function certificate_single in Certificate 3.x
Same name and namespace in other branches
- 8.3 certificate.pages.inc \certificate_single()
- 6.2 certificate.pages.inc \certificate_single()
- 6 certificate.pages.inc \certificate_single()
- 7.3 certificate.pages.inc \certificate_single()
- 7.2 certificate.pages.inc \certificate_single()
Generate a single certificate.
Check to see if user already has a certificate for a course. If so, serve it from the DB. If not, generate one and save it to the DB.
1 call to certificate_single()
- certificate_node_certificate in ./
certificate.pages.inc - Get certificate for a specific node.
File
- ./
certificate.pages.inc, line 40 - certificate.pages.inc Functions for generating certificates.
Code
function certificate_single($account, $node) {
$output = '';
// Preview.
$preview = isset($_GET['preview']) && user_access('administer certificates');
$map_options = module_invoke_all('certificate_map_options');
drupal_alter('certificate_map_options', $map_options);
$sql = "SELECT * FROM {certificate_node} WHERE nid = 0 or nid = :nid ORDER BY nid ASC";
$result = db_query($sql, array(
':nid' => $node->nid,
));
$mapping = array();
while ($row = $result
->fetch()) {
$mapping[$row->mapper][$row->type] = $row->template;
}
$template_ids = array();
foreach (array_keys($map_options) as $map_type) {
if (!empty($mapping[$map_type])) {
$matches = module_invoke_all('certificate_map', $node, $account, $map_type, array_keys(array_filter((array) $mapping[$map_type])), array());
drupal_alter('certificate_map', $matches, $node, $account, $map_type, array_keys(array_filter((array) $mapping[$map_type])), array());
if (count($matches)) {
foreach ($matches as $match_key) {
if ($mapping[$map_type][$match_key] > 0) {
// This is a valid certificate ID.
$template_ids[$mapping[$map_type][$match_key]] = $map_options[$map_type]['options'][$match_key];
}
}
}
}
}
// Alter the list of certificates the user is eligible to choose.
drupal_alter('certificate_template_ids', $template_ids, $node, $account);
if (count($template_ids) > 1) {
if (is_numeric(arg(4))) {
// User requested certificate.
if (isset($template_ids[arg(4)])) {
// User is eligible for this certificate.
$template_id = arg(4);
}
else {
return t('Not eligible for certificate.');
}
}
else {
// More than one certificate. Display a selection page.
$page = array();
$page['header'] = array(
'#type' => 'item',
'#markup' => t('You are eligible for multiple certificates.'),
);
foreach ($template_ids as $template_id => $name) {
$name = filter_xss_admin(t($name));
$rows[] = array(
$name,
l(t('Download'), "node/{$node->nid}/certificate/{$account->uid}/{$template_id}"),
);
}
$page['certificates'] = array(
'#type' => 'item',
'#theme' => 'table',
'#rows' => $rows,
);
return $page;
}
}
else {
$template_id = key($template_ids);
}
// Alter the final certificate template to load.
drupal_alter('certificate_template_id', $template_id, $node, $account);
$template = node_load($template_id);
if ($template && $node) {
// See if user already has a snapshotted certificate for a course. If so, grab
// from the DB. If not, generate a new one.
if (variable_get('certificate_snapshots', 0) && ($snapshot = certificate_snapshot_load($account, $node, $template->nid))) {
$output = $snapshot['snapshot'];
}
else {
// Prepend output with UTF 8 meta tag.
// See http://code.google.com/p/wkhtmltopdf/issues/detail?id=556
// Print module gets around this because the meta tag in Drupal is already
// set - but here, we have to add it since we are only delivering the node
// body.
$output = '<html><head><meta charset="utf-8"/></head><body>' . theme('certificate_certificate', array(
'node' => $node,
'account' => $account,
'template' => $template,
)) . '</body></html>';
// Now save this generated certificate as a 'snapshot' in the database.
$snapshot['uid'] = $account->uid;
$snapshot['nid'] = $node->nid;
$snapshot['cid'] = $template->nid;
$date = getdate();
$snapshot['date'] = $date[0];
$snapshot['snapshot'] = $output;
if (!$preview && variable_get('certificate_snapshots', 0)) {
certificate_snapshot_save($snapshot);
}
}
}
else {
return t('Sorry, there is no certificate available.');
}
$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', '');
if ($print_pdf_pdf_tool == '') {
if ($account->uid == 1) {
drupal_set_message(t('Certificate cannot be displayed because you have not selected a PDF generation tool in !link.', array(
'!link' => l('Printer, e-mail and PDF versions', 'admin/config/user-interface/print/pdf'),
)) . '.', 'error');
}
else {
drupal_set_message(t('PDF generation tool is not configured.'));
}
return ' ';
}
module_load_include('pages.inc', 'print_pdf', 'print_pdf');
if ($preview) {
print $output;
}
else {
certificate_print_pdf_wrapper($node->title . '.pdf', $output, isset($template) ? $template->certificate['orientation'] : variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT));
}
}