✏️ Editing: MerchantMetrics.php Writable

<?php
declare( strict_types=1 );

namespace Automattic\WooCommerce\GoogleListingsAndAds\API\Google;

use Automattic\WooCommerce\GoogleListingsAndAds\API\Google\Query\AdsCampaignReportQuery;
use Automattic\WooCommerce\GoogleListingsAndAds\API\Google\Query\AdsCampaignQuery;
use Automattic\WooCommerce\GoogleListingsAndAds\API\Google\Query\MerchantFreeListingReportQuery;
use Automattic\WooCommerce\GoogleListingsAndAds\Google\Ads\GoogleAdsClient;
use Automattic\WooCommerce\GoogleListingsAndAds\Options\OptionsAwareInterface;
use Automattic\WooCommerce\GoogleListingsAndAds\Options\OptionsAwareTrait;
use Automattic\WooCommerce\GoogleListingsAndAds\Options\TransientsInterface;
use Automattic\WooCommerce\GoogleListingsAndAds\Proxies\WP;
use Automattic\WooCommerce\GoogleListingsAndAds\Vendor\Google\Service\ShoppingContent;
use Automattic\WooCommerce\GoogleListingsAndAds\Vendor\Google\Service\ShoppingContent\SearchResponse;
use DateTime;
use Exception;
use Google\Ads\GoogleAds\V18\Services\GoogleAdsRow;
use Google\ApiCore\PagedListResponse;

/**
 * Class MerchantMetrics
 *
 * @since   1.7.0
 *
 * @package Automattic\WooCommerce\GoogleListingsAndAds\API\Google
 */
class MerchantMetrics implements OptionsAwareInterface {

use OptionsAwareTrait;

/**
	 * The Google shopping client.
	 *
	 * @var ShoppingContent
	 */
	protected $shopping_client;

/**
	 * The Google ads client.
	 *
	 * @var GoogleAdsClient
	 */
	protected $ads_client;

/**
	 * @var WP
	 */
	protected $wp;

/**
	 * @var TransientsInterface
	 */
	protected $transients;

protected const MAX_QUERY_START_DATE = '2020-01-01';

/**
	 * MerchantMetrics constructor.
	 *
	 * @param ShoppingContent     $shopping_client
	 * @param GoogleAdsClient     $ads_client
	 * @param WP                  $wp
	 * @param TransientsInterface $transients
	 */
	public function __construct( ShoppingContent $shopping_client, GoogleAdsClient $ads_client, WP $wp, TransientsInterface $transients ) {
		$this->shopping_client = $shopping_client;
		$this->ads_client      = $ads_client;
		$this->wp              = $wp;
		$this->transients      = $transients;
	}

/**
	 * Get free listing metrics.
	 *
	 * @return array Of metrics or empty if no metrics were available.
	 *      @type int $clicks Number of free clicks.
	 *      @type int $impressions NUmber of free impressions.
	 *
	 * @throws Exception When unable to get clicks data.
	 */
	public function get_free_listing_metrics(): array {
		if ( ! $this->options->get_merchant_id() ) {
			// Merchant account not set up
			return [];
		}

// Google API requires a date clause to be set but there doesn't seem to be any limits on how wide the range
		$query = ( new MerchantFreeListingReportQuery( [] ) )
			->set_client( $this->shopping_client, $this->options->get_merchant_id() )
			->where_date_between( self::MAX_QUERY_START_DATE, $this->get_tomorrow() )
			->fields( [ 'clicks', 'impressions' ] );

/** @var SearchResponse $response */
		$response = $query->get_results();

if ( empty( $response ) || empty( $response->getResults() ) ) {
			return [];
		}

$report_row = $response->getResults()[0];

return [
			'clicks'      => (int) $report_row->getMetrics()->getClicks(),
			'impressions' => (int) $report_row->getMetrics()->getImpressions(),
		];
	}

