function publish_css($user, $chart)
{
$cdn_files = array();
$static_path = get_static_path($chart);
$data = get_chart_content($chart, $user, false, '../');
$all = '';
foreach ($data['stylesheets'] as $css) {
$all .= file_get_contents(ROOT_PATH . 'www' . $css) . "\n\n";
}
// move @imports to top of file
$imports = array();
$body = "";
$lines = explode("\n", $all);
foreach ($lines as $line) {
if (substr($line, 0, 7) == '@import') {
$imports[] = $line;
} else {
$body .= $line . "\n";
}
}
$all = implode("\n", $imports) . "\n\n" . $body;
$cssmin = new CSSmin();
$minified = $all;
//$cssmin->run($all); disabled minification
file_put_contents($static_path . "/" . $chart->getID() . '.all.css', $minified);
$cdn_files[] = array($static_path . "/" . $chart->getID() . '.all.css', $chart->getCDNPath() . $chart->getID() . '.all.css', 'text/css');
// copy themes assets
$theme = $data['theme'];
if (isset($theme['assets'])) {
foreach ($theme['assets'] as $asset) {
$asset_src = '../../www/' . $theme['__static_path'] . '/' . $asset;
$asset_tgt = $static_path . "/" . $asset;
if (file_exists($asset_src)) {
file_put_contents($asset_tgt, file_get_contents($asset_src));
$cdn_files[] = array($asset_src, $chart->getCDNPath() . $asset);
}
}
}
// copy visualization assets
$vis = $data['visualization'];
$assets = DatawrapperVisualization::assets($vis['id'], $chart);
foreach ($assets as $asset) {
$asset_src = ROOT_PATH . 'www/static/' . $asset;
$asset_tgt = $static_path . '/assets/' . $asset;
create_missing_directories($asset_tgt);
copy($asset_src, $asset_tgt);
$cdn_files[] = array($asset_src, $chart->getCDNPath() . 'assets/' . $asset);
}
return $cdn_files;
}