1 files changed, 38 insertions, 0 deletions
diff --git a/src/main/kotlin/io/dico/parcels2/defaultimpl/GlobalPrivilegesManagerImpl.kt b/src/main/kotlin/io/dico/parcels2/defaultimpl/GlobalPrivilegesManagerImpl.kt
new file mode 100644
index 0000000..239fe0a
--- /dev/null
+++ b/src/main/kotlin/io/dico/parcels2/defaultimpl/GlobalPrivilegesManagerImpl.kt
@@ -0,0 +1,38 @@
+@file:Suppress("UNCHECKED_CAST")
+
+package io.dico.parcels2.defaultimpl
+
+import io.dico.parcels2.*
+import io.dico.parcels2.util.ext.alsoIfTrue
+import java.util.Collections
+
+class GlobalPrivilegesManagerImpl(val plugin: ParcelsPlugin) : GlobalPrivilegesManager {
+    private val map = mutableMapOf<PlayerProfile, GlobalPrivileges>()
+
+    override fun get(owner: PlayerProfile): GlobalPrivileges {
+        return map[owner] ?: GlobalPrivilegesImpl(owner).also { map[owner] = it }
+    }
+
+    private inner class GlobalPrivilegesImpl(override val owner: PlayerProfile,
+                                             data: MutablePrivilegeMap = emptyData)
+        : PrivilegesHolder(data), GlobalPrivileges {
+
+        private inline var data get() = map; set(value) = run { map = value }
+        private inline val isEmpty get() = data === emptyData
+
+        override fun setPrivilege(key: PrivilegeKey, privilege: Privilege): Boolean {
+            if (isEmpty) {
+                if (privilege == Privilege.DEFAULT) return false
+                data = mutableMapOf()
+            }
+            return super.set(key, privilege).alsoIfTrue {
+                plugin.storage.setGlobalPrivilege(owner, key, privilege)
+            }
+        }
+    }
+
+    private companion object {
+        val emptyData = Collections.emptyMap<Any, Any>() as MutablePrivilegeMap
+    }
+
+}
+\ No newline at end of file