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Visualizer – Tables & Charts Manager with Built-in AI Generator / 3.10.2
Visualizer – Tables & Charts Manager with Built-in AI Generator v3.10.2
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visualizer / classes / Visualizer / Module.php

Module.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.10.2, at classes/Visualizer/Module.php

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1 <?php
2
3 // +----------------------------------------------------------------------+
4 // | Copyright 2013 Madpixels (email : visualizer@madpixels.net) |
5 // +----------------------------------------------------------------------+
6 // | This program is free software; you can redistribute it and/or modify |
7 // | it under the terms of the GNU General Public License, version 2, as |
8 // | published by the Free Software Foundation. |
9 // | |
10 // | This program is distributed in the hope that it will be useful, |
11 // | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 // | GNU General Public License for more details. |
14 // | |
15 // | You should have received a copy of the GNU General Public License |
16 // | along with this program; if not, write to the Free Software |
17 // | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
18 // | MA 02110-1301 USA |
19 // +----------------------------------------------------------------------+
20 // | Author: Eugene Manuilov <eugene@manuilov.org> |
21 // +----------------------------------------------------------------------+
22 /**
23 * Base class for all modules. Implements routine methods required by all modules.
24 *
25 * @category Visualizer
26 * @package Module
27 *
28 * @since 1.0.0
29 */
30 class Visualizer_Module {
31
32 /**
33 * The instance of wpdb class.
34 *
35 * @since 1.0.0
36 *
37 * @access protected
38 * @var wpdb
39 */
40 protected $_wpdb = null;
41
42 /**
43 * The plugin instance.
44 *
45 * @since 1.0.0
46 *
47 * @access protected
48 * @var Visualizer_Plugin
49 */
50 protected $_plugin = null;
51
52 /**
53 * Constructor.
54 *
55 * @since 1.0.0
56 * @global wpdb $wpdb Current database connection.
57 *
58 * @access public
59 * @param Visualizer_Plugin $plugin The instance of the plugin.
60 */
61 public function __construct( Visualizer_Plugin $plugin ) {
62 global $wpdb;
63
64 $this->_wpdb = $wpdb;
65 $this->_plugin = $plugin;
66
67 $this->_addFilter( Visualizer_Plugin::FILTER_UNDO_REVISIONS, 'undoRevisions', 10, 2 );
68 $this->_addFilter( Visualizer_Plugin::FILTER_HANDLE_REVISIONS, 'handleExistingRevisions', 10, 2 );
69 $this->_addFilter( Visualizer_Plugin::FILTER_GET_CHART_DATA_AS, 'getDataAs', 10, 3 );
70 $this->_addAction( 'pre_get_posts', 'PreGetPosts' );
71 register_shutdown_function( array($this, 'onShutdown') );
72
73 }
74
75 /**
76 * Register a shutdown hook to catch fatal errors.
77 *
78 * @since ?
79 *
80 * @access public
81 */
82 public function onShutdown() {
83 $error = error_get_last();
84 if ( $error && $error['type'] === E_ERROR && false !== strpos( $error['file'], 'Visualizer/' ) ) {
85 do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Critical error %s', print_r( $error, true ) ), 'error', __FILE__, __LINE__ );
86 }
87 }
88
89 /**
90 * Registers an action hook.
91 *
92 * @since 1.0.0
93 * @uses add_action() To register action hook.
94 *
95 * @access protected
96 * @param string $tag The name of the action to which the $method is hooked.
97 * @param string $method The name of the method to be called.
98 * @param bool $methodClass The root of the method.
99 * @param int $priority optional. Used to specify the order in which the functions associated with a particular action are executed (default: 10). Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action.
100 * @param int $accepted_args optional. The number of arguments the function accept (default 1).
101 * @return Visualizer_Module
102 */
103 protected function _addAction( $tag, $method, $methodClass = null, $priority = 10, $accepted_args = 1 ) {
104 add_action( $tag, array( $methodClass ? $methodClass : $this, $method ), $priority, $accepted_args );
105 return $this;
106 }
107
108 /**
109 * Registers AJAX action hook.
110 *
111 * @since 1.0.0
112 *
113 * @access public
114 * @param string $tag The name of the AJAX action to which the $method is hooked.
