feat(all): migrate to react [WIP]

fixes #53

admin/components/index.js

@@ -0,0 +1,5 @@
+import React from 'react';
+
+const App = () => <div>Frontity</div>;
+
+export default App;

admin/frontity-admin.js

@@ -0,0 +1,5 @@
+import React from 'react';
+import { render } from 'react-dom';
+import App from './components';
+
+render(<App />, window.document.getElementById('root'));

admin/frontity-admin.php

@@ -0,0 +1,56 @@
+<?php
+	global $wp_pwa;
+
+	$settings = get_option('wp_pwa_settings');
+	//var_dump($settings);
+	//delete_option('wp_pwa_settings');
+	$current_user = wp_get_current_user();
+
+	if (isset($settings["synced_with_wp_pwa"])) {
+		$synced_with_wp_pwa = $settings["synced_with_wp_pwa"];
+	} else {
+		$synced_with_wp_pwa = false;
+	}
+
+	if (isset($settings["wp_pwa_status"])) {
+		$wp_pwa_status = $settings["wp_pwa_status"];
+	} else {
+		$wp_pwa_status = 'disabled';
+	}
+
+	if (isset($settings["wp_pwa_amp"])) {
+		$wp_pwa_amp = $settings["wp_pwa_amp"];
+	} else {
+		$wp_pwa_amp = 'disabled';
+	}
+
+	/* step & progress */
+	$progress = 0;
+	$step = 0;
+	$wp_version = get_bloginfo('version');
+	$rest_api_installed = $wp_pwa->rest_api_installed;
+	$rest_api_active = $wp_pwa->rest_api_active;
+	$rest_api_compatible = true;
+
+	if (version_compare($wp_version, '4.7', '>=')) { //From WP 4.7, the REST API is already installed.
+		$rest_api_installed = true;
+		$rest_api_active = true;
+	}
+
+	if (version_compare($wp_version, '4.4', '<')) { //REST API Plugin is only compatible from WP 4.4 ahead
+		$rest_api_compatible = false;
+	} else if (!$rest_api_installed) {
+		$step = 1;
+	} else if ($rest_api_installed && !$rest_api_active) {
+		$step = 2;
+		$progress = 33;
+	} else if ( $rest_api_installed && $rest_api_active && !$synced_with_wp_pwa) {
+		$step = 3;
+		$progress = 66;
+	} else if ( $rest_api_installed && $rest_api_active && $synced_with_wp_pwa) {
+		$step = 4;
+		$progress = 100;
+	}
+?>
+<div id='root'></div>
+