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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;
use Exception;
use Piwik\Tracker\GoalManager;
/**
* The DataArray is a data structure used to aggregate datasets,
* ie. sum arrays made of rows made of columns,
* data from the logs is stored in a DataArray before being converted in a DataTable
*
*/
class DataArray
{
protected $data = array();
protected $dataTwoLevels = array();
public function __construct($data = array(), $dataArrayByLabel = array())
{
$this->data = $data;
$this->dataTwoLevels = $dataArrayByLabel;
}
/**
* This returns the actual raw data array
*
* @return array
*/
public function &getDataArray()
{
return $this->data;
}
public function getDataArrayWithTwoLevels()
{
return $this->dataTwoLevels;
}
public function sumMetricsVisits($label, $row)
{
if (!isset($this->data[$label])) {
$this->data[$label] = self::makeEmptyRow();
}
$this->doSumVisitsMetrics($row, $this->data[$label]);
}
/**
* Returns an empty row containing default metrics
*
* @return array
*/
static public function makeEmptyRow()
{
return array(Metrics::INDEX_NB_UNIQ_VISITORS => 0,
Metrics::INDEX_NB_VISITS => 0,
Metrics::INDEX_NB_ACTIONS => 0,
Metrics::INDEX_MAX_ACTIONS => 0,
Metrics::INDEX_SUM_VISIT_LENGTH => 0,
Metrics::INDEX_BOUNCE_COUNT => 0,
Metrics::INDEX_NB_VISITS_CONVERTED => 0,
);
}
/**
* Adds the given row $newRowToAdd to the existing $oldRowToUpdate passed by reference
* The rows are php arrays Name => value
*
* @param array $newRowToAdd
* @param array $oldRowToUpdate
* @param bool $onlyMetricsAvailableInActionsTable
*
* @return void
*/
protected function doSumVisitsMetrics($newRowToAdd, &$oldRowToUpdate, $onlyMetricsAvailableInActionsTable = false)
{
// Pre 1.2 format: string indexed rows are returned from the DB
// Left here for Backward compatibility with plugins doing custom SQL queries using these metrics as string
if (!isset($newRowToAdd[Metrics::INDEX_NB_VISITS])) {
$oldRowToUpdate[Metrics::INDEX_NB_VISITS] += $newRowToAdd['nb_visits'];
$oldRowToUpdate[Metrics::INDEX_NB_ACTIONS] += $newRowToAdd['nb_actions'];
$oldRowToUpdate[Metrics::INDEX_NB_UNIQ_VISITORS] += $newRowToAdd['nb_uniq_visitors'];
if ($onlyMetricsAvailableInActionsTable) {
return;
}
$oldRowToUpdate[Metrics::INDEX_MAX_ACTIONS] = (float)max($newRowToAdd['max_actions'], $oldRowToUpdate[Metrics::INDEX_MAX_ACTIONS]);
$oldRowToUpdate[Metrics::INDEX_SUM_VISIT_LENGTH] += $newRowToAdd['sum_visit_length'];
$oldRowToUpdate[Metrics::INDEX_BOUNCE_COUNT] += $newRowToAdd['bounce_count'];
$oldRowToUpdate[Metrics::INDEX_NB_VISITS_CONVERTED] += $newRowToAdd['nb_visits_converted'];
return;
}
$oldRowToUpdate[Metrics::INDEX_NB_VISITS] += $newRowToAdd[Metrics::INDEX_NB_VISITS];
$oldRowToUpdate[Metrics::INDEX_NB_ACTIONS] += $newRowToAdd[Metrics::INDEX_NB_ACTIONS];
$oldRowToUpdate[Metrics::INDEX_NB_UNIQ_VISITORS] += $newRowToAdd[Metrics::INDEX_NB_UNIQ_VISITORS];
if ($onlyMetricsAvailableInActionsTable) {
return;
}
$oldRowToUpdate[Metrics::INDEX_MAX_ACTIONS] = (float)max($newRowToAdd[Metrics::INDEX_MAX_ACTIONS], $oldRowToUpdate[Metrics::INDEX_MAX_ACTIONS]);
$oldRowToUpdate[Metrics::INDEX_SUM_VISIT_LENGTH] += $newRowToAdd[Metrics::INDEX_SUM_VISIT_LENGTH];
$oldRowToUpdate[Metrics::INDEX_BOUNCE_COUNT] += $newRowToAdd[Metrics::INDEX_BOUNCE_COUNT];
