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- <?php
- global $_qbf_er;
- $_qbf_er = error_reporting(E_ALL | E_STRICT);
- define('QBF_LEVEL_REMOVE', 0);
- define('QBF_LEVEL_DISPLAY', 1);
- define('QBF_LEVEL_OPTIONAL', 2);
- define('QBF_LEVEL_REQUIRED', 3);
- define('QBF_PATH_MAIN', 'qbf');
- define('QBF_PATH_AC', 'qbf/ac');
- define('QBF_PATH_SETTINGS', 'admin/settings/qbf');
- define('QBF_PERM_QUERY', 'use QBF search functions');
- define('QBF_PERM_ADMIN', 'administer QBF');
- define('QBF_TABLE_NAME', 'qbf_queries');
- define('QBF_VAR_NOTIFY_DELETE', 'qbf_notify_delete');
- define('QBF_DEF_NOTIFY_DELETE', FALSE);
- function qbf_transform_form($form_id) {
- $ar_args = func_get_args();
-
- $form = call_user_func_array('drupal_retrieve_form', $ar_args);
- $new_form_id = "qbf_$form_id";
-
- $elements = array();
- $new_form = array();
- $new_form['#qbf_source_form_id'] = $form_id;
- if (in_array('#qbf', element_properties($form))) {
- $new_form += $form['#qbf'];
- }
- foreach (element_children($form) as $key) {
-
- $new_element = _qbf_transform_element($key, $form[$key]);
- if (!is_null($new_element)) {
- $new_form[$key] = $new_element;
- }
- }
- $new_form['#id'] = $new_form_id;
- $new_form['#multistep'] = TRUE;
-
-
- $new_form['#after_build'][] = 'qbf_after_build';
- $new_form['#submit'] = array('qbf_submit' => array());
- return $new_form;
- }
- function _qbf_transform_element($key, $element) {
-
-
- static $ar_default_type_transformations = array
- (
- 'button' => NULL,
- 'file' => NULL,
-
- 'markup' => NULL,
- 'password' => NULL,
- 'radio' => NULL,
- 'submit' => NULL,
- 'textarea' => 'textfield',
-
- );
-
- static $ar_default_property_transformations = array
- (
-
- '#action' => NULL,
- '#after_build' => NULL,
- '#base' => NULL,
- '#button_type' => NULL,
- '#built' => NULL,
- '#description' => NULL,
- '#method' => NULL,
- '#parents' => NULL,
- '#redirect' => NULL,
- '#ref' => NULL,
- '#required' => NULL,
- '#rows' => NULL,
- '#submit' => NULL,
- '#tree' => NULL,
- '#validate' => NULL,
- );
-
- static $ar_killer_properties = array
- (
- '#disabled' => TRUE,
- );
-
- $source_type = $element['#type'];
-
- $dest_type = array_key_exists($source_type, $ar_default_type_transformations)
- ? $ar_default_type_transformations[$source_type]
- : $source_type;
-
- if (isset($element['#qbf']['#type'])) {
- $dest_type = $element['#qbf']['#type'];
- }
- if (is_null($dest_type)) {
- $ret = NULL;
- }
- else {
- $ret = $element;
- $ret['#type'] = $dest_type;
- if (!array_key_exists('#qbf', $element) || $element['#qbf']['#level'] == QBF_LEVEL_REMOVE) {
- $ret = NULL;
- }
- else {
- foreach (element_properties($element) as $property_name) {
-
- if (array_key_exists($property_name, $ar_killer_properties)
- && ($element[$property_name] = $ar_killer_properties[$property_name])) {
- $ret = NULL;
- break;
- }
-
- if (array_key_exists($property_name, $ar_default_property_transformations)) {
- $ret[$property_name] = $ar_default_property_transformations[$property_name];
- }
- else {
- $ret[$property_name] = $element[$property_name];
- }
-
- if ($property_name == '#qbf') {
- foreach ($element[$property_name] as $override_name => $override_value) {
- $ret[$override_name] = $override_value;
- }
- }
- }
-
- foreach (element_children($element) as $child_name) {
- $child = _qbf_transform_element($child_name, $element[$child_name]);
