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Filename : Analytics.php
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<?php
/**
 * Class Google\Site_Kit\Modules\Analytics
 *
 * @package   Google\Site_Kit
 * @copyright 2021 Google LLC
 * @license   https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
 * @link      https://sitekit.withgoogle.com
 */

namespace Google\Site_Kit\Modules;

use Google\Site_Kit\Core\Modules\Module;
use Google\Site_Kit\Core\Modules\Module_Settings;
use Google\Site_Kit\Core\Modules\Module_With_Data_Available_State;
use Google\Site_Kit\Core\Modules\Module_With_Data_Available_State_Trait;
use Google\Site_Kit\Core\Modules\Module_With_Deactivation;
use Google\Site_Kit\Core\Modules\Module_With_Debug_Fields;
use Google\Site_Kit\Core\Modules\Module_With_Scopes;
use Google\Site_Kit\Core\Modules\Module_With_Scopes_Trait;
use Google\Site_Kit\Core\Modules\Module_With_Settings;
use Google\Site_Kit\Core\Modules\Module_With_Settings_Trait;
use Google\Site_Kit\Core\Modules\Module_With_Assets;
use Google\Site_Kit\Core\Modules\Module_With_Assets_Trait;
use Google\Site_Kit\Core\Modules\Module_With_Owner;
use Google\Site_Kit\Core\Modules\Module_With_Owner_Trait;
use Google\Site_Kit\Core\Modules\Module_With_Service_Entity;
use Google\Site_Kit\Core\REST_API\Exception\Invalid_Datapoint_Exception;
use Google\Site_Kit\Core\Validation\Exception\Invalid_Report_Metrics_Exception;
use Google\Site_Kit\Core\Validation\Exception\Invalid_Report_Dimensions_Exception;
use Google\Site_Kit\Core\Authentication\Google_Proxy;
use Google\Site_Kit\Core\Assets\Asset;
use Google\Site_Kit\Core\Assets\Script;
use Google\Site_Kit\Core\Authentication\Clients\Google_Site_Kit_Client;
use Google\Site_Kit\Core\Permissions\Permissions;
use Google\Site_Kit\Core\REST_API\Data_Request;
use Google\Site_Kit\Core\Tags\Guards\Tag_Environment_Type_Guard;
use Google\Site_Kit\Core\Tags\Guards\Tag_Verify_Guard;
use Google\Site_Kit\Core\Util\Date;
use Google\Site_Kit\Core\Util\Debug_Data;
use Google\Site_Kit\Core\Util\Feature_Flags;
use Google\Site_Kit\Core\Util\Method_Proxy_Trait;
use Google\Site_Kit\Core\Util\BC_Functions;
use Google\Site_Kit\Core\Util\Sort;
use Google\Site_Kit\Core\Util\URL;
use Google\Site_Kit\Modules\Analytics\Account_Ticket;
use Google\Site_Kit\Modules\Analytics\Google_Service_AnalyticsProvisioning;
use Google\Site_Kit\Modules\Analytics\AMP_Tag;
use Google\Site_Kit\Modules\Analytics\Settings;
use Google\Site_Kit\Modules\Analytics\Tag_Guard;
use Google\Site_Kit\Modules\Analytics\Web_Tag;
use Google\Site_Kit\Modules\Analytics\Proxy_AccountTicket;
use Google\Site_Kit\Modules\Analytics\Advanced_Tracking;
use Google\Site_Kit_Dependencies\Google\Service\Analytics as Google_Service_Analytics;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting as Google_Service_AnalyticsReporting;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting\GetReportsRequest as Google_Service_AnalyticsReporting_GetReportsRequest;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting\ReportRequest as Google_Service_AnalyticsReporting_ReportRequest;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting\Dimension as Google_Service_AnalyticsReporting_Dimension;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting\DimensionFilter as Google_Service_AnalyticsReporting_DimensionFilter;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting\DimensionFilterClause as Google_Service_AnalyticsReporting_DimensionFilterClause;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting\DateRange as Google_Service_AnalyticsReporting_DateRange;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting\Metric as Google_Service_AnalyticsReporting_Metric;
use Google\Site_Kit_Dependencies\Google\Service\AnalyticsReporting\OrderBy as Google_Service_AnalyticsReporting_OrderBy;
use Google\Site_Kit_Dependencies\Google\Service\Analytics\Accounts as Google_Service_Analytics_Accounts;
use Google\Site_Kit_Dependencies\Google\Service\Analytics\Account as Google_Service_Analytics_Account;
use Google\Site_Kit_Dependencies\Google\Service\Analytics\Webproperties as Google_Service_Analytics_Webproperties;
use Google\Site_Kit_Dependencies\Google\Service\Analytics\Webproperty as Google_Service_Analytics_Webproperty;
use Google\Site_Kit_Dependencies\Google\Service\Analytics\Profile as Google_Service_Analytics_Profile;
use Google\Site_Kit_Dependencies\Google\Service\Exception as Google_Service_Exception;
use Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface;
use WP_Error;
use Exception;

/**
 * Class representing the Analytics module.
 *
 * @since 1.0.0
 * @access private
 * @ignore
 */
final class Analytics extends Module
	implements Module_With_Scopes, Module_With_Settings, Module_With_Assets, Module_With_Debug_Fields, Module_With_Owner, Module_With_Service_Entity, Module_With_Deactivation, Module_With_Data_Available_State {
	use Method_Proxy_Trait;
	use Module_With_Assets_Trait;
	use Module_With_Owner_Trait;
	use Module_With_Scopes_Trait;
	use Module_With_Settings_Trait;
	use Module_With_Data_Available_State_Trait;

	const PROVISION_ACCOUNT_TICKET_ID = 'googlesitekit_analytics_provision_account_ticket_id';

	const READONLY_SCOPE  = 'https://www.googleapis.com/auth/analytics.readonly';
	const PROVISION_SCOPE = 'https://www.googleapis.com/auth/analytics.provision';
	const EDIT_SCOPE      = 'https://www.googleapis.com/auth/analytics.edit';

	/**
	 * Module slug name.
	 */
	const MODULE_SLUG = 'analytics';

	/**
	 * Registers functionality through WordPress hooks.
	 *
	 * @since 1.0.0
	 */
	public function register() {
		$this->register_scopes_hook();

		/**
		 * This filter only exists to be unhooked by the AdSense module if active.
		 *
		 * @see \Google\Site_Kit\Modules\Analytics\Settings::register
		 */
		add_filter( 'googlesitekit_analytics_adsense_linked', '__return_false' );

		add_action( 'admin_init', $this->get_method_proxy( 'handle_provisioning_callback' ) );
		add_action( 'googlesitekit_authorize_user', array( $this, 'handle_token_response_data' ) );

