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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\ViewDataTable;
use Piwik\API\Request as ApiRequest;
use Piwik\Common;
use Piwik\DataTable;
use Piwik\Period;
class Request
{
/**
* @var null|\Piwik\ViewDataTable\RequestConfig
*/
public $requestConfig;
public function __construct($requestConfig)
{
$this->requestConfig = $requestConfig;
}
/**
* Function called by the ViewDataTable objects in order to fetch data from the API.
* The function init() must have been called before, so that the object knows which API module and action to call.
* It builds the API request string and uses Request to call the API.
* The requested DataTable object is stored in $this->dataTable.
*/
public function loadDataTableFromAPI($fixedRequestParams = array())
{
// we build the request (URL) to call the API
$requestArray = $this->getRequestArray();
foreach ($fixedRequestParams as $key => $value) {
$requestArray[$key] = $value;
}
// we make the request to the API
$request = new ApiRequest($requestArray);
// and get the DataTable structure
$dataTable = $request->process();
return $dataTable;
}
/**
* @return array URL to call the API, eg. "method=Referrers.getKeywords&period=day&date=yesterday"...
*/
public function getRequestArray()
{
// we prepare the array to give to the API Request
// we setup the method and format variable
// - we request the method to call to get this specific DataTable
// - the format = original specifies that we want to get the original DataTable structure itself, not rendered
$requestArray = array(
'method' => $this->requestConfig->apiMethodToRequestDataTable,
'format' => 'original'
);
$toSetEventually = array(
'filter_limit',
'keep_summary_row',
'filter_sort_column',
'filter_sort_order',
'filter_excludelowpop',
'filter_excludelowpop_value',
'filter_column',
'filter_pattern',
'flat',
'expanded'
);
foreach ($toSetEventually as $varToSet) {
$value = $this->getDefaultOrCurrent($varToSet);
if (false !== $value) {
$requestArray[$varToSet] = $value;
}
}
$segment = ApiRequest::getRawSegmentFromRequest();
if (!empty($segment)) {
$requestArray['segment'] = $segment;
}
if (ApiRequest::shouldLoadExpanded()) {
$requestArray['expanded'] = 1;
}
$requestArray = array_merge($requestArray, $this->requestConfig->request_parameters_to_modify);
if (!empty($requestArray['filter_limit'])
&& $requestArray['filter_limit'] === 0
) {
unset($requestArray['filter_limit']);
}
return $requestArray;
}
/**
* Returns, for a given parameter, the value of this parameter in the REQUEST array.
* If not set, returns the default value for this parameter @see getDefault()
*
* @param string $nameVar
* @return string|mixed Value of this parameter
*/
protected function getDefaultOrCurrent($nameVar)
{
if (isset($_GET[$nameVar])) {
return Common::sanitizeInputValue($_GET[$nameVar]);
}
$default = $this->getDefault($nameVar);
return $default;
}
/**
* Returns the default value for a given parameter.
* For example, these default values can be set using the disable* methods.
*
* @param string $nameVar
* @return mixed
*/
protected function getDefault($nameVar)
{
if (isset($this->requestConfig->$nameVar)) {
return $this->requestConfig->$nameVar;
}
return false;
}
}
|
