Exemple #1
0
 /**
  * Parses uploaded CSV file and saves new data for the chart.
  *
  * @since 1.0.0
  *
  * @access public
  */
 public function uploadData()
 {
     // validate nonce
     if (!wp_verify_nonce(filter_input(INPUT_GET, 'nonce'))) {
         status_header(403);
         exit;
     }
     // check chart, if chart exists
     $chart_id = filter_input(INPUT_GET, 'chart', FILTER_VALIDATE_INT);
     if (!$chart_id || !($chart = get_post($chart_id)) || $chart->post_type != Visualizer_Plugin::CPT_VISUALIZER) {
         status_header(400);
         exit;
     }
     $source = null;
     $render = new Visualizer_Render_Page_Update();
     if (filter_input(INPUT_POST, 'remote_data', FILTER_VALIDATE_URL)) {
         $source = new Visualizer_Source_Csv_Remote($_POST['remote_data']);
     } elseif (isset($_FILES['local_data']) && $_FILES['local_data']['error'] == 0) {
         $source = new Visualizer_Source_Csv($_FILES['local_data']['tmp_name']);
     } else {
         $render->message = esc_html__("CSV file with chart data was not uploaded. Please, try again.", Visualizer_Plugin::NAME);
     }
     if ($source) {
         if ($source->fetch()) {
             $chart->post_content = $source->getData();
             wp_update_post($chart->to_array());
             update_post_meta($chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries());
             update_post_meta($chart->ID, Visualizer_Plugin::CF_SOURCE, $source->getSourceName());
             update_post_meta($chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, 0);
             $render->data = json_encode($source->getRawData());
             $render->series = json_encode($source->getSeries());
         } else {
             $render->message = esc_html__("CSV file is broken or invalid. Please, try again.", Visualizer_Plugin::NAME);
         }
     }
     $render->render();
     exit;
 }
Exemple #2
0
 /**
  * Returns file handle to fetch data from.
  *
  * @since 1.4.2
  *
  * @access protected
  * @staticvar boolean $allow_url_fopen Determines whether or not allow_url_fopen option is enabled.
  * @param string $filename Optional file name to get handle. If omitted, $_filename is used.
  * @return resource File handle resource on success, otherwise FALSE.
  */
 protected function _get_file_handle($filename = false)
 {
     static $allow_url_fopen = null;
     if ($this->_tmpfile && is_readable($this->_tmpfile)) {
         return parent::_get_file_handle($this->_tmpfile);
     }
     if (is_null($allow_url_fopen)) {
         $allow_url_fopen = filter_var(ini_get('allow_url_fopen'), FILTER_VALIDATE_BOOLEAN);
     }
     $scheme = parse_url($this->_filename, PHP_URL_SCHEME);
     if ($allow_url_fopen && in_array($scheme, stream_get_wrappers())) {
         return parent::_get_file_handle($filename);
     }
     require_once ABSPATH . 'wp-admin/includes/file.php';
     $this->_tmpfile = download_url($this->_filename);
     return !is_wp_error($this->_tmpfile) ? parent::_get_file_handle($this->_tmpfile) : false;
 }
Exemple #3
0
 /**
  * Handles chart type selection page.
  *
  * @since 1.0.0
  *
  * @access private
  */
 private function _handleTypesPage()
 {
     // process post request
     if ($_SERVER['REQUEST_METHOD'] == 'POST' && wp_verify_nonce(filter_input(INPUT_POST, 'nonce'))) {
         $type = filter_input(INPUT_POST, 'type');
         if (in_array($type, Visualizer_Plugin::getChartTypes())) {
             // save new chart type
             update_post_meta($this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, $type);
             // if the chart has default data, update it with appropriate default data for new type
             if (filter_var(get_post_meta($this->_chart->ID, Visualizer_Plugin::CF_DEFAULT_DATA, true), FILTER_VALIDATE_BOOLEAN)) {
                 $source = new Visualizer_Source_Csv(VISUALIZER_ABSPATH . DIRECTORY_SEPARATOR . 'samples' . DIRECTORY_SEPARATOR . $type . '.csv');
                 $source->fetch();
                 $this->_chart->post_content = $source->getData();
                 wp_update_post($this->_chart->to_array());
                 update_post_meta($this->_chart->ID, Visualizer_Plugin::CF_SERIES, $source->getSeries());
             }
             // redirect to next tab
             wp_redirect(add_query_arg('tab', 'data'));
             return;
         }
     }
     $render = new Visualizer_Render_Page_Types();
     $render->type = get_post_meta($this->_chart->ID, Visualizer_Plugin::CF_CHART_TYPE, true);
     $render->types = Visualizer_Plugin::getChartTypes();
     $render->chart = $this->_chart;
     wp_enqueue_style('visualizer-frame');
     wp_enqueue_script('visualizer-frame');
     wp_iframe(array($render, 'render'));
 }