inital of rest api

src/backend/backend.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace TheaterGF\Gallery\Backend;
+
+require_once __DIR__ . '/util.php';
+
+require_once __DIR__ . '/endpoints/crop.php';
+
+add_action( 'rest_api_init', function () {
+	$namespace = 'theatergf/gallery/v1';
+
+	$crop_controller = new Rest\CROP_Endpoints($namespace, 'crop');
+	$crop_controller->register_routes();
+});
+

src/backend/endpoints/crop.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace TheaterGF\Gallery\Backend\Rest;
+
+class CROP_Endpoints extends \WP_REST_Controller {
+
+	public function __construct( $namespace, $base_path ) {
+		$this->namespace = $namespace;
+		$this->rest_base = $base_path;
+	}
+
+	public function register_routes() {
+
+		register_rest_route($this->namespace, '/' . $this->rest_base . '/new', [
+			'methods' => \WP_REST_Server::CREATABLE,
+			'callback' => [ $this, 'create_item' ],
+			'permission_callback' => [ $this, 'create_item_permissions_check' ],
+			'args' => [
+				'img_id' => [
+					'required' => true,
+					'validate_callback' => function ( $param, $request, $key) { return wp_attachment_is_image($param); }
+				],
+				'x' => [
+					'required' => true,
+					'validate_callback' => function ( $param, $request, $key) { return is_numeric($param) && $param > 0; }
+				],
+				'y' => [
+					'required' => true,
+					'validate_callback' => function ( $param, $request, $key) { return is_numeric($param) && $param > 0; }
+				],
+				'width' => [
+					'required' => true,
+					'validate_callback' => function ( $param, $request, $key) { return is_numeric($param) && $param > 0; }
+				],
+				'height' => [
+					'required' => true,
+					'validate_callback' => function ( $param, $request, $key) { return is_numeric($param) && $param > 0; }
+				]
+			]
+		]);
+	}
+
+	public function create_item_permissions_check( $request ) {
+
+		if ( ! is_user_logged_in()) {
+			return new \WP_Error( 'unauthenticated', 'Log in to interact with this endpoint.', array( 'status' => 401 ));
+		}
+
+		if ( ! (is_user_logged_in() && current_user_can( 'edit_pages' )) ) {
+			return new \WP_Error( 'forbidden', 'No Permission for this endpoint.',  array( 'status' => 403 ));
+		}
+
+		return true;
+	}
+
+	public function create_item( $request ) {
+		return true;
+	}
+
+}

theatergf-gallery.php

@@ -34,3 +34,5 @@ add_action( 'init', 'TheaterGF\Gallery\block_init' );
 if ( is_admin() ) {
 	require_once __DIR__ . '/src/admin/admin.php';
 }
+
+require_once __DIR__ . '/src/backend/backend.php';