Possible poll responses:
EOT;
if (!isset($PHORUM["mod_poll"]["num_possible_ans"])) {
$PHORUM["mod_poll"]["num_possible_ans"] = MOD_POLL_NUM_POSSIBLE_ANSWERS_DEFAULT;
}
for ($i=1; $i <= $PHORUM["mod_poll"]["num_possible_ans"]; ++$i) {
if ($_POST["pollans"][$i]) {
$_POST["pollans"][$i] = htmlspecialchars($_POST["pollans"][$i]);
$_POST["pollans"][$i] = str_replace ('"', '"', $_POST["pollans"][$i]);
}
$val = $_POST["pollans"][$i];
$PHORUM['DATA']['POLLFORM'] .=<<
EOT;
}
$PHORUM['DATA']['POLLFORM'] .= '';
}
// set up the question and answers
if ($_POST['addpoll']){
$PHORUM['DATA']['POLL']['QUESTION'] = $_POST['pollq'];
foreach ($_POST['pollans'] AS $ans) {
$ans = trim($ans);
if ($ans) {
$PHORUM['DATA']['POLL']['ANSWERS'][] = $ans;
}
}
if (empty($PHORUM['DATA']['POLL']['QUESTION']) || empty($PHORUM['DATA']['POLL']['ANSWERS'])) {
$PHORUM['DATA']['POLL']['ERROR'] = true;
}
else {
$PHORUM['DATA']['POLL']['ERROR'] = false;
}
}
}
}
}
// After the message is formatted, we add the poll info to the beginning of the message body.
// hook: format
function mod_poll_display($messages) {
GLOBAL $PHORUM;
if (isset($PHORUM['DATA']['POLL'])) {
// we get here when we preview a poll -- need to simulate metadata
$messages[0]["meta"]["mod_poll"]["question"]=$PHORUM['DATA']['POLL']['QUESTION'];
$messages[0]["meta"]["mod_poll"]["answers"]=$PHORUM['DATA']['POLL']['ANSWERS'];
if (is_array($PHORUM['DATA']['POLL']['ANSWERS'])) {
foreach ($PHORUM['DATA']['POLL']['ANSWERS'] AS $key => $val) {
$messages[0]["meta"]["mod_poll"]["votes"][$key]=0;
}
}
}
foreach ($messages AS $key => $val) {
// add the poll to the start of the message
if (isset($messages[$key]["meta"]["mod_poll"]["question"])) {
$num_responses = 0;
if (is_array($messages[$key]["meta"]["mod_poll"]["votes"])) {
foreach ($messages[$key]["meta"]["mod_poll"]["votes"] AS $n) {
$num_responses += $n;
}
}
$s_plural = ($num_responses==1 ? '' : 's');
$user_has_voted = isset($PHORUM["user"]["mod_poll"]["voted"][$key]);
$poll_question = $messages[$key]["meta"]["mod_poll"]["question"];
$pre_body = "
';
$messages[$key]['body'] = $pre_body . $messages[$key]['body'];
}
}
return $messages;
}
// We get here when someone submits a vote
// Input: $_POST["message_id"], $_POST["pollvote"]
// hook: common
function mod_poll_receive_vote() {
GLOBAL $PHORUM;
if($PHORUM['DATA']['LOGGEDIN']) {
if(phorum_page == "post") {
if (isset($_POST['pollvote']) || isset($_POST['pollcancel'])) {
// get the poll info
$vote = $_POST["pollvote"];
$message_id = $_POST["message_id"];
$message=phorum_db_get_message($message_id);
}
if (isset($_POST['pollvote'])) {
// check that the user's response is a valid poll answer
if (isset($message["meta"]["mod_poll"]["answers"][$vote])) {
// check if the person has already voted
if (!isset($PHORUM["user"]["mod_poll"]["voted"][$message_id])) {
// update poll
$message["meta"]["mod_poll"]["votes"][$vote]++;
phorum_db_update_message($message["message_id"], $message);
// update user
$userdata=array();
$userdata['user_id']=$PHORUM["user"]["user_id"];
$userdata["mod_poll"]=$PHORUM["user"]["mod_poll"];
$userdata["mod_poll"]["voted"][$message_id]=$vote;
phorum_user_save($userdata);
}
}
// redirect to thread
$redirect = phorum_get_url(PHORUM_READ_URL, $message_id);
phorum_redirect_by_url ($redirect);
}
if (isset($_POST['pollcancel'])) {
// check if the person has already voted
if (isset($PHORUM["user"]["mod_poll"]["voted"][$message_id])) {
// update poll
$the_vote = $PHORUM["user"]["mod_poll"]["voted"][$message_id];
$message["meta"]["mod_poll"]["votes"][$the_vote]--;
phorum_db_update_message($message["message_id"], $message);
// update user
$userdata=array();
$userdata['user_id']=$PHORUM["user"]["user_id"];
$userdata["mod_poll"]=$PHORUM["user"]["mod_poll"];
unset($userdata["mod_poll"]["voted"][$message_id]);
phorum_user_save($userdata);
}
// redirect to thread
$redirect = phorum_get_url(PHORUM_READ_URL, $message_id, 'showresults=1');
phorum_redirect_by_url ($redirect);
}
}
}
}
// After a new poll is posted, we need to save it to the message's metadata
// hook: post_post
function mod_poll_save_metadata($message) {
GLOBAL $PHORUM;
if (isset($PHORUM['DATA']['POLL']) && !$PHORUM['DATA']['POLL']['ERROR']) {
// save the poll as message metadata
$temp_message = phorum_db_get_message ($message["message_id"]);
$new_mess_struct["meta"]=$temp_message["meta"];
$new_mess_struct["meta"]["mod_poll"]["question"]=$PHORUM['DATA']['POLL']['QUESTION'];
$new_mess_struct["meta"]["mod_poll"]["answers"]=$PHORUM['DATA']['POLL']['ANSWERS'];
foreach ($PHORUM['DATA']['POLL']['ANSWERS'] AS $key => $val) {
$new_mess_struct["meta"]["mod_poll"]["votes"][$key]=0;
}
if (!stristr($temp_message["subject"], 'poll')) {
$new_mess_struct["subject"] = 'Poll: ' . $temp_message["subject"];
}
phorum_db_update_message($message["message_id"], $new_mess_struct);
}
return $message;
}
?>