115 * @param string $method Optional. The name of the method to be called. If the name of the method is not provided, tag name will be used as method name.
116 * @param bool $methodClass The root of the method.
117 * @param boolean $private Optional. Determines if we should register hook for logged in users.
118 * @param boolean $public Optional. Determines if we should register hook for not logged in users.
119 * @return Visualizer_Module
120 */
121 protected function _addAjaxAction( $tag, $method = '', $methodClass = null, $private = true, $public = false ) {
122 if ( $private ) {
123 $this->_addAction( 'wp_ajax_' . $tag, $method, $methodClass );
124 }
125
126 if ( $public ) {
127 $this->_addAction( 'wp_ajax_nopriv_' . $tag, $method, $methodClass );
128 }
129
130 return $this;
131 }
132
133 /**
134 * Registers a filter hook.
135 *
136 * @since 1.0.0
137 * @uses add_filter() To register filter hook.
138 *
139 * @access protected
140 * @param string $tag The name of the filter to hook the $method to.
141 * @param type $method The name of the method to be called when the filter is applied.
142 * @param int $priority optional. Used to specify the order in which the functions associated with a particular action are executed (default: 10). Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action.
143 * @param int $accepted_args optional. The number of arguments the function accept (default 1).
144 * @return Visualizer_Module
145 */
146 protected function _addFilter( $tag, $method, $priority = 10, $accepted_args = 1 ) {
147 add_filter( $tag, array( $this, $method ), $priority, $accepted_args );
148 return $this;
149 }
150
151 /**
152 * Registers a hook for shortcode tag.
153 *
154 * @since 1.0.0
155 * @uses add_shortcode() To register shortcode hook.
156 *
157 * @access protected
158 * @param string $tag Shortcode tag to be searched in post content.
159 * @param string $method Hook to run when shortcode is found.
160 * @return Visualizer_Module
161 */
162 protected function _addShortcode( $tag, $method ) {
163 add_shortcode( $tag, array( $this, $method ) );
164 return $this;
165 }
166
167 /**
168 * A wrapper around the actual function _getDataAs. This function is invoked as a filter.
169 *
170 * @since 3.2.0
171 */
172 public function getDataAs( $final, $chart_id, $type ) {
173 return $this->_getDataAs( $chart_id, $type );
174 }
175
176 /**
177 * Extracts the data for a chart and prepares it for the given type.
178 *
179 * @access public
180 * @param int $chart_id The chart id.
181 * @param string $type The exported type.
182 */
183 public function _getDataAs( $chart_id, $type ) {
184 $final = null;
185 $success = false;
186 if ( $chart_id ) {
187 $chart = get_post( $chart_id );
188 $success = $chart && $chart->post_type === Visualizer_Plugin::CPT_VISUALIZER;
189 }
190 if ( $success ) {
191 $settings = get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true );
192 $rows = array();
193 $series = get_post_meta( $chart_id, Visualizer_Plugin::CF_SERIES, true );
194 $data = self::get_chart_data( $chart, $type, false );
195 if ( ! empty( $series ) ) {
196 $row = array();
197 foreach ( $series as $array ) {
198 $row[] = $array['label'];
199 }
200 $rows[] = $row;
201 $row = array();
202 foreach ( $series as $array ) {
203 $row[] = $array['type'];
204 }
205 $rows[] = $row;
206 }
207 if ( ! empty( $data ) ) {
208 foreach ( $data as $array ) {
209 // ignore strings
210 if ( ! is_array( $array ) ) {
211 continue;
212 }
213 // if this is an array of arrays...
214 if ( is_array( $array[0] ) ) {
215 foreach ( $array as $arr ) {
216 $rows[] = $arr;
217 }
218 } else {
219 // just an array
220 $rows[] = $array;
221 }
222 }
223 }
224
225 $title = 'visualizer#' . $chart_id;
226 if ( ! empty( $settings['title'] ) ) {
227 $title = $settings['title'];
228 }
229 // for ChartJS, title is an array.
