/**
* Gets an issue list based on the given parameters.
*
* @param array $p_parameters
* An array of ComparisonOperation objects
* @param string $p_order
* An array of columns and directions to order by
* @param integer $p_count
* The count of answers.
*
* @return array $issuesList
* An array of Issue objects
*/
public static function GetList(array $p_parameters, $p_order = null, $p_start = 0, $p_limit = 0, &$p_count)
{
global $g_ado_db;
$hasPollNr = false;
$hasLanguageId = fase;
$selectClauseObj = new SQLSelectClause();
if (!is_array($p_parameters)) {
return null;
}
// adodb::selectLimit() interpretes -1 as unlimited
if ($p_limit == 0) {
$p_limit = -1;
}
// sets the where conditions
foreach ($p_parameters as $param) {
$comparisonOperation = self::ProcessListParameters($param);
if (empty($comparisonOperation)) {
continue;
}
if (strpos($comparisonOperation['left'], 'poll_nr') !== false) {
$hasPollNr = true;
}
if (strpos($comparisonOperation['left'], 'language_id') !== false) {
$hasLanguageId = true;
}
$whereCondition = $comparisonOperation['left'] . ' '
. $comparisonOperation['symbol'] . " '"
. $g_ado_db->escape($comparisonOperation['right']) . "' ";
$selectClauseObj->addWhere($whereCondition);
}
// validates whether publication identifier was given
if ($hasPollNr == false) {
CampTemplate::singleton()->trigger_error('missed parameter Poll Number in statement list_pollanswers');
return;
}
// validates whether language identifier was given
if ($hasLanguageId == false) {
CampTemplate::singleton()->trigger_error('missed parameter Language Identifier in statement list_pollanswers');
return;
}
// sets the columns to be fetched
$tmpPollAnswer = new PollAnswer();
$columnNames = $tmpPollAnswer->getColumnNames(true);
foreach ($columnNames as $columnName) {
$selectClauseObj->addColumn($columnName);
}
// sets the main table for the query
$mainTblName = $tmpPollAnswer->getDbTableName();
$selectClauseObj->setTable($mainTblName);
unset($tmpPollAnswer);
if (!is_array($p_order)) {
$p_order = array();
}
// sets the ORDER BY condition
$p_order = count($p_order) > 0 ? $p_order : PollAnswer::$s_defaultOrder;
$order = PollAnswer::ProcessListOrder($p_order);
foreach ($order as $orderColumn => $orderDirection) {
$selectClauseObj->addOrderBy($orderColumn . ' ' . $orderDirection);
}
$sqlQuery = $selectClauseObj->buildQuery();
// count all available results
$countRes = $g_ado_db->Execute($sqlQuery);
$p_count = $countRes->recordCount();
//get the wanted rows
$pollAnswerRes = $g_ado_db->Execute($sqlQuery);
// builds the array of poll objects
$pollAnswersList = array();
while ($pollAnswer = $pollAnswerRes->FetchRow()) {
$pollAnswerObj = new PollAnswer($pollAnswer['fk_language_id'], $pollAnswer['fk_poll_nr'], $pollAnswer['nr_answer']);
if ($pollAnswerObj->exists()) {
$pollAnswersList[] = $pollAnswerObj;
}
}
return $pollAnswersList;
} // fn GetList
