upgrade

main/install/ajax.php

@@ -0,0 +1,83 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Chamilo installation
+ * AJAX requests for the installation.
+ *
+ * @package chamilo.install
+ */
+ini_set('display_errors', '1');
+ini_set('log_errors', '1');
+error_reporting(-1);
+
+require_once __DIR__.'/../../vendor/autoload.php';
+
+define('SYSTEM_INSTALLATION', 1);
+define('INSTALL_TYPE_UPDATE', 'update');
+define('FORM_FIELD_DISPLAY_LENGTH', 40);
+define('DATABASE_FORM_FIELD_DISPLAY_LENGTH', 25);
+define('MAX_FORM_FIELD_LENGTH', 80);
+
+// Including necessary libraries.
+require_once '../inc/lib/api.lib.php';
+
+session_start();
+
+require_once api_get_path(LIBRARY_PATH).'database.constants.inc.php';
+require_once 'install.lib.php';
+
+// A protection measure for already installed systems.
+if (isAlreadyInstalledSystem()) {
+    // The system has already been installed, so block re-installation.
+    echo "Chamilo has already been installed";
+    exit;
+}
+
+$action = isset($_POST['a']) ? $_POST['a'] : null;
+
+$dbHost = isset($_POST['db_host']) ? $_POST['db_host'] : 'localhost';
+$dbUsername = isset($_POST['db_username']) ? $_POST['db_username'] : 'root';
+$dbPass = isset($_POST['db_pass']) ? $_POST['db_pass'] : '';
+$dbName = isset($_POST['db_name']) ? $_POST['db_name'] : 'chamilo';
+$installType = isset($_POST['install_type']) ? $_POST['install_type'] : 'new';
+
+if ($installType === 'new') {
+    $dbName = null;
+}
+
+$dbPort = isset($_POST['db_port']) ? (int) $_POST['db_port'] : 3306;
+
+$manager = connectToDatabase($dbHost, $dbUsername, $dbPass, $dbName, $dbPort);
+
+$db_prefix = api_get_configuration_value('db_prefix') ? api_get_configuration_value('db_prefix') : 'chamilo_';
+$db_c_prefix = api_get_configuration_value('table_prefix') ? api_get_configuration_value('table_prefix') : 'crs_';
+
+switch ($action) {
+    case 'check_crs_tables':
+        if (empty($dbName)) {
+            echo 0;
+
+            break;
+        }
+
+        $countOfTables = $manager
+            ->getConnection()
+            ->executeQuery("SHOW TABLES LIKE '$db_c_prefix$db_prefix%'")
+            ->rowCount();
+
+        echo $countOfTables;
+        break;
+    case 'remove_crs_tables':
+        $statement = $manager
+            ->getConnection()
+            ->executeQuery("SHOW TABLES LIKE '$db_c_prefix$db_prefix%'");
+
+        while ($table = $statement->fetch(PDO::FETCH_NUM)) {
+            $manager->getConnection()->executeQuery("DROP TABLE {$table[0]}");
+        }
+
+        break;
+    default:
+        break;
+}