<?php

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/**

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* Class for adding segmenting support without cluttering the data stores.

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*/

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namespace Automattic\WooCommerce\Admin\API\Reports;

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defined( 'ABSPATH' ) || exit;

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use Automattic\WooCommerce\Admin\API\Reports\Coupons\DataStore as CouponsDataStore;

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use Automattic\WooCommerce\Admin\API\Reports\Taxes\Stats\DataStore as TaxesStatsDataStore;

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use Automattic\WooCommerce\Enums\ProductType;

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/**

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* Date & time interval and numeric range handling class for Reporting API.

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*/

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class Segmenter {

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/**

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* Array of all segment ids.

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*

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* @var array|bool

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*/

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protected $all_segment_ids = false;

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/**

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* Array of all segment labels.

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*

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* @var array

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*/

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protected $segment_labels = array();

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/**

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* Query arguments supplied by the user for data store.

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*

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* @var array

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*/

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protected $query_args = '';

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/**

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* SQL definition for each column.

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*

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* @var array

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*/

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protected $report_columns = array();

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/**

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* Constructor.

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*

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* @param array $query_args Query arguments supplied by the user for data store.

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* @param array $report_columns Report columns lookup from data store.

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*/

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public function __construct( $query_args, $report_columns ) {

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$this->query_args = $query_args;

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$this->report_columns = $report_columns;

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}

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/**

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* Filters definitions for SELECT clauses based on query_args and joins them into one string usable in SELECT clause.

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*

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* @param array $columns_mapping Column name -> SQL statememt mapping.

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*

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* @return string to be used in SELECT clause statements.

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*/

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protected function prepare_selections( $columns_mapping ) {

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if ( isset( $this->query_args['fields'] ) && is_array( $this->query_args['fields'] ) ) {

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$keep = array();

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foreach ( $this->query_args['fields'] as $field ) {

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if ( isset( $columns_mapping[ $field ] ) ) {

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$keep[ $field ] = $columns_mapping[ $field ];

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}

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}

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$selections = implode( ', ', $keep );

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} else {

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$selections = implode( ', ', $columns_mapping );

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}

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if ( $selections ) {

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$selections = ',' . $selections;

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}

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return $selections;

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}

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/**

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* Update row-level db result for segments in 'totals' section to the format used for output.

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*

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* @param array $segments_db_result Results from the SQL db query for segmenting.

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* @param string $segment_dimension Name of column used for grouping the result.

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*

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* @return array Reformatted array.

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*/

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protected function reformat_totals_segments( $segments_db_result, $segment_dimension ) {

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$segment_result = array();

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if ( strpos( $segment_dimension, '.' ) ) {

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$segment_dimension = substr( strstr( $segment_dimension, '.' ), 1 );

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}

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$segment_labels = $this->get_segment_labels();

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foreach ( $segments_db_result as $segment_data ) {

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$segment_id = $segment_data[ $segment_dimension ];

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if ( ! isset( $segment_labels[ $segment_id ] ) ) {

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continue;

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}

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unset( $segment_data[ $segment_dimension ] );

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$segment_datum = array(

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'segment_id' => $segment_id,

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'segment_label' => $segment_labels[ $segment_id ],

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'subtotals' => $segment_data,

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);

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$segment_result[ $segment_id ] = $segment_datum;

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}

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return $segment_result;

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}

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/**

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* Merges segmented results for totals response part.

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*

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* E.g. $r1 = array(

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* 0 => array(

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* 'product_id' => 3,

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* 'net_amount' => 15,

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* ),

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* );

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* $r2 = array(

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* 0 => array(

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* 'product_id' => 3,

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* 'avg_order_value' => 25,

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* ),

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* );

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*

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* $merged = array(

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* 3 => array(

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* 'segment_id' => 3,

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* 'subtotals' => array(

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* 'net_amount' => 15,

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* 'avg_order_value' => 25,

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* )

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* ),

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* );

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*

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* @param string $segment_dimension Name of the segment dimension=key in the result arrays used to match records from result sets.

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* @param array $result1 Array 1 of segmented figures.

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* @param array $result2 Array 2 of segmented figures.

