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<?php
/**
* Admin\API\Reports\DataStore class file.
*/
namespace Automattic\Kkart\Admin\API\Reports;
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
use \Automattic\Kkart\Admin\API\Reports\TimeInterval;
/**
* Admin\API\Reports\DataStore: Common parent for custom report data stores.
*/
class DataStore extends SqlQuery {
/**
* Cache group for the reports.
*
* @var string
*/
protected $cache_group = 'reports';
/**
* Time out for the cache.
*
* @var int
*/
protected $cache_timeout = 3600;
/**
* Table used as a data store for this report.
*
* @var string
*/
protected static $table_name = '';
/**
* Mapping columns to data type to return correct response types.
*
* @var array
*/
protected $column_types = array();
// @todo This does not really belong here, maybe factor out the comparison as separate class?
/**
* Order by property, used in the cmp function.
*
* @var string
*/
private $order_by = '';
/**
* Order property, used in the cmp function.
*
* @var string
*/
private $order = '';
/**
* Query limit parameters.
*
* @var array
*/
private $limit_parameters = array();
/**
* Data store context used to pass to filters.
*
* @var string
*/
protected $context = 'reports';
/**
* Subquery object for query nesting.
*
* @var SqlQuery
*/
protected $subquery;
/**
* Totals query object.
*
* @var SqlQuery
*/
protected $total_query;
/**
* Intervals query object.
*
* @var SqlQuery
*/
protected $interval_query;
/**
* Class constructor.
*/
public function __construct() {
self::set_db_table_name();
$this->assign_report_columns();
if ( property_exists( $this, 'report_columns' ) ) {
$this->report_columns = apply_filters(
'kkart_admin_report_columns',
$this->report_columns,
$this->context,
self::get_db_table_name()
);
}
}
/**
* Get table name from database class.
*/
public static function get_db_table_name() {
global $wpdb;
return isset( $wpdb->{static::$table_name} ) ? $wpdb->{static::$table_name} : $wpdb->prefix . static::$table_name;
}
/**
* Set table name from database class.
*/
protected static function set_db_table_name() {
global $wpdb;
if ( static::$table_name && ! isset( $wpdb->{static::$table_name} ) ) {
$wpdb->{static::$table_name} = $wpdb->prefix . static::$table_name;
}
}
/**
* Whether or not the report should use the caching layer.
*
* Provides an opportunity for plugins to prevent reports from using cache.
*
* @return boolean Whether or not to utilize caching.
*/
protected function should_use_cache() {
/**
* Determines if a report will utilize caching.
*
* @param bool $use_cache Whether or not to use cache.
* @param string $cache_key The report's cache key. Used to identify the report.
*/
return (bool) apply_filters( 'kkart_analytics_report_should_use_cache', true, $this->cache_key );
}
/**
* Returns string to be used as cache key for the data.
*
* @param array $params Query parameters.
* @return string
*/
protected function get_cache_key( $params ) {
return implode(
'_',
array(
'kkart_report',
$this->cache_key,
md5( wp_json_encode( $params ) ),
)
);
}
/**
* Wrapper around Cache::get().
*
* @param string $cache_key Cache key.
* @return mixed
*/
protected function get_cached_data( $cache_key ) {
if ( $this->should_use_cache() ) {
return Cache::get( $cache_key );
}
return false;
}
/**
* Wrapper around Cache::set().
*
* @param string $cache_key Cache key.
* @param mixed $value New value.
* @return bool
*/
protected function set_cached_data( $cache_key, $value ) {
if ( $this->should_use_cache() ) {
return Cache::set( $cache_key, $value );
}
return true;
}
/**
* Compares two report data objects by pre-defined object property and ASC/DESC ordering.
*
* @param stdClass $a Object a.
* @param stdClass $b Object b.
* @return string
*/
private function interval_cmp( $a, $b ) {
if ( '' === $this->order_by || '' === $this->order ) {
return 0;
// @todo Should return WP_Error here perhaps?
}
if ( $a[ $this->order_by ] === $b[ $this->order_by ] ) {
// As relative order is undefined in case of equality in usort, second-level sorting by date needs to be enforced
// so that paging is stable.
if ( $a['time_interval'] === $b['time_interval'] ) {
return 0; // This should never happen.
} elseif ( $a['time_interval'] > $b['time_interval'] ) {
return 1;
} elseif ( $a['time_interval'] < $b['time_interval'] ) {
return -1;
}
} elseif ( $a[ $this->order_by ] > $b[ $this->order_by ] ) {
return strtolower( $this->order ) === 'desc' ? -1 : 1;
} elseif ( $a[ $this->order_by ] < $b[ $this->order_by ] ) {
return strtolower( $this->order ) === 'desc' ? 1 : -1;
}
}
/**
* Sorts intervals according to user's request.
*
* They are pre-sorted in SQL, but after adding gaps, they need to be sorted including the added ones.
*
* @param stdClass $data Data object, must contain an array under $data->intervals.
* @param string $sort_by Ordering property.
* @param string $direction DESC/ASC.
*/
protected function sort_intervals( &$data, $sort_by, $direction ) {
$this->sort_array( $data->intervals, $sort_by, $direction );
}
/**
* Sorts array of arrays based on subarray key $sort_by.
*
* @param array $arr Array to sort.
* @param string $sort_by Ordering property.
* @param string $direction DESC/ASC.
