first import
This commit is contained in:
Bachir Soussi Chiadmi
@@ -0,0 +1,712 @@
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<?php
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// $Id: demo.admin.inc,v 1.35 2011/01/09 03:11:12 sun Exp $
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/**
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* @file
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* Demonstration Site administrative pages
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*/
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/**
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* Current version of SQL dump structure.
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*/
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define('DEMO_DUMP_VERSION', '1.1');
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/**
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* Form builder for Demo module settings.
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*/
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function demo_admin_settings($form, &$form_state) {
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if (!file_stream_wrapper_valid_scheme('private')) {
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form_set_error('', t('The <a href="@file-settings-url">private filesystem</a> must be configured in order to create or load snapshots.', array(
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'@file-settings-url' => url('admin/config/media/file-system', array(
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'query' => drupal_get_destination(),
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)),
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)));
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}
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$form['demo_dump_path'] = array(
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'#type' => 'textfield',
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'#title' => t('Snapshot file system path'),
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'#field_prefix' => 'private://',
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'#default_value' => variable_get('demo_dump_path', 'demo'),
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'#required' => TRUE,
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);
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$form['#validate'][] = 'demo_admin_settings_validate';
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return system_settings_form($form);
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}
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/**
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* Form validation handler for demo_admin_settings().
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*/
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function demo_admin_settings_validate($form, &$form_state) {
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if (!file_prepare_directory($form_state['values']['demo_dump_path'], FILE_CREATE_DIRECTORY)) {
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form_set_error('demo_dump_path', t('The snapshot directory %directory could not be created.', array('%directory' => $form_state['values']['demo_dump_path'])));
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}
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}
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/**
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* Form builder to manage snapshots.
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*/
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function demo_manage_form($form, &$form_state) {
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$form['status'] = array(
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'#type' => 'container',
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'#title' => t('Status'),
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'#attributes' => array(
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'class' => array('demo-status', 'clearfix'),
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),
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'#attached' => array(
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'css' => array(drupal_get_path('module', 'demo') . '/demo.admin.css'),
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),
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);
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$reset_date = variable_get('demo_reset_last', 0);
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$form['status']['reset_last'] = array(
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'#type' => 'item',
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'#title' => t('Last reset'),
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'#markup' => $reset_date ? format_date($reset_date) : t('Never'),
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);
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$form['dump'] = demo_get_dumps();
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$form['actions'] = array('#type' => 'actions');
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$form['actions']['delete'] = array(
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'#type' => 'submit',
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'#value' => t('Delete'),
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'#submit' => array('demo_manage_delete_submit'),
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);
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// If there are no snapshots yet, hide the selection and form actions.
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if (empty($form['dump']['#options'])) {
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$form['dump']['#access'] = FALSE;
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$form['actions']['#access'] = FALSE;
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}
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return $form;
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}
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/**
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* Delete button submit handler for demo_manage_form().
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*/
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function demo_manage_delete_submit($form, &$form_state) {
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$form_state['redirect'] = 'admin/structure/demo/delete/' . $form_state['values']['filename'];
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}
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/**
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* Form builder to confirm deletion of a snapshot.
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*/
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function demo_delete_confirm($form, &$form_state, $filename) {
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$fileconfig = demo_get_fileconfig($filename);
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if (!file_exists($fileconfig['infofile'])) {
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return drupal_access_denied();
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}
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$form['filename'] = array(
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'#type' => 'value',
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'#value' => $filename,
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);
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return confirm_form($form, t('Are you sure you want to delete the snapshot %title?', array('%title' => $filename)), 'admin/structure/demo', t('This action cannot be undone.'), t('Delete'));
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}
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/**
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* Form submit handler for demo_delete_confirm().
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*/
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function demo_delete_confirm_submit($form, &$form_state) {
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$files = demo_get_fileconfig($form_state['values']['filename']);
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unlink($files['sqlfile']);
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unlink($files['infofile']);
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drupal_set_message(t('Snapshot %title has been deleted.', array(
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'%title' => $form_state['values']['filename'],
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)));
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$form_state['redirect'] = 'admin/structure/demo';
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}
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/**
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* Form builder to create a new snapshot.
