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<?php namespace Igaster\LaravelTheme;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Arr;
class Theme
{
public $name;
public $viewsPath;
public $assetPath;
public $settings = [];
/** @var Theme */
public $parent;
/** @var \Igaster\LaravelTheme\Themes */
private $themes;
public function __construct($themeName, $assetPath = null, $viewsPath = null, Theme $parent = null)
{
$this->themes = resolve('igaster.themes');
$this->name = $themeName;
$this->assetPath = $assetPath === null ? $themeName : $assetPath;
$this->viewsPath = $viewsPath === null ? $themeName : $viewsPath;
$this->parent = $parent;
$this->themes->add($this);
}
public function getViewPaths()
{
// Build Paths array.
// All paths are relative to Config::get('theme.theme_path')
$paths = [];
$theme = $this;
do {
if (substr($theme->viewsPath, 0, 1) === DIRECTORY_SEPARATOR) {
$path = base_path(substr($theme->viewsPath, 1));
} else {
$path = themes_path($theme->viewsPath);
}
if (!in_array($path, $paths)) {
$paths[] = $path;
}
} while ($theme = $theme->parent);
return $paths;
}
public function url($url)
{
// return external URLs unmodified
if (preg_match('/^((http(s?):)?\/\/)/i', $url)) {
return $url;
}
$url = ltrim($url, '/');
// Is theme folder located on the web (ie AWS)? Dont lookup parent themes...
if (preg_match('/^((http(s?):)?\/\/)/i', $this->assetPath)) {
return $this->assetPath . '/' . $url;
}
// Check for valid {xxx} keys and replace them with the Theme's configuration value (in themes.php)
preg_match_all('/\{(.*?)\}/', $url, $matches);
foreach ($matches[1] as $param) {
if (($value = $this->getSetting($param)) !== null) {
$url = str_replace('{' . $param . '}', $value, $url);
}
}
// Seperate url from url queries
if (($position = strpos($url, '?')) !== false) {
$baseUrl = substr($url, 0, $position);
$params = substr($url, $position);
} else {
$baseUrl = $url;
$params = '';
}
// Lookup asset in current's theme asset path
$fullUrl = (empty($this->assetPath) ? '' : '/') . $this->assetPath . '/' . $baseUrl;
if (file_exists($fullPath = public_path($fullUrl))) {
return $fullUrl . $params;
}
// If not found then lookup in parent's theme asset path
if ($parentTheme = $this->getParent()) {
return $parentTheme->url($url);
}
// No parent theme? Lookup in the public folder.
else {
if (file_exists(public_path($baseUrl))) {
return "/" . $baseUrl . $params;
}
}
// Asset not found at all. Error handling
$action = Config::get('themes.asset_not_found', 'LOG_ERROR');
if ($action == 'THROW_EXCEPTION') {
throw new Exceptions\themeException("Asset not found [$url]");
} elseif ($action == 'LOG_ERROR') {
Log::warning("Asset not found [$url] in Theme [" . $this->themes->current()->name . "]");
} else {
// themes.asset_not_found = 'IGNORE'
return '/' . $url;
}
}
public function getParent()
{
return $this->parent;
}
public function setParent(Theme $parent)
{
$this->parent = $parent;
}
public function install($clearPaths = false)
{
$viewsPath = themes_path($this->viewsPath);
$assetPath = public_path($this->assetPath);
if ($clearPaths) {
if (File::exists($viewsPath)) {
File::deleteDirectory($viewsPath);
}
if (File::exists($assetPath)) {
File::deleteDirectory($assetPath);
}
}
File::makeDirectory($viewsPath);
File::makeDirectory($assetPath);
$themeJson = new \Igaster\LaravelTheme\themeManifest(array_merge($this->settings, [
'name' => $this->name,
'extends' => $this->parent ? $this->parent->name : null,
'asset-path' => $this->assetPath,
]));
$themeJson->saveToFile("$viewsPath/theme.json");
$this->themes->rebuildCache();
}
public function uninstall()
{
// Calculate absolute paths
$viewsPath = themes_path($this->viewsPath);
$assetPath = public_path($this->assetPath);
// Check that paths exist
$viewsExists = File::exists($viewsPath);
$assetExists = File::exists($assetPath);
// Check that no other theme uses to the same paths (ie a child theme)
foreach ($this->themes->all() as $t) {
if ($t !== $this && $viewsExists && $t->viewsPath == $this->viewsPath) {
throw new \Exception("Can not delete folder [$viewsPath] of theme [{$this->name}] because it is also used by theme [{$t->name}]", 1);
}
if ($t !== $this && $assetExists && $t->assetPath == $this->assetPath) {
throw new \Exception("Can not delete folder [$viewsPath] of theme [{$this->name}] because it is also used by theme [{$t->name}]", 1);
}
}
File::deleteDirectory($viewsPath);
File::deleteDirectory($assetPath);
$this->themes->rebuildCache();
}
/*--------------------------------------------------------------------------
| Theme Settings
|--------------------------------------------------------------------------*/
public function setSetting($key, $value)
{
$this->settings[$key] = $value;
}
public function getSetting($key, $default = null)
{
if (Arr::has($this->settings,$key)) {
return Arr::get($this->settings,$key);
} elseif ($parent = $this->getParent()) {
return $parent->getSetting($key, $default);
} else {
return $default;
}
}
public function loadSettings($settings = [])
{
// $this->settings = $settings;
$this->settings = array_diff_key((array) $settings, array_flip([
'name',
'extends',
'views-path',
'asset-path',
]));
}
}