		// For non-AMP and AMP.
		add_action( 'wp_head', $this->get_method_proxy( 'print_tracking_opt_out' ), 0 );
		// For Web Stories plugin.
		add_action( 'web_stories_story_head', $this->get_method_proxy( 'print_tracking_opt_out' ), 0 );
		// Analytics tag placement logic.
		add_action( 'template_redirect', $this->get_method_proxy( 'register_tag' ) );

		add_filter(
			'googlesitekit_proxy_setup_mode',
			function( $original_mode ) {
				return ! $this->is_connected()
					? 'analytics-step'
					: $original_mode;
			}
		);

		( new Advanced_Tracking( $this->context ) )->register();

		// Ensure that the data available state is reset when the property changes.
		add_action(
			'update_option_googlesitekit_analytics_settings',
			function( $old_value, $new_value ) {
				if ( $old_value['propertyID'] !== $new_value['propertyID'] ) {
					$this->reset_data_available();
				}
			},
			10,
			2
		);

		add_filter(
			'googlesitekit_dashboard_sharing_data',
			function ( $data ) {
				if ( Feature_Flags::enabled( 'ga4Reporting' ) && ! $this->authentication->is_authenticated() ) {
					$settings              = $this->get_settings()->get();
					$data['dashboardView'] = $settings['dashboardView'];
				}

				return $data;
			}
		);

	}

	/**
	 * Checks whether or not tracking snippet should be contextually disabled for this request.
	 *
	 * @since 1.1.0
	 *
	 * @return bool
	 */
	protected function is_tracking_disabled() {
		$settings = $this->get_settings()->get();
		// This filter is documented in Tag_Manager::filter_analytics_allow_tracking_disabled.
		if ( ! apply_filters( 'googlesitekit_allow_tracking_disabled', $settings['useSnippet'] ) ) {
			return false;
		}

		$option = $this->get_settings()->get();

		$disable_logged_in_users  = in_array( 'loggedinUsers', $option['trackingDisabled'], true ) && is_user_logged_in();
		$disable_content_creators = in_array( 'contentCreators', $option['trackingDisabled'], true ) && current_user_can( 'edit_posts' );

		$disabled = $disable_logged_in_users || $disable_content_creators;

		/**
		 * Filters whether or not the Analytics tracking snippet is output for the current request.
		 *
		 * @since 1.1.0
		 *
		 * @param $disabled bool Whether to disable tracking or not.
		 */
		return (bool) apply_filters( 'googlesitekit_analytics_tracking_disabled', $disabled );
	}

	/**
	 * Gets required Google OAuth scopes for the module.
	 *
	 * @since 1.0.0
	 *
	 * @return array List of Google OAuth scopes.
	 */
	public function get_scopes() {
		return array(
			self::READONLY_SCOPE,
		);
	}

	/**
	 * Checks whether the module is connected.
	 *
	 * A module being connected means that all steps required as part of its activation are completed.
	 *
	 * @since 1.0.0
	 *
	 * @return bool True if module is connected, false otherwise.
	 */
	public function is_connected() {
		$required_keys = array(
			'accountID',
			'propertyID',
			'profileID',
			'internalWebPropertyID',
		);

		$options = $this->get_settings()->get();
		foreach ( $required_keys as $required_key ) {
			if ( empty( $options[ $required_key ] ) ) {
				return false;
			}
		}

		return parent::is_connected();
	}

	/**
	 * Cleans up when the module is deactivated.
	 *
	 * @since 1.0.0
	 */
	public function on_deactivation() {
		$this->get_settings()->delete();
		$this->options->delete( 'googlesitekit_analytics_adsense_linked' );
		$this->reset_data_available();
	}

	/**
	 * Gets an array of debug field definitions.
	 *
	 * @since 1.5.0
	 *
	 * @return array
	 */
	public function get_debug_fields() {
		$settings = $this->get_settings()->get();

		return array(
			'analytics_account_id'  => array(
				'label' => __( 'Analytics account ID', 'google-site-kit' ),
				'value' => $settings['accountID'],
				'debug' => Debug_Data::redact_debug_value( $settings['accountID'] ),
			),
			'analytics_property_id' => array(
				'label' => __( 'Analytics property ID', 'google-site-kit' ),
				'value' => $settings['propertyID'],
				'debug' => Debug_Data::redact_debug_value( $settings['propertyID'], 7 ),
			),
			'analytics_profile_id'  => array(
				'label' => __( 'Analytics view ID', 'google-site-kit' ),
				'value' => $settings['profileID'],
				'debug' => Debug_Data::redact_debug_value( $settings['profileID'] ),
			),
			'analytics_use_snippet' => array(
				'label' => __( 'Analytics snippet placed', 'google-site-kit' ),
				'value' => $settings['useSnippet'] ? __( 'Yes', 'google-site-kit' ) : __( 'No', 'google-site-kit' ),
				'debug' => $settings['useSnippet'] ? 'yes' : 'no',
			),
		);
	}

	/**
	 * Handles the provisioning callback after the user completes the terms of service.
	 *
	 * @since 1.9.0
	 * @since 1.98.0 Extended to handle callback from Admin API (no UA entities).
	 */
	protected function handle_provisioning_callback() {
		if ( defined( 'WP_CLI' ) && WP_CLI ) {
			return;
		}

		if ( ! current_user_can( Permissions::MANAGE_OPTIONS ) ) {
			return;
		}

		$input = $this->context->input();

		if ( ! $input->filter( INPUT_GET, 'gatoscallback' ) ) {
			return;
		}

		// First check that the accountTicketId matches one stored for the user.
		// This is always provided, even in the event of an error.
		$account_ticket_id = htmlspecialchars( $input->filter( INPUT_GET, 'accountTicketId' ) );
		// The create-account-ticket request stores the created account ticket in a transient before
		// sending the user off to the terms of service page.
		$account_ticket_transient_key = self::PROVISION_ACCOUNT_TICKET_ID . '::' . get_current_user_id();
		$account_ticket_params        = $this->transients->get( $account_ticket_transient_key );
		$account_ticket               = new Account_Ticket( $account_ticket_params );

		// Backwards compat for previous storage type which stored ID only.
		if ( is_scalar( $account_ticket_params ) ) {
			$account_ticket->set_id( $account_ticket_params );
		}

		if ( $account_ticket->get_id() !== $account_ticket_id ) {
			wp_safe_redirect(
				$this->context->admin_url( 'dashboard', array( 'error_code' => 'account_ticket_id_mismatch' ) )
			);
			exit;
		}

		// At this point, the accountTicketId is a match and params are loaded, so we can safely delete the transient.
		$this->transients->delete( $account_ticket_transient_key );

		// Next, check for a returned error.
		$error = $input->filter( INPUT_GET, 'error' );
		if ( ! empty( $error ) ) {
			wp_safe_redirect(
				$this->context->admin_url( 'dashboard', array( 'error_code' => htmlspecialchars( $error ) ) )
			);
			exit;
		}

		$account_id = htmlspecialchars( $input->filter( INPUT_GET, 'accountId' ) );

		if ( empty( $account_id ) ) {
			wp_safe_redirect(
				$this->context->admin_url( 'dashboard', array( 'error_code' => 'callback_missing_parameter' ) )
			);
			exit;
		}