*/
protected function sort_array( &$arr, $sort_by, $direction ) {
$this->order_by = $this->normalize_order_by( $sort_by );
$this->order = $direction;
usort( $arr, array( $this, 'interval_cmp' ) );
}
/**
* Fills in interval gaps from DB with 0-filled objects.
*
* @param array $db_intervals Array of all intervals present in the db.
* @param DateTime $start_datetime Start date.
* @param DateTime $end_datetime End date.
* @param string $time_interval Time interval, e.g. day, week, month.
* @param stdClass $data Data with SQL extracted intervals.
* @return stdClass
*/
protected function fill_in_missing_intervals( $db_intervals, $start_datetime, $end_datetime, $time_interval, &$data ) {
// @todo This is ugly and messy.
$local_tz = new \DateTimeZone( kkart_timezone_string() );
// At this point, we don't know when we can stop iterating, as the ordering can be based on any value.
$time_ids = array_flip( wp_list_pluck( $data->intervals, 'time_interval' ) );
$db_intervals = array_flip( $db_intervals );
// Totals object used to get all needed properties.
$totals_arr = get_object_vars( $data->totals );
foreach ( $totals_arr as $key => $val ) {
$totals_arr[ $key ] = 0;
}
// @todo Should 'products' be in intervals?
unset( $totals_arr['products'] );
while ( $start_datetime <= $end_datetime ) {
$next_start = TimeInterval::iterate( $start_datetime, $time_interval );
$time_id = TimeInterval::time_interval_id( $time_interval, $start_datetime );
// Either create fill-zero interval or use data from db.
if ( $next_start > $end_datetime ) {
$interval_end = $end_datetime->format( 'Y-m-d H:i:s' );
} else {
$prev_end_timestamp = (int) $next_start->format( 'U' ) - 1;
$prev_end = new \DateTime();
$prev_end->setTimestamp( $prev_end_timestamp );
$prev_end->setTimezone( $local_tz );
$interval_end = $prev_end->format( 'Y-m-d H:i:s' );
}
if ( array_key_exists( $time_id, $time_ids ) ) {
// For interval present in the db for this time frame, just fill in dates.
$record = &$data->intervals[ $time_ids[ $time_id ] ];
$record['date_start'] = $start_datetime->format( 'Y-m-d H:i:s' );
$record['date_end'] = $interval_end;
} elseif ( ! array_key_exists( $time_id, $db_intervals ) ) {
// For intervals present in the db outside of this time frame, do nothing.
// For intervals not present in the db, fabricate it.
$record_arr = array();
$record_arr['time_interval'] = $time_id;
$record_arr['date_start'] = $start_datetime->format( 'Y-m-d H:i:s' );
$record_arr['date_end'] = $interval_end;
$data->intervals[] = array_merge( $record_arr, $totals_arr );
}
$start_datetime = $next_start;
}
return $data;
}
/**
* Converts input datetime parameters to local timezone. If there are no inputs from the user in query_args,
* uses default from $defaults.
*
* @param array $query_args Array of query arguments.
* @param array $defaults Array of default values.
*/
protected function normalize_timezones( &$query_args, $defaults ) {
$local_tz = new \DateTimeZone( kkart_timezone_string() );
foreach ( array( 'before', 'after' ) as $query_arg_key ) {
if ( isset( $query_args[ $query_arg_key ] ) && is_string( $query_args[ $query_arg_key ] ) ) {
// Assume that unspecified timezone is a local timezone.
$datetime = new \DateTime( $query_args[ $query_arg_key ], $local_tz );
// In case timezone was forced by using +HH:MM, convert to local timezone.
$datetime->setTimezone( $local_tz );
$query_args[ $query_arg_key ] = $datetime;
} elseif ( isset( $query_args[ $query_arg_key ] ) && is_a( $query_args[ $query_arg_key ], 'DateTime' ) ) {
// In case timezone is in other timezone, convert to local timezone.
$query_args[ $query_arg_key ]->setTimezone( $local_tz );
} else {
$query_args[ $query_arg_key ] = isset( $defaults[ $query_arg_key ] ) ? $defaults[ $query_arg_key ] : null;
}
}
}
/**
* Removes extra records from intervals so that only requested number of records get returned.
*
* @param stdClass $data Data from whose intervals the records get removed.
* @param int $page_no Offset requested by the user.
* @param int $items_per_page Number of records requested by the user.
* @param int $db_interval_count Database interval count.
* @param int $expected_interval_count Expected interval count on the output.
* @param string $order_by Order by field.
* @param string $order ASC or DESC.
*/
protected function remove_extra_records( &$data, $page_no, $items_per_page, $db_interval_count, $expected_interval_count, $order_by, $order ) {
if ( 'date' === strtolower( $order_by ) ) {
$offset = 0;
} else {
if ( 'asc' === strtolower( $order ) ) {
$offset = ( $page_no - 1 ) * $items_per_page;
} else {
$offset = ( $page_no - 1 ) * $items_per_page - $db_interval_count;
}
$offset = $offset < 0 ? 0 : $offset;
}
$count = $expected_interval_count - ( $page_no - 1 ) * $items_per_page;
if ( $count < 0 ) {
$count = 0;
} elseif ( $count > $items_per_page ) {
$count = $items_per_page;
}
$data->intervals = array_slice( $data->intervals, $offset, $count );
}
/**
* Returns expected number of items on the page in case of date ordering.
*
* @param int $expected_interval_count Expected number of intervals in total.
* @param int $items_per_page Number of items per page.
