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240 lines
8.1 KiB
240 lines
8.1 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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use Symfony\Component\Process\Exception\ProcessTimedOutException;
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use Tiki\Process\Process;
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function wikiplugin_chartjs_info()
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{
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return [
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'name' => tr('Chart JS'),
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'documentation' => 'PluginChartJS',
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'description' => tra('Create a JS Chart'),
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'prefs' => ['wikiplugin_chartjs'],
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'body' => tr('JSON encoded array for data and options.'),
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'tags' => ['advanced'],
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'introduced' => 16,
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'params' => [
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'id' => [
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'name' => tra('Chart Id'),
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'description' => tr('A custom ID for the chart.'),
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'filter' => 'text',
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'default' => 'tikiChart1, tikiChart2 etc',
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'since' => '16.0',
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],
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'type' => [
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'name' => tra('Chart Type'),
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'description' => tr('The type of chart. Currently works with pie, bar and doughnut'),
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'filter' => 'text',
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'default' => 'pie',
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'since' => '16.0',
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],
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'height' => [
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'name' => tra('Chart Height'),
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'description' => tr('The height of the chart in px'),
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'filter' => 'text',
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'default' => '200',
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'since' => '16.0',
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],
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'width' => [
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'name' => tra('Chart Width'),
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'description' => tr('The width of the chart in px'),
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'filter' => 'text',
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'default' => '200',
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'since' => '16.0',
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],
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'values' => [
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'name' => tra('Chart data values'),
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'description' => tr('Colon-separated values for the chart (required if not using JSON encoded data in the plugin body)'),
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'filter' => 'text',
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'default' => '',
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'since' => '16.0',
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],
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'data_labels' => [
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'name' => tra('Chart data labels'),
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'description' => tr('Colon-separated labels for the datasets in the chart. Max 10, if left empty'),
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'filter' => 'text',
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'default' => 'A:B:C:D:E:F:G:H:I:J',
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'since' => '16.0',
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],
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'data_colors' => [
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'name' => tra('Chart colors'),
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'description' => tr('Colon-separated colors for the datasets in the chart. Max 10, if left empty'),
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'filter' => 'text',
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'default' => 'red:blue:green:purple:grey:orange:yellow:black:brown:cyan',
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'since' => '16.0',
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],
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'data_highlights' => [
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'name' => tra('Chart highlight'),
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'description' => tr('Colon-separated color of chart section when highlighted'),
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'filter' => 'text',
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'default' => '',
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'since' => '16.0',
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],
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'debug' => [
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'name' => tra('Debug Mode'),
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'description' => tr('Uses the non-minified version of the chart.js library for easier debugging.'),
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'filter' => 'digits',
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'default' => 0,
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'advanced' => true,
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'since' => '18.3',
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],
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],
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'iconname' => 'pie-chart',
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];
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}
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function wikiplugin_chartjs($data, $params)
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{
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global $base_url;
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static $instance = 0;
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$instance++;
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if (empty($params['id'])) {
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$params['id'] = "tikiChart$instance";
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}
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//set defaults
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$plugininfo = wikiplugin_chartjs_info();
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$defaults = [];
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foreach ($plugininfo['params'] as $key => $param) {
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$defaults[$key] = $param['default'];
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}
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$params = array_merge($defaults, $params);
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if (empty($params['data_highlights'])) {
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$params['data_highlights'] = $params['data_colors'];
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}
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if (empty(trim($data))) {
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$values = array_filter(explode(':', $params['values']));
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$data_labels = array_filter(explode(':', $params['data_labels']));
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$data_colors = array_filter(explode(':', $params['data_colors']));
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$data_highlights = array_filter(explode(':', $params['data_highlights']));
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if (empty($values)) {
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return tr('Values must be set for chart');
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}
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$data = [
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'labels' => array_slice($data_labels, 0, count($values)),
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'datasets' => [
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[
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'data' => $values,
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'backgroundColor' => array_slice($data_colors, 0, count($values)),
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'hoverBackgroundColor' => array_slice($data_highlights, 0, count($values)),
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],
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],
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];
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$options = [];
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} else {
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$data = json_decode($data, true);
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if (isset($data['options']) && isset($data['data'])) {
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$options = $data['options'];
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$data = $data['data'];
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}
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}
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$to_PDF = ! empty($_REQUEST['display']) && $_REQUEST['display'] == 'pdf';
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$min = $params['debug'] ? '' : 'min.';
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// Disable animation
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if ($to_PDF) {
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$options['animation'] = [ // 'animation: { duration: 0 }'
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'duration' => 0,
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];
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}
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$script = '
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var chartjs_' . $params['id'] . ' = new Chart("' . $params['id'] . '", {
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type: "' . $params['type'] . '",
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data: ' . json_encode($data) . ',
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options: ' . json_encode($options) . '
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});
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';
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$canvas = '<canvas id="' . $params['id'] . '" width="' . $params['width'] . '" height="' . $params['height'] . '"></canvas>';
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if (! $to_PDF) {
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TikiLib::lib('header')->add_jsfile("vendor_bundled/vendor/npm-asset/chart.js/dist/Chart.bundle.{$min}js")
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->add_jq_onready('setTimeout(function () {' . $script . '}, 500);');
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return '<div class="tiki-chartjs">' . $canvas . '</div>';
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}
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// PDF export related logic
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$html_content = <<<HTML
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<script src="{$base_url}vendor_bundled/vendor/npm-asset/chart.js/dist/Chart.bundle.{$min}js"></script>
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<div>
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$canvas
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</div>
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<script>
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$script
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</script>
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HTML;
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$scriptHash = md5($script);
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$cacheKey = 'chart_';
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$cacheLib = TikiLib::lib('cache');
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if (! $cacheLib->isCached($scriptHash, $cacheKey)) {
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$htmlFile = writeTempFile($html_content, '', true, 'wikiplugin_chart_', '.html');
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$casperBin = implode(DIRECTORY_SEPARATOR, [TIKI_PATH, 'bin', 'casperjs']);
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if (! file_exists($casperBin)) {
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return tr('Tiki needs the jerome-breton/casperjs-installer to convert charts to PNG. If you do not have permission to install this package, ask the site administrator.');
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}
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$casperjsScript = <<<JS
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var casper = require('casper').create();
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casper.start('{$htmlFile}', function() {
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this.echo(this.captureBase64('png', 'div'));
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});
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casper.run();
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JS;
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$casperFile = writeTempFile($casperjsScript, '', true, 'wikiplugin_chart_', '.js');
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$command = $casperBin . ' ' . $casperFile;
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$process = new Process($command);
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if (! empty($params['timeout'])) {
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$process->setTimeout($params['timeout']);
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$process->setIdleTimeout($params['timeout']);
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}
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try {
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$process->run();
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} catch (ProcessTimedOutException $e) {
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$logsLib = TikiLib::lib('logs');
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$logsLib->add_log('Casperjs', $e->getMessage());
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\Feedback::error(tr('Failed to generate chart image using Casperjs. Please check Tiki Action Log for more information.'));
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} finally {
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unlink($htmlFile);
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unlink($casperFile);
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}
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if ($process->isSuccessful()) {
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$base64 = $process->getOutput();
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} else {
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return false;
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}
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$cacheLib->cacheItem($scriptHash, $base64, $cacheKey);
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} else {
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$base64 = $cacheLib->getCached($scriptHash, $cacheKey);
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}
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$canvas = <<<HTML
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<img src="data:image/jpeg;charset=utf-8;base64, {$base64}"/>
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HTML;
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return '<div class="tiki-chartjs">' . $canvas . '</div>';
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}
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