add inactive user purge command

app/Console/Command/PurgeInactiveUsers.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * Holds the inactive user purger.
+ * @package Sakura
+ */
+
+namespace Sakura\Console\Command;
+
+use CLIFramework\Command;
+use Sakura\DB;
+use Sakura\Forum\Post;
+
+/**
+ * Purges users that have been inactive for 30 days or more.
+ * @package Sakura
+ * @author Julian van de Groep <me@flash.moe>
+ */
+class PurgeInactiveUsers extends Command
+{
+    /**
+     * A quick description of this command.
+     * @return string.
+     */
+    public function brief(): string
+    {
+        return "Purges users that have been inactive for 30 days or more.";
+    }
+
+    /**
+     * Does the repository installing.
+     */
+    public function execute(): void
+    {
+        DB::table('users')
+            ->where('user_activated', 0)
+            ->where('user_last_online', '<', time() - (30 * 24 * 60 * 60))
+            ->delete();
+    }
+}