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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
*
* @category Piwik_Plugins
* @package Piwik_Referers
*/
use Piwik\Core\Piwik;
use Piwik\Core\Piwik_Common;
/**
* The Referrers API lets you access reports about Websites, Search engines, Keywords, Campaigns used to access your website.
*
* For example, "getKeywords" returns all search engine keywords (with <a href='http://piwik.org/docs/analytics-api/reference/#toc-metric-definitions' target='_blank'>general analytics metrics</a> for each keyword), "getWebsites" returns referrer websites (along with the full Referrer URL if the parameter &expanded=1 is set).
* "getRefererType" returns the Referrer overview report. "getCampaigns" returns the list of all campaigns (and all campaign keywords if the parameter &expanded=1 is set).
*
* The methods "getKeywordsForPageUrl" and "getKeywordsForPageTitle" are used to output the top keywords used to find a page.
* Check out the widget <a href='http://demo.piwik.org/index.php?module=Widgetize&action=iframe&moduleToWidgetize=Referers&actionToWidgetize=getKeywordsForPage&idSite=7&period=day&date=2011-02-15&disableLink=1' target='_blank'>"Top keywords used to find this page"</a> that you can easily re-use on your website.
* @package Piwik_Referers
*/
class Piwik_Referers_API
{
static private $instance = null;
static public function getInstance()
{
if (self::$instance == null) {
self::$instance = new self;
}
return self::$instance;
}
/**
* @param string $name
* @param int $idSite
* @param string $period
* @param Piwik_Date $date
* @param string $segment
* @param bool $expanded
* @param int|null $idSubtable
* @return Piwik_DataTable
*/
protected function getDataTable($name, $idSite, $period, $date, $segment, $expanded = false, $idSubtable = null)
{
$dataTable = Piwik_Archive::getDataTableFromArchive($name, $idSite, $period, $date, $segment, $expanded, $idSubtable);
$dataTable->filter('Sort', array(Piwik_Metrics::INDEX_NB_VISITS, 'desc', $naturalSort = false, $expanded));
$dataTable->queueFilter('ReplaceColumnNames');
return $dataTable;
}
/**
* Returns a report describing visit information for each possible referrer type. The
* result is a datatable whose subtables are the reports for each parent row's referrer type.
*
* The subtable reports are: 'getKeywords' (for search engine referrer type), 'getWebsites',
* and 'getCampaigns'.
*
* @param string $idSite The site ID.
* @param string $period The period to get data for, either 'day', 'week', 'month', 'year',
* or 'range'.
* @param string $date The date of the period.
* @param bool|string $segment The segment to use.
* @param bool|int $typeReferer (deprecated) If you want to get data only for a specific referrer
* type, supply a type for this parameter.
* @param bool|int $idSubtable For this report this value is a referrer type ID and not an actual
* subtable ID. The result when using this parameter will be the
* specific report for the given referrer type.
* @param bool $expanded Whether to get report w/ subtables loaded or not.
