1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/kotlin/io/dico/parcels2/AddedData.kt b/src/main/kotlin/io/dico/parcels2/AddedData.kt
new file mode 100644
index 0000000..633fe72
--- /dev/null
+++ b/src/main/kotlin/io/dico/parcels2/AddedData.kt
@@ -0,0 +1,57 @@
+package io.dico.parcels2
+
+import io.dico.parcels2.util.uuid
+import org.bukkit.OfflinePlayer
+import java.util.UUID
+
+typealias MutableAddedDataMap = MutableMap<UUID, AddedStatus>
+typealias AddedDataMap = Map<UUID, AddedStatus>
+
+interface AddedData {
+    val addedMap: AddedDataMap
+
+    fun getAddedStatus(uuid: UUID): AddedStatus
+    fun setAddedStatus(uuid: UUID, status: AddedStatus): Boolean
+
+    fun compareAndSetAddedStatus(uuid: UUID, expect: AddedStatus, status: AddedStatus): Boolean =
+        (getAddedStatus(uuid) == expect).also { if (it) setAddedStatus(uuid, status) }
+
+    fun isAllowed(uuid: UUID) = getAddedStatus(uuid) == AddedStatus.ALLOWED
+    fun allow(uuid: UUID) = setAddedStatus(uuid, AddedStatus.ALLOWED)
+    fun disallow(uuid: UUID) = compareAndSetAddedStatus(uuid, AddedStatus.ALLOWED, AddedStatus.DEFAULT)
+    fun isBanned(uuid: UUID) = getAddedStatus(uuid) == AddedStatus.BANNED
+    fun ban(uuid: UUID) = setAddedStatus(uuid, AddedStatus.BANNED)
+    fun unban(uuid: UUID) = compareAndSetAddedStatus(uuid, AddedStatus.BANNED, AddedStatus.DEFAULT)
+
+    fun isAllowed(player: OfflinePlayer) = isAllowed(player.uuid)
+    fun allow(player: OfflinePlayer) = allow(player.uuid)
+    fun disallow(player: OfflinePlayer) = disallow(player.uuid)
+    fun isBanned(player: OfflinePlayer) = isBanned(player.uuid)
+    fun ban(player: OfflinePlayer) = ban(player.uuid)
+    fun unban(player: OfflinePlayer) = unban(player.uuid)
+}
+
+open class AddedDataHolder(override var addedMap: MutableAddedDataMap = mutableMapOf()) : AddedData {
+    override fun getAddedStatus(uuid: UUID): AddedStatus = addedMap.getOrDefault(uuid, AddedStatus.DEFAULT)
+    override fun setAddedStatus(uuid: UUID, status: AddedStatus): Boolean = status.takeIf { it != AddedStatus.DEFAULT }
+        ?.let { addedMap.put(uuid, it) != it }
+        ?: addedMap.remove(uuid) != null
+}
+
+enum class AddedStatus {
+    DEFAULT,
+    ALLOWED,
+    BANNED;
+
+    val isDefault get() = this == DEFAULT
+    val isAllowed get() = this == ALLOWED
+    val isBanned get() = this == BANNED
+}
+
+interface GlobalAddedData : AddedData {
+    val owner: ParcelOwner
+}
+
+interface GlobalAddedDataManager {
+    operator fun get(owner: ParcelOwner): GlobalAddedData
+}