		$new_settings = array();

		if ( ! Feature_Flags::enabled( 'ga4Reporting' ) ) {
			// UA-SPECIFIC Provisioning callback only.
			$web_property_id = htmlspecialchars( $input->filter( INPUT_GET, 'webPropertyId' ) );
			$profile_id      = htmlspecialchars( $input->filter( INPUT_GET, 'profileId' ) );

			if ( ! $web_property_id || ! $profile_id ) {
				// If ga4Reporting is not enabled and UA property or profile IDs are missing, something went wrong.
				wp_safe_redirect(
					$this->context->admin_url( 'dashboard', array( 'error_code' => 'callback_missing_parameter' ) )
				);
				exit;
			}

			// Retrieve the internal web property id.
			try {
				$web_property = $this->get_service( 'analytics' )->management_webproperties->get( $account_id, $web_property_id );
			} catch ( Exception $e ) {
				wp_safe_redirect(
					$this->context->admin_url( 'dashboard', array( 'error_code' => 'property_not_found' ) )
				);
				exit;
			}

			$new_settings['internalWebPropertyID'] = $web_property->getInternalWebPropertyId();
			$new_settings['propertyID']            = $web_property_id;
			$new_settings['profileID']             = $profile_id;
		}

		// At this point, account creation was successful.
		$new_settings['accountID'] = $account_id;

		if ( Feature_Flags::enabled( 'ga4Reporting' ) ) {
			// For GA4-SPECIFIC provisioning callback, switch to GA4 dashboard view.
			$new_settings['dashboardView'] = 'google-analytics-4';
		}

		$this->get_settings()->merge( $new_settings );

		do_action(
			'googlesitekit_analytics_handle_provisioning_callback',
			$account_id,
			$account_ticket
		);

		wp_safe_redirect(
			$this->context->admin_url(
				'dashboard',
				array(
					'notification' => 'authentication_success',
					'slug'         => 'analytics',
				)
			)
		);
		exit;
	}

	/**
	 * Gets map of datapoint to definition data for each.
	 *
	 * @since 1.9.0
	 *
	 * @return array Map of datapoints to their definitions.
	 */
	protected function get_datapoint_definitions() {
		$datapoints = array(
			'GET:accounts-properties-profiles' => array( 'service' => 'analytics' ),
			'POST:create-account-ticket'       => array(
				'service'                => 'analyticsprovisioning',
				'scopes'                 => array( self::PROVISION_SCOPE ),
				'request_scopes_message' => __( 'You’ll need to grant Site Kit permission to create a new Analytics account on your behalf.', 'google-site-kit' ),
			),
			'POST:create-profile'              => array(
				'service'                => 'analytics',
				'scopes'                 => array( self::EDIT_SCOPE ),
				'request_scopes_message' => __( 'You’ll need to grant Site Kit permission to create a new Analytics view on your behalf.', 'google-site-kit' ),
			),
			'POST:create-property'             => array(
				'service'                => 'analytics',
				'scopes'                 => array( self::EDIT_SCOPE ),
				'request_scopes_message' => __( 'You’ll need to grant Site Kit permission to create a new Analytics property on your behalf.', 'google-site-kit' ),
			),
			'GET:goals'                        => array(
				'service'   => 'analytics',
				'shareable' => Feature_Flags::enabled( 'dashboardSharing' ),
			),
			'GET:profiles'                     => array( 'service' => 'analytics' ),
			'GET:properties-profiles'          => array( 'service' => 'analytics' ),
			'GET:report'                       => array(
				'service'   => 'analyticsreporting',
				'shareable' => Feature_Flags::enabled( 'dashboardSharing' ),
			),
		);

		if ( Feature_Flags::enabled( 'ga4Reporting' ) ) {
			unset( $datapoints['POST:create-account-ticket'] );
			unset( $datapoints['POST:create-profile'] );
			unset( $datapoints['POST:create-property'] );
		}

		return $datapoints;
	}

	/**
	 * Creates a request object for the given datapoint.
	 *
	 * @since 1.0.0
	 *
	 * @param Data_Request $data Data request object.
	 * @return RequestInterface|callable|WP_Error Request object or callable on success, or WP_Error on failure.
	 *
	 * @throws Invalid_Datapoint_Exception Thrown if the datapoint does not exist.
	 */
	protected function create_data_request( Data_Request $data ) {
		switch ( "{$data->method}:{$data->datapoint}" ) {
			case 'GET:accounts-properties-profiles':
				return function () use ( $data ) {
					$restore_defer = $this->with_client_defer( false );

					try {
						return $this->get_service( 'analytics' )->management_accounts->listManagementAccounts();
					} catch ( Google_Service_Exception $exception ) {
						// The exception message is a JSON object of all errors, so we'll convert it to our WP Error first.
						$wp_error = $this->exception_to_error( $exception, $data->datapoint );
						// Unfortunately there isn't a better way to identify this without checking the message.
						if ( 'User does not have any Google Analytics account.' === $wp_error->get_error_message() ) {
							return new Google_Service_Analytics_Accounts();
						}
						// If any other exception was caught, re-throw it.
						throw $exception;
					} finally {
						$restore_defer(); // Will be called before returning in all cases.
					}
				};
			case 'POST:create-account-ticket':
				if ( ! isset( $data['accountName'] ) ) {
					/* translators: %s: Missing parameter name */
					return new WP_Error( 'missing_required_param', sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'accountName' ), array( 'status' => 400 ) );
				}
				if ( ! isset( $data['propertyName'] ) ) {
					/* translators: %s: Missing parameter name */
					return new WP_Error( 'missing_required_param', sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'propertyName' ), array( 'status' => 400 ) );
				}
				if ( ! isset( $data['profileName'] ) ) {
					/* translators: %s: Missing parameter name */
					return new WP_Error( 'missing_required_param', sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'profileName' ), array( 'status' => 400 ) );
				}
				if ( ! isset( $data['timezone'] ) ) {
					/* translators: %s: Missing parameter name */
					return new WP_Error( 'missing_required_param', sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'timezone' ), array( 'status' => 400 ) );
				}

				if ( ! $this->authentication->credentials()->using_proxy() ) {
					return new WP_Error( 'requires_service', __( 'Analytics provisioning requires connecting via the Site Kit Service.', 'google-site-kit' ), array( 'status' => 400 ) );
				}

				$account = new Google_Service_Analytics_Account();
				$account->setName( $data['accountName'] );

				$property = new Google_Service_Analytics_Webproperty();
				$property->setName( $data['propertyName'] );
				$property->setWebsiteUrl( $this->context->get_reference_site_url() );

				$profile = new Google_Service_Analytics_Profile();
				$profile->setName( $data['profileName'] );
				$profile->setTimezone( $data['timezone'] );

				$account_ticket = new Proxy_AccountTicket();
				$account_ticket->setAccount( $account );
				$account_ticket->setWebproperty( $property );
				$account_ticket->setProfile( $profile );
				$account_ticket->setRedirectUri( $this->get_provisioning_redirect_uri() );

