function advpoll_voting_binary_form_validate in Advanced Poll 5
Same name and namespace in other branches
- 6.3 modes/binary.inc \advpoll_voting_binary_form_validate()
- 6 modes/binary.inc \advpoll_voting_binary_form_validate()
- 6.2 modes/binary.inc \advpoll_voting_binary_form_validate()
Check if the submitted key exists, just to make sure the form is not bypassed.
@returns boolean true if the form is valid
File
- modes/
binary.inc, line 215
Code
function advpoll_voting_binary_form_validate($form_id, $form_values) {
$node = node_load($form_values['nid']);
$ajax = $form_values['ajax'];
// Check if user is eligible to vote
if (!advpoll_eligible($node)) {
_advpoll_form_set_error('choice[', t('You are not allowed to vote in this poll.'), $ajax);
}
// Check if poll is active
if (!_advpoll_is_active($node)) {
_advpoll_form_set_error('choice[', t('This poll is closed.'), $ajax);
}
// Whether the write-in option is selected. This is calculated differently for
// radio buttons and checkboxes.
$writein_option = FALSE;
$writein_text = $form_values['writein_key'] ? $form_values['writein_choice'] : '';
// Check if user has already voted
list($voted, $cancel_vote) = _advpoll_user_voted($node->nid);
if ($voted) {
_advpoll_form_set_error('choice[', t('You have already voted in this poll.'), $ajax);
// Redirect to the current poll node to view the poll result instead of the voting form. This is only
// initiated for non-Ajax voting.
drupal_goto('node/' . $node->nid);
}
if ($node->max_choices == 1) {
// Plurality voting
// Write-ins are enabled, user has permission, and it's the write-in option.
if ($node->writeins && user_access('add write-ins') && $form_values['choice'] == $form_values['writein_key']) {
// Set the flag to true for additional checks.
$writein_option = TRUE;
}
elseif (!isset($node->choice[$form_values['choice']])) {
// Nothing is selected.
_advpoll_form_set_error('choice[', t('At least one choice must be selected.'), $ajax);
}
}
else {
// Approval voting.
$num_choices = 0;
foreach ($node->choice as $i => $val) {
// See if the box is checked.
if ($form_values['choice'][$i]) {
$num_choices++;
}
}
// Write-ins are enabled, user has permission, and the write-in box is checked.
if ($node->writeins && user_access('add write-ins') && $form_values['choice'][$form_values['writein_key']]) {
// Add one to number of choices for check on min/max boxes checked.
$num_choices++;
// Set the flag to true for additional checks.
$writein_option = TRUE;
}
// Too many choices ranked.
if ($node->max_choices != 0 && $num_choices > $node->max_choices) {
$message = t('%num choices were selected but only %max are allowed.', array(
'%num' => $num_choices,
'%max' => $node->max_choices,
));
_advpoll_form_set_error('choice[', $message, $ajax);
}
// Not enough choices ranked.
$min_choices = 1;
if ($num_choices < $min_choices) {
_advpoll_form_set_error('choice[', t('At least one choice must be selected.'), $ajax);
}
}
// Do validation specific to writeins.
_advpoll_writeins_voting_form_validate($node, $writein_option, $writein_text, $ajax);
}