* @param int $page_no Page number.
*
* @return float|int
*/
protected function expected_intervals_on_page( $expected_interval_count, $items_per_page, $page_no ) {
$total_pages = (int) ceil( $expected_interval_count / $items_per_page );
if ( $page_no < $total_pages ) {
return $items_per_page;
} elseif ( $page_no === $total_pages ) {
return $expected_interval_count - ( $page_no - 1 ) * $items_per_page;
} else {
return 0;
}
}
/**
* Returns true if there are any intervals that need to be filled in the response.
*
* @param int $expected_interval_count Expected number of intervals in total.
* @param int $db_records Total number of records for given period in the database.
* @param int $items_per_page Number of items per page.
* @param int $page_no Page number.
* @param string $order asc or desc.
* @param string $order_by Column by which the result will be sorted.
* @param int $intervals_count Number of records for given (possibly shortened) time interval.
*
* @return bool
*/
protected function intervals_missing( $expected_interval_count, $db_records, $items_per_page, $page_no, $order, $order_by, $intervals_count ) {
if ( $expected_interval_count <= $db_records ) {
return false;
}
if ( 'date' === $order_by ) {
$expected_intervals_on_page = $this->expected_intervals_on_page( $expected_interval_count, $items_per_page, $page_no );
return $intervals_count < $expected_intervals_on_page;
}
if ( 'desc' === $order ) {
return $page_no > floor( $db_records / $items_per_page );
}
if ( 'asc' === $order ) {
return $page_no <= ceil( ( $expected_interval_count - $db_records ) / $items_per_page );
}
// Invalid ordering.
return false;
}
/**
* Updates the LIMIT query part for Intervals query of the report.
*
* If there are less records in the database than time intervals, then we need to remap offset in SQL query
* to fetch correct records.
*
* @param array $query_args Query arguments.
* @param int $db_interval_count Database interval count.
* @param int $expected_interval_count Expected interval count on the output.
* @param string $table_name Name of the db table relevant for the date constraint.
*/
protected function update_intervals_sql_params( &$query_args, $db_interval_count, $expected_interval_count, $table_name ) {
if ( $db_interval_count === $expected_interval_count ) {
return;
}
$params = $this->get_limit_params( $query_args );
$local_tz = new \DateTimeZone( kkart_timezone_string() );
if ( 'date' === strtolower( $query_args['orderby'] ) ) {
// page X in request translates to slightly different dates in the db, in case some
// records are missing from the db.
$start_iteration = 0;
$end_iteration = 0;
if ( 'asc' === strtolower( $query_args['order'] ) ) {
// ORDER BY date ASC.
$new_start_date = $query_args['after'];
$intervals_to_skip = ( $query_args['page'] - 1 ) * $params['per_page'];
$latest_end_date = $query_args['before'];
for ( $i = 0; $i < $intervals_to_skip; $i++ ) {
if ( $new_start_date > $latest_end_date ) {
$new_start_date = $latest_end_date;
$start_iteration = 0;
break;
}
$new_start_date = TimeInterval::iterate( $new_start_date, $query_args['interval'] );
$start_iteration ++;
}
$new_end_date = clone $new_start_date;
for ( $i = 0; $i < $params['per_page']; $i++ ) {
if ( $new_end_date > $latest_end_date ) {
break;
}
$new_end_date = TimeInterval::iterate( $new_end_date, $query_args['interval'] );
$end_iteration ++;
}
if ( $new_end_date > $latest_end_date ) {
$new_end_date = $latest_end_date;
$end_iteration = 0;
}
if ( $end_iteration ) {
$new_end_date_timestamp = (int) $new_end_date->format( 'U' ) - 1;
$new_end_date->setTimestamp( $new_end_date_timestamp );
}
} else {
// ORDER BY date DESC.
$new_end_date = $query_args['before'];
$intervals_to_skip = ( $query_args['page'] - 1 ) * $params['per_page'];
$earliest_start_date = $query_args['after'];
for ( $i = 0; $i < $intervals_to_skip; $i++ ) {
if ( $new_end_date < $earliest_start_date ) {
$new_end_date = $earliest_start_date;
$end_iteration = 0;
break;
}
$new_end_date = TimeInterval::iterate( $new_end_date, $query_args['interval'], true );
$end_iteration ++;
}
$new_start_date = clone $new_end_date;
for ( $i = 0; $i < $params['per_page']; $i++ ) {
if ( $new_start_date < $earliest_start_date ) {
break;
}
$new_start_date = TimeInterval::iterate( $new_start_date, $query_args['interval'], true );
$start_iteration ++;
}
if ( $new_start_date < $earliest_start_date ) {
$new_start_date = $earliest_start_date;
$start_iteration = 0;
}
if ( $start_iteration ) {
// @todo Is this correct? should it only be added if iterate runs? other two iterate instances, too?
$new_start_date_timestamp = (int) $new_start_date->format( 'U' ) + 1;
$new_start_date->setTimestamp( $new_start_date_timestamp );
}
}
// @todo - Do this without modifying $query_args?
