function getQuestionAnswer( qp_PollStore $pollStore ) {
if ( $pollStore->pid !== null ) {
if ( $pollStore->questionExists( $this->mQuestionId ) ) {
$qdata = $pollStore->Questions[ $this->mQuestionId ];
$this->loadAnswer( $qdata );
return true;
}
}
return false;
}
function qpuserchoice(Parser &$parser, PPFrame $frame, array $args)
{
$this->frame = $frame;
$this->args =& $args;
if (isset($args[0])) {
# args[0] is a poll address
$this->pollAddr = trim($this->frame->expand($this->args[0]));
$this->pollStore = qp_PollStore::newFromAddr($this->pollAddr);
if ($this->pollStore instanceof qp_PollStore && $this->pollStore->pid !== null) {
$this->error_message = 'missing_question_id';
if (isset($args[1])) {
# args[1] is question_id
$qdata = $this->getQuestionData(trim($frame->expand($args[1])));
if ($qdata instanceof qp_QuestionData) {
$this->error_message = 'missing_proposal_id';
if (isset($args[2])) {
# get poll's proposal choice
$this->proposal_id = trim($frame->expand($args[2]));
$this->error_message = 'invalid_proposal_id';
if (preg_match(qp_Setup::PREG_NON_NEGATIVE_INT4_MATCH, $this->proposal_id)) {
$this->defaultProposalText = isset($args[3]) ? trim($frame->expand($args[3])) : '';
$this->proposal_id = intval($this->proposal_id);
$this->error_message = 'missing_proposal_id';
if (array_key_exists($this->proposal_id, $qdata->ProposalText)) {
return $this->qpuserchoiceValidResult($qdata);
}
}
}
}
}
}
}
return '<strong class="error">qpuserchoice: ' . wfMsgHTML('qp_func_' . $this->error_message, qp_Setup::specialchars($this->pollAddr), qp_Setup::specialchars($this->question_id), qp_Setup::specialchars($this->proposal_id)) . '</strong>';
}
/**
* Prepares qp_PollStore object
* @return boolean true on success ($this->pollStore has been created successfully)
* string error message on failure
*/
function getPollStore() {
$this->pollStore = qp_PollStore::newFromAddr( $this->pollAddr );
if ( !( $this->pollStore instanceof qp_PollStore ) || $this->pollStore->pid === null ) {
return self::fatalErrorQuote( 'qp_error_no_such_poll', $this->pollAddr );
}
if ( !$this->pollStore->loadQuestions() ) {
$this->mState = "error";
return self::fatalErrorQuote( 'qp_error_no_stats', $this->pollAddr );
}
$this->pollStore->setLastUser( $this->username );
# do not check the result, because we may show results even if the user hasn't voted
$this->pollStore->loadUserAlreadyVoted();
return true;
}
/**
* Returns either scalar or associative array with structured interpretation
* of the specified poll for the current user
*
* @return scalar/array when success; null when there is no structured interpretation
*/
function qp_getStructuredInterpretation($poll_address)
{
$pollStore = qp_PollStore::newFromAddr($poll_address);
if (!$pollStore instanceof qp_PollStore || $pollStore->pid === null) {
return null;
}
$username = qp_Setup::getCurrUserName();
$pollStore->loadQuestions();
$pollStore->setLastUser($username);
if ($pollStore->interpResult->structured === '') {
return null;
}
return unserialize($pollStore->interpResult->structured);
}
private function checkDependance( $dependsOn, $nonVotedDepLink = false ) {
# check the headers for dependance to other polls
if ( $dependsOn === '' ) {
return true;
}
$depPollStore = qp_PollStore::newFromAddr( $dependsOn );
if ( $depPollStore instanceof qp_PollStore ) {
# process recursive dependance
$depTitle = $depPollStore->getTitle();
$depPollId = $depPollStore->mPollId;
$depLink = $this->view->link( $depTitle, $depTitle->getPrefixedText() . ' (' . $depPollStore->mPollId . ')' );
if ( $depPollStore->pid === null ) {
return self::fatalErrorNoQuote( 'qp_error_missed_dependance_poll', qp_Setup::specialchars( $this->mPollId ), $depLink, qp_Setup::specialchars( $depPollId ) );
}
if ( !$depPollStore->loadQuestions() ) {
