<Key> = count().let { count ->
val resultPagination = pagination.let { if (reversed) pagination.reverse(count) else pagination }
helper.blockingReadableTransaction {
select(
selectDistinct(
tableName,
idColumnArray,
selection = "$valueColumnName=?",
selectionArgs = arrayOf(v.valueAsString()),
limit = resultPagination.limitClause()