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Refactor template engine code

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- Convert ITemplateEngine interface to abstract class
- Remove dependency to App in FriendicaSmarty and FriendicaSmartyEngine
- Normalize replaceMacro parameter behavior using Smarty template string prefixes
- Remove obsolete FriendicaSmarty->parsed method
- Update unused Smarty directory paths
This commit is contained in:
Hypolite Petovan 2020-05-18 01:18:41 -04:00
parent 75a0b80888
commit c6ba92c43d
5 changed files with 97 additions and 72 deletions
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74
src/Render/FriendicaSmartyEngine.php
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@ -23,56 +23,69 @@ namespace Friendica\Render;
use Friendica\Core\Hook;
use Friendica\DI;
use Friendica\Util\Strings;
/**
* Smarty implementation of the Friendica template engine interface
* Smarty implementation of the Friendica template abstraction
*/
class FriendicaSmartyEngine implements ITemplateEngine
final class FriendicaSmartyEngine extends TemplateEngine
{
static $name = "smarty3";
public function __construct()
const FILE_PREFIX = 'file:';
const STRING_PREFIX = 'string:';
/** @var FriendicaSmarty */
private $smarty;
/**
* @inheritDoc
*/
public function __construct(string $theme, array $theme_info)
{
if (!is_writable(__DIR__ . '/../../view/smarty3/')) {
$this->theme = $theme;
$this->theme_info = $theme_info;
$this->smarty = new FriendicaSmarty($this->theme, $this->theme_info);
if (!is_writable(DI::basePath() . '/view/smarty3')) {
echo "<b>ERROR:</b> folder <tt>view/smarty3/</tt> must be writable by webserver.";
exit();
}
}
// ITemplateEngine interface
public function replaceMacros($s, $r)
/**
* @inheritDoc
*/
public function replaceMacros(string $template, array $vars)
{
$template = '';
if (gettype($s) === 'string') {
$template = $s;
$s = new FriendicaSmarty();
if (!Strings::startsWith($template, self::FILE_PREFIX)) {
$template = self::STRING_PREFIX . $template;
}
$r['$APP'] = DI::app();
// "middleware": inject variables into templates
$arr = [
"template" => basename($s->filename),
"vars" => $r
'template' => basename($this->smarty->filename),
'vars' => $vars
];
Hook::callAll("template_vars", $arr);
$r = $arr['vars'];
Hook::callAll('template_vars', $arr);
$vars = $arr['vars'];
foreach ($r as $key => $value) {
foreach ($vars as $key => $value) {
if ($key[0] === '$') {
$key = substr($key, 1);
}
$s->assign($key, $value);
$this->smarty->assign($key, $value);
}
return $s->parsed($template);
return $this->smarty->fetch($template);
}
public function getTemplateFile($file, $subDir = '')
/**
* @inheritDoc
*/
public function getTemplateFile(string $file, string $subDir = '')
{
$a = DI::app();
$template = new FriendicaSmarty();
// Make sure $root ends with a slash /
if ($subDir !== '' && substr($subDir, -1, 1) !== '/') {
$subDir = $subDir . '/';
@ -80,21 +93,20 @@ class FriendicaSmartyEngine implements ITemplateEngine
$root = DI::basePath() . '/' . $subDir;
$theme = $a->getCurrentTheme();
$filename = $template::SMARTY3_TEMPLATE_FOLDER . '/' . $file;
$filename = $this->smarty::SMARTY3_TEMPLATE_FOLDER . '/' . $file;
if (file_exists("{$root}view/theme/$theme/$filename")) {
$template_file = "{$root}view/theme/$theme/$filename";
} elseif (!empty($a->theme_info['extends']) && file_exists(sprintf('%sview/theme/%s}/%s', $root, $a->theme_info['extends'], $filename))) {
$template_file = sprintf('%sview/theme/%s}/%s', $root, $a->theme_info['extends'], $filename);
if (file_exists("{$root}view/theme/$this->theme/$filename")) {
$template_file = "{$root}view/theme/$this->theme/$filename";
} elseif (!empty($this->theme_info['extends']) && file_exists(sprintf('%sview/theme/%s}/%s', $root, $this->theme_info['extends'], $filename))) {
$template_file = sprintf('%sview/theme/%s}/%s', $root, $this->theme_info['extends'], $filename);
} elseif (file_exists("{$root}/$filename")) {
$template_file = "{$root}/$filename";
} else {
$template_file = "{$root}view/$filename";
}
$template->filename = $template_file;
$this->smarty->filename = $template_file;
return $template;
return self::FILE_PREFIX . $template_file;
}
}