$query_args['adj_after'] = $new_start_date;
$query_args['adj_before'] = $new_end_date;
$adj_after = $new_start_date->format( TimeInterval::$sql_datetime_format );
$adj_before = $new_end_date->format( TimeInterval::$sql_datetime_format );
$this->interval_query->clear_sql_clause( array( 'where_time', 'limit' ) );
$this->interval_query->add_sql_clause( 'where_time', "AND {$table_name}.date_created <= '$adj_before'" );
$this->interval_query->add_sql_clause( 'where_time', "AND {$table_name}.date_created >= '$adj_after'" );
$this->clear_sql_clause( 'limit' );
$this->add_sql_clause( 'limit', 'LIMIT 0,' . $params['per_page'] );
} else {
if ( 'asc' === $query_args['order'] ) {
$offset = ( ( $query_args['page'] - 1 ) * $params['per_page'] ) - ( $expected_interval_count - $db_interval_count );
$offset = $offset < 0 ? 0 : $offset;
$count = $query_args['page'] * $params['per_page'] - ( $expected_interval_count - $db_interval_count );
if ( $count < 0 ) {
$count = 0;
} elseif ( $count > $params['per_page'] ) {
$count = $params['per_page'];
}
$this->clear_sql_clause( 'limit' );
$this->add_sql_clause( 'limit', 'LIMIT ' . $offset . ',' . $count );
}
// Otherwise no change in limit clause.
// @todo - Do this without modifying $query_args?
$query_args['adj_after'] = $query_args['after'];
$query_args['adj_before'] = $query_args['before'];
}
}
/**
* Casts strings returned from the database to appropriate data types for output.
*
* @param array $array Associative array of values extracted from the database.
* @return array|WP_Error
*/
protected function cast_numbers( $array ) {
$retyped_array = array();
$column_types = apply_filters( 'kkart_rest_reports_column_types', $this->column_types, $array );
foreach ( $array as $column_name => $value ) {
if ( is_array( $value ) ) {
$value = $this->cast_numbers( $value );
}
if ( isset( $column_types[ $column_name ] ) ) {
$retyped_array[ $column_name ] = $column_types[ $column_name ]( $value );
} else {
$retyped_array[ $column_name ] = $value;
}
}
return $retyped_array;
}
/**
* Returns a list of columns selected by the query_args formatted as a comma separated string.
*
* @param array $query_args User-supplied options.
* @return string
*/
protected function selected_columns( $query_args ) {
$selections = $this->report_columns;
if ( isset( $query_args['fields'] ) && is_array( $query_args['fields'] ) ) {
$keep = array();
foreach ( $query_args['fields'] as $field ) {
if ( isset( $selections[ $field ] ) ) {
$keep[ $field ] = $selections[ $field ];
}
}
$selections = implode( ', ', $keep );
} else {
$selections = implode( ', ', $selections );
}
return $selections;
}
/**
* Get the excluded order statuses used when calculating reports.
*
* @return array
*/
protected static function get_excluded_report_order_statuses() {
$excluded_statuses = \KKART_Admin_Settings::get_option( 'kkart_excluded_report_order_statuses', array( 'pending', 'failed', 'cancelled' ) );
$excluded_statuses = array_merge( array( 'trash' ), $excluded_statuses );
return apply_filters( 'kkart_analytics_excluded_order_statuses', $excluded_statuses );
}
/**
* Maps order status provided by the user to the one used in the database.
*
* @param string $status Order status.
* @return string
*/
protected static function normalize_order_status( $status ) {
$status = trim( $status );
return 'kkart-' . $status;
}
/**
* Normalizes order_by clause to match to SQL query.
*
* @param string $order_by Order by option requeste by user.
* @return string
*/
protected function normalize_order_by( $order_by ) {
if ( 'date' === $order_by ) {
return 'time_interval';
}
return $order_by;
}
/**
* Updates start and end dates for intervals so that they represent intervals' borders, not times when data in db were recorded.
*
* E.g. if there are db records for only Tuesday and Thursday this week, the actual week interval is [Mon, Sun], not [Tue, Thu].
*
* @param DateTime $start_datetime Start date.
* @param DateTime $end_datetime End date.
* @param string $time_interval Time interval, e.g. day, week, month.
* @param array $intervals Array of intervals extracted from SQL db.
*/
protected function update_interval_boundary_dates( $start_datetime, $end_datetime, $time_interval, &$intervals ) {
$local_tz = new \DateTimeZone( kkart_timezone_string() );
foreach ( $intervals as $key => $interval ) {
$datetime = new \DateTime( $interval['datetime_anchor'], $local_tz );
$prev_start = TimeInterval::iterate( $datetime, $time_interval, true );
// @todo Not sure if the +1/-1 here are correct, especially as they are applied before the ?: below.
$prev_start_timestamp = (int) $prev_start->format( 'U' ) + 1;
$prev_start->setTimestamp( $prev_start_timestamp );
if ( $start_datetime ) {
$date_start = $prev_start < $start_datetime ? $start_datetime : $prev_start;
$intervals[ $key ]['date_start'] = $date_start->format( 'Y-m-d H:i:s' );
} else {
$intervals[ $key ]['date_start'] = $prev_start->format( 'Y-m-d H:i:s' );
}
$next_end = TimeInterval::iterate( $datetime, $time_interval );
$next_end_timestamp = (int) $next_end->format( 'U' ) - 1;
$next_end->setTimestamp( $next_end_timestamp );
if ( $end_datetime ) {
$date_end = $next_end > $end_datetime ? $end_datetime : $next_end;
$intervals[ $key ]['date_end'] = $date_end->format( 'Y-m-d H:i:s' );
} else {
$intervals[ $key ]['date_end'] = $next_end->format( 'Y-m-d H:i:s' );
}
$intervals[ $key ]['interval'] = $time_interval;
}
}
/**
* Change structure of intervals to form a correct response.