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*/
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function demo_dump_form($form, &$form_state) {
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$form['#tree'] = TRUE;
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$form['dump']['filename'] = array(
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'#title' => t('Name'),
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'#type' => 'textfield',
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'#autocomplete_path' => 'demo/autocomplete',
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'#required' => TRUE,
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'#maxlength' => 128,
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'#description' => t('Allowed characters: a-z, 0-9, dashes ("-"), underscores ("_") and dots.'),
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);
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$form['dump']['description'] = array(
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'#title' => t('Description'),
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'#type' => 'textarea',
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'#rows' => 2,
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'#description' => t('Leave empty to retain the existing description when replacing a snapshot.'),
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);
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$form['dump']['tables'] = array(
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'#type' => 'value',
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'#value' => demo_enum_tables(),
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);
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if (empty($form_state['demo']['dump_exists'])) {
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$form['actions'] = array('#type' => 'actions');
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$form['actions']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Create'),
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);
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}
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else {
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$form = confirm_form($form,
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t('Are you sure you want to replace the existing %name snapshot?', array(
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'%name' => $form_state['values']['dump']['filename'],
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)),
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'admin/structure/demo',
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t('A snapshot with the same name already exists and will be replaced. This action cannot be undone.')
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);
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}
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return $form;
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}
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/**
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* Form validation handler for demo_dump_form().
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*/
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function demo_dump_form_validate(&$form, &$form_state) {
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if (empty($form_state['values']['confirm'])) {
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$fileconfig = demo_get_fileconfig($form_state['values']['dump']['filename']);
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if (file_exists($fileconfig['infofile']) || file_exists($fileconfig['sqlfile'])) {
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$form_state['demo']['dump_exists'] = TRUE;
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$form_state['rebuild'] = TRUE;
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}
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}
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}
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/**
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* Form submit handler for demo_dump_form().
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*/
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function demo_dump_form_submit($form, &$form_state) {
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if ($fileconfig = _demo_dump($form_state['values']['dump'])) {
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drupal_set_message(t('Snapshot %filename has been created.', array(
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'%filename' => $form_state['values']['dump']['filename'],
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)));
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}
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$form_state['redirect'] = 'admin/structure/demo';
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}
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/**
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* Create a new snapshot.
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*
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* @param $options
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* A structured array of snapshot options:
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* - filename: The base output filename, without extension.
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* - default: Whether to set this dump as new default snapshot.
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* - description: A description for the snapshot. If a snapshot with the same
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* name already exists and this is left blank, the new snapshot will reuse
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* the existing description.
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* - tables: An array of tables to dump, keyed by table name (including table
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* prefix, if any). The value is an array of dump options:
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* - schema: Whether to dump the table schema.
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* - data: Whether to dump the table data.
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*/
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function _demo_dump($options) {
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// Load database specific functions.
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if (!demo_load_include()) {
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return FALSE;
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}
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// Increase PHP's max_execution_time for large dumps.
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drupal_set_time_limit(600);
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// Generate the info file.
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$info = demo_set_info($options);
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if (!$info) {
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return FALSE;
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}
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// Allow other modules to alter the dump options.
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$fileconfig = demo_get_fileconfig($info['filename']);
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drupal_alter('demo_dump', $options, $info, $fileconfig);
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// Perform database dump.
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if (!demo_dump_db($fileconfig['sqlfile'], $options)) {
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return FALSE;
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}
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// Adjust file permissions.
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drupal_chmod($fileconfig['infofile']);
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drupal_chmod($fileconfig['sqlfile']);
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// Allow other modules to act on successful dumps.
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module_invoke_all('demo_dump', $options, $info, $fileconfig);
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return $fileconfig;
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}
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/**
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* Form builder to reset site to a snapshot.
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*/
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function demo_reset_confirm($form, &$form_state) {
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$form['dump'] = demo_get_dumps();
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$form['warning'] = array(
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'#type' => 'container',
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'#attributes' => array(
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'class' => array('messages', 'warning'),
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),
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);
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$form['warning']['message'] = array(
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'#markup' => t('This action cannot be undone.'),
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);
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return confirm_form($form,
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t('Are you sure you want to reset the site?'),
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'admin/structure/demo',
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t('Overwrites all changes that made to this site since the chosen snapshot.'),
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t('Reset')
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);
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}
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/**
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* Form submit handler for demo_reset_confirm().