/**
	 * Get free listing metrics but cached for 12 hours.
	 *
	 * PLEASE NOTE: These metrics will not be 100% accurate since there is no invalidation apart from the 12 hour refresh.
	 *
	 * @return array Of metrics or empty if no metrics were available.
	 *      @type int $clicks Number of free clicks.
	 *      @type int $impressions NUmber of free impressions.
	 *
	 * @throws Exception When unable to get data.
	 */
	public function get_cached_free_listing_metrics(): array {
		$value = $this->transients->get( TransientsInterface::FREE_LISTING_METRICS );

if ( $value === null ) {
			$value = $this->get_free_listing_metrics();
			$this->transients->set( TransientsInterface::FREE_LISTING_METRICS, $value, HOUR_IN_SECONDS * 12 );
		}

return $value;
	}

/**
	 * Get ads metrics across all campaigns.
	 *
	 * @return array Of metrics or empty if no metrics were available.
	 *
	 * @throws Exception When unable to get data.
	 */
	public function get_ads_metrics(): array {
		if ( ! $this->options->get_ads_id() ) {
			// Ads account not set up
			return [];
		}

// Google API requires a date clause to be set but there doesn't seem to be any limits on how wide the range
		$query = ( new AdsCampaignReportQuery( [] ) )
			->set_client( $this->ads_client, $this->options->get_ads_id() )
			->where_date_between( self::MAX_QUERY_START_DATE, $this->get_tomorrow() )
			->fields( [ 'clicks', 'conversions', 'impressions' ] );

/** @var PagedListResponse $response */
		$response = $query->get_results();
		$page     = $response->getPage();

if ( $page && $page->getIterator()->current() ) {
			/** @var GoogleAdsRow $row */
			$row = $page->getIterator()->current();

$metrics = $row->getMetrics();
			if ( $metrics ) {
				return [
					'clicks'      => $metrics->getClicks(),
					'conversions' => (int) $metrics->getConversions(),
					'impressions' => $metrics->getImpressions(),
				];
			}
		}

return [];
	}

/**
	 * Get ads metrics across all campaigns but cached for 12 hours.
	 *
	 * PLEASE NOTE: These metrics will not be 100% accurate since there is no invalidation apart from the 12 hour refresh.
	 *
	 * @return array Of metrics or empty if no metrics were available.
	 *
	 * @throws Exception When unable to get data.
	 */
	public function get_cached_ads_metrics(): array {
		$value = $this->transients->get( TransientsInterface::ADS_METRICS );

if ( $value === null ) {
			$value = $this->get_ads_metrics();
			$this->transients->set( TransientsInterface::ADS_METRICS, $value, HOUR_IN_SECONDS * 12 );
		}

return $value;
	}

/**
	 * Return amount of active campaigns for the connected Ads account.
	 *
	 * @since 2.5.11
	 *
	 * @return int
	 */
	public function get_campaign_count(): int {
		if ( ! $this->options->get_ads_id() ) {
			return 0;
		}

$campaign_count = 0;
		$cached_count   = $this->transients->get( TransientsInterface::ADS_CAMPAIGN_COUNT );
		if ( null !== $cached_count ) {
			return (int) $cached_count;
		}

try {
			$query = ( new AdsCampaignQuery() )->set_client( $this->ads_client, $this->options->get_ads_id() );
			$query->where( 'campaign.status', 'REMOVED', '!=' );

$campaign_results = $query->get_results();

// Iterate through all paged results (total results count is not set).
			foreach ( $campaign_results->iterateAllElements() as $row ) {
				++$campaign_count;
			}
		} catch ( Exception $e ) {
			$campaign_count = 0;
		}

$this->transients->set( TransientsInterface::ADS_CAMPAIGN_COUNT, $campaign_count, HOUR_IN_SECONDS * 12 );
		return $campaign_count;
	}

/**
	 * Get tomorrow's date to ensure we include any metrics from the current day.
	 *
	 * @return string
	 */
	protected function get_tomorrow(): string {
		return ( new DateTime( 'tomorrow', $this->wp->wp_timezone() ) )->format( 'Y-m-d' );
	}
}

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