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<?php |
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namespace PeterColes\Themes; |
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class Themes |
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{ |
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protected $theme = null; |
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/** |
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* Get the name of the theme for this context. |
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* Make its path available for view selection |
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* and override config settings where needed. |
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* |
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* @param \Illuminate\Http\Request $request |
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* @return void |
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*/ |
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public function setTheme($request) |
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{ |
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$this->findMatch($request); |
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$this->addThemeViewPath(); |
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$this->applyThemeConfig(); |
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} |
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/** |
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* Getter for the theme that is chosen. |
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* |
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* @return string theme |
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*/ |
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public function getTheme() |
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{ |
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return $this->theme; |
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} |
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/** |
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* Iterate over the match criteria until a successful match is achieved. |
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* |
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* @return void |
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*/ |
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protected function findMatch($request) |
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{ |
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foreach (app('config')->get('themes') as $match) |
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{ |
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if ($this->testMatch($request, $match)) { |
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break; |
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} |
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} |
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} |
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/** |
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* If there's no match critera or all rules are matched, set the theme and exit. |
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* |
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* @return boolean |
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*/ |
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protected function testMatch($request, $match) |
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{ |
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if (isset($match['match'])) { |
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$rules = $this->explodeRules($match['match']); |
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foreach ($rules as $rule) { |
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if (!$this->handleRule($request, $rule)) { |
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return false; |
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} |
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} |
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} |
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// nothing to match or all matches succeeded |
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$this->theme = $match['theme']; |
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return true; |
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} |
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/** |
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* Remove whtespace from rules and separate the rules in a match group. |
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* |
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* @return array rules |
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*/ |
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protected function explodeRules($rules) |
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{ |
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$rules = preg_replace('/\s+/', '', $rules); |
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return explode('|', $rules); |
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} |
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/** |
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* Separate rule name from parameters and pass to matcher class to evaluate. |
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* |
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* @return boolean |
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*/ |
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protected function handleRule($request, $rule) |
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{ |
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$rule = explode(':', $rule); |
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$params = isset($rule[1]) ? $rule[1] : null; |
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$class = '\\PeterColes\\Themes\\Matchers\\'.studly_case($rule[0]); |
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return (new $class)->handle($request, $params); |
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} |
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/** |
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* Add path for current theme's views to the list that Laravel searches. |
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* |
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* @return void |
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*/ |
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protected function addThemeViewPath() |
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{ |
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if ($this->theme) { |
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app('view.finder')->addLocation(themes_path($this->theme.'/views')); |
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} |
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} |
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/** |
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* Override configs with theme-specific settings. |
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* |
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* @return void |
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*/ |
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protected function applyThemeConfig() |
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{ |
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$path = themes_path($this->theme.'/config'); |
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if (app('files')->exists($path)) { |
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foreach (app('files')->allFiles($path) as $file) { |
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$key = str_replace('.'.$file->getExtension(), '', $file->getFilename()); |
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app('config')->set($key, require $file->getPathname()); |
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} |
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} |
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} |
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} |
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petercoles /
Themes
