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| 1 | <?php |
| 2 | /** |
| 3 | * JSON REST API endpoint for Global Styles plugin. |
| 4 | * |
| 5 | * @package automattic/jetpack-mu-wpcom |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Jetpack_Mu_Wpcom\Global_Styles; |
| 9 | |
| 10 | /** |
| 11 | * REST API endpoint for Global Styles plugin. |
| 12 | */ |
| 13 | class JSON_Endpoint extends \WP_REST_Controller { |
| 14 | |
| 15 | /** |
| 16 | * Namespace for the REST endpoint. |
| 17 | * |
| 18 | * @var string |
| 19 | */ |
| 20 | private $rest_namespace; |
| 21 | |
| 22 | /** |
| 23 | * Route name for the REST endpoint. |
| 24 | * |
| 25 | * @var string |
| 26 | */ |
| 27 | private $rest_route; |
| 28 | |
| 29 | /** |
| 30 | * Object holding the data description to work with. |
| 31 | * |
| 32 | * @var Data_Set |
| 33 | */ |
| 34 | private $data_set; |
| 35 | |
| 36 | /** |
| 37 | * Permission check callback. |
| 38 | * |
| 39 | * @var callable |
| 40 | */ |
| 41 | private $permission_cb; |
| 42 | |
| 43 | /** |
| 44 | * Constructor |
| 45 | * |
| 46 | * @param string $rest_namespace Namespace for the REST endpoint. |
| 47 | * @param string $rest_route Route name. |
| 48 | * @param Data_Set $data_set Description of the data to work with. |
| 49 | * @param callable $permission_cb Permission check callback. |
| 50 | */ |
| 51 | public function __construct( $rest_namespace, $rest_route, $data_set, $permission_cb ) { |
| 52 | $this->rest_namespace = $rest_namespace; |
| 53 | $this->rest_route = $rest_route; |
| 54 | $this->data_set = $data_set; |
| 55 | $this->permission_cb = $permission_cb; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Callback to determine whether the request can proceed. |
| 60 | * |
| 61 | * @return boolean |
| 62 | */ |
| 63 | public function permission_callback() { |
| 64 | return call_user_func( $this->permission_cb ); |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Initialize the routes. To be called on `rest_api_init' |
| 69 | * |
| 70 | * @return void |
| 71 | */ |
| 72 | public function setup() { |
| 73 | register_rest_route( |
| 74 | $this->rest_namespace, |
| 75 | $this->rest_route, |
| 76 | array( |
| 77 | array( |
| 78 | 'methods' => \WP_REST_Server::READABLE, |
| 79 | 'callback' => array( $this, 'get_data' ), |
| 80 | 'permission_callback' => array( $this, 'permission_callback' ), |
| 81 | ), |
| 82 | ) |
| 83 | ); |
| 84 | register_rest_route( |
| 85 | $this->rest_namespace, |
| 86 | $this->rest_route, |
| 87 | array( |
| 88 | array( |
| 89 | 'methods' => \WP_REST_Server::CREATABLE, |
| 90 | 'callback' => array( $this, 'update_data' ), |
| 91 | 'permission_callback' => array( $this, 'permission_callback' ), |
| 92 | ), |
| 93 | ) |
| 94 | ); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Process the incoming request to get data. |
| 99 | * |
| 100 | * @return Array |
| 101 | */ |
| 102 | public function get_data() { |
| 103 | return $this->data_set->get_data(); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Process the incoming request to update data. |
| 108 | * |
| 109 | * @param \WP_REST_Request $request Incoming request. |
| 110 | * @return Boolean False if data hasn't changed or update failed, true otherwise. |
| 111 | */ |
| 112 | public function update_data( \WP_REST_Request $request ) { |
| 113 | $incoming_data = $request->get_json_params(); |
| 114 | return $this->data_set->save_data( $incoming_data ); |
| 115 | } |
| 116 | } |