Implement auto-saving of portal data

build.gradle.kts

@@ -6,7 +6,7 @@ plugins {
 }
 
 group = "dev.w1zzrd"
-version = "1.0.1"
+version = "1.0.2"
 
 repositories {
     mavenCentral()

src/main/kotlin/PortalsPlugin.kt

@@ -1,11 +1,18 @@
 import kr.entree.spigradle.annotations.SpigotPlugin
+import org.bukkit.Bukkit
 import org.bukkit.plugin.java.JavaPlugin
+import org.bukkit.scheduler.BukkitTask
 import java.io.File
 
+private const val PATH_AUTOSAVE = "autoSaveMinutesInterval"
+private const val AUTOSAVE_DEFAULT = 240L
+
+
 @SpigotPlugin
 class PortalsPlugin: JavaPlugin() {
     private val data = YamlFile.loadFile(File(dataFolder, "data.yml"))
     private val portalManager = PortalManager(data) { config }
+    private var autoSaveTask: BukkitTask? = null
 
     override fun onEnable() {
         super.onEnable()
@@ -45,6 +52,27 @@ class PortalsPlugin: JavaPlugin() {
         portalManager.reload()
     }
 
+    private fun startAutoSaver() {
+        val task = autoSaveTask
+        if (task != null) {
+            Bukkit.getScheduler().cancelTask(task.taskId)
+        }
+
+        val interval = config.getLong(PATH_AUTOSAVE, AUTOSAVE_DEFAULT)
+
+        autoSaveTask = Bukkit.getScheduler().runTaskTimer(
+            this,
+            Runnable {
+                Bukkit.getLogger().info("Triggered auto-save")
+                portalManager.save()
+                data.save()
+                Bukkit.getLogger().info("Auto-save complete")
+            },
+            interval,
+            interval
+        )
+    }
+
     override fun onDisable() {
         super.onDisable()
 

src/main/resources/config.yml

@@ -1,2 +1,3 @@
 chunkLoadDestination: true
+autoSaveMinutesInterval: 240
 playerTeleportCooldownTicks: 100