Added support for sending customer emails

backend/app/plugins/wiaas/includes/api/class-wiaas-support-api.php

@@ -0,0 +1,65 @@
+<?php
+
+class Wiaas_Support_Api {
+
+    /**
+     * Endpoint namespace.
+     *
+     * @var string
+     */
+    private static $namespace = 'wiaas';
+
+    private static $rest_base = 'support';
+
+
+    public static function register_routes() {
+
+        register_rest_route(self::$namespace,  self::$rest_base . '/sendSupportMail', array(
+            'methods' => 'POST',
+            'callback' => array(__CLASS__, 'send_support_email'),
+            'permission_callback' => 'is_user_logged_in',
+            //this.props.order, this.props.order.packages, this.props.supportText
+            'args' => array(
+                'id' => array(
+                    'description' => __('Order ID.', 'wiaas'),
+                    'type' => 'integer',
+                    'required' => true,
+                    'sanitize_callback' => 'absint',
+                ),
+                'supportText' => array(
+                    'description' => __('Email text.', 'wiaas'),
+                    'type' => 'string',
+                    'required' => true
+                )
+            )
+        ));
+    }
+
+    /**
+     * Send support email and save massage to order notes
+     *
+     * @param WP_REST_Request $request Request data.
+     *
+     * @return WP_REST_Response
+     */
+    public static function send_support_email($request) {
+
+        $order_id = $request['id'];
+        $message = $request['supportText'];
+
+        $mailer = WC()->mailer();
+
+        $recipient = WIAAS_SUPPORT_EMAIL;
+        $subject = __("Customer comment for order id: ".$order_id);
+
+        $headers = array();
+        $success = $mailer->send( $recipient, $subject, $message, $headers );
+
+        if ($success) {
+            wc_create_order_note($message = $request['id'] , $message, true  );
+            return wiaas_api_notice('EMAIL_SENT', 'success');
+        }
+
+        return wiaas_api_notice('EMAIL_NOT_SENT', 'failed');
+    }
+}