diff options
Diffstat (limited to 'src/main/kotlin/io/dico/parcels2/storage/exposed/ExposedBacking.kt')
-rw-r--r-- | src/main/kotlin/io/dico/parcels2/storage/exposed/ExposedBacking.kt | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/main/kotlin/io/dico/parcels2/storage/exposed/ExposedBacking.kt b/src/main/kotlin/io/dico/parcels2/storage/exposed/ExposedBacking.kt new file mode 100644 index 0000000..affa14e --- /dev/null +++ b/src/main/kotlin/io/dico/parcels2/storage/exposed/ExposedBacking.kt @@ -0,0 +1,186 @@ +@file:Suppress("NOTHING_TO_INLINE", "PARAMETER_NAME_CHANGED_ON_OVERRIDE", "LocalVariableName") + +package io.dico.parcels2.storage.exposed + +import com.zaxxer.hikari.HikariDataSource +import io.dico.parcels2.* +import io.dico.parcels2.storage.* +import io.dico.parcels2.util.toUUID +import kotlinx.coroutines.experimental.channels.ProducerScope +import org.jetbrains.exposed.sql.* +import org.jetbrains.exposed.sql.SchemaUtils.create +import org.jetbrains.exposed.sql.transactions.transaction +import org.jetbrains.exposed.sql.vendors.DatabaseDialect +import org.joda.time.DateTime +import java.util.* +import javax.sql.DataSource + +class ExposedDatabaseException(message: String? = null) : Exception(message) + +class ExposedBacking(private val dataSourceFactory: suspend () -> DataSource) : Backing { + override val name get() = "Exposed" + private var dataSource: DataSource? = null + private var database: Database? = null + private var isShutdown: Boolean = false + + override val isConnected get() = database != null + + companion object { + init { + Database.registerDialect("mariadb") { + Class.forName("org.jetbrains.exposed.sql.vendors.MysqlDialect").newInstance() as DatabaseDialect + } + } + } + + private fun <T> transaction(statement: Transaction.() -> T) = transaction(database!!, statement) + + override suspend fun init() { + if (isShutdown) throw IllegalStateException() + dataSource = dataSourceFactory() + database = Database.connect(dataSource!!) + transaction(database) { + create(WorldsT, OwnersT, ParcelsT, ParcelOptionsT, AddedLocalT, AddedGlobalT) + } + } + + override suspend fun shutdown() { + if (isShutdown) throw IllegalStateException() + dataSource?.let { + (it as? HikariDataSource)?.close() + } + database = null + isShutdown = true + } + + override suspend fun ProducerScope<Pair<Parcel, ParcelData?>>.produceParcelData(parcels: Sequence<Parcel>) { + for (parcel in parcels) { + val data = readParcelData(parcel) + channel.send(parcel to data) + } + channel.close() + } + + override suspend fun ProducerScope<Pair<SerializableParcel, ParcelData?>>.produceAllParcelData() { + ParcelsT.selectAll().forEach { row -> + val parcel = ParcelsT.getSerializable(row) ?: return@forEach + val data = rowToParcelData(row) + channel.send(parcel to data) + } + channel.close() + } + + override suspend fun readParcelData(parcelFor: Parcel): ParcelData? = transaction { + val row = ParcelsT.getRow(parcelFor) ?: return@transaction null + rowToParcelData(row) + } + + override suspend fun getOwnedParcels(user: ParcelOwner): List<SerializableParcel> = transaction { + val user_id = OwnersT.getId(user) ?: return@transaction emptyList() + ParcelsT.select { ParcelsT.owner_id eq user_id } + .orderBy(ParcelsT.claim_time, isAsc = true) + .mapNotNull(ParcelsT::getSerializable) + .toList() + } + + override