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*

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* @return array

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*/

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protected function merge_segment_totals_results( $segment_dimension, $result1, $result2 ) {

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$result_segments = array();

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$segment_labels = $this->get_segment_labels();

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foreach ( $result1 as $segment_data ) {

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$segment_id = $segment_data[ $segment_dimension ];

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if ( ! isset( $segment_labels[ $segment_id ] ) ) {

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continue;

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}

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unset( $segment_data[ $segment_dimension ] );

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$result_segments[ $segment_id ] = array(

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'segment_label' => $segment_labels[ $segment_id ],

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'segment_id' => $segment_id,

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'subtotals' => $segment_data,

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);

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}

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foreach ( $result2 as $segment_data ) {

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$segment_id = $segment_data[ $segment_dimension ];

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if ( ! isset( $segment_labels[ $segment_id ] ) ) {

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continue;

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}

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unset( $segment_data[ $segment_dimension ] );

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if ( ! isset( $result_segments[ $segment_id ] ) ) {

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$result_segments[ $segment_id ] = array(

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'segment_label' => $segment_labels[ $segment_id ],

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'segment_id' => $segment_id,

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'subtotals' => array(),

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);

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}

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$result_segments[ $segment_id ]['subtotals'] = array_merge( $result_segments[ $segment_id ]['subtotals'], $segment_data );

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}

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return $result_segments;

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}

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/**

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* Merges segmented results for intervals response part.

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*

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* E.g. $r1 = array(

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* 0 => array(

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* 'product_id' => 3,

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* 'time_interval' => '2018-12'

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* 'net_amount' => 15,

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* ),

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* );

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* $r2 = array(

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* 0 => array(

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* 'product_id' => 3,

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* 'time_interval' => '2018-12'

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* 'avg_order_value' => 25,

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* ),

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* );

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*

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* $merged = array(

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* '2018-12' => array(

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* 'segments' => array(

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* 3 => array(

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* 'segment_id' => 3,

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* 'subtotals' => array(

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* 'net_amount' => 15,

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* 'avg_order_value' => 25,

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* ),

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* ),

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* ),

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* ),

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* );

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*

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* @param string $segment_dimension Name of the segment dimension=key in the result arrays used to match records from result sets.

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* @param array $result1 Array 1 of segmented figures.

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* @param array $result2 Array 2 of segmented figures.

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*

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* @return array

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*/

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protected function merge_segment_intervals_results( $segment_dimension, $result1, $result2 ) {

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$result_segments = array();

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$segment_labels = $this->get_segment_labels();

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foreach ( $result1 as $segment_data ) {

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$segment_id = $segment_data[ $segment_dimension ];

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if ( ! isset( $segment_labels[ $segment_id ] ) ) {

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continue;

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}

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$time_interval = $segment_data['time_interval'];

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if ( ! isset( $result_segments[ $time_interval ] ) ) {

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$result_segments[ $time_interval ] = array();

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$result_segments[ $time_interval ]['segments'] = array();

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}

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unset( $segment_data['time_interval'] );

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unset( $segment_data['datetime_anchor'] );

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unset( $segment_data[ $segment_dimension ] );

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$segment_datum = array(

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'segment_label' => $segment_labels[ $segment_id ],

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'segment_id' => $segment_id,

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'subtotals' => $segment_data,

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);

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$result_segments[ $time_interval ]['segments'][ $segment_id ] = $segment_datum;

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}

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foreach ( $result2 as $segment_data ) {

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$segment_id = $segment_data[ $segment_dimension ];

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if ( ! isset( $segment_labels[ $segment_id ] ) ) {

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continue;

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}

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$time_interval = $segment_data['time_interval'];

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if ( ! isset( $result_segments[ $time_interval ] ) ) {

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$result_segments[ $time_interval ] = array();

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$result_segments[ $time_interval ]['segments'] = array();

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}

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unset( $segment_data['time_interval'] );

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unset( $segment_data['datetime_anchor'] );

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unset( $segment_data[ $segment_dimension ] );

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if ( ! isset( $result_segments[ $time_interval ]['segments'][ $segment_id ] ) ) {

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$result_segments[ $time_interval ]['segments'][ $segment_id ] = array(

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'segment_label' => $segment_labels[ $segment_id ],

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'segment_id' => $segment_id,

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'subtotals' => array(),

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);

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}

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$result_segments[ $time_interval ]['segments'][ $segment_id ]['subtotals'] = array_merge( $result_segments[ $time_interval ]['segments'][ $segment_id ]['subtotals'], $segment_data );

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}

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return $result_segments;

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}

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/**

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* Update row-level db result for segments in 'intervals' section to the format used for output.