*
* Also converts local datetimes to GMT and adds them to the intervals.
*
* @param array $intervals Time interval, e.g. day, week, month.
*/
protected function create_interval_subtotals( &$intervals ) {
foreach ( $intervals as $key => $interval ) {
$start_gmt = TimeInterval::convert_local_datetime_to_gmt( $interval['date_start'] );
$end_gmt = TimeInterval::convert_local_datetime_to_gmt( $interval['date_end'] );
// Move intervals result to subtotals object.
$intervals[ $key ] = array(
'interval' => $interval['time_interval'],
'date_start' => $interval['date_start'],
'date_start_gmt' => $start_gmt->format( TimeInterval::$sql_datetime_format ),
'date_end' => $interval['date_end'],
'date_end_gmt' => $end_gmt->format( TimeInterval::$sql_datetime_format ),
);
unset( $interval['interval'] );
unset( $interval['date_start'] );
unset( $interval['date_end'] );
unset( $interval['datetime_anchor'] );
unset( $interval['time_interval'] );
$intervals[ $key ]['subtotals'] = (object) $this->cast_numbers( $interval );
}
}
/**
* Fills WHERE clause of SQL request with date-related constraints.
*
* @param array $query_args Parameters supplied by the user.
* @param string $table_name Name of the db table relevant for the date constraint.
*/
protected function add_time_period_sql_params( $query_args, $table_name ) {
$this->clear_sql_clause( array( 'from', 'where_time', 'where' ) );
if ( isset( $this->subquery ) ) {
$this->subquery->clear_sql_clause( 'where_time' );
}
if ( isset( $query_args['before'] ) && '' !== $query_args['before'] ) {
if ( is_a( $query_args['before'], 'KKART_DateTime' ) ) {
$datetime_str = $query_args['before']->date( TimeInterval::$sql_datetime_format );
} else {
$datetime_str = $query_args['before']->format( TimeInterval::$sql_datetime_format );
}
if ( isset( $this->subquery ) ) {
$this->subquery->add_sql_clause( 'where_time', "AND {$table_name}.date_created <= '$datetime_str'" );
} else {
$this->add_sql_clause( 'where_time', "AND {$table_name}.date_created <= '$datetime_str'" );
}
}
if ( isset( $query_args['after'] ) && '' !== $query_args['after'] ) {
if ( is_a( $query_args['after'], 'KKART_DateTime' ) ) {
$datetime_str = $query_args['after']->date( TimeInterval::$sql_datetime_format );
} else {
$datetime_str = $query_args['after']->format( TimeInterval::$sql_datetime_format );
}
if ( isset( $this->subquery ) ) {
$this->subquery->add_sql_clause( 'where_time', "AND {$table_name}.date_created >= '$datetime_str'" );
} else {
$this->add_sql_clause( 'where_time', "AND {$table_name}.date_created >= '$datetime_str'" );
}
}
}
/**
* Fills LIMIT clause of SQL request based on user supplied parameters.
*
* @param array $query_args Parameters supplied by the user.
* @return array
*/
protected function get_limit_sql_params( $query_args ) {
$params = $this->get_limit_params( $query_args );
$this->clear_sql_clause( 'limit' );
$this->add_sql_clause( 'limit', "LIMIT {$params['offset']}, {$params['per_page']}" );
return $params;
}
/**
* Fills LIMIT parameters of SQL request based on user supplied parameters.
*
* @param array $query_args Parameters supplied by the user.
* @return array
*/
protected function get_limit_params( $query_args = array() ) {
if ( isset( $query_args['per_page'] ) && is_numeric( $query_args['per_page'] ) ) {
$this->limit_parameters['per_page'] = (int) $query_args['per_page'];
} else {
$this->limit_parameters['per_page'] = get_option( 'posts_per_page' );
}
$this->limit_parameters['offset'] = 0;
if ( isset( $query_args['page'] ) ) {
$this->limit_parameters['offset'] = ( (int) $query_args['page'] - 1 ) * $this->limit_parameters['per_page'];
}
return $this->limit_parameters;
}
/**
* Generates a virtual table given a list of IDs.
*
* @param array $ids Array of IDs.
* @param array $id_field Name of the ID field.
* @param array $other_values Other values that must be contained in the virtual table.
* @return array
*/
protected function get_ids_table( $ids, $id_field, $other_values = array() ) {
$selects = array();
foreach ( $ids as $id ) {
$new_select = "SELECT {$id} AS {$id_field}";
foreach ( $other_values as $key => $value ) {
$new_select .= ", {$value} AS {$key}";
}
array_push( $selects, $new_select );
}
return join( ' UNION ', $selects );
}
/**
* Returns a comma separated list of the fields in the `query_args`, if there aren't, returns `report_columns` keys.
*
* @param array $query_args Parameters supplied by the user.
* @return array
*/
protected function get_fields( $query_args ) {
if ( isset( $query_args['fields'] ) && is_array( $query_args['fields'] ) ) {
return $query_args['fields'];
}
return array_keys( $this->report_columns );
}
/**
* Returns a comma separated list of the field names prepared to be used for a selection after a join with `default_results`.
*
* @param array $fields Array of fields name.
* @param array $default_results_fields Fields to load from `default_results` table.
* @param array $outer_selections Array of fields that are not selected in the inner query.