* @return Piwik_DataTable
*/
public function getRefererType($idSite, $period, $date, $segment = false, $typeReferer = false,
$idSubtable = false, $expanded = false)
{
// if idSubtable is supplied, interpret idSubtable as referrer type and return correct report
if ($idSubtable !== false) {
$result = false;
switch ($idSubtable) {
case Piwik_Common::REFERER_TYPE_SEARCH_ENGINE:
$result = $this->getKeywords($idSite, $period, $date, $segment);
break;
case Piwik_Common::REFERER_TYPE_WEBSITE:
$result = $this->getWebsites($idSite, $period, $date, $segment);
break;
case Piwik_Common::REFERER_TYPE_CAMPAIGN:
$result = $this->getCampaigns($idSite, $period, $date, $segment);
break;
default: // invalid idSubtable, return whole report
break;
}
if ($result) {
return $this->removeSubtableIds($result); // this report won't return subtables of individual reports
}
}
// get visits by referrer type
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::REFERER_TYPE_RECORD_NAME, $idSite, $period, $date, $segment);
if ($typeReferer !== false) // filter for a specific referrer type
{
$dataTable->filter('Pattern', array('label', $typeReferer));
}
// set subtable IDs for each row to the label (which holds the int referrer type)
// NOTE: not yet possible to do this w/ DataTable_Array instances
if (!($dataTable instanceof Piwik_DataTable_Array)) {
$this->setGetReferrerTypeSubtables($dataTable, $idSite, $period, $date, $segment, $expanded);
}
// set referrer type column to readable value
$dataTable->queueFilter('ColumnCallbackReplace', array('label', 'Piwik_getRefererTypeLabel'));
return $dataTable;
}
/**
* Returns a report that shows
*/
public function getAll($idSite, $period, $date, $segment = false)
{
$dataTable = $this->getRefererType($idSite, $period, $date, $segment, $typeReferer = false, $idSubtable = false, $expanded = true);
if ($dataTable instanceof Piwik_DataTable_Array) {
throw new Exception("Referrers.getAll with multiple sites or dates is not supported (yet).");
}
$dataTable = $dataTable->mergeSubtables($labelColumn = 'referrer_type', $useMetadataColumn = true);
$dataTable->filter('Sort', array(Piwik_Metrics::INDEX_NB_VISITS, 'desc'));
$dataTable->queueFilter('ReplaceColumnNames');
$dataTable->queueFilter('ReplaceSummaryRowLabel');
return $dataTable;
}
public function getKeywords($idSite, $period, $date, $segment = false, $expanded = false)
{
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::KEYWORDS_RECORD_NAME, $idSite, $period, $date, $segment, $expanded);
$dataTable = $this->handleKeywordNotDefined($dataTable);
return $dataTable;
}
protected function handleKeywordNotDefined($dataTable)
{
$dataTable->queueFilter('ColumnCallbackReplace', array('label', array('Piwik_Referers_API', 'getCleanKeyword')));
return $dataTable;
}
const LABEL_KEYWORD_NOT_DEFINED = "";
/**
* @ignore
*/
static public function getKeywordNotDefinedString()
{
return Piwik_Translate('General_NotDefined', Piwik_Translate('Referers_ColumnKeyword'));
}
/**
* @ignore
*/
static public function getCleanKeyword($label)
{
return $label == self::LABEL_KEYWORD_NOT_DEFINED
? self::getKeywordNotDefinedString()
: $label;
}
public function getKeywordsForPageUrl($idSite, $period, $date, $url)
{
// Fetch the Top keywords for this page
$segment = 'entryPageUrl==' . $url;
$table = $this->getKeywords($idSite, $period, $date, $segment);
$this->filterOutKeywordNotDefined($table);
return $this->getLabelsFromTable($table);
}
public function getKeywordsForPageTitle($idSite, $period, $date, $title)
{
$segment = 'entryPageTitle==' . $title;
$table = $this->getKeywords($idSite, $period, $date, $segment);
$this->filterOutKeywordNotDefined($table);
return $this->getLabelsFromTable($table);
}
/**
* @param Piwik_Datatable $table
*/
private function filterOutKeywordNotDefined($table)
{
if ($table instanceof Piwik_Datatable) {
$row = $table->getRowIdFromLabel('');
if ($row) {
$table->deleteRow($row);
}
}
}
protected function getLabelsFromTable($table)
{
$request = $_GET;
$request['serialize'] = 0;
// Apply generic filters
$response = new Piwik_API_ResponseBuilder($format = 'original', $request);
$table = $response->getResponse($table);
// If period=lastX we only keep the first resultset as we want to return a plain list
