Initial Commit

inc/installers/class-base-installer.php

@@ -0,0 +1,117 @@
+<?php
+/**
+ * WP Ultimo base Installer Class.
+ *
+ * @package WP_Ultimo
+ * @subpackage Installers
+ * @since 2.0.0
+ */
+
+namespace WP_Ultimo\Installers;
+
+// Exit if accessed directly
+defined('ABSPATH') || exit;
+
+/**
+ * WP Ultimo base Installer Class.
+ *
+ * @since 2.0.0
+ */
+class Base_Installer {
+
+	/**
+	 * Keeps track of the current step.
+	 *
+	 * @since 2.0.0
+	 * @var string
+	 */
+	protected $current_step;
+
+	/**
+	 * Returns the list of migration steps.
+	 *
+	 * @since 2.0.0
+	 * @return array
+	 */
+	public function get_steps() {
+
+		return array();
+
+	}  // end get_steps;
+
+	/**
+	 * Runs through all the steps to see if they are all done or not.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @return boolean
+	 */
+	public function all_done() {
+
+		$all_done = true;
+
+		foreach ($this->get_steps() as $step) {
+
+			if ($step['done'] === false) {
+
+				$all_done = false;
+
+			} // end if;
+
+		} // end foreach;
+
+		return $all_done;
+
+	}  // end all_done;
+
+	/**
+	 * Handles the installer.
+	 *
+	 * This wraps the installer into a try catch block
+	 * so we can use that to rollback on database entries.
+	 *
+	 * @since 2.0.0
+	 *
+	 * @param bool|\WP_Error $status Status of the installer.
+	 * @param string         $installer The installer name.
+	 * @param object         $wizard Wizard class.
+	 * @return bool
+	 */
+	public function handle($status, $installer, $wizard) {
+
+		global $wpdb;
+
+		$callable = array($this, "_install_{$installer}");
+
+		$callable = apply_filters("wu_installer_{$installer}_callback", $callable, $installer);
+
+		/*
+		* No installer on this class.
+		*/
+		if (!is_callable($callable)) {
+
+			return $status;
+
+		} // end if;
+
+		try {
+
+			$wpdb->query('START TRANSACTION');
+
+			call_user_func($callable);
+
+		} catch (\Throwable $e) {
+
+			$wpdb->query('ROLLBACK');
+
+			return new \WP_Error($installer, $e->getMessage());
+
+		} // end try;
+
+		$wpdb->query('COMMIT');
+
+		return $status;
+
+	} // end handle;
+
+} // end class Base_Installer;