* @return string
*/
protected function format_join_selections( $fields, $default_results_fields, $outer_selections = array() ) {
foreach ( $fields as $i => $field ) {
foreach ( $default_results_fields as $default_results_field ) {
if ( $field === $default_results_field ) {
$fields[ $i ] = "default_results.{$field} AS {$field}";
}
}
if ( in_array( $field, $outer_selections, true ) && array_key_exists( $field, $this->report_columns ) ) {
$fields[ $i ] = $this->report_columns[ $field ];
}
}
return implode( ', ', $fields );
}
/**
* Fills ORDER BY clause of SQL request based on user supplied parameters.
*
* @param array $query_args Parameters supplied by the user.
*/
protected function add_order_by_sql_params( $query_args ) {
if ( isset( $query_args['orderby'] ) ) {
$order_by_clause = $this->normalize_order_by( $query_args['orderby'] );
} else {
$order_by_clause = '';
}
$this->clear_sql_clause( 'order_by' );
$this->add_sql_clause( 'order_by', $order_by_clause );
$this->add_orderby_order_clause( $query_args, $this );
}
/**
* Fills FROM and WHERE clauses of SQL request for 'Intervals' section of data response based on user supplied parameters.
*
* @param array $query_args Parameters supplied by the user.
* @param string $table_name Name of the db table relevant for the date constraint.
*/
protected function add_intervals_sql_params( $query_args, $table_name ) {
$this->clear_sql_clause( array( 'from', 'where_time', 'where' ) );
$this->add_time_period_sql_params( $query_args, $table_name );
if ( isset( $query_args['interval'] ) && '' !== $query_args['interval'] ) {
$interval = $query_args['interval'];
$this->clear_sql_clause( 'select' );
$this->add_sql_clause( 'select', TimeInterval::db_datetime_format( $interval, $table_name ) );
}
}
/**
* Get join and where clauses for refunds based on user supplied parameters.
*
* @param array $query_args Parameters supplied by the user.
* @return array
*/
protected function get_refund_subquery( $query_args ) {
global $wpdb;
$table_name = $wpdb->prefix . 'kkart_order_stats';
$sql_query = array(
'where_clause' => '',
'from_clause' => '',
);
if ( ! isset( $query_args['refunds'] ) ) {
return $sql_query;
}
if ( 'all' === $query_args['refunds'] ) {
$sql_query['where_clause'] .= 'parent_id != 0';
}
if ( 'none' === $query_args['refunds'] ) {
$sql_query['where_clause'] .= 'parent_id = 0';
}
if ( 'full' === $query_args['refunds'] || 'partial' === $query_args['refunds'] ) {
$operator = 'full' === $query_args['refunds'] ? '=' : '!=';
$sql_query['from_clause'] .= " JOIN {$table_name} parent_order_stats ON {$table_name}.parent_id = parent_order_stats.order_id";
$sql_query['where_clause'] .= "parent_order_stats.status {$operator} '{$this->normalize_order_status( 'refunded' )}'";
}
return $sql_query;
}
/**
* Returns an array of products belonging to given categories.
*
* @param array $categories List of categories IDs.
* @return array|stdClass
*/
protected function get_products_by_cat_ids( $categories ) {
$terms = get_terms(
array(
'taxonomy' => 'product_cat',
'include' => $categories,
)
);
if ( is_wp_error( $terms ) || empty( $terms ) ) {
return array();
}
$args = array(
'category' => kkart_list_pluck( $terms, 'slug' ),
'limit' => -1,
'return' => 'ids',
);
return kkart_get_products( $args );
}
/**
* Get WHERE filter by object ids subquery.
*
* @param string $select_table Select table name.
* @param string $select_field Select table object ID field name.
* @param string $filter_table Lookup table name.
* @param string $filter_field Lookup table object ID field name.
* @param string $compare Comparison string (IN|NOT IN).
* @param string $id_list Comma separated ID list.
*
* @return string
*/
protected function get_object_where_filter( $select_table, $select_field, $filter_table, $filter_field, $compare, $id_list ) {
global $wpdb;
if ( empty( $id_list ) ) {
return '';
}
$lookup_name = isset( $wpdb->$filter_table ) ? $wpdb->$filter_table : $wpdb->prefix . $filter_table;
return " {$select_table}.{$select_field} {$compare} (
SELECT
DISTINCT {$filter_table}.{$select_field}
FROM
{$filter_table}
WHERE
{$filter_table}.{$filter_field} IN ({$id_list})
)";
}
/**
* Returns an array of ids of allowed products, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return array
*/
protected function get_included_products_array( $query_args ) {
$included_products = array();
$operator = $this->get_match_operator( $query_args );
if ( isset( $query_args['category_includes'] ) && is_array( $query_args['category_includes'] ) && count( $query_args['category_includes'] ) > 0 ) {
$included_products = $this->get_products_by_cat_ids( $query_args['category_includes'] );
// If no products were found in the specified categories, we will force an empty set
// by matching a product ID of -1, unless the filters are OR/any and products are specified.
if ( empty( $included_products ) ) {
$included_products = array( '-1' );
}
}
if ( isset( $query_args['product_includes'] ) && is_array( $query_args['product_includes'] ) && count( $query_args['product_includes'] ) > 0 ) {
if ( count( $included_products ) > 0 ) {
if ( 'AND' === $operator ) {
// AND results in an intersection between products from selected categories and manually included products.