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*

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* @param array $segments_db_result Results from the SQL db query for segmenting.

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* @param string $segment_dimension Name of column used for grouping the result.

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*

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* @return array Reformatted array.

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*/

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protected function reformat_intervals_segments( $segments_db_result, $segment_dimension ) {

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$aggregated_segment_result = array();

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if ( strpos( $segment_dimension, '.' ) ) {

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$segment_dimension = substr( strstr( $segment_dimension, '.' ), 1 );

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}

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$segment_labels = $this->get_segment_labels();

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foreach ( $segments_db_result as $segment_data ) {

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$segment_id = $segment_data[ $segment_dimension ];

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if ( ! isset( $segment_labels[ $segment_id ] ) ) {

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continue;

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}

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$time_interval = $segment_data['time_interval'];

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if ( ! isset( $aggregated_segment_result[ $time_interval ] ) ) {

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$aggregated_segment_result[ $time_interval ] = array();

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$aggregated_segment_result[ $time_interval ]['segments'] = array();

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}

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unset( $segment_data['time_interval'] );

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unset( $segment_data['datetime_anchor'] );

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unset( $segment_data[ $segment_dimension ] );

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$segment_datum = array(

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'segment_label' => $segment_labels[ $segment_id ],

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'segment_id' => $segment_id,

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'subtotals' => $segment_data,

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);

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$aggregated_segment_result[ $time_interval ]['segments'][ $segment_id ] = $segment_datum;

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}

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return $aggregated_segment_result;

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}

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/**

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* Fetches all segment ids from db and stores it for later use.

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*

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* @return void

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*/

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protected function set_all_segments() {

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global $wpdb;

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if ( ! isset( $this->query_args['segmentby'] ) || '' === $this->query_args['segmentby'] ) {

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$this->all_segment_ids = array();

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return;

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}

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$segments = array();

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$segment_labels = array();

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if ( 'product' === $this->query_args['segmentby'] ) {

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$args = array(

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'return' => 'objects',

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'limit' => -1,

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);

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if ( isset( $this->query_args['product_includes'] ) ) {

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$args['include'] = $this->query_args['product_includes'];

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}

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if ( isset( $this->query_args['category_includes'] ) ) {

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$categories = $this->query_args['category_includes'];

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$args['category'] = array();

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foreach ( $categories as $category_id ) {

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$terms = get_term_by( 'id', $category_id, 'product_cat' );

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$args['category'][] = $terms->slug;

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}

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}

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$segment_objects = wc_get_products( $args );

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foreach ( $segment_objects as $segment ) {

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$id = $segment->get_id();

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$segments[] = $id;

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$segment_labels[ $id ] = $segment->get_name();

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}

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} elseif ( 'variation' === $this->query_args['segmentby'] ) {

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$args = array(

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'return' => 'objects',

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'limit' => -1,

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'type' => ProductType::VARIATION,

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);

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if (

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isset( $this->query_args['product_includes'] ) &&

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is_array( $this->query_args['product_includes'] ) &&

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count( $this->query_args['product_includes'] ) === 1

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) {

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$args['parent'] = $this->query_args['product_includes'][0];

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}

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if ( isset( $this->query_args['variation_includes'] ) ) {

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$args['include'] = $this->query_args['variation_includes'];

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}

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$segment_objects = wc_get_products( $args );

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foreach ( $segment_objects as $segment ) {

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$id = $segment->get_id();

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$segments[] = $id;

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$product_name = $segment->get_name();

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$separator = apply_filters( 'woocommerce_product_variation_title_attributes_separator', ' - ', $segment );

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$attributes = wc_get_formatted_variation( $segment, true, false );

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$segment_labels[ $id ] = $product_name . $separator . $attributes;

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}

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// If no variations were specified, add a segment for the parent product (variation = 0).

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// This is to catch simple products with prior sales converted into variable products.

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// See: https://github.com/woocommerce/woocommerce-admin/issues/2719.