230 if ( is_array( $title ) && isset( $title['text'] ) ) {
231 $title = $title['text'];
232 }
233 if ( empty( $title ) ) {
234 $title = 'visualizer#' . $chart_id;
235 }
236
237 $filename = $title;
238
239 switch ( $type ) {
240 case 'csv':
241 $final = $this->_getCSV( $rows, $filename, false );
242 break;
243 case 'csv-display':
244 $final = $this->_getCSV( $rows, $filename, true );
245 break;
246 case 'xls':
247 $final = $this->_getExcel( $rows, $filename );
248 break;
249 case 'print':
250 $final = $this->_getHTML( $rows );
251 break;
252 case 'image':
253 $final = $this->_getImage( $chart );
254 break;
255 }
256 }
257 return $final;
258 }
259
260 /**
261 * Prepares a CSV.
262 *
263 * @access private
264 * @param array $rows The array of data.
265 * @param string $filename The name of the file to use.
266 * @param bool $enclose Enclose strings that have commas in them in double quotes.
267 */
268 private function _getCSV( $rows, $filename, $enclose ) {
269 $filename .= '.csv';
270
271 $bom = chr( 0xEF ) . chr( 0xBB ) . chr( 0xBF );
272 // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
273 $fp = function_exists( 'tmpfile' ) ? @tmpfile() : null;
274 if ( null === $fp ) {
275 if ( ! function_exists( 'wp_tempnam' ) ) {
276 require_once ABSPATH . 'wp-admin/includes/file.php';
277 }
278 $fp = fopen( wp_tempnam(), 'w+' );
279 }
280 if ( ! apply_filters( 'vizualizer_export_include_series_type', true ) ) {
281 unset( $rows[1] );
282 $rows = array_values( $rows );
283 }
284 // support for MS Excel
285 fprintf( $fp, $bom );
286 foreach ( $rows as $row ) {
287 fputcsv( $fp, $row );
288 }
289 rewind( $fp );
290 $csv = '';
291 // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.FoundInWhileCondition
292 while ( ( $array = fgetcsv( $fp ) ) !== false ) {
293 if ( strlen( $csv ) > 0 ) {
294 $csv .= PHP_EOL;
295 }
296 // if enclosure is required, check every item of this line
297 // if a comma exists in the item, add enclosure.
298 if ( $enclose ) {
299 $temp_array = array();
300 foreach ( $array as $item ) {
301 if ( strpos( $item, ',' ) !== false ) {
302 $item = VISUALIZER_CSV_ENCLOSURE . $item . VISUALIZER_CSV_ENCLOSURE;
303 }
304 $temp_array[] = $item;
305 }
306 $array = $temp_array;
307 }
308 $csv .= implode( ',', $array );
309 }
310 fclose( $fp );
311
312 return array(
313 'csv' => $csv,
314 'name' => $filename,
315 'string' => str_replace( $bom, '', $csv ),
316 );
317 }
318
319 /**
320 * Prepares an Excel file.
321 *
322 * @access private
323 * @param array $rows The array of data.
324 * @param string $filename The name of the file to use.
325 */
326 private function _getExcel( $rows, $filename ) {
327 // PHPExcel did not like sheet names longer than 31 characters and we will assume the same with PhpSpreadsheet
328 $chart = substr( $filename, 0, 30 );
329 $filename .= '.xlsx';
330 if ( ! apply_filters( 'vizualizer_export_include_series_type', true ) ) {
331 unset( $rows[1] );
332 $rows = array_values( $rows );
333 $rows = array_map(
334 function( $r ) {
335 return array_map( 'strval', $r );
336 },
337 $rows
338 );
339 }
340 $vendor_file = VISUALIZER_ABSPATH . '/vendor/autoload.php';
341 if ( is_readable( $vendor_file ) ) {
342 include_once( $vendor_file );
343 }
344 $xlsData = '';
345 if ( class_exists( 'PhpOffice\PhpSpreadsheet\Spreadsheet' ) ) {
346 $doc = new PhpOffice\PhpSpreadsheet\Spreadsheet();
347 $doc->getActiveSheet()->fromArray( $rows, null, 'A1' );
348 $doc->getActiveSheet()->setTitle( sanitize_title( $chart ) );
349 $doc = apply_filters( 'visualizer_excel_doc', $doc );
350 $writer = PhpOffice\PhpSpreadsheet\IOFactory::createWriter( $doc, 'Xlsx' );
351 ob_start();
352 $writer->save( 'php://output' );
353 $xlsData = ob_get_contents();
354 ob_end_clean();
355 } else {
356 do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, 'Class PhpOffice\PhpSpreadsheet\Spreadsheet does not exist!', 'error', __FILE__, __LINE__ );
357 error_log( 'Class PhpOffice\PhpSpreadsheet\Spreadsheet does not exist!' );
358 }
359 return array(
360 'csv' => 'data:application/vnd.ms-excel;base64,' . base64_encode( $xlsData ),
361 'name' => $filename,
362 'raw' => base64_encode( $xlsData ),
363 );
364 }
365
366 /**
367 * Prepares an HTML table.