if ($table instanceof Piwik_DataTable_Array) {
$tables = $table->getArray();
$table = current($tables);
}
// Keep the response simple, only include keywords
$keywords = $table->getColumn('label');
return $keywords;
}
public function getSearchEnginesFromKeywordId($idSite, $period, $date, $idSubtable, $segment = false)
{
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::KEYWORDS_RECORD_NAME, $idSite, $period, $date, $segment, $expanded = false, $idSubtable);
$dataTable->queueFilter('ColumnCallbackAddMetadata', array('label', 'url', 'Piwik_getSearchEngineUrlFromName'));
$dataTable->queueFilter('MetadataCallbackAddMetadata', array('url', 'logo', 'Piwik_getSearchEngineLogoFromUrl'));
// get the keyword and create the URL to the search result page
$keywords = $this->getKeywords($idSite, $period, $date, $segment);
$subTable = $keywords->getRowFromIdSubDataTable($idSubtable);
if ($subTable) {
$keyword = $subTable->getColumn('label');
$dataTable->queueFilter('MetadataCallbackReplace', array('url', 'Piwik_getSearchEngineUrlFromUrlAndKeyword', array($keyword)));
}
return $dataTable;
}
public function getSearchEngines($idSite, $period, $date, $segment = false, $expanded = false)
{
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::SEARCH_ENGINES_RECORD_NAME, $idSite, $period, $date, $segment, $expanded);
$dataTable->queueFilter('ColumnCallbackAddMetadata', array('label', 'url', 'Piwik_getSearchEngineUrlFromName'));
$dataTable->queueFilter('MetadataCallbackAddMetadata', array('url', 'logo', 'Piwik_getSearchEngineLogoFromUrl'));
return $dataTable;
}
public function getKeywordsFromSearchEngineId($idSite, $period, $date, $idSubtable, $segment = false)
{
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::SEARCH_ENGINES_RECORD_NAME, $idSite, $period, $date, $segment, $expanded = false, $idSubtable);
// get the search engine and create the URL to the search result page
$searchEngines = $this->getSearchEngines($idSite, $period, $date, $segment);
$searchEngines->applyQueuedFilters();
if ($searchEngines instanceof Piwik_DataTable_Array) {
$dataTables = $searchEngines->getArray();
// find first datatable containing data
foreach ($dataTables AS $subTable) {
$subTableRow = $subTable->getRowFromIdSubDataTable($idSubtable);
if (!empty($subTableRow)) {
break;
}
}
} else {
$subTableRow = $searchEngines->getRowFromIdSubDataTable($idSubtable);
}
if (!empty($subTableRow)) {
$searchEngineUrl = $subTableRow->getMetadata('url');
$dataTable->queueFilter('ColumnCallbackAddMetadata', array('label', 'url', 'Piwik_getSearchEngineUrlFromKeywordAndUrl', array($searchEngineUrl)));
}
$dataTable = $this->handleKeywordNotDefined($dataTable);
return $dataTable;
}
public function getCampaigns($idSite, $period, $date, $segment = false, $expanded = false)
{
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::CAMPAIGNS_RECORD_NAME, $idSite, $period, $date, $segment, $expanded);
return $dataTable;
}
public function getKeywordsFromCampaignId($idSite, $period, $date, $idSubtable, $segment = false)
{
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::CAMPAIGNS_RECORD_NAME, $idSite, $period, $date, $segment, $expanded = false, $idSubtable);
return $dataTable;
}
public function getWebsites($idSite, $period, $date, $segment = false, $expanded = false)
{
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::WEBSITES_RECORD_NAME, $idSite, $period, $date, $segment, $expanded);
return $dataTable;
}
public function getUrlsFromWebsiteId($idSite, $period, $date, $idSubtable, $segment = false)
{
$dataTable = $this->getDataTable(Piwik_Referers_Archiver::WEBSITES_RECORD_NAME, $idSite, $period, $date, $segment, $expanded = false, $idSubtable);
// the htmlspecialchars_decode call is for BC for before 1.1
// as the Referer URL was previously encoded in the log tables, but is now recorded raw
$dataTable->queueFilter('ColumnCallbackAddMetadata', array('label', 'url', create_function('$label', 'return htmlspecialchars_decode($label);')));
$dataTable->queueFilter('ColumnCallbackReplace', array('label', 'Piwik_getPathFromUrl'));
return $dataTable;
}
/**
* Returns report comparing the number of visits (and other info) for social network referrers.
* This is a view of the getWebsites report.