				// Add site id and secret.
				$creds = $this->authentication->credentials()->get();
				$account_ticket->setSiteId( $creds['oauth2_client_id'] );
				$account_ticket->setSiteSecret( $creds['oauth2_client_secret'] );

				return $this->get_service( 'analyticsprovisioning' )
					->provisioning->createAccountTicket( $account_ticket );
			case 'GET:goals':
				$connection = $this->get_settings()->get();
				if (
					empty( $connection['accountID'] ) ||
					empty( $connection['internalWebPropertyID'] ) ||
					empty( $connection['profileID'] )
				) {
					// This is needed to return and emulate the same error format from Analytics API.
					return function() {
						return array(
							'error' => array(
								'code'    => 400,
								'message' => __( 'Analytics module needs to be configured.', 'google-site-kit' ),
								'status'  => 'INVALID_ARGUMENT',
							),
						);
					};
				}
				$service = $this->get_service( 'analytics' );
				return $service->management_goals->listManagementGoals( $connection['accountID'], $connection['propertyID'], $connection['profileID'] );
			case 'GET:profiles':
				if ( ! isset( $data['accountID'] ) ) {
					return new WP_Error(
						'missing_required_param',
						/* translators: %s: Missing parameter name */
						sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'accountID' ),
						array( 'status' => 400 )
					);
				}
				if ( ! isset( $data['propertyID'] ) ) {
					return new WP_Error(
						'missing_required_param',
						/* translators: %s: Missing parameter name */
						sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'propertyID' ),
						array( 'status' => 400 )
					);
				}

				return $this->get_service( 'analytics' )->management_profiles->listManagementProfiles( $data['accountID'], $data['propertyID'] );
			case 'GET:properties-profiles':
				if ( ! isset( $data['accountID'] ) ) {
					return new WP_Error(
						'missing_required_param',
						/* translators: %s: Missing parameter name */
						sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'accountID' ),
						array( 'status' => 400 )
					);
				}

				return $this->get_service( 'analytics' )->management_webproperties->listManagementWebproperties( $data['accountID'] );
			case 'GET:report':
				$request_args = array();

				if ( empty( $data['metrics'] ) ) {
					/* translators: %s: Missing parameter name */
					return new WP_Error( 'missing_required_param', sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'metrics' ), array( 'status' => 400 ) );
				}

				if ( ! empty( $data['url'] ) ) {
					$request_args['page'] = $data['url'];
				}

				if ( ! empty( $data['limit'] ) ) {
					$request_args['row_limit'] = $data['limit'];
				}

				$dimensions = $data['dimensions'];
				if ( ! empty( $dimensions ) && ( is_string( $dimensions ) || is_array( $dimensions ) ) ) {
					if ( is_string( $dimensions ) ) {
						$dimensions = explode( ',', $dimensions );
					} elseif ( is_array( $dimensions ) && ! wp_is_numeric_array( $dimensions ) ) { // If single object is passed.
						$dimensions = array( $dimensions );
					}

					$dimensions = array_filter(
						array_map(
							function ( $dimension_def ) {
								$dimension = new Google_Service_AnalyticsReporting_Dimension();

								if ( is_string( $dimension_def ) ) {
									$dimension->setName( $dimension_def );
								} elseif ( is_array( $dimension_def ) && ! empty( $dimension_def['name'] ) ) {
									$dimension->setName( $dimension_def['name'] );
								} else {
									return null;
								}

								return $dimension;
							},
							array_filter( $dimensions )
						)
					);

					if ( ! empty( $dimensions ) ) {
						if ( $this->is_shared_data_request( $data ) ) {
							try {
								$this->validate_shared_report_dimensions( $dimensions );
							} catch ( Invalid_Report_Dimensions_Exception $exception ) {
								return new WP_Error(
									'invalid_analytics_report_dimensions',
									$exception->getMessage()
								);
							}
						}

						$request_args['dimensions'] = $dimensions;
					}
				}

				$dimension_filters          = $data['dimensionFilters'];
				$dimension_filter_instances = array();
				if ( ! empty( $dimension_filters ) && is_array( $dimension_filters ) ) {
					foreach ( $dimension_filters as $dimension_name => $dimension_value ) {
						$dimension_filter = new Google_Service_AnalyticsReporting_DimensionFilter();
						$dimension_filter->setDimensionName( $dimension_name );
						if ( is_array( $dimension_value ) ) {
							$dimension_filter->setOperator( 'IN_LIST' );
							$dimension_filter->setExpressions( $dimension_value );
						} else {
							$dimension_filter->setOperator( 'EXACT' );
							$dimension_filter->setExpressions( array( $dimension_value ) );
						}
						$dimension_filter_instances[] = $dimension_filter;
					}

					if ( ! empty( $dimension_filter_instances ) ) {
						$request_args['dimension_filters'] = $dimension_filter_instances;
					}
				}

				$request = $this->create_analytics_site_data_request( $request_args );

				if ( is_wp_error( $request ) ) {
					return $request;
				}

				$date_ranges = array();
				$start_date  = $data['startDate'];
				$end_date    = $data['endDate'];
				if ( strtotime( $start_date ) && strtotime( $end_date ) ) {
					$compare_start_date = $data['compareStartDate'];
					$compare_end_date   = $data['compareEndDate'];
					$date_ranges[]      = array( $start_date, $end_date );

					// When using multiple date ranges, it changes the structure of the response,
					// where each date range becomes an item in a list.
					if ( strtotime( $compare_start_date ) && strtotime( $compare_end_date ) ) {
						$date_ranges[] = array( $compare_start_date, $compare_end_date );
					}
				} else {
					$date_range    = $data['dateRange'] ?: 'last-28-days';
					$date_ranges[] = Date::parse_date_range( $date_range, $data['compareDateRanges'] ? 2 : 1 );

					// When using multiple date ranges, it changes the structure of the response,
					// where each date range becomes an item in a list.
					if ( ! empty( $data['multiDateRange'] ) ) {
						$date_ranges[] = Date::parse_date_range( $date_range, 1, 1, true );
					}
				}

				$date_ranges = array_map(
					function ( $date_range ) {
						list ( $start_date, $end_date ) = $date_range;
						$date_range                     = new Google_Service_AnalyticsReporting_DateRange();
						$date_range->setStartDate( $start_date );
						$date_range->setEndDate( $end_date );

						return $date_range;
					},
					$date_ranges
				);
				$request->setDateRanges( $date_ranges );

				$metrics = $data['metrics'];
				if ( is_string( $metrics ) || is_array( $metrics ) ) {
					if ( is_string( $metrics ) ) {
						$metrics = explode( ',', $data['metrics'] );
					} elseif ( is_array( $metrics ) && ! wp_is_numeric_array( $metrics ) ) { // If single object is passed.
						$metrics = array( $metrics );
					}

