Add dummy driver, clean up loose ends and start writing admin page

common/framework/drivers/queue/db.php

@@ -10,12 +10,6 @@ use Rhymix\Framework\Drivers\QueueInterface;
  */
 class DB implements QueueInterface
 {
-	/**
-	 * The Redis connection is stored here.
-	 */
-	protected $_conn;
-	protected $_key;
-
 	/**
 	 * Create a new instance of the current Queue driver, using the given settings.
 	 *
@@ -90,7 +84,7 @@ class DB implements QueueInterface
 		$oDB = RFDB::getInstance();
 		$stmt = $oDB->prepare('INSERT INTO task_queue (handler, args, options) VALUES (?, ?, ?)');
 		$result = $stmt->execute([$handler, serialize($args), serialize($options)]);
-		return $result ? $oDB->getInsertID() : false;
+		return $result ? $oDB->getInsertID() : 0;
 	}
 
 	/**

common/framework/drivers/queue/dummy.php

@@ -0,0 +1,96 @@
+<?php
+
+namespace Rhymix\Framework\Drivers\Queue;
+
+use Rhymix\Framework\Drivers\QueueInterface;
+
+/**
+ * The Dummy queue driver.
+ */
+class Dummy implements QueueInterface
+{
+	/**
+	 * Create a new instance of the current Queue driver, using the given settings.
+	 *
+	 * @param array $config
+	 * @return void
+	 */
+	public static function getInstance(array $config): self
+	{
+		return new self($config);
+	}
+
+	/**
+	 * Get the human-readable name of this Queue driver.
+	 *
+	 * @return string
+	 */
+	public static function getName(): string
+	{
+		return 'Dummy';
+	}
+
+	/**
+	 * Get the list of configuration fields required by this Queue driver.
+	 *
+	 * @return array
+	 */
+	public static function getRequiredConfig(): array
+	{
+		return [];
+	}
+
+	/**
+	 * Get the list of configuration fields optionally used by this Queue driver.
+	 *
+	 * @return array
+	 */
+	public static function getOptionalConfig(): array
+	{
+		return [];
+	}
+
+	/**
+	 * Check if this driver is supported on this server.
+	 *
+	 * @return bool
+	 */
+	public static function isSupported(): bool
+	{
+		return true;
+	}
+
+	/**
+	 * Constructor.
+	 *
+	 * @param array $config
+	 */
+	public function __construct(array $config)
+	{
+
+	}
+
+	/**
+	 * Add a task.
+	 *
+	 * @param string $handler
+	 * @param ?object $args
+	 * @param ?object $options
+	 * @return int
+	 */
+	public function addTask(string $handler, ?object $args = null, ?object $options = null): int
+	{
+		return 0;
+	}
+
+	/**
+	 * Get the first task.
+	 *
+	 * @param int $blocking
+	 * @return ?object
+	 */
+	public function getTask(int $blocking = 0): ?object
+	{
+		return null;
+	}
+}