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*/
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function demo_reset_confirm_submit($form, &$form_state) {
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// Reset site to chosen snapshot.
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_demo_reset($form_state['values']['filename']);
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// Do not redirect from the reset confirmation form by default, as it is
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// likely that the user wants to reset all over again (e.g., keeping the
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// browser tab open).
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}
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/**
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* Reset site using snapshot.
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*
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* @param $filename
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* Base snapshot filename, without extension.
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* @param $verbose
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* Whether to output status messages.
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*/
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function _demo_reset($filename, $verbose = TRUE) {
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// Load database specific functions.
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if (!demo_load_include()) {
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return FALSE;
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}
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// Increase PHP's max_execution_time for large dumps.
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drupal_set_time_limit(600);
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$fileconfig = demo_get_fileconfig($filename);
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if (!file_exists($fileconfig['sqlfile']) || !($fp = fopen($fileconfig['sqlfile'], 'r'))) {
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if ($verbose) {
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drupal_set_message(t('Unable to read file %filename.', array(
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'%filename' => $fileconfig['sqlfile'],
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)), 'error');
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}
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watchdog('demo', 'Unable to read file %filename.', array('%filename' => $fileconfig['sqlfile']), WATCHDOG_ERROR);
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return FALSE;
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}
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// Load any database information in front of reset.
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$info = demo_get_info($fileconfig['infofile']);
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module_invoke_all('demo_reset_before', $filename, $info, $fileconfig);
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// Retain special variables, so the (demonstration) site keeps operating after
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// the reset. Specify NULL instead of default values, so unconfigured
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// variables are not retained, resp., deleted after the reset.
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$variables = array(
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// Without the snapshot path, subsequent resets will not work.
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'demo_dump_path' => variable_get('demo_dump_path', NULL),
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);
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// Temporarily disable foreign key checks for the time of import and before
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// dropping existing tables. Foreign key checks should already be re-enabled
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// as one of the last operations in the SQL dump file.
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// @see demo_dump_db()
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db_query("SET FOREIGN_KEY_CHECKS = 0;");
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// Drop tables.
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$is_version_1_0_dump = version_compare($info['version'], '1.1', '<');
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$watchdog = Database::getConnection()->prefixTables('{watchdog}');
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foreach (demo_enum_tables() as $table => $dump_options) {
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// Skip watchdog, except for legacy dumps that included the watchdog table
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if ($table != $watchdog || $is_version_1_0_dump) {
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db_query("DROP TABLE $table");
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}
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}
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// Load data from snapshot.
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$success = TRUE;
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$query = '';
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while (!feof($fp)) {
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$line = fgets($fp, 16384);
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if ($line && $line != "\n" && strncmp($line, '--', 2) && strncmp($line, '#', 1)) {
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$query .= $line;
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if (substr($line, -2) == ";\n") {
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$options = array(
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'target' => 'default',
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'return' => Database::RETURN_NULL,
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// 'throw_exception' => FALSE,
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);
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$stmt = Database::getConnection($options['target'])->prepare($query);
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if (!$stmt->execute(array(), $options)) {
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if ($verbose) {
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// Don't use t() here, as the locale_* tables might not (yet) exist.
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drupal_set_message(strtr('Query failed: %query', array('%query' => $query)), 'error');
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}
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$success = FALSE;
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}
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$query = '';
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}
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}
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}
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fclose($fp);
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// Retain variables.
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foreach ($variables as $key => $value) {
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if (isset($value)) {
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variable_set($key, $value);
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}
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else {
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variable_del($key);
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}
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}
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if ($success) {
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if ($verbose) {
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drupal_set_message(t('Restored site from %filename.', array('%filename' => $fileconfig['sqlfile'])));
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}
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watchdog('demo', 'Restored site from %filename.', array('%filename' => $fileconfig['sqlfile']), WATCHDOG_NOTICE);
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// Allow other modules to act on successful resets.
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module_invoke_all('demo_reset', $filename, $info, $fileconfig);
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}
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else {
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if ($verbose) {
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drupal_set_message(t('Failed to restore site from %filename.', array('%filename' => $fileconfig['sqlfile'])), 'error');
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}
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watchdog('demo', 'Failed to restore site from %filename.', array('%filename' => $fileconfig['sqlfile']), WATCHDOG_ERROR);
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}
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// Save request time of last reset, but not during re-installation via
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// demo_profile.
