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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\DataTable\Filter;
use Exception;
use Piwik\DataTable;
use Piwik\Metrics;
use Piwik\Piwik;
use Piwik\Tracker\GoalManager;
/**
* Adds goal related metrics to a {@link DataTable} using metrics that already exist.
*
* Metrics added are:
* - **revenue_per_visit**: total goal and ecommerce revenue / nb_visits
* - **goal_%idGoal%_conversion_rate**: the conversion rate. There will be one of
* these columns for each goal that exists
* for the site.
* - **goal_%idGoal%_nb_conversions**: the number of conversions. There will be one of
* these columns for each goal that exists
* for the site.
* - **goal_%idGoal%_revenue_per_visit**: goal revenue / nb_visits. There will be one of
* these columns for each goal that exists
* for the site.
* - **goal_%idGoal%_revenue**: goal revenue. There will be one of
* these columns for each goal that exists
* for the site.
* - **goal_%idGoal%_avg_order_revenue**: goal revenue / number of orders or abandoned
* carts. Only for ecommerce order and abandoned cart
* reports.
* - **goal_%idGoal%_items**: number of items. Only for ecommerce order and abandoned cart
* reports.
*
* Adding the **filter_update_columns_when_show_all_goals** query parameter to
* an API request will trigger the execution of this Filter.
*
* _Note: This filter must be called before {@link ReplaceColumnNames} is called._
*
* **Basic usage example**
*
* $dataTable->filter('AddColumnsProcessedMetricsGoal',
* array($enable = true, $idGoal = Piwik::LABEL_ID_GOAL_IS_ECOMMERCE_ORDER));
*
* @api
*/
class AddColumnsProcessedMetricsGoal extends AddColumnsProcessedMetrics
{
/**
* Process main goal metrics: conversion rate, revenue per visit
*/
const GOALS_MINIMAL_REPORT = -2;
/**
* Process main goal metrics, and conversion rate per goal
*/
const GOALS_OVERVIEW = -1;
/**
* Process all goal and per-goal metrics
*/
const GOALS_FULL_TABLE = 0;
/**
* Constructor.
*
* @param DataTable $table The table that will eventually filtered.
* @param bool $enable Always set to true.
* @param string $processOnlyIdGoal Defines what metrics to add (don't process metrics when you don't display them).
* If self::GOALS_FULL_TABLE, all Goal metrics (and per goal metrics) will be processed.
* If self::GOALS_OVERVIEW, only the main goal metrics will be added.
* If an int > 0, then will process only metrics for this specific Goal.
*/
public function __construct($table, $enable = true, $processOnlyIdGoal)
{
$this->processOnlyIdGoal = $processOnlyIdGoal;
$this->isEcommerce = $this->processOnlyIdGoal == Piwik::LABEL_ID_GOAL_IS_ECOMMERCE_ORDER || $this->processOnlyIdGoal == Piwik::LABEL_ID_GOAL_IS_ECOMMERCE_CART;
parent::__construct($table);
// Ensure that all rows with no visit but conversions will be displayed
$this->deleteRowsWithNoVisit = false;
}
/**
* Adds the processed metrics. See {@link AddColumnsProcessedMetrics} for
* more information.