$oldRowToUpdate[Metrics::INDEX_NB_VISITS_CONVERTED] += $newRowToAdd[Metrics::INDEX_NB_VISITS_CONVERTED];
}
public function sumMetricsGoals($label, $row)
{
$idGoal = $row['idgoal'];
if (!isset($this->data[$label][Metrics::INDEX_GOALS][$idGoal])) {
$this->data[$label][Metrics::INDEX_GOALS][$idGoal] = self::makeEmptyGoalRow($idGoal);
}
$this->doSumGoalsMetrics($row, $this->data[$label][Metrics::INDEX_GOALS][$idGoal]);
}
/**
* @param $idGoal
* @return array
*/
protected static function makeEmptyGoalRow($idGoal)
{
if ($idGoal > GoalManager::IDGOAL_ORDER) {
return array(Metrics::INDEX_GOAL_NB_CONVERSIONS => 0,
Metrics::INDEX_GOAL_NB_VISITS_CONVERTED => 0,
Metrics::INDEX_GOAL_REVENUE => 0,
);
}
if ($idGoal == GoalManager::IDGOAL_ORDER) {
return array(Metrics::INDEX_GOAL_NB_CONVERSIONS => 0,
Metrics::INDEX_GOAL_NB_VISITS_CONVERTED => 0,
Metrics::INDEX_GOAL_REVENUE => 0,
Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_SUBTOTAL => 0,
Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_TAX => 0,
Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_SHIPPING => 0,
Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_DISCOUNT => 0,
Metrics::INDEX_GOAL_ECOMMERCE_ITEMS => 0,
);
}
// idGoal == GoalManager::IDGOAL_CART
return array(Metrics::INDEX_GOAL_NB_CONVERSIONS => 0,
Metrics::INDEX_GOAL_NB_VISITS_CONVERTED => 0,
Metrics::INDEX_GOAL_REVENUE => 0,
Metrics::INDEX_GOAL_ECOMMERCE_ITEMS => 0,
);
}
/**
*
* @param $newRowToAdd
* @param $oldRowToUpdate
*/
protected function doSumGoalsMetrics($newRowToAdd, &$oldRowToUpdate)
{
$oldRowToUpdate[Metrics::INDEX_GOAL_NB_CONVERSIONS] += $newRowToAdd[Metrics::INDEX_GOAL_NB_CONVERSIONS];
$oldRowToUpdate[Metrics::INDEX_GOAL_NB_VISITS_CONVERTED] += $newRowToAdd[Metrics::INDEX_GOAL_NB_VISITS_CONVERTED];
$oldRowToUpdate[Metrics::INDEX_GOAL_REVENUE] += $newRowToAdd[Metrics::INDEX_GOAL_REVENUE];
// Cart & Order
if (isset($oldRowToUpdate[Metrics::INDEX_GOAL_ECOMMERCE_ITEMS])) {
$oldRowToUpdate[Metrics::INDEX_GOAL_ECOMMERCE_ITEMS] += $newRowToAdd[Metrics::INDEX_GOAL_ECOMMERCE_ITEMS];
// Order only
if (isset($oldRowToUpdate[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_SUBTOTAL])) {
$oldRowToUpdate[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_SUBTOTAL] += $newRowToAdd[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_SUBTOTAL];
$oldRowToUpdate[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_TAX] += $newRowToAdd[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_TAX];
$oldRowToUpdate[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_SHIPPING] += $newRowToAdd[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_SHIPPING];
$oldRowToUpdate[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_DISCOUNT] += $newRowToAdd[Metrics::INDEX_GOAL_ECOMMERCE_REVENUE_DISCOUNT];
}
}
}
public function sumMetricsActions($label, $row)
{
if (!isset($this->data[$label])) {
$this->data[$label] = self::makeEmptyActionRow();
}
$this->doSumVisitsMetrics($row, $this->data[$label], $onlyMetricsAvailableInActionsTable = true);
}
static protected function makeEmptyActionRow()
{
return array(
Metrics::INDEX_NB_UNIQ_VISITORS => 0,
Metrics::INDEX_NB_VISITS => 0,
Metrics::INDEX_NB_ACTIONS => 0,
);
}
/**
* Generic function that will sum all columns of the given row, at the specified label's row.
