Allow remove old crs tables from 1.8.x versions - refs #8279

chamilo · Oct 3, 2016 · 4862653 · 4862653
1 parent e0a1567
commit 4862653
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diff --git a/main/install/ajax.php b/main/install/ajax.php
@@ -0,0 +1,65 @@
+<?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';
+
+$action = isset($_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']) ? $_POST['db_name'] : 'chamilo';
+$dbPort = isset($_POST['db_port']) ? $_POST['db_port'] : 3306;
+
+$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':
+        $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;
+}
diff --git a/main/install/index.php b/main/install/index.php
@@ -629,6 +629,65 @@ function send_contact_information() {
     }
     ?>
 
+    <div id="pnl-check-crs-tables" class="alert alert-warning hide">
+        <p><?php echo get_lang('CRSTablesIntro') ?></p>
+        <p>
+            <button type="button" class="btn btn-warning btn-xs" id="btn-remove-crs-table" data-removing-text="<?php echo get_lang('Removing') ?>" autocomplete="off">
+                    <span class="fa-stack" aria-hidden="true">
+                        <span class="fa fa-circle-thin fa-stack-2x"></span>
+                        <span class="fa fa-trash-o fa-stack-1x"></span>
+                    </span>
+                <?php echo get_lang('CheckForCRSTables') ?>
+            </button>
+        </p>
+    </div>
+    <script>
+        $(document).on('ready', function () {
+            $.post('<?php echo api_get_path(WEB_CODE_PATH); ?>install/ajax.php', {
+                a: 'check_crs_tables',
+                db_host: '<?php echo $dbHostForm; ?>',
+                db_username: '<?php echo $dbUsernameForm; ?>',
+                db_pass: '<?php echo $dbPassForm; ?>',
+                db_name: '<?php echo $dbNameForm ?>',
+                db_port: '<?php echo $dbPortForm; ?>'
+            }, function (response) {
+                if (!parseInt(response)) {
+                    return;
+                }
+
+                $('#pnl-check-crs-tables').removeClass('hide');
+
+                $('#btn-remove-crs-table').on('click', function (e) {
+                    e.preventDefault();
+
+                    var sure = confirm('<?php echo get_lang('AreYouSureToDelete') ?>');
+
+                    if (!sure) {
+                        return;
+                    }
+
+                    var $btnNext = $('button.btn-success:submit'),
+                        $btnRemove = $(this).button('removing');
+
+                    $btnNext.prop('disabled', true);
+
+                    $.post('<?php echo api_get_path(WEB_CODE_PATH) ?>install/ajax.php', {
+                        a: 'remove_crs_tables',
+                        db_host: '<?php echo $dbHostForm; ?>',
+                        db_username: '<?php echo $dbUsernameForm; ?>',
+                        db_pass: '<?php echo $dbPassForm; ?>',
+                        db_name: '<?php echo $dbNameForm ?>',
+                        db_port: '<?php echo $dbPortForm; ?>'
+                    }, function () {
+                        $btnRemove.remove();
+
+                        $btnNext.prop('disabled', false);
+                    });
+                });
+            });
+        });
+    </script>
+
     <table width="100%">
         <tr>
             <td>