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if ( isset( $args['parent'] ) && empty( $args['include'] ) ) {

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$parent_object = wc_get_product( $args['parent'] );

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$segments[] = 0;

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$segment_labels[0] = $parent_object->get_name();

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}

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} elseif ( 'category' === $this->query_args['segmentby'] ) {

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$args = array(

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'taxonomy' => 'product_cat',

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);

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if ( isset( $this->query_args['category_includes'] ) ) {

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$args['include'] = $this->query_args['category_includes'];

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}

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// @todo: Look into `wc_get_products` or data store methods and not directly touching the database or post types.

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$categories = get_categories( $args );

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$segments = wp_list_pluck( $categories, 'cat_ID' );

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$segment_labels = wp_list_pluck( $categories, 'name', 'cat_ID' );

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} elseif ( 'coupon' === $this->query_args['segmentby'] ) {

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$args = array();

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if ( isset( $this->query_args['coupons'] ) ) {

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$args['include'] = $this->query_args['coupons'];

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}

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$coupons_store = new CouponsDataStore();

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$coupons = $coupons_store->get_coupons( $args );

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$segments = wp_list_pluck( $coupons, 'ID' );

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$segment_labels = wp_list_pluck( $coupons, 'post_title', 'ID' );

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$segment_labels = array_map( 'wc_format_coupon_code', $segment_labels );

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} elseif ( 'customer_type' === $this->query_args['segmentby'] ) {

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// 0 -- new customer

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// 1 -- returning customer

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$segments = array( 0, 1 );

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} elseif ( 'tax_rate_id' === $this->query_args['segmentby'] ) {

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$args = array();

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if ( isset( $this->query_args['taxes'] ) ) {

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$args['include'] = $this->query_args['taxes'];

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}

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$taxes = TaxesStatsDataStore::get_taxes( $args );

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[436] Fix | Delete

foreach ( $taxes as $tax ) {

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$id = $tax['tax_rate_id'];

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$segments[] = $id;

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$segment_labels[ $id ] = \WC_Tax::get_rate_code( (object) $tax );

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}

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} else {

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// Catch all default.

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$segments = array();

[444] Fix | Delete

}

[445] Fix | Delete

[446] Fix | Delete

$this->all_segment_ids = $segments;

[447] Fix | Delete

$this->segment_labels = $segment_labels;

[448] Fix | Delete

}

[449] Fix | Delete

[450] Fix | Delete

/**

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* Return all segment ids for given segmentby query parameter.

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*

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* @return array

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*/

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protected function get_all_segments() {

[456] Fix | Delete

if ( ! is_array( $this->all_segment_ids ) ) {

[457] Fix | Delete

$this->set_all_segments();

[458] Fix | Delete

}

[459] Fix | Delete

[460] Fix | Delete

return $this->all_segment_ids;

[461] Fix | Delete

}

[462] Fix | Delete

[463] Fix | Delete

/**

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* Return all segment labels for given segmentby query parameter.

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*

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* @return array

[467] Fix | Delete

*/

[468] Fix | Delete

protected function get_segment_labels() {

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if ( ! is_array( $this->all_segment_ids ) ) {

[470] Fix | Delete

$this->set_all_segments();

[471] Fix | Delete

}

[472] Fix | Delete

[473] Fix | Delete

return $this->segment_labels;

[474] Fix | Delete

}

[475] Fix | Delete

[476] Fix | Delete

/**

[477] Fix | Delete

* Compares two report data objects by pre-defined object property and ASC/DESC ordering.

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*

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* @param stdClass $a Object a.

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* @param stdClass $b Object b.

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* @return string

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*/

[483] Fix | Delete

private function segment_cmp( $a, $b ) {

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if ( $a['segment_id'] === $b['segment_id'] ) {

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return 0;

[486] Fix | Delete

} elseif ( $a['segment_id'] > $b['segment_id'] ) {

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return 1;

[488] Fix | Delete

} elseif ( $a['segment_id'] < $b['segment_id'] ) {

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return - 1;

[490] Fix | Delete

}

[491] Fix | Delete

}

[492] Fix | Delete

[493] Fix | Delete

/**

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* Adds zeroes for segments not present in the data selection.

[495] Fix | Delete

*

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* @param array $segments Array of segments from the database for given data points.

[497] Fix | Delete

*

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* @return array

[499] Fix | Delete