*
* @param $label
* @param $row
* @throws Exception if the the data row contains non numeric values
*/
public function sumMetrics($label, $row)
{
foreach ($row as $columnName => $columnValue) {
if (empty($columnValue)) {
continue;
}
if (empty($this->data[$label][$columnName])) {
$this->data[$label][$columnName] = 0;
}
if (!is_numeric($columnValue)) {
throw new Exception("DataArray->sumMetricsPivot expects rows of numeric values, non numeric found: " . var_export($columnValue, true) . " for column $columnName");
}
$this->data[$label][$columnName] += $columnValue;
}
}
public function sumMetricsVisitsPivot($parentLabel, $label, $row)
{
if (!isset($this->dataTwoLevels[$parentLabel][$label])) {
$this->dataTwoLevels[$parentLabel][$label] = self::makeEmptyRow();
}
$this->doSumVisitsMetrics($row, $this->dataTwoLevels[$parentLabel][$label]);
}
public function sumMetricsGoalsPivot($parentLabel, $label, $row)
{
$idGoal = $row['idgoal'];
if (!isset($this->dataTwoLevels[$parentLabel][$label][Metrics::INDEX_GOALS][$idGoal])) {
$this->dataTwoLevels[$parentLabel][$label][Metrics::INDEX_GOALS][$idGoal] = self::makeEmptyGoalRow($idGoal);
}
$this->doSumGoalsMetrics($row, $this->dataTwoLevels[$parentLabel][$label][Metrics::INDEX_GOALS][$idGoal]);
}
public function sumMetricsActionsPivot($parentLabel, $label, $row)
{
if (!isset($this->dataTwoLevels[$parentLabel][$label])) {
$this->dataTwoLevels[$parentLabel][$label] = $this->makeEmptyActionRow();
}
$this->doSumVisitsMetrics($row, $this->dataTwoLevels[$parentLabel][$label], $onlyMetricsAvailableInActionsTable = true);
}
public function setRowColumnPivot($parentLabel, $label, $column, $value)
{
$this->dataTwoLevels[$parentLabel][$label][$column] = $value;
}
public function enrichMetricsWithConversions()
{
$this->enrichWithConversions($this->data);
foreach ($this->dataTwoLevels as &$metricsBySubLabel) {
$this->enrichWithConversions($metricsBySubLabel);
}
}
/**
* Given an array of stats, it will process the sum of goal conversions
* and sum of revenue and add it in the stats array in two new fields.
*
* @param array $data Passed by reference, two new columns
* will be added: total conversions, and total revenue, for all goals for this label/row
*/
protected function enrichWithConversions(&$data)
{
foreach ($data as $label => &$values) {
if (!isset($values[Metrics::INDEX_GOALS])) {
continue;
}
// When per goal metrics are processed, general 'visits converted' is not meaningful because
// it could differ from the sum of each goal conversions
unset($values[Metrics::INDEX_NB_VISITS_CONVERTED]);
$revenue = $conversions = 0;
foreach ($values[Metrics::INDEX_GOALS] as $idgoal => $goalValues) {
// Do not sum Cart revenue since it is a lost revenue
if ($idgoal >= GoalManager::IDGOAL_ORDER) {
$revenue += $goalValues[Metrics::INDEX_GOAL_REVENUE];
$conversions += $goalValues[Metrics::INDEX_GOAL_NB_CONVERSIONS];
}
}
$values[Metrics::INDEX_NB_CONVERSIONS] = $conversions;
// 25.00 recorded as 25
if (round($revenue) == $revenue) {
$revenue = round($revenue);
}
$values[Metrics::INDEX_REVENUE] = $revenue;
// if there are no "visit" column, we force one to prevent future complications
// eg. This helps the setDefaultColumnsToDisplay() call
if(!isset($values[Metrics::INDEX_NB_VISITS])) {
$values[Metrics::INDEX_NB_VISITS] = 0;
}
}
}
/**
* Returns true if the row looks like an Action metrics row
*
* @param $row
* @return bool
*/
static public function isRowActions($row)
{
return (count($row) == count(self::makeEmptyActionRow())) && isset($row[Metrics::INDEX_NB_ACTIONS]);
}
/**
* Converts array to a datatable
*
* @return \Piwik\DataTable
*/
public function asDataTable()
{
$dataArray = $this->getDataArray();
$dataArrayTwoLevels = $this->getDataArrayWithTwoLevels();
$subtableByLabel = null;
if (!empty($dataArrayTwoLevels)) {
$subtableByLabel = array();
foreach ($dataArrayTwoLevels as $label => $subTable) {
$subtableByLabel[$label] = DataTable::makeFromIndexedArray($subTable);
}
}
return DataTable::makeFromIndexedArray($dataArray, $subtableByLabel);
}
}
|