*
* @param string $idSite
* @param string $period
* @param string $date
* @param string|bool $segment
* @param bool $expanded
* @return Piwik_DataTable
*/
public function getSocials($idSite, $period, $date, $segment = false, $expanded = false)
{
require PIWIK_INCLUDE_PATH . '/core/DataFiles/Socials.php';
$dataTable = $this->getDataTable( Piwik_Referers_Archiver::WEBSITES_RECORD_NAME, $idSite, $period, $date, $segment, $expanded);
$dataTable->filter('ColumnCallbackDeleteRow', array('label', 'Piwik_Referrers_isSocialUrl'));
$dataTable->filter('ColumnCallbackAddMetadata', array('label', 'url', 'Piwik_Referrers_cleanSocialUrl'));
$dataTable->filter('GroupBy', array('label', 'Piwik_Referrers_getSocialNetworkFromDomain'));
$this->setSocialIdSubtables($dataTable);
$this->removeSubtableMetadata($dataTable);
$dataTable->queueFilter('MetadataCallbackAddMetadata', array('url', 'logo', 'Piwik_getSocialsLogoFromUrl'));
return $dataTable;
}
/**
* Returns report containing individual referrer URLs for a specific social networking
* site.
*
* @param string $idSite
* @param string $period
* @param string $date
* @param bool|string $segment
* @param bool|int $idSubtable This ID does not reference a real DataTable record. Instead, it
* is the array index of an item in the /core/DataFiles/Socials.php file.
* The urls are filtered by the social network at this index.
* If false, no filtering is done and every social URL is returned.
* @return Piwik_DataTable
*/
public function getUrlsForSocial($idSite, $period, $date, $segment = false, $idSubtable = false)
{
require PIWIK_INCLUDE_PATH . '/core/DataFiles/Socials.php';
$dataTable = $this->getDataTable( Piwik_Referers_Archiver::WEBSITES_RECORD_NAME, $idSite, $period, $date, $segment, $expanded = true);
// get the social network domain referred to by $idSubtable
$social = false;
if ($idSubtable !== false) {
--$idSubtable;
reset($GLOBALS['Piwik_socialUrl']);
for ($i = 0; $i != (int)$idSubtable; ++$i) {
next($GLOBALS['Piwik_socialUrl']);
}
$social = current($GLOBALS['Piwik_socialUrl']);
}
// filter out everything but social network indicated by $idSubtable
$dataTable->filter('ColumnCallbackDeleteRow', array('label', 'Piwik_Referrers_isSocialUrl', array($social)));
// merge the datatable's subtables which contain the individual URLs
$dataTable = $dataTable->mergeSubtables();
// make url labels clickable
$dataTable->filter('ColumnCallbackAddMetadata', array('label', 'url'));
// prettify the DataTable
$dataTable->filter('ColumnCallbackReplace', array('label', 'Piwik_Referrers_removeUrlProtocol'));
$dataTable->filter('Sort', array(Piwik_Metrics::INDEX_NB_VISITS, 'desc', $naturalSort = false, $expanded));
$dataTable->queueFilter('ReplaceColumnNames');
return $dataTable;
}
public function getNumberOfDistinctSearchEngines($idSite, $period, $date, $segment = false)
{
return $this->getNumeric(Piwik_Referers_Archiver::METRIC_DISTINCT_SEARCH_ENGINE_RECORD_NAME, $idSite, $period, $date, $segment);
}
public function getNumberOfDistinctKeywords($idSite, $period, $date, $segment = false)
{
return $this->getNumeric(Piwik_Referers_Archiver::METRIC_DISTINCT_KEYWORD_RECORD_NAME, $idSite, $period, $date, $segment);
}
public function getNumberOfDistinctCampaigns($idSite, $period, $date, $segment = false)
{
return $this->getNumeric(Piwik_Referers_Archiver::METRIC_DISTINCT_CAMPAIGN_RECORD_NAME, $idSite, $period, $date, $segment);
}
public function getNumberOfDistinctWebsites($idSite, $period, $date, $segment = false)
{
return $this->getNumeric(Piwik_Referers_Archiver::METRIC_DISTINCT_WEBSITE_RECORD_NAME, $idSite, $period, $date, $segment);
}
public function getNumberOfDistinctWebsitesUrls($idSite, $period, $date, $segment = false)
{
return $this->getNumeric(Piwik_Referers_Archiver::METRIC_DISTINCT_URLS_RECORD_NAME, $idSite, $period, $date, $segment);
}
private function getNumeric($name, $idSite, $period, $date, $segment)
{
Piwik::checkUserHasViewAccess($idSite);
$archive = Piwik_Archive::build($idSite, $period, $date, $segment);
return $archive->getDataTableFromNumeric($name);
}
/**
* Removes idsubdatatable_in_db metadata from a DataTable. Used by Social tables since
* they use fake subtable IDs.