*
* @param DataTable $table
*/
public function filter($table)
{
// Add standard processed metrics
parent::filter($table);
$roundingPrecision = GoalManager::REVENUE_PRECISION;
$expectedColumns = array();
foreach ($table->getRows() as $key => $row) {
$currentColumns = $row->getColumns();
$newColumns = array();
// visits could be undefined when there is a conversion but no visit
$nbVisits = (int)$this->getColumn($row, Metrics::INDEX_NB_VISITS);
$conversions = (int)$this->getColumn($row, Metrics::INDEX_NB_CONVERSIONS);
$goals = $this->getColumn($currentColumns, Metrics::INDEX_GOALS);
if ($goals) {
$revenue = 0;
foreach ($goals as $goalId => $goalMetrics) {
if ($goalId == Piwik::LABEL_ID_GOAL_IS_ECOMMERCE_CART) {
continue;
}
if ($goalId >= GoalManager::IDGOAL_ORDER
|| $goalId == Piwik::LABEL_ID_GOAL_IS_ECOMMERCE_ORDER
) {
$revenue += (int)$this->getColumn($goalMetrics, Metrics::INDEX_GOAL_REVENUE, Metrics::$mappingFromIdToNameGoal);
}
}
if ($revenue == 0) {
$revenue = (int)$this->getColumn($currentColumns, Metrics::INDEX_REVENUE);
}
if (!isset($currentColumns['revenue_per_visit'])) {
// If no visit for this metric, but some conversions, we still want to display some kind of "revenue per visit"
// even though it will actually be in this edge case "Revenue per conversion"
$revenuePerVisit = $this->invalidDivision;
if ($nbVisits > 0
|| $conversions > 0
) {
$revenuePerVisit = round($revenue / ($nbVisits == 0 ? $conversions : $nbVisits), $roundingPrecision);
}
$newColumns['revenue_per_visit'] = $revenuePerVisit;
}
if ($this->processOnlyIdGoal == self::GOALS_MINIMAL_REPORT) {
$row->addColumns($newColumns);
continue;
}
// Display per goal metrics
// - conversion rate
// - conversions
// - revenue per visit
foreach ($goals as $goalId => $goalMetrics) {
$goalId = str_replace("idgoal=", "", $goalId);
if (($this->processOnlyIdGoal > self::GOALS_FULL_TABLE
|| $this->isEcommerce)
&& $this->processOnlyIdGoal != $goalId
) {
continue;
}
$conversions = (int)$this->getColumn($goalMetrics, Metrics::INDEX_GOAL_NB_CONVERSIONS, Metrics::$mappingFromIdToNameGoal);
// Goal Conversion rate
$name = 'goal_' . $goalId . '_conversion_rate';
if ($nbVisits == 0) {
$value = $this->invalidDivision;
} else {
$value = round(100 * $conversions / $nbVisits, $roundingPrecision);
}
$newColumns[$name] = $value . "%";
$expectedColumns[$name] = true;
// When the table is displayed by clicking on the flag icon, we only display the columns
// Visits, Conversions, Per goal conversion rate, Revenue
if ($this->processOnlyIdGoal == self::GOALS_OVERVIEW) {
continue;
}
// Goal Conversions
$name = 'goal_' . $goalId . '_nb_conversions';
$newColumns[$name] = $conversions;
$expectedColumns[$name] = true;
// Goal Revenue per visit
$name = 'goal_' . $goalId . '_revenue_per_visit';
// See comment above for $revenuePerVisit
$goalRevenue = (float)$this->getColumn($goalMetrics, Metrics::INDEX_GOAL_REVENUE, Metrics::$mappingFromIdToNameGoal);
$revenuePerVisit = round($goalRevenue / ($nbVisits == 0 ? $conversions : $nbVisits), $roundingPrecision);
$newColumns[$name] = $revenuePerVisit;
$expectedColumns[$name] = true;
// Total revenue
$name = 'goal_' . $goalId . '_revenue';
$newColumns[$name] = $goalRevenue;
$expectedColumns[$name] = true;
if ($this->isEcommerce) {
// AOV Average Order Value
$name = 'goal_' . $goalId . '_avg_order_revenue';
$newColumns[$name] = $goalRevenue / $conversions;
$expectedColumns[$name] = true;
// Items qty
$name = 'goal_' . $goalId . '_items';
$newColumns[$name] = $this->getColumn($goalMetrics, Metrics::INDEX_GOAL_ECOMMERCE_ITEMS, Metrics::$mappingFromIdToNameGoal);
$expectedColumns[$name] = true;
}
}
}
// conversion_rate can be defined upstream apparently? FIXME
try {
$row->addColumns($newColumns);
} catch (Exception $e) {
}
}
$expectedColumns['revenue_per_visit'] = true;
// make sure all goals values are set, 0 by default
// if no value then sorting would put at the end
$expectedColumns = array_keys($expectedColumns);
$rows = $table->getRows();
foreach ($rows as &$row) {
foreach ($expectedColumns as $name) {
if (false === $row->getColumn($name)) {
$value = 0;
if (strpos($name, 'conversion_rate') !== false) {
$value = '0%';
}
$row->addColumn($name, $value);
}
}
}
}
}
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