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<?php
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// $Id: node_admin.inc,v 1.6 2009/01/14 17:36:11 dww Exp $
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/**
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* @file
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* Code related to the signup administration tab on each node.
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*/
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/**
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* Print the signup administration tab for a single node.
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*/
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function signup_node_admin_page($node) {
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drupal_set_title(check_plain($node->title));
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// Administrative table to control signups for this node.
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// We only want this if we're not in the middle of confirming a bulk
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// operation on the signup details table. Even though directly inspecting
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// POST is almost always a bad idea, in this case, we're not using or
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// displaying any of the data at all. We're just making a cosmetic decision
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// based on if it's a certain kind of POST...
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if (empty($_POST['operation'])) {
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module_load_include('inc', 'signup', 'includes/node_admin_summary');
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$signup_node_admin_summary_form = drupal_get_form('signup_node_admin_summary_form', $node);
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}
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else {
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// We're either dealing with a validation error or on a confirm form, so
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// don't render the summary form at all.
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$signup_node_admin_summary_form = '';
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}
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// Signup details table, including cancel checkboxes.
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$display_list = variable_get('signup_display_signup_admin_list', 'signup');
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if ($display_list == 'signup') {
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$signup_node_admin_details_form = drupal_get_form('signup_node_admin_details_form', $node);
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}
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elseif ($display_list == 'embed-view' && module_exists('views')) {
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$signup_view = _signup_get_admin_list_view();
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$signup_view_parts = explode(':', $signup_view);
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$view_name = $signup_view_parts[0];
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$view_display = $signup_view_parts[1];
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$view = views_get_view($view_name);
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$view->override_path = 'node/%/signups/admin';
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$view_args = array($node->nid);
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$signup_node_admin_details_form = $view->preview($view_display, $view_args);
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}
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else {
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// They don't want the administrative user list at all.
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$signup_node_admin_details_form = '';
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}
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return theme('signup_node_admin_page', $node, $signup_node_admin_summary_form, $signup_node_admin_details_form);
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}
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function signup_node_admin_details_form(&$form_state, $node) {
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unset($_SESSION['signup_cancel_multiple_users']);
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$form = array();
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// Prepare a table header that allows sorting on name and signup time.
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$header = array(
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theme('table_select_header_cell'),
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array('data' => t('Name'), 'field' => 'u.name', 'sort' => 'asc'),
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array('data' => t('Signup time'), 'field' => 's.signup_time'),
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array('data' => t('Extra information')),
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array('data' => t('Attendance'), 'field' => 's.attended'),
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);
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$sql = "SELECT u.uid, u.name, s.* FROM {signup_log} s INNER JOIN {users} u ON u.uid = s.uid WHERE s.nid = %d";
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$sql .= tablesort_sql($header);
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$result = db_query($sql, $node->nid);
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// Loop through the users, unserializing their user data.
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while ($signed_up_user = db_fetch_object($result)) {
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// The "username" to print is different for anon signups and registered
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// user signups. For registered users, provide a link to the user profile
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// For anon, use the user's email address as the name.
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if ($signed_up_user->uid == 0) {
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$username = check_plain($signed_up_user->anon_mail);
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}
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else {
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$username = theme('username', $signed_up_user);
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}
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$key = $signed_up_user->sid;
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$users[$key] = '';
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$form['username'][$key] = array('#value' => $username);
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$form['signup_date'][$key] = array('#value' => format_date($signed_up_user->signup_time, variable_get('signup_date_format', 'small')));
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$form['signup_form_data'][$key] = array('#value' => theme('signup_custom_data', unserialize($signed_up_user->form_data)));
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$form['attended'][$key] = array('#value' => theme('signup_attended_text', $signed_up_user->attended));
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}
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if (empty($users)) {
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$form['no_users'] = array('#value' => t('No users have signed up for this %node_type.', array('%node_type' => node_get_types('name', $node->type))));
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}
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else {
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$form['nid'] = array(
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'#type' => 'hidden',
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'#value' => $node->nid,
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);
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$form['users'] = array('#type' => 'checkboxes', '#options' => $users);
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$form['operation'] = array(
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'#type' => 'select',
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'#options' => array(
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'attend_yes' => t('Mark as attended'),
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'attend_no' => t('Mark as did not attend'),
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),
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);
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if (user_access('cancel signups')) {
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$form['operation']['#options']['cancel'] = t('Cancel signup');
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}
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Update'),
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'#submit' => array('signup_node_admin_multiple_submit'),
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'#validate' => array('signup_node_admin_multiple_validate'),
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);
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$form['#header'] = $header;
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}
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return $form;
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}
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/**
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* Validate handler for updating multiple signups via node/N/signups.