368 *
369 * @access private
370 * @param array $rows The array of data.
371 */
372 private function _getHTML( $rows ) {
373 $css = '
374 table.visualizer-print {
375 border-collapse: collapse;
376 }
377 table.visualizer-print, table.visualizer-print th, table.visualizer-print td {
378 border: 1px solid #000;
379 }
380 ';
381 $html = '';
382 $html .= '
383 <html>
384 <head>
385 <style>
386 ' . apply_filters( 'visualizer_print_css', $css ) . '
387 </style>
388 </head>
389 <body>';
390
391 $table = '<table class="visualizer-print">';
392 $index = 0;
393 foreach ( $rows as $row ) {
394 // skip the data type row.
395 if ( 1 === $index ) {
396 $index++;
397 continue;
398 }
399
400 $table .= '<tr>';
401 foreach ( $row as $col ) {
402 if ( $index === 0 ) {
403 $table .= '<th>' . $col . '</th>';
404 } else {
405 $table .= '<td>' . $col . '</td>';
406 }
407 }
408 $table .= '</tr>';
409 $index++;
410 }
411 $table .= '</table>';
412
413 $html .= apply_filters( 'visualizer_print_table', $table ) . '
414 </body>
415 </html>';
416 return array(
417 'csv' => $html,
418 );
419 }
420
421 /**
422 * Disable revisions temporarily for visualizer post type.
423 */
424 protected final function disableRevisionsTemporarily() {
425 add_filter(
426 'wp_revisions_to_keep', function( $num, $post ) {
427 if ( $post->post_type === Visualizer_Plugin::CPT_VISUALIZER ) {
428 return 0;
429 }
430 return $num;
431 }, 10, 2
432 );
433 }
434
435 /**
436 * Undo revisions for the chart, and if necessary, restore the earliest version.
437 *
438 * @return bool If any revisions were found.
439 */
440 public final function undoRevisions( $chart_id, $restore = false ) {
441 do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'undoRevisions for %d with%s restore', $chart_id, ( $restore ? '' : 'out' ) ), 'debug', __FILE__, __LINE__ );
442 if ( get_post_type( $chart_id ) !== Visualizer_Plugin::CPT_VISUALIZER ) {
443 return false;
444 }
445 $revisions = wp_get_post_revisions( $chart_id, array( 'order' => 'ASC' ) );
446 if ( count( $revisions ) > 1 ) {
447 $revision_ids = array_keys( $revisions );
448
449 do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'found %d revisions = %s', count( $revisions ), print_r( $revision_ids, true ) ), 'debug', __FILE__, __LINE__ );
450
451 // when we restore, a new revision is likely to be created. so, let's disable revisions for the time being.
452 $this->disableRevisionsTemporarily();
453
454 if ( $restore ) {
455 // restore to the oldest one i.e. the first one.
456 wp_restore_post_revision( array_shift( $revision_ids ) );
457 }
458
459 // delete all revisions.
460 foreach ( $revision_ids as $id ) {
461 wp_delete_post_revision( $id );
462 }
463
464 return true;
465 }
466 return false;
467 }
468
469 /**
470 * If existing revisions exist for the chart, restore the earliest version and then create a new revision to initiate editing.
471 */
472 public final function handleExistingRevisions( $chart_id, $chart ) {
473
474 do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'handleExistingRevisions for %d', $chart_id ), 'debug', __FILE__, __LINE__ );
475 if ( get_post_type( $chart_id ) !== Visualizer_Plugin::CPT_VISUALIZER ) {
476 return $chart_id;
477 }
478 // undo revisions.
479 $revisions_found = $this->undoRevisions( $chart_id, true );
480
481 // create revision for the edit action.
482 wp_save_post_revision( $chart_id );
483
484 if ( $revisions_found ) {
485 // fetch chart data again in case it was updated by an earlier revision.