					$metrics = array_filter(
						array_map(
							function ( $metric_def ) {
								$metric = new Google_Service_AnalyticsReporting_Metric();

								if ( is_string( $metric_def ) ) {
									$metric->setAlias( $metric_def );
									$metric->setExpression( $metric_def );
								} elseif ( is_array( $metric_def ) && ! empty( $metric_def['expression'] ) ) {
									$metric->setExpression( $metric_def['expression'] );
									$metric->setAlias( ! empty( $metric_def['alias'] ) ? $metric_def['alias'] : $metric_def['expression'] );
								} else {
									return null;
								}

								return $metric;
							},
							array_filter( $metrics )
						)
					);

					if ( ! empty( $metrics ) ) {
						if ( $this->is_shared_data_request( $data ) ) {
							try {
								$this->validate_shared_report_metrics( $metrics );
							} catch ( Invalid_Report_Metrics_Exception $exception ) {
								return new WP_Error(
									'invalid_analytics_report_metrics',
									$exception->getMessage()
								);
							}
						}

						$request->setMetrics( $metrics );
					}
				}

				// Order by.
				$orderby = $this->parse_reporting_orderby( $data['orderby'] );
				if ( ! empty( $orderby ) ) {
					$request->setOrderBys( $orderby );
				}

				// Batch reports requests.
				$body = new Google_Service_AnalyticsReporting_GetReportsRequest();
				$body->setReportRequests( array( $request ) );

				return $this->get_analyticsreporting_service()->reports->batchGet( $body );
			case 'POST:create-profile':
				if ( ! isset( $data['accountID'] ) ) {
					return new WP_Error(
						'missing_required_param',
						/* translators: %s: Missing parameter name */
						sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'accountID' ),
						array( 'status' => 400 )
					);
				}
				if ( ! isset( $data['propertyID'] ) ) {
					return new WP_Error(
						'missing_required_param',
						/* translators: %s: Missing parameter name */
						sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'propertyID' ),
						array( 'status' => 400 )
					);
				}
				$profile_name = trim( $data['profileName'] );
				if ( empty( $profile_name ) ) {
					$profile_name = _x( 'All Web Site Data', 'default Analytics view name', 'google-site-kit' );
				}
				$profile = new Google_Service_Analytics_Profile();
				$profile->setName( $profile_name );
				$profile = $this->get_service( 'analytics' )->management_profiles->insert( $data['accountID'], $data['propertyID'], $profile );
				return $profile;
			case 'POST:create-property':
				if ( ! isset( $data['accountID'] ) ) {
					return new WP_Error(
						'missing_required_param',
						/* translators: %s: Missing parameter name */
						sprintf( __( 'Request parameter is empty: %s.', 'google-site-kit' ), 'accountID' ),
						array( 'status' => 400 )
					);
				}
				$property = new Google_Service_Analytics_Webproperty();
				$property->setName( URL::parse( $this->context->get_reference_site_url(), PHP_URL_HOST ) );
				$property->setWebsiteUrl( $this->context->get_reference_site_url() );
				return $this->get_service( 'analytics' )->management_webproperties->insert( $data['accountID'], $property );
		}

		return parent::create_data_request( $data );
	}

	/**
	 * Parses the orderby value of the data request into an array of reporting orderby object instances.
	 *
	 * @since 1.13.1
	 *
	 * @param array|null $orderby Data request orderby value.
	 * @return Google_Service_AnalyticsReporting_OrderBy[] An array of reporting orderby objects.
	 */
	protected function parse_reporting_orderby( $orderby ) {
		if ( empty( $orderby ) || ! is_array( $orderby ) ) {
			return array();
		}

		$results = array_map(
			function ( $order_def ) {
				$order_def = array_merge(
					array(
						'fieldName' => '',
						'sortOrder' => '',
					),
					(array) $order_def
				);

				if ( empty( $order_def['fieldName'] ) || empty( $order_def['sortOrder'] ) ) {
					return null;
				}

				$order_by = new Google_Service_AnalyticsReporting_OrderBy();
				$order_by->setFieldName( $order_def['fieldName'] );
				$order_by->setSortOrder( $order_def['sortOrder'] );

				return $order_by;
			},
			// When just object is passed we need to convert it to an array of objects.
			wp_is_numeric_array( $orderby ) ? $orderby : array( $orderby )
		);

		$results = array_filter( $results );
		$results = array_values( $results );

		return $results;
	}

	/**
	 * Parses a response for the given datapoint.
	 *
	 * @since 1.0.0
	 *
	 * @param Data_Request $data Data request object.
	 * @param mixed        $response Request response.
	 *
	 * @return mixed Parsed response data on success, or WP_Error on failure.
	 */
	protected function parse_data_response( Data_Request $data, $response ) {
		switch ( "{$data->method}:{$data->datapoint}" ) {
			case 'GET:accounts-properties-profiles':
				/* @var Google_Service_Analytics_Accounts $response listManagementAccounts response. */
				$accounts            = Sort::case_insensitive_list_sort(
					(array) $response->getItems(),
					'name'
				);
				$account_ids         = array_map(
					function ( Google_Service_Analytics_Account $account ) {
						return $account->getId();
					},
					$accounts
				);
				$properties_profiles = array(
					'properties' => array(),
					'profiles'   => array(),
				);

				if ( empty( $accounts ) ) {
					return array_merge( compact( 'accounts' ), $properties_profiles );
				}

				// Get the account ID from the saved settings.
				$option     = $this->get_settings()->get();
				$account_id = $option['accountID'];
				// If the saved account ID is in the list of accounts the user has access to, it's a match.
				if ( in_array( $account_id, $account_ids, true ) ) {
					$properties_profiles = $this->get_data( 'properties-profiles', array( 'accountID' => $account_id ) );
				} else {
					$account_summaries = $this->get_service( 'analytics' )->management_accountSummaries->listManagementAccountSummaries();
					$current_url       = $this->context->get_reference_site_url();
					$current_urls      = URL::permute_site_url( $current_url );

					foreach ( $account_summaries as $account_summary ) {
						$found_property = $this->find_property( $account_summary->getWebProperties(), '', $current_urls );
						if ( ! is_null( $found_property ) ) {
							$properties_profiles = $this->get_data( 'properties-profiles', array( 'accountID' => $account_summary->getId() ) );
							break;
						}
					}
				}

				if ( is_wp_error( $properties_profiles ) || ! $properties_profiles ) {
					$properties_profiles = array(
						'properties' => array(),
						'profiles'   => array(),
					);
				}

				return array_merge( compact( 'accounts' ), $properties_profiles );
			case 'GET:goals':
				if ( is_array( $response ) ) {
					return $response;
				}
				// TODO: Parse this response to a regular array.
				break;
			case 'GET:profiles':
				// TODO: Parse this response to a regular array.
				$response = Sort::case_insensitive_list_sort(
					$response->getItems(),
					'name'
				);
				return $response;
			case 'GET:properties-profiles':
				/* @var Google_Service_Analytics_Webproperties $response listManagementWebproperties response. */
				$properties     = Sort::case_insensitive_list_sort(
					(array) $response->getItems(),
					'name'
				);
				$found_property = null;
				$response       = array(
					'properties' => $properties,
					'profiles'   => array(),
				);

				if ( 0 === count( $properties ) ) {
					return $response;
				}

				$current_url    = $this->context->get_reference_site_url();
				$current_urls   = URL::permute_site_url( $current_url );
				$found_property = $this->find_property( $properties, '', $current_urls );

				if ( ! is_null( $found_property ) ) {
					$response['matchedProperty'] = $found_property;
				} else {
					$found_property = new Google_Service_Analytics_Webproperty();
				}

