/**
* 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 $pollAnswerAttachmentsList
* An array of Attachment objects
*/
public static function GetList(array $p_parameters, $p_order = null, $p_start = 0, $p_limit = 0, &$p_count)
{
global $g_ado_db;
if (!is_array($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) {
$poll_nr = $comparisonOperation['right'];
}
if (strpos($comparisonOperation['left'], 'pollanswer_nr') !== false) {
$pollanswer_nr = $comparisonOperation['right'];
}
}
$sqlClauseObj = new SQLSelectClause();
// sets the columns to be fetched
$tmpPollAnswerAttachment = new PollAnswerAttachment($language_id, $poll_nr);
$columnNames = $tmpPollAnswerAttachment->getColumnNames(true);
foreach ($columnNames as $columnName) {
$sqlClauseObj->addColumn($columnName);
}
// sets the main table for the query
$mainTblName = $tmpPollAnswerAttachment->getDbTableName();
$sqlClauseObj->setTable($mainTblName);
unset($tmpPollAnswerAttachment);
if (empty($pollanswer_nr) || empty($poll_nr)) {
return;
}
$sqlClauseObj->addWhere("fk_poll_nr = " . $g_ado_db->escape($poll_nr));
$sqlClauseObj->addWhere("fk_pollanswer_nr = " . $g_ado_db->escape($pollanswer_nr));
if (!is_array($p_order)) {
$p_order = array();
}
// sets the ORDER BY condition
$p_order = count($p_order) > 0 ? $p_order : self::$s_defaultOrder;
$order = self::ProcessListOrder($p_order);
foreach ($order as $orderColumn => $orderDirection) {
$sqlClauseObj->addOrderBy($orderColumn . ' ' . $orderDirection);
}
$sqlQuery = $sqlClauseObj->buildQuery();
// count all available results
$countRes = $g_ado_db->Execute($sqlQuery);
$p_count = $countRes->recordCount();
//get the wanted rows
$pollAnswerAttachments = $g_ado_db->Execute($sqlQuery);
// builds the array of poll objects
$pollAnswerAttachmentsList = array();
while ($pollAnswerAttachment = $pollAnswerAttachments->FetchRow()) {
$pollAnswerAttachment = new Attachment($pollAnswerAttachment['fk_attachment_id']);
if ($pollAnswerAttachment->exists()) {
$pollAnswerAttachmentsList[] = $pollAnswerAttachment;
}
}
return $pollAnswerAttachmentsList;
}