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if (!defined('MAINTENANCE_MODE') || MAINTENANCE_MODE !== 'install') {
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variable_set('demo_reset_last', REQUEST_TIME);
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}
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return $success;
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}
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function demo_get_fileconfig($filename = 'demo_site') {
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$fileconfig = array();
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// Build dump path.
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if (!file_stream_wrapper_valid_scheme('private')) {
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// @todo Temporarily throwing a form error here.
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// Don't break demo_profile.
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if (!defined('MAINTENANCE_MODE')) {
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form_set_error('', t('The <a href="@file-settings-url">private filesystem</a> must be configured in order to create or load snapshots.', array(
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'@file-settings-url' => url('admin/config/media/file-system', array(
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'query' => drupal_get_destination(),
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)),
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)));
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}
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return FALSE;
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}
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$fileconfig['path'] = 'private://' . variable_get('demo_dump_path', 'demo');
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$fileconfig['dumppath'] = $fileconfig['path'];
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// @todo Update to D7?
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// Append site name if it is not included in file_directory_path() and if not
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// storing files in sites/all/files.
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$fileconfig['site'] = str_replace('sites', '', conf_path());
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/*
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if (strpos($fileconfig['path'], conf_path()) === FALSE && strpos($fileconfig['path'], '/all/') === FALSE) {
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$fileconfig['dumppath'] .= $fileconfig['site'];
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}
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*/
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// Check if directory exists.
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if (!file_prepare_directory($fileconfig['dumppath'], FILE_CREATE_DIRECTORY)) {
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return FALSE;
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}
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// Protect dump files.
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file_create_htaccess($fileconfig['path'], TRUE);
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// Build SQL filename.
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$fileconfig['sql'] = $filename . '.sql';
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$fileconfig['sqlfile'] = $fileconfig['dumppath'] . '/' . $fileconfig['sql'];
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// Build info filename.
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$fileconfig['info'] = $filename . '.info';
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$fileconfig['infofile'] = $fileconfig['dumppath'] . '/' . $fileconfig['info'];
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||||
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return $fileconfig;
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}
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||||
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||||
/**
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* Load database specific functions.
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||||
*/
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||||
function demo_load_include() {
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$engine = db_driver();
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if (!module_load_include('inc', 'demo', 'database_' . $engine . '_dump')) {
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drupal_set_message(t('@database is not supported yet.', array('@database' => ucfirst($engine))), 'error');
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return FALSE;
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||||
}
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return TRUE;
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||||
}
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||||
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function demo_get_dumps() {
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$fileconfig = demo_get_fileconfig();
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||||
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// Fetch list of available info files
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$files = file_scan_directory($fileconfig['dumppath'], '/\.info$/');
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||||
|
||||
foreach ($files as $file => $object) {
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$files[$file]->filemtime = filemtime($file);
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||||
$files[$file]->filesize = filesize(substr($file, 0, -4) . 'sql');
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||||
}
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||||
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||||
// Sort snapshots by date (ascending file modification time).
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||||
uasort($files, create_function('$a, $b', 'return ($a->filemtime < $b->filemtime);'));
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||||
|
||||
$element = array(
|
||||
'#type' => 'radios',
|
||||
'#title' => t('Snapshot'),
|
||||
'#required' => TRUE,
|
||||
'#parents' => array('filename'),
|
||||
'#options' => array(),
|
||||
'#attributes' => array(
|
||||
'class' => array('demo-snapshots-widget'),
|
||||
),
|
||||
'#attached' => array(
|
||||
'js' => array(drupal_get_path('module', 'demo') . '/demo.admin.js'),
|
||||
),
|
||||
);
|
||||
|
||||
foreach ($files as $filename => $file) {
|
||||
$info = demo_get_info($filename);
|
||||
|
||||
// Prepare snapshot title.
|
||||
$title = t('@snapshot <small>(!date, !size)</small>', array(
|
||||
'@snapshot' => $info['filename'],
|
||||
'!date' => format_date($file->filemtime, 'small'),
|
||||
'!size' => format_size($file->filesize),
|
||||
));
|
||||
|
||||
// Prepare snapshot description.
|
||||
$description = '';
|
||||
if (!empty($info['description'])) {
|
||||
$description .= '<p>' . $info['description'] . '</p>';
|
||||
}
|
||||
// Add download links.