				// If no match is found, fetch profiles for the first property if available.
				if ( ! $found_property->getAccountId() && $properties ) {
					$found_property = array_shift( $properties );
				} elseif ( ! $found_property->getAccountId() ) {
					// If no found property, skip the call to 'profiles' as it would be empty/fail.
					return $response;
				}

				$profiles = $this->get_data(
					'profiles',
					array(
						'accountID'  => $found_property->getAccountId(),
						'propertyID' => $found_property->getId(),
					)
				);

				if ( is_wp_error( $profiles ) ) {
					return $profiles;
				}

				$response['profiles'] = $profiles;

				return $response;
			case 'GET:report':
				// If AdSense metric successfully requested, set adsenseLinked to true.
				if ( $this->is_adsense_request( $data ) ) {
					$this->get_settings()->merge( array( 'adsenseLinked' => true ) );
				}

				return $response->getReports();
			case 'POST:create-account-ticket':
				$account_ticket = new Account_Ticket();
				$account_ticket->set_id( $response->getId() );
				$account_ticket->set_property_name( $data['propertyName'] );
				$account_ticket->set_timezone( $data['timezone'] );
				// Cache the create ticket id long enough to verify it upon completion of the terms of service.
				$this->transients->set(
					self::PROVISION_ACCOUNT_TICKET_ID . '::' . get_current_user_id(),
					$account_ticket->to_array(),
					15 * MINUTE_IN_SECONDS
				);
				return $response;
		}

		return parent::parse_data_response( $data, $response );
	}

	/**
	 * Creates a new Analytics site request for the current site and given arguments.
	 *
	 * @since 1.0.0
	 * @since 1.24.0 Added $dimension_filters
	 *
	 * @param array $args {
	 *     Optional. Additional arguments.
	 *
	 *     @type array                                               $dimensions        List of request dimensions. Default empty array.
	 *     @type Google_Service_AnalyticsReporting_DimensionFilter[] $dimension_filters List of dimension filter instances for the specified request dimensions. Default empty array.
	 *     @type string                                              $start_date        Start date in 'Y-m-d' format. Default empty string.
	 *     @type string                                              $end_date          End date in 'Y-m-d' format. Default empty string.
	 *     @type string                                              $page              Specific page URL to filter by. Default empty string.
	 *     @type int                                                 $row_limit         Limit of rows to return. Default empty string.
	 * }
	 * @return Google_Service_AnalyticsReporting_ReportRequest|WP_Error Analytics site request instance.
	 */
	protected function create_analytics_site_data_request( array $args = array() ) {
		$args = wp_parse_args(
			$args,
			array(
				'dimensions'        => array(),
				'dimension_filters' => array(),
				'start_date'        => '',
				'end_date'          => '',
				'page'              => '',
				'row_limit'         => '',
			)
		);

		$option     = $this->get_settings()->get();
		$profile_id = $option['profileID'];

		$request = new Google_Service_AnalyticsReporting_ReportRequest();
		$request->setIncludeEmptyRows( true );
		$request->setViewId( $profile_id );

		if ( ! empty( $args['dimensions'] ) ) {
			$request->setDimensions( (array) $args['dimensions'] );
		}

		if ( ! empty( $args['start_date'] ) && ! empty( $args['end_date'] ) ) {
			$date_range = new Google_Service_AnalyticsReporting_DateRange();
			$date_range->setStartDate( $args['start_date'] );
			$date_range->setEndDate( $args['end_date'] );
			$request->setDateRanges( array( $date_range ) );
		}

		$dimension_filter_clauses = array();

		$hostnames = URL::permute_site_hosts( URL::parse( $this->context->get_reference_site_url(), PHP_URL_HOST ) );

		$dimension_filter = new Google_Service_AnalyticsReporting_DimensionFilter();
		$dimension_filter->setDimensionName( 'ga:hostname' );
		$dimension_filter->setOperator( 'IN_LIST' );
		$dimension_filter->setExpressions( $hostnames );
		$dimension_filter_clause = new Google_Service_AnalyticsReporting_DimensionFilterClause();
		$dimension_filter_clause->setFilters( array( $dimension_filter ) );
		$dimension_filter_clauses[] = $dimension_filter_clause;

		if ( ! empty( $args['dimension_filters'] ) ) {
			$dimension_filters       = $args['dimension_filters'];
			$dimension_filter_clause = new Google_Service_AnalyticsReporting_DimensionFilterClause();
			$dimension_filter_clause->setFilters( $dimension_filters );
			$dimension_filter_clause->setOperator( 'AND' );
			$dimension_filter_clauses[] = $dimension_filter_clause;
		}

		if ( ! empty( $args['page'] ) ) {
			$dimension_filter = new Google_Service_AnalyticsReporting_DimensionFilter();
			$dimension_filter->setDimensionName( 'ga:pagePath' );
			$dimension_filter->setOperator( 'EXACT' );
			$args['page'] = str_replace( trim( $this->context->get_reference_site_url(), '/' ), '', esc_url_raw( $args['page'] ) );
			$dimension_filter->setExpressions( array( rawurldecode( $args['page'] ) ) );
			$dimension_filter_clause = new Google_Service_AnalyticsReporting_DimensionFilterClause();
			$dimension_filter_clause->setFilters( array( $dimension_filter ) );
			$dimension_filter_clauses[] = $dimension_filter_clause;
		}

		$request->setDimensionFilterClauses( $dimension_filter_clauses );

		if ( ! empty( $args['row_limit'] ) ) {
			$request->setPageSize( $args['row_limit'] );
		}

		return $request;
	}

	/**
	 * Sets up information about the module.
	 *
	 * @since 1.0.0
	 *
	 * @return array Associative array of module info.
	 */
	protected function setup_info() {
		return array(
			'slug'        => 'analytics',
			'name'        => _x( 'Analytics', 'Service name', 'google-site-kit' ),
			'description' => __( 'Get a deeper understanding of your customers. Google Analytics gives you the free tools you need to analyze data for your business in one place.', 'google-site-kit' ),
			'order'       => 3,
			'homepage'    => __( 'https://analytics.google.com/analytics/web', 'google-site-kit' ),
		);
	}

	/**
	 * Gets the configured Analytics Reporting service object instance.
	 *
	 * @return Google_Service_AnalyticsReporting The Analytics Reporting API service.
	 */
	private function get_analyticsreporting_service() {
		return $this->get_service( 'analyticsreporting' );
	}