return self::fatalErrorNoQuote( 'qp_error_vote_dependance_poll', $depLink );
}
$depPollStore->setLastUser( $this->username );
if ( $depPollStore->loadUserAlreadyVoted() ) {
# user already voted in current the poll in chain
if ( $depPollStore->dependsOn === '' ) {
if ( $nonVotedDepLink === false ) {
# there was no non-voted deplinks in the chain at some previous level of recursion
return true;
} else {
# there is an non-voted deplink in the chain at some previous level of recursion
return self::fatalErrorNoQuote( 'qp_error_vote_dependance_poll', $nonVotedDepLink );
}
} else {
return $this->checkDependance( $depPollStore->dependsOn, $nonVotedDepLink );
}
} else {
# user hasn't voted in current the poll in chain
if ( $depPollStore->dependsOn === '' ) {
# current element of chain is not voted and furthermore, doesn't depend on any other polls
return self::fatalErrorNoQuote( 'qp_error_vote_dependance_poll', $depLink );
} else {
# current element of chain is not voted, BUT it has it's own dependance
# so we will check for the most deeply nested poll which hasn't voted, yet
return $this->checkDependance( $depPollStore->dependsOn, $depLink );
}
}
} else {
# process poll address errors
switch ( $depPollStore ) {
case qp_Setup::ERROR_INVALID_ADDRESS :
return self::fatalErrorQuote( 'qp_error_invalid_dependance_value', $this->mPollId, $dependsOn );
case qp_Setup::ERROR_MISSED_TITLE :
$depSplit = self::getPrefixedPollAddress( $dependsOn );
if ( is_array( $depSplit ) ) {
list( $depTitleStr, $depPollId ) = $depSplit;
$depTitle = Title::newFromURL( $depTitleStr );
$depTitleStr = $depTitle->getPrefixedText();
$depLink = $this->view->link( $depTitle, $depTitleStr );
return self::fatalErrorNoQuote( 'qp_error_missed_dependance_title', qp_Setup::specialchars( $this->mPollId ), $depLink, qp_Setup::specialchars( $depPollId ) );
} else {
return self::fatalErrorQuote( 'qp_error_invalid_dependance_value', $this->mPollId, $dependsOn );
}
default :
throw new MWException( __METHOD__ . ' invalid dependance poll store found' );
}
}
}
function getPageHeader() {
global $wgLang, $wgContLang;
$link = "";
if ( $this->pid !== null ) {
$pollStore = new qp_PollStore( array( 'from' => 'pid', 'pid' => $this->pid ) );
if ( $pollStore->pid !== null ) {
$pollStore->loadQuestions();
$poll_title = Title::makeTitle( intval( $this->ns ), $this->title, qp_AbstractPoll::s_getPollTitleFragment( $this->poll_id, '' ) );
$pagename = qp_Setup::specialchars( $wgContLang->convert( $poll_title->getPrefixedText() ) );
$pollname = qp_Setup::specialchars( $this->poll_id );
$head = array();
$head[] = $this->showPollActionsList(
$pollStore->pid,
$pollStore->mPollId,
$poll_title
);
$head[] = wfMsg( 'qp_header_line_qpul', wfMsg( 'qp_users_link' ), $pagename, $pollname );
$ques_found = false;
foreach ( $pollStore->Questions as $qdata ) {
if ( $qdata->question_id == $this->question_id ) {
$ques_found = true;
break;
}
}
if ( $ques_found ) {
$qpa = wfMsg( 'qp_header_line_qucl', $this->question_id, qp_Setup::entities( $qdata->CommonQuestion ) );
if ( array_key_exists( $this->cat_id, $qdata->Categories ) ) {
$categ = &$qdata->Categories[ $this->cat_id ];
$proptext = $qdata->ProposalText[ $this->proposal_id ];
$cat_name = $categ['name'];
if ( array_key_exists( 'spanId', $categ ) ) {
$cat_name = wfMsg( 'qp_full_category_name', $cat_name, $qdata->CategorySpans[ $categ['spanId'] ]['name'] );
}
$head[] = wfMsg( 'qp_header_line_qucl',
$this->question_id,
qp_Setup::entities( $qdata->CommonQuestion ),
qp_Setup::entities( $proptext ),
qp_Setup::entities( $cat_name ) );
qp_Renderer::applyAttrsToRow( $head, array( '__tag' => 'li', '__end' => "\n" ) );
$head = array( '__tag' => 'ul', 'class' => 'head', $head );
$link = PollResults::getPollsLink() .