486 $chart = get_post( $chart_id );
487 }
488 return $chart;
489 }
490
491 /**
492 * Returns the language of the locale.
493 *
494 * @access protected
495 */
496 protected function get_language() {
497 $locale = get_locale();
498 if ( empty( $locale ) ) {
499 return '';
500 }
501 $array = explode( '_', $locale );
502 if ( count( $array ) < 2 ) {
503 return '';
504 }
505 return reset( $array );
506 }
507
508 /**
509 * Gets/creates the JS where user-specific customizations can be/have been added.
510 */
511 protected function get_user_customization_js() {
512 // use this as the JS file in case we are not able to create the file in uploads.
513 $default = VISUALIZER_ABSURL . 'js/customization.js';
514
515 $uploads = wp_get_upload_dir();
516 $specific = $uploads['baseurl'] . '/visualizer/customization.js';
517
518 // for testing on user sites (before we send them the correctly customized file).
519 if ( VISUALIZER_TEST_JS_CUSTOMIZATION ) {
520 return $default;
521 }
522
523 require_once( ABSPATH . 'wp-admin/includes/file.php' );
524 WP_Filesystem();
525 global $wp_filesystem;
526
527 $multisite_arg = '/';
528 if ( is_multisite() && ! is_main_site() ) {
529 $multisite_arg = '/sites/' . get_current_blog_id() . '/';
530 }
531
532 $dir = $wp_filesystem->wp_content_dir() . 'uploads' . $multisite_arg . 'visualizer';
533 $file = $wp_filesystem->wp_content_dir() . 'uploads' . $multisite_arg . 'visualizer/customization.js';
534
535 if ( $wp_filesystem->is_readable( $file ) ) {
536 return $specific;
537 }
538
539 if ( $wp_filesystem->exists( $file ) && ! $wp_filesystem->is_readable( $file ) ) {
540 do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to read file %s', $file ), 'error', __FILE__, __LINE__ );
541 return $default;
542 }
543
544 if ( ! $wp_filesystem->exists( $dir ) ) {
545 // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found
546 if ( ( $done = $wp_filesystem->mkdir( $dir ) ) === false ) {
547 do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to create directory %s', $dir ), 'error', __FILE__, __LINE__ );
548 return $default;
549 }
550 }
551
552 // if file does not exist, copy.
553 if ( ! $wp_filesystem->exists( $file ) ) {
554 $src = str_replace( ABSPATH, $wp_filesystem->abspath(), VISUALIZER_ABSPATH . '/js/customization.js' );
555 // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found
556 if ( ( $done = $wp_filesystem->copy( $src, $file ) ) === false ) {
557 do_action( 'themeisle_log_event', Visualizer_Plugin::NAME, sprintf( 'Unable to copy file %s to %s', $src, $file ), 'error', __FILE__, __LINE__ );
558 return $default;
559 }
560 }
561
562 return $specific;
563 }
564
565 /**
566 * Load the class for the given chart's chart type so that its assets can be loaded.
567 */
568 protected function load_chart_type( $chart_id ) {
569 $name = $this->load_chart_class_name( $chart_id );
570 $class = null;
571 if ( class_exists( $name ) || true === apply_filters( 'visualizer_load_chart', false, $name ) ) {
572 if ( 'Visualizer_Render_Sidebar_Type_DataTable_DataTable' === $name ) {
573 $name = 'Visualizer_Render_Sidebar_Type_DataTable_Tabular';
574 }
575 $class = new $name;
576 }
577
578 if ( is_null( $class ) && Visualizer_Module::is_pro() ) {
579 // lets see if this type exists in pro. New Lite(3.1.0+) & old Pro(1.8.0-).
580 $type = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true );
581 $class = apply_filters( 'visualizer_pro_chart_type_sidebar', null, array( 'id' => $chart_id, 'type' => $type, 'settings' => get_post_meta( $chart_id, Visualizer_Plugin::CF_SETTINGS, true ) ) );
582 }
583
584 return is_null( $class ) ? null : $class->getLibrary();
585 }
586
587 /**
588 * Returns the class name for the given chart's chart type.