	/**
	 * Sets up the Google services the module should use.
	 *
	 * This method is invoked once by {@see Module::get_service()} to lazily set up the services when one is requested
	 * for the first time.
	 *
	 * @since 1.0.0
	 * @since 1.2.0 Now requires Google_Site_Kit_Client instance.
	 *
	 * @param Google_Site_Kit_Client $client Google client instance.
	 * @return array Google services as $identifier => $service_instance pairs. Every $service_instance must be an
	 *               instance of Google_Service.
	 */
	protected function setup_services( Google_Site_Kit_Client $client ) {
		$google_proxy = new Google_Proxy( $this->context );
		return array(
			'analytics'             => new Google_Service_Analytics( $client ),
			'analyticsreporting'    => new Google_Service_AnalyticsReporting( $client ),
			'analyticsprovisioning' => new Google_Service_AnalyticsProvisioning( $client, $google_proxy->url() ),
		);
	}

	/**
	 * Gets the provisioning redirect URI that listens for the Terms of Service redirect.
	 *
	 * @since 1.9.0
	 *
	 * @return string Provisioning redirect URI.
	 */
	private function get_provisioning_redirect_uri() {
		$google_proxy = new Google_Proxy( $this->context );
		return $google_proxy->get_site_fields()['analytics_redirect_uri'];
	}

	/**
	 * Transforms an exception into a WP_Error object.
	 *
	 * @since 1.0.0
	 * @since 1.70.0 $datapoint parameter is optional.
	 *
	 * @param Exception $e         Exception object.
	 * @param string    $datapoint Optional. Datapoint originally requested. Default is an empty string.
	 * @return WP_Error WordPress error object.
	 */
	protected function exception_to_error( Exception $e, $datapoint = '' ) {
		$cache_ttl = false;

		if ( 'report' === $datapoint && $e instanceof Google_Service_Exception ) {
			$errors = $e->getErrors();
			// If error is because of AdSense metric being requested, set adsenseLinked to false.
			if ( isset( $errors[0]['message'] ) ) {
				if ( $this->is_adsense_metric( substr( $errors[0]['message'], strlen( 'Restricted metric(s): ' ) ) ) ) {
					$this->get_settings()->merge( array( 'adsenseLinked' => false ) );
				}

				if ( preg_match( '#^Restricted metric\(s\)\:#im', $errors[0]['message'] ) ) {
					$cache_ttl = ( 10 * MINUTE_IN_SECONDS );
				}
			}
		}

		$error = parent::exception_to_error( $e, $datapoint );

		if ( $cache_ttl && is_wp_error( $error ) ) {
			$error_code = $error->get_error_code();
			if ( ! empty( $error->error_data[ $error_code ] ) ) {
				$error->error_data[ $error_code ]['cacheTTL'] = $cache_ttl;
			} else {
				$error->add_data(
					array(
						'cacheTTL' => $cache_ttl,
					),
					$error_code
				);
			}
		}

		return $error;
	}

	/**
	 * Determines whether the given request is for an adsense request.
	 *
	 * @param Data_Request $data Data request object.
	 *
	 * @return bool
	 */
	private function is_adsense_request( $data ) {
		foreach ( (array) $data['metrics'] as $metric ) {
			$metric = (array) $metric;
			if ( isset( $metric['expression'] ) && $this->is_adsense_metric( $metric['expression'] ) ) {
				return true;
			}
		}

		return false;
	}

	/**
	 * Determines whether the given metric expression is for an AdSense metric.
	 *
	 * @since 1.8.0
	 *
	 * @param string $metric Metric expression.
	 * @return bool True if AdSense metric, false otherwise.
	 */
	private function is_adsense_metric( $metric ) {
		return 0 === strpos( $metric, 'ga:adsense' );
	}

	/**
	 * Outputs the user tracking opt-out script.
	 *
	 * This script opts out of all Google Analytics tracking, for all measurement IDs, regardless of implementation.
	 * E.g. via Tag Manager, etc.
	 *
	 * @since 1.5.0
	 * @link https://developers.google.com/analytics/devguides/collection/analyticsjs/user-opt-out
	 */
	private function print_tracking_opt_out() {
		$settings    = $this->get_settings()->get();
		$account_id  = $settings['accountID'];
		$property_id = $settings['propertyID'];

		if ( empty( $property_id ) ) {
			return;
		}

		if ( ! $this->is_tracking_disabled() ) {
			return;
		}

		if ( $this->context->is_amp() ) : ?>
			<!-- <?php esc_html_e( 'Google Analytics AMP opt-out snippet added by Site Kit', 'google-site-kit' ); ?> -->
			<meta name="ga-opt-out" content="" id="__gaOptOutExtension">
			<!-- <?php esc_html_e( 'End Google Analytics AMP opt-out snippet added by Site Kit', 'google-site-kit' ); ?> -->
		<?php else : ?>
			<!-- <?php esc_html_e( 'Google Analytics opt-out snippet added by Site Kit', 'google-site-kit' ); ?> -->
			<?php
			BC_Functions::wp_print_inline_script_tag(
				sprintf( 'window["ga-disable-%s"] = true;', esc_attr( $property_id ) )
			);
			?>
			<?php do_action( 'googlesitekit_analytics_tracking_opt_out', $property_id, $account_id ); ?>
			<!-- <?php esc_html_e( 'End Google Analytics opt-out snippet added by Site Kit', 'google-site-kit' ); ?> -->
			<?php
		endif;
	}

	/**
	 * Sets up the module's settings instance.
	 *
	 * @since 1.2.0
	 *
	 * @return Module_Settings
	 */
	protected function setup_settings() {
		return new Settings( $this->options );
	}

	/**
	 * Sets up the module's assets to register.
	 *
	 * @since 1.8.0
	 *
	 * @return Asset[] List of Asset objects.
	 */
	protected function setup_assets() {
		$base_url = $this->context->url( 'dist/assets/' );

		return array(
			new Script(
				'googlesitekit-modules-analytics',
				array(
					'src'          => $base_url . 'js/googlesitekit-modules-analytics.js',
					'dependencies' => array(
						'googlesitekit-vendor',
						'googlesitekit-api',
						'googlesitekit-data',
						'googlesitekit-modules',
						'googlesitekit-datastore-site',
						'googlesitekit-datastore-user',
						'googlesitekit-datastore-forms',
						'googlesitekit-components',
						'googlesitekit-modules-data',
					),
				)
			),
		);
	}

	/**
	 * Determines the Analytics account ID from a given Analytics property ID.
	 *
	 * @since 1.8.0
	 *
	 * @param string $property_id Analytics property ID.
	 * @return string Analytics account ID, or empty string if invalid property ID.
	 */
	protected function parse_account_id( $property_id ) {
		if ( ! preg_match( '/^UA-([0-9]+)-[0-9]+$/', $property_id, $matches ) ) {
			return '';
		}
		return $matches[1];
	}