PollResults::getUsersLink() .
qp_Renderer::renderTagArray( $head );
}
}
}
}
return $link;
}
function interpretationToXLS( qp_PollStore $pollStore ) {
$offset = 0;
# iterate through the voters of the current poll (there might be many)
while ( ( $limit = count( $voters = $pollStore->pollVotersPager( $offset ) ) ) > 0 ) {
foreach ( $voters as &$voter ) {
if ( $voter['interpretation']->short != '' ) {
$this->writeLn( 0, wfMsg( 'qp_results_short_interpretation' ), 'heading' );
$this->writeLn( 0, $voter['interpretation']->short );
}
if ( $voter['interpretation']->structured != '' ) {
$this->writeLn( 0, wfMsg( 'qp_results_structured_interpretation' ), 'heading' );
$strucTable = $voter['interpretation']->getStructuredAnswerTable();
foreach ( $strucTable as &$line ) {
if ( isset( $line['keys'] ) ) {
# current node is associative array
$this->writeRowLn( 0, $line['keys'], 'odd' );
$this->writeRowLn( 0, $line['vals'] );
} else {
$this->writeLn( 0, $line['vals'] );
}
}
$this->nextRow();
}
}
$offset += $limit;
}
}
/**
* Calculates Percents[] properties for specified question from
* it's Votes[] properties.
* @param $store
* instance of qp_PollStore associated with $this qdata
*/
function calculateQuestionStatistics( qp_PollStore $store ) {
if ( !isset( $this->Votes ) ) {
return;
}
# $this has votes
$this->restoreSpans();
$spansUsed = count( $this->CategorySpans ) > 0 ;
foreach ( $this->ProposalText as $propkey => $proposal_text ) {
if ( isset( $this->Votes[ $propkey ] ) ) {
$votes_row = &$this->Votes[ $propkey ];
if ( $this->type == "singleChoice" ) {
if ( $spansUsed ) {
$row_totals = array_fill( 0, count( $this->CategorySpans ), 0 );
} else {
$votes_total = 0;
}
foreach ( $this->Categories as $catkey => $cat ) {
if ( isset( $votes_row[ $catkey ] ) ) {
if ( $spansUsed ) {
$row_totals[ intval( $cat[ "spanId" ] ) ] += $votes_row[ $catkey ];
} else {
$votes_total += $votes_row[ $catkey ];
}
}
}
} else {
$votes_total = $store->totalUsersAnsweredQuestion( $this );
}
foreach ( $this->Categories as $catkey => $cat ) {
$num_of_votes = '';
if ( isset( $votes_row[ $catkey ] ) ) {
$num_of_votes = $votes_row[ $catkey ];
if ( $spansUsed ) {
if ( isset( $this->Categories[ $catkey ][ "spanId" ] ) ) {
$votes_total = $row_totals[ intval( $this->Categories[ $catkey ][ "spanId" ] ) ];
}
}
}
$this->Percents[ $propkey ][ $catkey ] = ( $votes_total > 0 ) ? (float) $num_of_votes / (float) $votes_total : 0.0;
}
}
}
}