589 */
590 protected function load_chart_class_name( $chart_id ) {
591 $type = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_TYPE, true );
592 $lib = get_post_meta( $chart_id, Visualizer_Plugin::CF_CHART_LIBRARY, true );
593
594 // backward compatibility.
595 if ( empty( $lib ) ) {
596 $lib = 'GoogleCharts';
597 if ( 'dataTable' === $type ) {
598 $lib = 'DataTable';
599 }
600 }
601 $name = 'Visualizer_Render_Sidebar_Type_' . $lib . '_' . ucwords( $type );
602 return $name;
603 }
604
605 /**
606 * Generates the inline CSS to apply to the chart and adds these classes to the settings.
607 *
608 * @access public
609 * @param int $id The id of the chart.
610 * @param array $settings The settings of the chart.
611 */
612 protected function get_inline_custom_css( $id, $settings ) {
613 $css = '';
614
615 $classes = array();
616 $css = '<style type="text/css" name="visualizer-custom-css" id="customcss-' . $id . '">';
617 if ( ! empty( $settings['customcss'] ) ) {
618 foreach ( $settings['customcss'] as $name => $element ) {
619 $attributes = array();
620 foreach ( $element as $property => $value ) {
621 $attributes[] = $this->handle_css_property( $property, $value );
622 }
623 $class_name = $id . $name;
624 $properties = implode( ' !important; ', array_filter( $attributes ) );
625 if ( ! empty( $properties ) ) {
626 $css .= '.' . $class_name . ' {' . $properties . ' !important;}';
627 $classes[ $name ] = $class_name;
628 }
629 }
630 $settings['cssClassNames'] = $classes;
631 }
632
633 $img_path = VISUALIZER_ABSURL . 'images';
634 $css .= ".locker,.locker-loader{position:absolute;top:0;left:0;width:100%;height:100%}.locker{z-index:1000;opacity:.8;background-color:#fff;-ms-filter:\"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)\";filter:alpha(opacity=80)}.locker-loader{z-index:1001;background:url($img_path/ajax-loader.gif) no-repeat center center}.dt-button{display:none!important}.visualizer-front-container.visualizer-lazy-render{content-visibility: auto;}.google-visualization-controls-categoryfilter label.google-visualization-controls-label {vertical-align: middle;}.google-visualization-controls-categoryfilter li.goog-inline-block {margin: 0 0.2em;}.google-visualization-controls-categoryfilter li {padding: 0 0.2em;}.visualizer-front-container .dataTables_scrollHeadInner{margin: 0 auto;}";
635 $css .= '</style>';
636
637 $arguments = array( $css, $settings );
638 apply_filters_ref_array( 'visualizer_inline_css', array( &$arguments ) );
639
640 return $arguments;
641 }
642
643 /**
644 * Handles CSS properties that might need special syntax.
645 *
646 * @access private
647 * @param string $property The name of the css property.
648 * @param string $value The value of the css property.
649 */
650 private function handle_css_property( $property, $value ) {
651 if ( empty( $property ) || empty( $value ) ) {
652 return '';
653 }
654
655 switch ( $property ) {
656 case 'transform':
657 $value = 'rotate(' . $value . 'deg)';
658 break;
659 }
660 return $property . ': ' . $value;
661 }
662
663 /**
664 * Determines if charts have been created of the particular chart type.
665 */
666 protected static function hasChartType( $type ) {
667 $args = array(
668 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
669 'fields' => 'ids',
670 'post_status' => 'publish',
671 'meta_query' => array(
672 array(
673 'key' => Visualizer_Plugin::CF_CHART_TYPE,
674 'value' => $type,
675 ),
676 ),
677 );
678
679 $q = new WP_Query( $args );
680 return $q->found_posts > 0;
681 }
682
683 /**
684 * Determines how many charts have been created.
685 */
686 protected static function numberOfCharts() {
687 $args = array(
688 'post_type' => Visualizer_Plugin::CPT_VISUALIZER,
689 'fields' => 'ids',
690 'post_status' => 'publish',
691 'posts_per_page' => 300,
692 );
693
694 $q = new WP_Query( $args );
695 return $q->found_posts;
696 }
697
698 /**
699 * Checks if the PRO version is active.
