[ticket/14039] Revamp updater

PHPBB3-14039

phpBB/phpbb/install/module/requirements/abstract_requirements_module.php

@@ -0,0 +1,106 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\install\module\requirements;
+
+use phpbb\install\exception\resource_limit_reached_exception;
+use phpbb\install\exception\user_interaction_required_exception;
+use phpbb\install\module_base;
+
+/**
+ * Base class for requirements installer module
+ */
+abstract class abstract_requirements_module extends module_base
+{
+	public function run()
+	{
+		$tests_passed = true;
+
+		// Recover install progress
+		$task_name = $this->recover_progress();
+		$task_found = false;
+
+		/**
+		 * @var string							$name	ID of the service
+		 * @var \phpbb\install\task_interface	$task	Task object
+		 */
+		foreach ($this->task_collection as $name => $task)
+		{
+			// Run until there are available resources
+			if ($this->install_config->get_time_remaining() <= 0 || $this->install_config->get_memory_remaining() <= 0)
+			{
+				throw new resource_limit_reached_exception();
+			}
+
+			// Skip forward until the next task is reached
+			if (!$task_found)
+			{
+				if ($name === $task_name || empty($task_name))
+				{
+					$task_found = true;
+
+					if ($name === $task_name)
+					{
+						continue;
+					}
+				}
+				else
+				{
+					continue;
+				}
+			}
+
+			// Check if we can run the task
+			if (!$task->is_essential() && !$task->check_requirements())
+			{
+				continue;
+			}
+
+			if ($this->allow_progress_bar)
+			{
+				$this->install_config->increment_current_task_progress();
+			}
+
+			$test_result = $task->run();
+			$tests_passed = ($tests_passed) ? $test_result : false;
+		}
+
+		// Module finished, so clear task progress
+		$this->install_config->set_finished_task('');
+
+		// Check if tests have failed
+		if (!$tests_passed)
+		{
+			// If requirements are not met, exit form installer
+			// Set up UI for retesting
+			$this->iohandler->add_user_form_group('', array(
+				'install'	=> array(
+					'label'	=> 'RETEST_REQUIREMENTS',
+					'type'	=> 'submit',
+				),
+			));
+
+			// Send the response and quit
+			$this->iohandler->send_response();
+			throw new user_interaction_required_exception();
+		}
+	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function get_step_count()
+	{
+		return 0;
+	}
+}