$included_products = array_intersect( $included_products, $query_args['product_includes'] );
} elseif ( 'OR' === $operator ) {
// OR results in a union of products from selected categories and manually included products.
$included_products = array_merge( $included_products, $query_args['product_includes'] );
}
} else {
$included_products = $query_args['product_includes'];
}
}
return $included_products;
}
/**
* Returns comma separated ids of allowed products, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_included_products( $query_args ) {
$included_products = $this->get_included_products_array( $query_args );
return implode( ',', $included_products );
}
/**
* Returns comma separated ids of allowed variations, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_included_variations( $query_args ) {
return $this->get_filtered_ids( $query_args, 'variation_includes' );
}
/**
* Returns comma separated ids of excluded variations, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_excluded_variations( $query_args ) {
return $this->get_filtered_ids( $query_args, 'variation_excludes' );
}
/**
* Returns an array of ids of disallowed products, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return array
*/
protected function get_excluded_products_array( $query_args ) {
$excluded_products = array();
$operator = $this->get_match_operator( $query_args );
if ( isset( $query_args['category_excludes'] ) && is_array( $query_args['category_excludes'] ) && count( $query_args['category_excludes'] ) > 0 ) {
$excluded_products = $this->get_products_by_cat_ids( $query_args['category_excludes'] );
}
if ( isset( $query_args['product_excludes'] ) && is_array( $query_args['product_excludes'] ) && count( $query_args['product_excludes'] ) > 0 ) {
$excluded_products = array_merge( $excluded_products, $query_args['product_excludes'] );
}
return $excluded_products;
}
/**
* Returns comma separated ids of excluded products, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_excluded_products( $query_args ) {
$excluded_products = $this->get_excluded_products_array( $query_args );
return implode( ',', $excluded_products );
}
/**
* Returns comma separated ids of included categories, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_included_categories( $query_args ) {
return $this->get_filtered_ids( $query_args, 'category_includes' );
}
/**
* Returns comma separated ids of included coupons, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @param string $field Field name in the parameter list.
* @return string
*/
protected function get_included_coupons( $query_args, $field = 'coupon_includes' ) {
return $this->get_filtered_ids( $query_args, $field );
}
/**
* Returns comma separated ids of excluded coupons, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_excluded_coupons( $query_args ) {
return $this->get_filtered_ids( $query_args, 'coupon_excludes' );
}
/**
* Returns comma separated ids of included orders, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_included_orders( $query_args ) {
return $this->get_filtered_ids( $query_args, 'order_includes' );
}
/**
* Returns comma separated ids of excluded orders, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_excluded_orders( $query_args ) {
return $this->get_filtered_ids( $query_args, 'order_excludes' );
}
/**
* Returns comma separated ids of included users, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_included_users( $query_args ) {
return $this->get_filtered_ids( $query_args, 'user_includes' );
}
/**
* Returns comma separated ids of excluded users, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_excluded_users( $query_args ) {
return $this->get_filtered_ids( $query_args, 'user_excludes' );
}
/**
* Returns order status subquery to be used in WHERE SQL query, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @param string $operator AND or OR, based on match query argument.
* @return string
*/
protected function get_status_subquery( $query_args, $operator = 'AND' ) {
global $wpdb;
$subqueries = array();
$excluded_statuses = array();
if ( isset( $query_args['status_is'] ) && is_array( $query_args['status_is'] ) && count( $query_args['status_is'] ) > 0 ) {
$allowed_statuses = array_map( array( $this, 'normalize_order_status' ), $query_args['status_is'] );
if ( $allowed_statuses ) {
$subqueries[] = "{$wpdb->prefix}kkart_order_stats.status IN ( '" . implode( "','", $allowed_statuses ) . "' )";
}
}
if ( isset( $query_args['status_is_not'] ) && is_array( $query_args['status_is_not'] ) && count( $query_args['status_is_not'] ) > 0 ) {
$excluded_statuses = array_map( array( $this, 'normalize_order_status' ), $query_args['status_is_not'] );
}
if ( ( ! isset( $query_args['status_is'] ) || empty( $query_args['status_is'] ) )
&& ( ! isset( $query_args['status_is_not'] ) || empty( $query_args['status_is_not'] ) )
) {
$excluded_statuses = array_map( array( $this, 'normalize_order_status' ), $this->get_excluded_report_order_statuses() );
}
if ( $excluded_statuses ) {
$subqueries[] = "{$wpdb->prefix}kkart_order_stats.status NOT IN ( '" . implode( "','", $excluded_statuses ) . "' )";
}
return implode( " $operator ", $subqueries );
}
/**
* Add order status SQL clauses if included in query.
*
* @param array $query_args Parameters supplied by the user.
* @param string $table_name Database table name.
* @param SqlQuery $sql_query Query object.
*/
protected function add_order_status_clause( $query_args, $table_name, &$sql_query ) {
global $wpdb;
$order_status_filter = $this->get_status_subquery( $query_args );
if ( $order_status_filter ) {
$sql_query->add_sql_clause( 'join', "JOIN {$wpdb->prefix}kkart_order_stats ON {$table_name}.order_id = {$wpdb->prefix}kkart_order_stats.order_id" );
$sql_query->add_sql_clause( 'where', "AND ( {$order_status_filter} )" );
}
}
/**
* Add order by SQL clause if included in query.
*
* @param array $query_args Parameters supplied by the user.
* @param SqlQuery $sql_query Query object.
* @return string Order by clause.