700 *
701 * @since 3.3.0
702 */
703 public static function is_pro() {
704 // versions of pro before 1.9.0 will use the constant VISUALIZER_PRO
705 // versions of pro 1.9.0 onwards will use the filter
706 return apply_filters( 'visualizer_is_pro', VISUALIZER_PRO );
707 }
708
709 /**
710 * Checks if the PRO version is older than a particular version.
711 *
712 * @since 3.3.0
713 */
714 public static function is_pro_older_than( $version ) {
715 return version_compare( VISUALIZER_PRO_VERSION, $version, '<' );
716 }
717
718 /**
719 * Should we show some specific feature on the basis of the version?
720 *
721 * @since 3.4.0
722 */
723 public static function can_show_feature( $feature ) {
724 switch ( $feature ) {
725 case 'simple-editor':
726 // if user has pro but an older version, then don't load the simple editor functionality
727 // as the select box will not behave as expected because the pro editor's functionality will supercede.
728 return ! Visualizer_Module::is_pro() || ! Visualizer_Module::is_pro_older_than( '1.9.2' );
729 }
730 return false;
731 }
732
733 /**
734 * Gets the features for the provided license type.
735 */
736 public static final function get_features_for_license( $plan ) {
737 switch ( $plan ) {
738 case 1:
739 return array( 'import-wp', 'db-query', 'import-wc-report' );
740 case 2:
741 return array( 'schedule-chart', 'chart-permissions' );
742 }
743 }
744
745 /**
746 * Gets the chart content after common manipulations.
747 */
748 public static function get_chart_data( $chart, $type, $run_filter = true ) {
749 // change HTML entities
750 $post_content = html_entity_decode( htmlentities( $chart->post_content ) );
751 $post_content = preg_replace_callback(
752 '!s:(\d+):"(.*?)";!s',
753 function ( $matches ) {
754 if ( isset( $matches[2] ) ) {
755 return 's:' . strlen( $matches[2] ) . ':"' . $matches[2] . '";';
756 }
757 },
758 $post_content
759 );
760 $data = unserialize( $post_content );
761 $altered = array();
762 if ( ! empty( $data ) ) {
763 foreach ( $data as $index => $array ) {
764 if ( ! is_array( $index ) && is_array( $array ) ) {
765 foreach ( $array as &$datum ) {
766 if ( is_string( $datum ) ) {
767 $datum = stripslashes( $datum );
768 }
769 }
770 $altered[ $index ] = $array;
771 }
772 }
773 }
774 // if something goes wrong and the end result is empty, be safe and use the original data
775 if ( empty( $altered ) ) {
776 $altered = $data;
777 }
778 if ( $run_filter ) {
779 return apply_filters( Visualizer_Plugin::FILTER_GET_CHART_DATA, $altered, $chart->ID, $type );
780 }
781 return $altered;
782 }
783
784 /**
785 * Get chart image.
786 *
787 * @param object $chart Chart data.
788 * @return string
789 */
790 public function _getImage( $chart = null ) {
791 $image = '';
792 if ( $chart ) {
793 $chart_image = get_post_meta( $chart->ID, Visualizer_Plugin::CF_CHART_IMAGE, true );
794 if ( ! empty( $chart_image ) ) {
795 $image = wp_get_attachment_image( $chart_image, 'full' );
796 }
797 }
798 return array(
799 'csv' => $image,
800 );
801 }
802
803 /**
804 * Filter chart title if visualizer post type.
805 *
806 * @param object $query WP Query object.
807 * @return void
808 */
809 public function PreGetPosts( $query ) {
810 if ( ! $query->is_main_query() ) {
811 $post_type = $query->get( 'post_type' );
812 if ( 'visualizer' === $post_type ) {
813 $this->_addFilter( Visualizer_Plugin::FILTER_CHART_TITLE, 'filterChartTitle', 10, 2 );
814 }
815 }
816 }
817
818 /**
819 * Filter chart title.
820 *
821 * @access public
822 * @param string $post_title Post title.
823 * @param int $post_id Post ID.
824 * @return string
825 */
826 public function filterChartTitle( $post_title, $post_id ) {
827 $post_type = get_post_type( $post_id );
828 $post_title = trim( $post_title );
829 if ( 'visualizer' === $post_type && 'Visualization' === $post_title ) {
830 return sprintf( '%s #%d', $post_title, $post_id );
831 }
832 return $post_title;
833 }
834 }
835