- if (is_null($child)) {
- unset($ret[$child_name]);
- }
- else {
- $ret[$child_name] = $child;
- }
- }
- }
- }
-
- return $ret;
- }
- function qbf_perm() {
- $ret = array
- (
- QBF_PERM_ADMIN,
- QBF_PERM_QUERY,
- );
- return $ret;
- }
- function qbf_forms() {
- $hook_name = 'qbf_register';
- foreach (module_implements($hook_name) as $module) {
- foreach (module_invoke($module, $hook_name) as $form_name) {
- $forms["qbf_$form_name"] = array
- (
- 'callback' => 'qbf_transform_form',
- 'callback arguments' => array($form_name),
- );
- }
- }
- return $forms;
- }
- function qbf_after_build($form, $form_values) {
- if (empty($form['#post'])) {
- return $form;
- }
-
- $ar_query = _qbf_extract_query($form, $form_values);
-
- if (isset($form['#callback']) && function_exists($function = $form['#callback'])) {
- $results = $function($ar_query);
- }
- else {
- drupal_set_message(t('QBF: incorrect callback function for search'), 'error');
- }
- $form['qbf_query_results'] = array
- (
- '#type' => 'markup',
- '#value' => $results,
- '#weight' => 10,
- );
- return $form;
- }
- function _qbf_extract_query($form, $form_values) {
- $name = $form['#parents'][0];
-
- if (array_key_exists('#qbf', $form) && array_key_exists('#level', $form['#qbf'])
- && $form['#qbf']['#level'] >= QBF_LEVEL_OPTIONAL) {
- $ret = array($name => $form_values[$name]);
- }
- else {
- $ret = array();
- }
-
- foreach (element_children($form) as $child_name) {
- $ret += _qbf_extract_query($form[$child_name], $form_values);
- }
- return $ret;
- }
- function qbf_query_mapper($ar_queryMap = array(), $ar_defaults = array()) {
- $ret = array();
- foreach ($ar_queryMap as $name => $value) {
-
- if (!is_array($value)) {
- $value = array();
- }
- $item = $value;
- foreach ($ar_defaults as $default_key => $default_value) {
- if (!array_key_exists($default_key, $item)) {
- $item[$default_key] = is_null($default_value)
- ? $name
- : $default_value;
- }
-
- }
- $ret[$name] = $item;
- }
- return $ret;
- }
- function qbf_import_values($element, $form_values) {
- foreach (element_children($element) as $child_name) {
- if (!empty($form_values[$child_name])) {
- $element[$child_name]['#qbf']['#default_value'] = $form_values[$child_name];
- }
- $element[$child_name] = qbf_import_values($element[$child_name], $form_values);
- }
- return $element;
- }
- function qbf_query_load($qid) {
- $sq = 'SELECT qq.qid, qq.uid, qq.query, qq.name '
- .'FROM {%s} qq '
- .'WHERE qq.qid = %d ';
-
- $q = db_query($sq, QBF_TABLE_NAME, $qid);
- $ret = db_fetch_object($q);
-
- if ($ret === NULL) {
- $ret = NULL;
- }
- else {
- $ret->query = unserialize($ret->query);
-
- }
- return $ret;
- }
- function qbf_submit($form_id, $form_values) {
- switch ($form_values['op']) {
- case t('Search'):
- $ret = FALSE;
- break;
- case t('Save query'):
- _qbf_save($form_id, $form_values);
- drupal_set_message(t('Your query was saved as "@name".',
- array('@name' => $form_values['save-name'])));
- global $user;
- $ret = "user/$user->uid/edit/job";;
- break;
- }
-
- return $ret;
- }
- function qbf_get_queries_by_user($uid = NULL) {
- if (is_null($uid)) {
- global $user;
- $uid = $user->uid;
- }
- $sq = 'SELECT qq.qid, qq.uid, qq.name, qq.query, qq.updated '
- .'FROM {%s} qq '
- .'WHERE qq.uid = %d '
- .'ORDER BY qq.name ';