suspend fun setParcelData(parcelFor: Parcel, data: ParcelData?) { + if (data == null) { + transaction { + ParcelsT.getId(parcelFor)?.let { id -> + ParcelsT.deleteIgnoreWhere { ParcelsT.id eq id } + + // Below should cascade automatically + /* + AddedLocalT.deleteIgnoreWhere { AddedLocalT.parcel_id eq id } + ParcelOptionsT.deleteIgnoreWhere(limit = 1) { ParcelOptionsT.parcel_id eq id } + */ + } + + } + return + } + + transaction { + val id = ParcelsT.getOrInitId(parcelFor) + AddedLocalT.deleteIgnoreWhere { AddedLocalT.attach_id eq id } + } + + setParcelOwner(parcelFor, data.owner) + + for ((uuid, status) in data.added) { + setLocalPlayerStatus(parcelFor, uuid, status) + } + + setParcelAllowsInteractInputs(parcelFor, data.allowInteractInputs) + setParcelAllowsInteractInventory(parcelFor, data.allowInteractInventory) + } + + override suspend fun setParcelOwner(parcelFor: Parcel, owner: ParcelOwner?) = transaction { + val id = if (owner == null) + ParcelsT.getId(parcelFor) ?: return@transaction + else + ParcelsT.getOrInitId(parcelFor) + + val owner_id = owner?.let { OwnersT.getOrInitId(it) } + val time = owner?.let { DateTime.now() } + + ParcelsT.update({ ParcelsT.id eq id }) { + it[ParcelsT.owner_id] = owner_id + it[claim_time] = time + } + } + + override suspend fun setLocalPlayerStatus(parcelFor: Parcel, player: UUID, status: AddedStatus) = transaction { + AddedLocalT.setPlayerStatus(parcelFor, player, status) + } + + override suspend fun setParcelAllowsInteractInventory(parcel: Parcel, value: Boolean): Unit = transaction { + val id = ParcelsT.getOrInitId(parcel) + ParcelOptionsT.upsert(ParcelOptionsT.parcel_id) { + it[ParcelOptionsT.parcel_id] = id + it[ParcelOptionsT.interact_inventory] = value + } + } + + override suspend fun setParcelAllowsInteractInputs(parcel: Parcel, value: Boolean): Unit = transaction { + val id = ParcelsT.getOrInitId(parcel) + ParcelOptionsT.upsert(ParcelOptionsT.parcel_id) { + it[ParcelOptionsT.parcel_id] = id + it[ParcelOptionsT.interact_inputs] = value + } + } + + override suspend fun ProducerScope<Pair<ParcelOwner, MutableMap<UUID, AddedStatus>>>.produceAllGlobalAddedData() { + AddedGlobalT.sendAllAddedData(channel) + channel.close() + } + + override suspend fun readGlobalAddedData(owner: ParcelOwner): MutableMap<UUID, AddedStatus> { + return AddedGlobalT.readAddedData(OwnersT.getId(owner) ?: return hashMapOf()) + } + + override suspend fun setGlobalPlayerStatus(owner: ParcelOwner, player: UUID, status: AddedStatus) = transaction { + AddedGlobalT.setPlayerStatus(owner, player, status) + } + + private fun rowToParcelData(row: ResultRow) = ParcelDataHolder().apply { + owner = row[ParcelsT.owner_id]?.let { OwnersT.getSerializable(it) } + since = row[ParcelsT.claim_time] + + val parcelId = row[ParcelsT.id] + added = AddedLocalT.readAddedData(parcelId) + + AddedLocalT.select { AddedLocalT.attach_id eq parcelId }.forEach { + val uuid = it[AddedLocalT.player_uuid].toUUID() + val status = if (it[AddedLocalT.allowed_flag]) AddedStatus.ALLOWED else AddedStatus.BANNED + setAddedStatus(uuid, status) + } + + ParcelOptionsT.select { ParcelOptionsT.parcel_id eq parcelId }.firstOrNull()?.let { + allowInteractInputs = it[ParcelOptionsT.interact_inputs] + allowInteractInventory = it[ParcelOptionsT.interact_inventory] + } + } + +} + |