|
||||
$description .= '<p>' . t('Download: <a href="@info-file-url">.info file</a>, <a href="@sql-file-url">.sql file</a>', array(
|
||||
'@info-file-url' => url('demo/download/' . $file->name . '/info'),
|
||||
'@sql-file-url' => url('demo/download/' . $file->name . '/sql'),
|
||||
)) . '</p>';
|
||||
// Add module list.
|
||||
if (count($info['modules']) > 1) {
|
||||
// Remove required core modules and Demo from module list.
|
||||
$modules = array_diff($info['modules'], array('filter', 'node', 'system', 'user', 'demo'));
|
||||
// Sort module list alphabetically.
|
||||
sort($modules);
|
||||
$description .= t('Modules: @modules', array('@modules' => implode(', ', $modules)));
|
||||
}
|
||||
|
||||
// Add the radio option element.
|
||||
$element['#options'][$info['filename']] = $title;
|
||||
$element[$info['filename']] = array(
|
||||
'#description' => $description,
|
||||
'#file' => $file,
|
||||
'#info' => $info,
|
||||
);
|
||||
}
|
||||
|
||||
return $element;
|
||||
}
|
||||
|
||||
function demo_get_info($filename, $field = NULL) {
|
||||
$info = array();
|
||||
|
||||
if (file_exists($filename)) {
|
||||
$info = parse_ini_file($filename);
|
||||
|
||||
if (isset($info['modules'])) {
|
||||
$info['modules'] = explode(" ", $info['modules']);
|
||||
}
|
||||
else {
|
||||
$info['modules'] = NULL;
|
||||
}
|
||||
|
||||
if (!isset($info['version'])) {
|
||||
$info['version'] = '1.0';
|
||||
}
|
||||
}
|
||||
|
||||
if (isset($field)) {
|
||||
return isset($info[$field]) ? $info[$field] : NULL;
|
||||
}
|
||||
else {
|
||||
return $info;
|
||||
}
|
||||
}
|
||||
|
||||
function demo_set_info($values = NULL) {
|
||||
if (isset($values['filename']) && is_array($values)) {
|
||||
// Check for valid filename
|
||||
if (!preg_match('/^[-_\.a-zA-Z0-9]+$/', $values['filename'])) {
|
||||
drupal_set_message(t('Invalid filename. It must only contain alphanumeric characters, dots, dashes and underscores. Other characters, including spaces, are not allowed.'), 'error');
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
if (!empty($values['description'])) {
|
||||
// parse_ini_file() doesn't allow certain characters in description
|
||||
$s = array("\r\n", "\r", "\n", '"');
|
||||
$r = array(' ', ' ', ' ', "'");
|
||||
$values['description'] = str_replace($s, $r, $values['description']);
|
||||
}
|
||||
else {
|
||||
// If new description is empty, try to use previous description.
|
||||
$old_file = demo_get_fileconfig($values['filename']);
|
||||
$old_description = demo_get_info($old_file['infofile'], 'description');
|
||||
if (!empty($old_description)) {
|
||||
$values['description'] = $old_description;
|
||||
}
|
||||
}
|
||||
|
||||
// Set values
|
||||
$infos = array();
|
||||
$infos['filename'] = $values['filename'];
|
||||
$infos['description'] = '"' . $values['description'] . '"';
|
||||
$infos['modules'] = implode(' ', module_list());
|
||||
$infos['version'] = DEMO_DUMP_VERSION;
|
||||
|
||||
// Write information to .info file
|
||||
$fileconfig = demo_get_fileconfig($values['filename']);
|
||||
$infofile = fopen($fileconfig['infofile'], 'w');
|
||||
foreach ($infos as $key => $info) {
|
||||
fwrite($infofile, $key . ' = ' . $info . "\n");
|
||||
}
|
||||
fclose($infofile);
|
||||
|
||||
return $infos;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a list of tables in the active database.
|
||||
*
|
||||
* Only returns tables whose prefix matches the configured one (or ones, if
|
||||
* there are multiple).
|
||||
*/
|
||||
function demo_enum_tables() {
|
||||
$tables = array();
|
||||
|
||||
// Load database specific functions.
