backend/.discovery/Discovery.php

   1 <?php
   2
   3
   4 namespace TheCodingMachine\Discovery;
   5
   6 /**
   7  * Use this class to access data stored in the discovery.json files at the root of your packages.
   8  */
   9 class Discovery implements DiscoveryInterface
  10 {
  11     private static $instance;
  12
  13     /**
  14      * @var string[]
  15      */
  16     private $values;
  17     /**
  18      * @var AssetType[]
  19      */
  20     private $assetTypes;
  21     /**
  22      * @var array[]
  23      */
  24     private $assetTypesArray;
  25
  26     /**
  27      * Singleton. Noone creates this object directly.
  28      */
  29     private function __construct()
  30     {
  31         $this->values = require __DIR__.'/discovery_values.php';
  32         $this->assetTypesArray = require __DIR__.'/discovery_asset_types.php';
  33     }
  34
  35     /**
  36      * Returns the unique instance of this class (singleton).
  37      *
  38      * @return self
  39      */
  40     public static function getInstance(): self
  41     {
  42         if (!self::$instance) {
  43             self::$instance = new self();
  44         }
  45         return self::$instance;
  46     }
  47
  48     /**
  49      * Returns the asset values of the requested type.
  50      *
  51      * If no assets are found, an empty array is returned.
  52      *
  53      * @param string $assetType
  54      * @return string[]
  55      */
  56     public function get(string $assetType) : array
  57     {
  58         return $this->values[$assetType] ?? [];
  59     }
  60
  61     /**
  62      * Returns an asset type object for the requested type.
  63      *
  64      * If no assets are found, an AssetType object containing no assets is returned.
  65      *
  66      * @param string $assetType
  67      * @return AssetTypeInterface
  68      */
  69     public function getAssetType(string $assetType) : AssetTypeInterface
  70     {
  71         if (!isset($this->assetTypes[$assetType])) {
  72             if (isset($this->assetTypesArray[$assetType])) {
  73                 $this->assetTypes[$assetType] = ImmutableAssetType::fromArray($assetType, $this->assetTypesArray[$assetType]);
  74             } else {
  75                 $this->assetTypes[$assetType] = ImmutableAssetType::fromArray($assetType, []);
  76             }
  77         }
  78         return $this->assetTypes[$assetType];
  79     }
  80 }