94 lines
2.6 KiB
PHP
94 lines
2.6 KiB
PHP
<?php
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namespace App\Helpers;
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use App\Configuration;
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use App\Facade\UserConfig;
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class ThemeHelper
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{
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const DEFAULT_THEME = 'base';
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public function current()
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{
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return $this->getThemeName();
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}
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public function hasStylesheet()
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{
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$cssFilename = sprintf('%s/%s/theme.css', $this->getThemePublicPath(), $this->getThemeName());
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return file_exists($cssFilename);
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}
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public static function gravatarUrl($emailAddress, $size = 48, $default = 'identicon')
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{
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$hash = md5(strtolower(trim($emailAddress)));
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return sprintf('https://www.gravatar.com/avatar/%s?s=%d&d=%s', $hash, $size, $default);
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}
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public function info()
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{
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$themeName = $this->getThemeName();
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$jsonFile = sprintf('%s/%s/theme.json', $this->getThemePrivatePath(), $this->sanitiseThemeName($themeName));
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if (file_exists($jsonFile))
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{
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return json_decode(file_get_contents($jsonFile), true);
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}
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return array();
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}
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public function render($viewPath, array $viewData = array())
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{
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return view($this->viewName($viewPath), $viewData);
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}
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public function viewName($viewPath)
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{
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$themeName = $this->getThemeName();
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// First see if the current theme has the specified file
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$requestedViewFilename = $this->getRealFilePath($themeName, $viewPath);
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if (!file_exists($requestedViewFilename))
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{
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// If it doesn't, revert to the base theme
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// TODO allow themes to specify another theme as the parent, and traverse up the theme tree to find the
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// relevant file - this allows for sub-themes
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$themeName = ThemeHelper::DEFAULT_THEME;
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}
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return sprintf('themes.%s.%s', $themeName, $viewPath);
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}
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private function getRealFilePath($themeName, $viewPath)
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{
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return sprintf(
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'%s/%s/%s.blade.php',
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$this->getThemePrivatePath(),
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$themeName,
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str_replace('.', DIRECTORY_SEPARATOR, $viewPath)
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);
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}
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private function getThemePrivatePath()
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{
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return sprintf('%s/resources/views/themes', dirname(dirname(__DIR__)));
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}
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private function getThemePublicPath()
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{
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return sprintf('%s/public/themes', dirname(dirname(__DIR__)));
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}
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private function getThemeName()
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{
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return $this->sanitiseThemeName(UserConfig::get('theme'));
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}
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private function sanitiseThemeName($themeName)
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{
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// Ensure nasty people can't try and trick us into traversing the directory tree
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return preg_replace('/[\\\.\/]/', '', strtolower($themeName));
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}
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} |