|
||||
if (!demo_load_include()) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
$connection = Database::getConnection();
|
||||
$db_options = $connection->getConnectionOptions();
|
||||
|
||||
// Create a regex that matches the table prefix(es).
|
||||
// We are only interested in non-empty table prefixes.
|
||||
$prefixes = array();
|
||||
if (!empty($db_options['prefix'])) {
|
||||
if (is_array($db_options['prefix'])) {
|
||||
$prefixes = array_filter($db_options['prefix']);
|
||||
}
|
||||
elseif ($db_options['prefix'] != '') {
|
||||
$prefixes['default'] = $db_options['prefix'];
|
||||
}
|
||||
$rx = '/^' . implode('|', $prefixes) . '/';
|
||||
}
|
||||
|
||||
// Query the database engine for the table list.
|
||||
$result = _demo_enum_tables();
|
||||
foreach ($result as $table) {
|
||||
if (!empty($prefixes)) {
|
||||
// Check if table name matches a configured prefix.
|
||||
if (preg_match($rx, $table, $matches)) {
|
||||
$table_prefix = $matches[0];
|
||||
$plain_table = substr($table, strlen($table_prefix));
|
||||
if ($prefixes[$plain_table] == $table_prefix || $prefixes['default'] == $table_prefix) {
|
||||
$tables[$table] = array('schema' => TRUE, 'data' => TRUE);
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
$tables[$table] = array('schema' => TRUE, 'data' => TRUE);
|
||||
}
|
||||
}
|
||||
|
||||
// Apply default exclude list.
|
||||
$excludes = array(
|
||||
// Drupal core.
|
||||
'{cache}',
|
||||
'{cache_bootstrap}',
|
||||
'{cache_block}',
|
||||
'{cache_content}',
|
||||
'{cache_field}',
|
||||
'{cache_filter}',
|
||||
'{cache_form}',
|
||||
'{cache_menu}',
|
||||
'{cache_page}',
|
||||
'{cache_path}',
|
||||
'{cache_update}',
|
||||
'{watchdog}',
|
||||
// CTools.
|
||||
'{ctools_object_cache}',
|
||||
// Administration menu.
|
||||
'{cache_admin_menu}',
|
||||
// Panels.
|
||||
'{panels_object_cache}',
|
||||
// Views.
|
||||
'{cache_views}',
|
||||
'{cache_views_data}',
|
||||
'{views_object_cache}',
|
||||
);
|
||||
foreach (array_map(array($connection, 'prefixTables'), $excludes) as $table) {
|
||||
if (isset($tables[$table])) {
|
||||
$tables[$table]['data'] = FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
return $tables;
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve a pipe delimited string of autocomplete suggestions for existing snapshots.
|
||||
*/
|
||||
function demo_autocomplete($string = '') {
|
||||
$matches = array();
|
||||
if ($string && $fileconfig = demo_get_fileconfig()) {
|
||||
$string = preg_quote($string);
|
||||
$files = file_scan_directory($fileconfig['dumppath'], '/' . $string . '.*\.info$/');
|
||||
foreach ($files as $file) {
|
||||
$matches[$file->name] = check_plain($file->name);
|
||||
}
|
||||
}
|
||||
drupal_json_output($matches);
|
||||
}
|
||||
|
||||
/**
|
||||
* Transfer (download) a snapshot file.
|
||||
*
|
||||
* @param $filename
|
||||
* The snapshot filename to transfer.
|
||||
* @param $type
|
||||
* The file type, i.e. extension to transfer.
|
||||
*
|
||||
* @todo Allow to download an bundled archive of snapshot files.
|
||||
*/
|
||||
function demo_download($filename, $type) {
|
||||
$fileconfig = demo_get_fileconfig($filename);
|
||||
if (!isset($fileconfig[$type . 'file']) || !file_exists($fileconfig[$type . 'file'])) {
|
||||
return MENU_NOT_FOUND;
|
||||
}
|
||||
// Force the client to re-download and trigger a file save download.
|
||||
$headers = array(
|
||||
'Cache-Control: private',
|
||||
'Content-Type: application/octet-stream',
|
||||
'Content-Length: ' . filesize($fileconfig[$type . 'file']),
|
||||
'Content-Disposition: attachment, filename=' . $fileconfig[$type],
|
||||
);
|
||||
file_transfer($fileconfig[$type . 'file'], $headers);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user