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<?php |
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/** |
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* Contains the class that downloads a single report. |
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* |
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* |
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*/ |
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defined( 'ABSPATH' ) || exit; |
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/** |
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* GetPaid_Graph_Downloader Class. |
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*/ |
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class GetPaid_Graph_Downloader { |
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/** |
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* @var GetPaid_Reports_Report |
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*/ |
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public $handler; |
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/** |
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* Class constructor. |
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* |
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*/ |
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public function __construct() { |
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$this->handler = new GetPaid_Reports_Report(); |
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} |
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/** |
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* Prepares the datastore handler. |
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* |
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* @return GetPaid_Reports_Report_Items|GetPaid_Reports_Report_Gateways|GetPaid_Reports_Report_Discounts |
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*/ |
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public function prepare_handler( $graph ) { |
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if ( empty( $this->handler->views[ $graph ] ) ) { |
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wp_die( __( 'Invalid Graph', 'invoicing' ), 400 ); |
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} |
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return new $this->handler->views[ $graph ]['class'](); |
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} |
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/** |
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* Prepares the output stream. |
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* |
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* @return resource |
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*/ |
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public function prepare_output() { |
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$output = fopen( 'php://output', 'w' ); |
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if ( false === $output ) { |
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wp_die( __( 'Unsupported server', 'invoicing' ), 500 ); |
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} |
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return $output; |
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} |
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/** |
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* Prepares the file type. |
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* |
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* @return string |
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*/ |
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public function prepare_file_type( $graph ) { |
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$file_type = empty( $_GET['file_type'] ) ? 'csv' : sanitize_text_field( $_GET['file_type'] ); |
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$file_name = "getpaid-$graph-" . current_time( 'Y-m-d' ); |
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header( "Content-Type:application/$file_type" ); |
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header( "Content-Disposition:attachment;filename=$file_name.$file_type" ); |
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return $file_type; |
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} |
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/** |
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* Handles the actual download. |
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* |
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*/ |
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public function download( $graph ) { |
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global $wpdb; |
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$handler = $this->prepare_handler( $graph ); |
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$stream = $this->prepare_output(); |
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$stats = $wpdb->get_results( $handler->get_sql( $handler->get_range() ) ); |
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$headers = array( $handler->field, 'total', 'total_raw' ); |
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$file_type = $this->prepare_file_type( $graph ); |
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if ( 'csv' == $file_type ) { |
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$this->download_csv( $stats, $stream, $headers ); |
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} else if( 'xml' == $file_type ) { |
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$this->download_xml( $stats, $stream, $headers ); |
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} else { |
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$this->download_json( $stats, $stream, $headers ); |
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} |
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fclose( $stream ); |
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exit; |
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} |
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/** |
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* Downloads graph as csv |
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* |
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* @param array $stats The stats being downloaded. |
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* @param resource $stream The stream to output to. |
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* @param array $headers The fields to stream. |
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* @since 1.0.19 |
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*/ |
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public function download_csv( $stats, $stream, $headers ) { |
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// Output the csv column headers. |
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fputcsv( $stream, $headers ); |
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// Loop through |
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foreach ( $stats as $stat ) { |
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$row = array_values( $this->prepare_row( $stat, $headers ) ); |
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fputcsv( $stream, $row ); |
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} |
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} |
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/** |
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* Downloads graph as json |
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* |
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* @param array $stats The stats being downloaded. |
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* @param resource $stream The stream to output to. |
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* @param array $headers The fields to stream. |
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* @since 1.0.19 |
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*/ |
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public function download_json( $stats, $stream, $headers ) { |
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$prepared = array(); |
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// Loop through |
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foreach ( $stats as $stat ) { |
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$prepared[] = $this->prepare_row( $stat, $headers ); |
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} |
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fwrite( $stream, wp_json_encode( $prepared ) ); |
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} |
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/** |
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* Downloads graph as xml |
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* |
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* @param array $stats The stats being downloaded. |
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* @param resource $stream The stream to output to. |
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* @param array $headers The fields to stream. |
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* @since 1.0.19 |
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*/ |
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public function download_xml( $stats, $stream, $headers ) { |
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$prepared = array(); |
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// Loop through |
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foreach ( $stats as $stat ) { |
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$prepared[] = $this->prepare_row( $stat, $headers ); |
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} |
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$xml = new SimpleXMLElement('<?xml version="1.0"?><data></data>'); |
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$this->convert_array_xml( $prepared, $xml ); |
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fwrite( $stream, $xml->asXML() ); |
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} |
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/** |
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* Converts stats array to xml |
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* |
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* @access public |
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* @since 1.0.19 |
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*/ |
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public function convert_array_xml( $data, $xml ) { |
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// Loop through |
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foreach ( $data as $key => $value ) { |
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$key = preg_replace( "/[^A-Za-z0-9_\-]/", '', $key ); |
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if ( is_array( $value ) ) { |
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if ( is_numeric( $key ) ){ |
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$key = 'item'.$key; //dealing with <0/>..<n/> issues |
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} |
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$subnode = $xml->addChild( $key ); |
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$this->convert_array_xml( $value, $subnode ); |
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} else { |
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$xml->addChild( $key, htmlspecialchars( $value ) ); |
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} |
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} |
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} |
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/** |
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* Prepares a single row for download. |
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* |
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* @param stdClass|array $row The row to prepare.. |
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* @param array $fields The fields to stream. |
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* @since 1.0.19 |
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* @return array |
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*/ |
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public function prepare_row( $row, $fields ) { |
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$prepared = array(); |
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$row = (array) $row; |
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foreach ( $fields as $field ) { |
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if ( $field === 'total' ) { |
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$prepared[ $field ] = html_entity_decode( strip_tags( wpinv_price( $row['total'] ) ), ENT_QUOTES ); |
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continue; |
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} |
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if ( $field === 'total_raw' ) { |
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$prepared[ $field ] = wpinv_round_amount( wpinv_sanitize_amount( $row['total'] ) ); |
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continue; |
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} |
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$prepared[ $field ] = strip_tags( $row[ $field ] ); |
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} |
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return $prepared; |
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} |
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} |
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AyeCode /
invoicing
Loading history...
If the returned type also contains false, it is an indicator that maybe an error condition leading to the specific return statement remains unhandled.