public static function GetDatasource($datasource,$offset=null,$limit=null,&$count=null)
{
// format for datasource is:
// controller://path/path?arg1=val&q=asdads asd ad ad&arg=[123,232,123]
// channel://channel/datasource?arg1=val&q=asdads asd ad ad&arg=[123,232,123]
// model://profiles/profile_view?arg1!=val&q=asdads asd ad ad&arg=[123,232,123]
$matches=array();
if (preg_match_all('#^([^:]*):\/\/([^?]*)(.*)$#',$datasource,$matches))
{
switch($matches[1][0])
{
case 'controller':
return Dispatcher::Call($matches[2][0]);
case 'model':
$parsed=explode('.',$matches[2][0]);
if (count($parsed)==2)
{
$filter=filter($matches[2][0]);
if ($offset)
$filter->offset=$offset;
if ($limit)
$filter->limit=$limit;
if ($matches[3][0]!='')
$filter->parse(trim($matches[3][0],'?'));
if ($count==null)
$count=$filter->get_count();
return $filter->find();
}
return null;
case 'channel':
$parsed=explode('/',$matches[2][0]);
$channel=Channel::Get($parsed[0]);
$query=trim($matches[3][0],'?');
$args=array();
if ($query!="")
{
$items=explode('&',$query);
foreach($items as $item)
{
$element=explode('=',$item);
$args[trim($element[0])]=trim($element[1]);
}
}
return $channel->datasource($parsed[1],$offset,$limit,$count,$args);
}
}
}
/**
* Fetches the data
*
* @return mixed The data from the datasource
*/
protected function get_data($order_by = null, $dir = 'asc')
{
if ($this->sortable != null) {
$conf = Config::Get('search/sorts');
$this->sorting = $conf->{$this->sortable};
$this->sort_options = $this->sorting->options->items;
if (!$this->sort_options) {
throw new Exception("No sort options found");
}
$this->sortby = $this->controller->get->exists("sortby") ? $this->controller->get->get_string("sortby") : ($this->sortby = $conf->{$this->sortable}->default_option);
$order_by = $this->sort_options[$this->sortby]->orby_by;
$dir = $this->sort_options[$this->sortby]->direction;
}
if ($this->filtrable != null) {
$conf = Config::Get('search/filters');
$this->filtering = $conf->{$this->filtrable};
$this->filters = $this->filtering->options->items;
if (!$this->filters) {
throw new Exception("No filters found");
}
$this->filter = $this->controller->get->exists("filter") ? $this->controller->get->get_string("filter") : ($this->filter = $this->filtering->default_option);
$filter = $this->filters[$this->filter]->filter;
if ($filter) {
if (!strpos($this->datasource, '?')) {
$this->datasource .= '?';
} else {
$this->datasource .= '&';
}
$this->datasource .= $this->filters[$this->filter]->filter;
}
}
$rows = null;
if ($this->channel != null) {
user_error('Using the channel attribute on a repeater is deprecated', E_USER_WARNING);
$channel = Channel::Get($this->channel);
$rows = $channel->datasource($this->datasource, $this->current_page * $this->page_size, $this->page_size, $this->total_count);
} else {
if (gettype($this->datasource) == 'string') {
if (strpos($this->datasource, '://') > 1) {
$ds = $this->datasource;
if ($order_by) {
if (!strpos($ds, '?')) {
$ds .= '?';
} else {
$ds .= '&';
}
$ds .= 'order by ' . $order_by . ' ' . $dir;
}
$rows = Channel::GetDatasource($ds, $this->current_page * $this->page_size, $this->page_size, $this->total_count);
} else {
user_error('Using datasources on controllers is deprecated', E_USER_WARNING);
$rows = $this->controller->datasource($this->datasource, $this->current_page * $this->page_size, $this->page_size, $this->total_count);
}
} else {
$rows = $this->datasource;
if (is_array($rows)) {
if (isset($rows['total_count'])) {
$this->total_count = $rows['total_count'];
}
$this->count = isset($rows['count']) ? $rows['count'] : count($rows);
}
}
}
return $rows;
}