*/
protected function add_order_by_clause( $query_args, &$sql_query ) {
$order_by_clause = '';
$sql_query->clear_sql_clause( array( 'order_by' ) );
if ( isset( $query_args['orderby'] ) ) {
$order_by_clause = $this->normalize_order_by( $query_args['orderby'] );
$sql_query->add_sql_clause( 'order_by', $order_by_clause );
}
// Return ORDER BY clause to allow adding the sort field(s) to query via a JOIN.
return $order_by_clause;
}
/**
* Add order by order SQL clause.
*
* @param array $query_args Parameters supplied by the user.
* @param SqlQuery $sql_query Query object.
*/
protected function add_orderby_order_clause( $query_args, &$sql_query ) {
if ( isset( $query_args['order'] ) ) {
$sql_query->add_sql_clause( 'order_by', $query_args['order'] );
} else {
$sql_query->add_sql_clause( 'order_by', 'DESC' );
}
}
/**
* Returns customer subquery to be used in WHERE SQL query, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_customer_subquery( $query_args ) {
global $wpdb;
$customer_filter = '';
if ( isset( $query_args['customer'] ) ) {
if ( 'new' === strtolower( $query_args['customer'] ) ) {
$customer_filter = " {$wpdb->prefix}kkart_order_stats.returning_customer = 0";
} elseif ( 'returning' === strtolower( $query_args['customer'] ) ) {
$customer_filter = " {$wpdb->prefix}kkart_order_stats.returning_customer = 1";
}
}
return $customer_filter;
}
/**
* Returns product attribute subquery elements used in JOIN and WHERE clauses,
* based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @return array
*/
protected function get_attribute_subqueries( $query_args ) {
global $wpdb;
$sql_clauses = array(
'join' => array(),
'where' => array(),
);
$match_operator = $this->get_match_operator( $query_args );
$join_table = $wpdb->prefix . 'kkart_order_product_lookup';
$post_meta_comparators = array(
'=' => 'attribute_is',
'!=' => 'attribute_is_not',
);
foreach ( $post_meta_comparators as $comparator => $arg ) {
if ( ! isset( $query_args[ $arg ] ) || ! is_array( $query_args[ $arg ] ) ) {
continue;
}
foreach ( $query_args[ $arg ] as $attribute_term ) {
// We expect tuples of IDs.
if ( ! is_array( $attribute_term ) || 2 !== count( $attribute_term ) ) {
continue;
}
$attribute_id = intval( $attribute_term[0] );
$term_id = intval( $attribute_term[1] );
// Tuple, but non-numeric.
if ( 0 === $attribute_id || 0 === $term_id ) {
continue;
}
// @todo: Use kkart_get_attribute() instead ?
$attr_taxonomy = kkart_attribute_taxonomy_name_by_id( $attribute_id );
// Invalid attribute ID.
if ( empty( $attr_taxonomy ) ) {
continue;
}
$attr_term = get_term_by( 'id', $term_id, $attr_taxonomy );
// Invalid term ID.
if ( false === $attr_term ) {
continue;
}
$meta_key = kkart_variation_attribute_name( $attr_taxonomy );
$meta_value = $attr_term->slug;
$join_alias = 'wpm1';
// If we're matching all filters (AND), we'll need multiple JOINs on postmeta.
// If not, just one.
if ( 'AND' === $match_operator || empty( $sql_clauses['join'] ) ) {
$join_idx = count( $sql_clauses['join'] ) + 1;
$join_alias = 'wpm' . $join_idx;
$sql_clauses['join'][] = "JOIN {$wpdb->postmeta} as {$join_alias} ON {$join_alias}.post_id = {$join_table}.variation_id";
}
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$sql_clauses['where'][] = $wpdb->prepare( "( {$join_alias}.meta_key = %s AND {$join_alias}.meta_value {$comparator} %s )", $meta_key, $meta_value );
}
}
return $sql_clauses;
}
/**
* Returns logic operator for WHERE subclause based on 'match' query argument.
*
* @param array $query_args Parameters supplied by the user.
* @return string
*/
protected function get_match_operator( $query_args ) {
$operator = 'AND';
if ( ! isset( $query_args['match'] ) ) {
return $operator;
}
if ( 'all' === strtolower( $query_args['match'] ) ) {
$operator = 'AND';
} elseif ( 'any' === strtolower( $query_args['match'] ) ) {
$operator = 'OR';
}
return $operator;
}
/**
* Returns filtered comma separated ids, based on query arguments from the user.
*
* @param array $query_args Parameters supplied by the user.
* @param string $field Query field to filter.
* @param string $separator Field separator.
* @return string
*/
protected function get_filtered_ids( $query_args, $field, $separator = ',' ) {
$ids_str = '';
$ids = isset( $query_args[ $field ] ) && is_array( $query_args[ $field ] ) ? $query_args[ $field ] : array();
/**
* Filter the IDs before retrieving report data.
*
* Allows filtering of the objects included or excluded from reports.
*
* @param array $ids List of object Ids.
* @param array $query_args The original arguments for the request.
* @param string $field The object type.
* @param string $context The data store context.
*/
$ids = apply_filters( 'kkart_analytics_ ' . $field, $ids, $query_args, $field, $this->context );
if ( ! empty( $ids ) ) {
$ids_str = implode( $separator, $ids );
}
return $ids_str;
}
/**
* Assign report columns once full table name has been assigned.
*/
protected function assign_report_columns() {}
}
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