*
* @param Piwik_DataTable $dataTable
*/
private function removeSubtableMetadata($dataTable)
{
if ($dataTable instanceof Piwik_DataTable_Array) {
foreach ($dataTable->getArray() as $childTable) {
$this->removeSubtableMetadata($childTable);
}
} else {
foreach ($dataTable->getRows() as $row) {
$row->deleteMetadata('idsubdatatable_in_db');
}
}
}
/**
* Sets the subtable IDs for the DataTable returned by getSocial.
*
* The IDs are int indexes into the array in /core/DataFiles/Socials.php.
*
* @param Piwik_DataTable $dataTable
*/
private function setSocialIdSubtables($dataTable)
{
if ($dataTable instanceof Piwik_DataTable_Array) {
foreach ($dataTable->getArray() as $childTable) {
$this->setSocialIdSubtables($childTable);
}
} else {
foreach ($dataTable->getRows() as $row) {
$socialName = $row->getColumn('label');
$i = 1; // start at one because idSubtable=0 is equivalent to idSubtable=false
foreach ($GLOBALS['Piwik_socialUrl'] as $domain => $name) {
if ($name == $socialName) {
$row->c[Piwik_DataTable_Row::DATATABLE_ASSOCIATED] = $i;
break;
}
++$i;
}
}
}
}
/**
* Utility function that removes the subtable IDs for the subtables of the
* getRefererType report. This avoids infinite recursion in said report (ie,
* the grandchildren of the report will be the original report, and it will
* recurse when trying to get a flat report).
*
* @param Piwik_DataTable $table
* @return Piwik_DataTable Returns $table for convenience.
*/
private function removeSubtableIds($table)
{
if ($table instanceof Piwik_DataTable_Array) {
foreach ($table->getArray() as $childTable) {
$this->removeSubtableIds($childTable);
}
} else {
foreach ($table->getRows() as $row) {
$row->removeSubtable();
}
}
return $table;
}
/**
* Utility function that sets the subtables for the getRefererType report.
*
* If we're not getting an expanded datatable, the subtable ID is set to each parent
* row's referrer type (stored in the label for the getRefererType report).
*
* If we are getting an expanded datatable, the datatable for the row's referrer
* type is loaded and attached to the appropriate row in the getRefererType report.
*
* @param Piwik_DataTable $dataTable
* @param string $idSite
* @param string $period
* @param string $date
* @param string $segment
* @param bool $expanded
*/
private function setGetReferrerTypeSubtables($dataTable, $idSite, $period, $date, $segment, $expanded)
{
foreach ($dataTable->getRows() as $row) {
$typeReferrer = $row->getColumn('label');
if ($typeReferrer != Piwik_Common::REFERER_TYPE_DIRECT_ENTRY) {
if (!$expanded) // if we don't want the expanded datatable, then don't do any extra queries
{
$row->c[Piwik_DataTable_Row::DATATABLE_ASSOCIATED] = $typeReferrer;
} else // otherwise, we have to get the othe datatables
{
$subtable = $this->getRefererType($idSite, $period, $date, $segment, $type = false,
$idSubtable = $typeReferrer);
if ($expanded) {
$subtable->applyQueuedFilters();
}
$row->setSubtable($subtable);
}
}
}
}
}
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