	/**
	 * Registers the Analytics tag.
	 *
	 * @since 1.24.0
	 */
	private function register_tag() {
		$settings = $this->get_settings()->get();

		if ( $this->context->is_amp() ) {
			$tag = new AMP_Tag( $settings['propertyID'], self::MODULE_SLUG );
		} else {
			$tag = new Web_Tag( $settings['propertyID'], self::MODULE_SLUG );
		}

		if ( $tag->is_tag_blocked() ) {
			return;
		}

		$tag->use_guard( new Tag_Verify_Guard( $this->context->input() ) );
		$tag->use_guard( new Tag_Guard( $this->get_settings() ) );
		$tag->use_guard( new Tag_Environment_Type_Guard() );

		if ( $tag->can_register() ) {
			$tag->set_anonymize_ip( $settings['anonymizeIP'] );
			$tag->set_home_domain(
				URL::parse( $this->context->get_canonical_home_url(), PHP_URL_HOST )
			);
			$tag->set_ads_conversion_id( $settings['adsConversionID'] );

			$tag->register();
		}
	}

	/**
	 * Finds a property in the properties list.
	 *
	 * @since 1.31.0
	 *
	 * @param array  $properties  An array of Analytics properties to search in.
	 * @param string $property_id Optional. The Analytics property ID. Default is the current property ID from the Analytics settings.
	 * @param array  $urls        Optional. An array of URLs that searched property can have.
	 * @return mixed A property instance on success, otherwise NULL.
	 */
	protected function find_property( array $properties, $property_id = '', array $urls = array() ) {
		if ( strlen( $property_id ) === 0 ) {
			$option      = $this->get_settings()->get();
			$property_id = $option['propertyID'];
		}

		foreach ( $properties as $property ) {
			/* @var Google_Service_Analytics_Webproperty $property Property instance. */
			$id          = $property->getId();
			$website_url = $property->getWebsiteUrl();
			$website_url = untrailingslashit( $website_url );

			if ( $id === $property_id || ( 0 < count( $urls ) && in_array( $website_url, $urls, true ) ) ) {
				return $property;
			}
		}

		return null;
	}

	/**
	 * Populates Analytics settings using the incoming token response data.
	 *
	 * @since 1.50.0
	 *
	 * @param array $token_response Token response data.
	 */
	public function handle_token_response_data( $token_response ) {
		if ( empty( $token_response['analytics_configuration'] ) || $this->is_connected() ) {
			return;
		}

		$configuration = $token_response['analytics_configuration'];
		if ( ! is_array( $configuration ) ) {
			return;
		}

		$keys_map = array(
			'ga_account_id'               => 'accountID',
			'ua_property_id'              => 'propertyID',
			'ua_internal_web_property_id' => 'internalWebPropertyID',
			'ua_profile_id'               => 'profileID',
		);

		$settings = array();
		foreach ( $keys_map as $key => $setting ) {
			if ( ! empty( $configuration[ $key ] ) && is_string( $configuration[ $key ] ) ) {
				$settings[ $setting ] = $configuration[ $key ];
			}
		}

		// Save new settings only if all keys are not empty.
		if ( ! empty( $settings ) && count( $settings ) === 4 ) {
			$this->get_settings()->merge( $settings );
		}
	}

	/**
	 * Checks if the current user has access to the current configured service entity.
	 *
	 * @since 1.70.0
	 *
	 * @return boolean|WP_Error
	 */
	public function check_service_entity_access() {
		$data_request = array(
			'row_limit' => 1,
		);

		$request = $this->create_analytics_site_data_request( $data_request );

		if ( is_wp_error( $request ) ) {
			return $request;
		}

		try {
			$body = new Google_Service_AnalyticsReporting_GetReportsRequest();
			$body->setReportRequests( array( $request ) );
			$this->get_analyticsreporting_service()->reports->batchGet( $body );
		} catch ( Exception $e ) {
			if ( $e->getCode() === 403 ) {
				return false;
			}
			return $this->exception_to_error( $e );
		}

		return true;
	}

	/**
	 * Validates the report metrics for a shared request.
	 *
	 * @since 1.82.0
	 * @since 1.98.0 Renamed the method, and moved the check for being a shared request to the caller.
	 *
	 * @param Google_Service_AnalyticsReporting_Metric[] $metrics The metrics to validate.
	 * @throws Invalid_Report_Metrics_Exception Thrown if the metrics are invalid.
	 */
	protected function validate_shared_report_metrics( $metrics ) {
		$valid_metrics = apply_filters(
			'googlesitekit_shareable_analytics_metrics',
			array(
				'ga:sessions',
				'ga:users',
				'ga:pageviews',
				'ga:uniquePageviews',
				'ga:bounceRate',
				'ga:avgSessionDuration',
				'ga:adsenseRevenue',
				'ga:adsenseECPM',
				'ga:adsensePageImpressions',
				'ga:goalCompletionsAll',
			)
		);

		$invalid_metrics = array_diff(
			array_map(
				function ( $metric ) {
					return $metric->getExpression();
				},
				$metrics
			),
			$valid_metrics
		);

		if ( count( $invalid_metrics ) > 0 ) {
			$message = count( $invalid_metrics ) > 1 ? sprintf(
				/* translators: %s: is replaced with a comma separated list of the invalid metrics. */
				__(
					'Unsupported metrics requested: %s',
					'google-site-kit'
				),
				join(
					/* translators: used between list items, there is a space after the comma. */
					__( ', ', 'google-site-kit' ),
					$invalid_metrics
				)
			) : sprintf(
				/* translators: %s: is replaced with the invalid metric. */
				__(
					'Unsupported metric requested: %s',
					'google-site-kit'
				),
				$invalid_metrics[0]
			);

			throw new Invalid_Report_Metrics_Exception( $message );
		}
	}

	/**
	 * Validates the report dimensions for a shared request.
	 *
	 * @since 1.82.0
	 * @since 1.98.0 Renamed the method, and moved the check for being a shared request to the caller.
	 *
	 * @param Google_Service_AnalyticsReporting_Dimension[] $dimensions The dimensions to validate.
	 * @throws Invalid_Report_Dimensions_Exception Thrown if the dimensions are invalid.
	 */
	protected function validate_shared_report_dimensions( $dimensions ) {
		$valid_dimensions = apply_filters(
			'googlesitekit_shareable_analytics_dimensions',
			array(
				'ga:date',
				'ga:pagePath',
				'ga:pageTitle',
				'ga:channelGrouping',
				'ga:country',
				'ga:deviceCategory',
				'ga:hostname',
			)
		);

		$invalid_dimensions = array_diff(
			array_map(
				function ( $dimension ) {
					return $dimension->getName();
				},
				$dimensions
			),
			$valid_dimensions
		);

		if ( count( $invalid_dimensions ) > 0 ) {
			$message = count( $invalid_dimensions ) > 1 ? sprintf(
				/* translators: %s: is replaced with a comma separated list of the invalid dimensions. */
				__(
					'Unsupported dimensions requested: %s',
					'google-site-kit'
				),
				join(
					/* translators: used between list items, there is a space after the comma. */
					__( ', ', 'google-site-kit' ),
					$invalid_dimensions
				)
			) : sprintf(
				/* translators: %s: is replaced with the invalid dimension. */
				__(
					'Unsupported dimension requested: %s',
					'google-site-kit'
				),
				$invalid_dimensions[0]
			);

			throw new Invalid_Report_Dimensions_Exception( $message );
		}
	}

}