/**
* Gets an blog 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_start
* The record number to start the list
* @param integer $p_limit
* The offset. How many records from $p_start will be retrieved.
*
* @return array $issuesList
* An array of Issue objects
*/
public static function GetList($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;
}
$selectClauseObj = new SQLSelectClause();
// sets the where conditions
foreach ($p_parameters as $param) {
$comparisonOperation = self::ProcessListParameters($param);
$leftOperand = strtolower($comparisonOperation['left']);
if ($leftOperand == 'matchalltopics') {
// set the matchAllTopics flag
$matchAllTopics = true;
} elseif ($leftOperand == 'topic') {
// add the topic to the list of match/do not match topics depending
// on the operator
if ($comparisonOperation['symbol'] == '=') {
$hasTopics[] = $comparisonOperation['right'];
} else {
$hasNotTopics[] = $comparisonOperation['right'];
}
} else {
$comparisonOperation = self::ProcessListParameters($param);
if (empty($comparisonOperation)) {
continue;
}
$whereCondition = $comparisonOperation['left'] . ' '
. $comparisonOperation['symbol'] . " '"
. $g_ado_db->escape($comparisonOperation['right']) . "' ";
$selectClauseObj->addWhere($whereCondition);
}
}
if (count($hasTopics) > 0) {
if ($matchAllTopics) {
foreach ($hasTopics as $topicId) {
$sqlQuery = self::BuildTopicSelectClause(array($topicId));
$whereCondition = "plugin_blog_entry.entry_id IN (\n$sqlQuery )";
$selectClauseObj->addWhere($whereCondition);
}
} else {
$sqlQuery = self::BuildTopicSelectClause($hasTopics);
$whereCondition = "plugin_blog_entry.entry_id IN (\n$sqlQuery )";
$selectClauseObj->addWhere($whereCondition);
}
}
if (count($hasNotTopics) > 0) {
$sqlQuery = self::BuildTopicSelectClause($hasNotTopics, true);
$whereCondition = "plugin_blog_entry.entry_id IN (\n$sqlQuery )";
$selectClauseObj->addWhere($whereCondition);
}
// sets the columns to be fetched
$tmpBlogEntry = new BlogEntry();
$columnNames = $tmpBlogEntry->getColumnNames(true);
foreach ($columnNames as $columnName) {
$selectClauseObj->addColumn($columnName);
}
// sets the main table for the query
$mainTblName = $tmpBlogEntry->getDbTableName();
$selectClauseObj->setTable($mainTblName);
unset($tmpBlogEntry);
if (is_array($p_order)) {
$order = self::ProcessListOrder($p_order);
// sets the order condition if any
foreach ($order as $orderField=>$orderDirection) {
$selectClauseObj->addOrderBy($orderField . ' ' . $orderDirection);
}
}
$sqlQuery = $selectClauseObj->buildQuery();
// count all available results
$countRes = $g_ado_db->Execute($sqlQuery);
$p_count = $countRes->recordCount();
//get tlimited rows
$blogEntryRes = $g_ado_db->SelectLimit($sqlQuery, $p_limit, $p_start);
// builds the array of blog objects
$blogEntriesList = array();
while ($blogEntry = $blogEntryRes->FetchRow()) {
$blogEntryObj = new BlogEntry($blogEntry['entry_id']);
if ($blogEntryObj->exists()) {
$blogEntriesList[] = $blogEntryObj;
}
}
return $blogEntriesList;
} // fn GetList