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*/
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function signup_node_admin_multiple_validate($form, &$form_state) {
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$users = array_filter($form_state['values']['users']);
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if (empty($users)) {
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form_set_error('', t('No users selected.'));
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}
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}
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/**
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* Submit handler for updating multiple signups via node/N/signups.
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*
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* If the operation is non-destructive (recording attendance), do the deed.
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* For cancelling multiple users, this just saves the selected users into
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* SESSION and redirects to a confirm form which is registered at
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* node/N/signups/confirm.
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*/
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function signup_node_admin_multiple_submit($form, &$form_state) {
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$users = array_filter($form_state['values']['users']);
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switch ($form_state['values']['operation']) {
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case 'cancel':
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if (user_access('cancel signups')) {
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$_SESSION['signup_cancel_multiple_users'] = $users;
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$form_state['redirect'] = 'node/'. $form_state['values']['nid'] .'/signups/confirm';
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return;
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}
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else {
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drupal_set_message(t('You do not have permission to cancel signups.'), 'error');
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return;
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}
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case 'attend_yes':
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$attend = 1;
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break;
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case 'attend_no':
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$attend = 0;
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break;
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}
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$placeholders = db_placeholders($users);
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db_query("UPDATE {signup_log} SET attended = %d WHERE sid IN ($placeholders)", array($attend) + $users);
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}
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/**
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* Builds the confirm form when canceling multiple signups from node/N/signups.
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*/
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function signup_cancel_multiple_confirm(&$form_state, $node) {
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$form = array();
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$form['nid'] = array(
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'#type' => 'hidden',
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'#value' => $node->nid,
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);
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$form['users'] = array(
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'#prefix' => '<ul>',
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'#suffix' => '</ul>',
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'#tree' => TRUE,
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);
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$placeholders = db_placeholders($_SESSION['signup_cancel_multiple_users']);
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$query = db_query("SELECT u.name, u.uid, s.* FROM {signup_log} s INNER JOIN {users} u ON s.uid = u.uid WHERE s.sid IN (". $placeholders .")", $_SESSION['signup_cancel_multiple_users']);
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while ($signup = db_fetch_object($query)) {
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$key = $signup->sid;
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if ($signup->uid) {
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$label = theme('username', $signup);
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}
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else {
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$label = t('Anonymous signup: %anon_mail', array('%anon_mail' => $signup->anon_mail));
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}
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$form['users'][$key] = array(
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'#type' => 'hidden',
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'#value' => $key,
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'#prefix' => '<li>',
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'#suffix' => $label ."</li>\n",
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);
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}
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$form['#submit'][] = 'signup_cancel_multiple_confirm_submit';
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return confirm_form(
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$form,
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t('Are you sure you want to cancel signups for these users?'),
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'node/'. $node->nid .'/signups',
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t('This action cannot be undone.'),
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t('Cancel signups'), t('Keep signups')
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);
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}
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/**
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* Submit handler for the confirm form to cancel multiple signups.
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*/
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function signup_cancel_multiple_confirm_submit($form, &$form_state) {
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$nid = $form_state['values']['nid'];
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if (user_access('cancel signups')) {
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foreach ($form_state['values']['users'] as $key) {
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signup_cancel_signup($key);
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}
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}
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else {
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drupal_set_message(t('You do not have permission to cancel signups.'), 'error');
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}
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$form_state['redirect'] = 'node/'. $nid .'/signups';
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unset($_SESSION['signup_cancel_multiple_users']);
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}
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