- $q = db_query($sq, QBF_TABLE_NAME, $uid);
- $ret = array();
- while ($o = db_fetch_object($q)) {
- $ret[$o->qid] = $o;
- }
- return $ret;
- }
- function _qbf_save($form_id, $form_values) {
- global $user;
- if ($user->uid == 0) {
- $warning = t('Attempt by anonymous user to save a QBF query. Should not happen.');
- drupal_set_message($warning, 'error');
- watchdog('qbf', $warning, WATCHDOG_WARNING);
- $ret = 0;
- }
- else {
- $form = drupal_retrieve_form($form_id);
- drupal_prepare_form($form_id, $form);
- $name = $form_values['save-name'];
- $form_values = _qbf_extract_query($form, $form_values);
- $ar_values = array();
- foreach ($form_values as $key => $value) {
- if (empty($value)) {
- continue;
- }
- $ar_values[$key] = $value;
- }
-
- if (!empty($name)) {
- $sq = "DELETE FROM {%s} WHERE name = '%s'";
- db_query($sq, QBF_TABLE_NAME, $name);
- }
- $sq = 'INSERT INTO {%s} (qid, uid, name, query, updated) '
- ."VALUES (%d, %d, '%s', '%s', '%d' ) ";
- $ret = db_next_id('qbf_qid');
- $q = db_query($sq, QBF_TABLE_NAME, $ret, $user->uid, $name, serialize($ar_values), time());
- }
- return $ret;
- }
- function qbf_menu()
- {
- $items = array();
- $admin_access = array(QBF_PERM_ADMIN);
- $queror_access = array(QBF_PERM_QUERY);
- $items[QBF_PATH_SETTINGS] = array
- (
- 'title' => t('Query-By-Form'),
- 'access arguments' => $admin_access,
- 'page callback' => 'drupal_get_form',
- 'page arguments' => array('qbf_admin_settings'),
- 'type' => MENU_NORMAL_ITEM,
- );
- $items[QBF_PATH_MAIN . '/%qbf_query/delete'] = array
- (
- 'type' => MENU_CALLBACK,
- 'access arguments' => $queror_access,
- 'page callback' => '_qbf_query_delete',
- 'page arguments' => array(1),
- );
- return $items;
- }
- function _qbf_query_delete($qid) {
- global $user;
- $query = qbf_query_load($qid);
- $notify = variable_get(QBF_VAR_NOTIFY_DELETE, QBF_DEF_NOTIFY_DELETE);
- $link = l($qid, QBF_PATH_MAIN .'/'. $qid .'/delete');
-
- if (isset($query->uid) && (($query->uid == $user->uid) || user_access(QBF_PERM_ADMIN))) {
- $sq = 'DELETE FROM %s WHERE qid = %d ';
- $q = db_query($sq, QBF_TABLE_NAME, $qid);
- $message = t('Query @id "@name" has been deleted.', array
- (
- '@id' => $qid,
- '@name' => $query->name,
- ));
- drupal_set_message($message, 'status');
- watchdog('qbf', $message, WATCHDOG_NOTICE, $link);
- if (variable_get(QBF_VAR_NOTIFY_DELETE, QBF_DEF_NOTIFY_DELETE) && $query->uid != $user->uid) {
- $ret = drupal_mail(__FUNCTION__, $user->mail, $message, $message, $user->mail);
- $account = user_load(array('uid' => $query->uid));
- drupal_set_message(t('User !link has been informed', array
- (
- '!link' => l($account->name, 'user/'. $query->uid),
- )));
- dsm($ret);
- }
- }
- else {
- $message = t('Failed attempt to delete query @qid. Administrator has been alerted.', array
- (
- '@qid' => $qid,
- ));
- drupal_set_message($message, 'error');
- watchdog('qbf', $message, WATCHDOG_ERROR, $link);
- }
- drupal_goto();
- }
- function qbf_admin_settings() {
- $form = array();
- $form[QBF_VAR_NOTIFY_DELETE] = array
- (
- '#type' => 'checkbox',
- '#default_value' => variable_get(QBF_VAR_NOTIFY_DELETE, QBF_DEF_NOTIFY_DELETE),
- '#title' => t('Notify users when one of their saved searches has been deleted'),
- );
- return system_settings_form($form);
- }
- error_reporting($_qbf_er);
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