From ae11dbdc97b9eefc7a74f74995544c1ca59b54f9 Mon Sep 17 00:00:00 2001
From: SleepWalker <mybox@udf.su>
Date: Fri, 29 Jul 2016 22:29:27 +0300
Subject: [PATCH] #149: show bsod for 500 errors

---
 src/components/ui/bsod/dispatchBsod.js | 23 +++++++++++++++++++++++
 src/components/ui/bsod/factory.js      | 18 ++++++++++++++++++
 src/index.js                           |  6 +++---
 src/pages/root/RootPage.jsx            |  7 -------
 src/polyfills.js                       |  3 +++
 src/services/request.js                |  6 +++---
 6 files changed, 50 insertions(+), 13 deletions(-)
 create mode 100644 src/components/ui/bsod/dispatchBsod.js
 create mode 100644 src/components/ui/bsod/factory.js

diff --git a/src/components/ui/bsod/dispatchBsod.js b/src/components/ui/bsod/dispatchBsod.js
new file mode 100644
index 0000000..0954035
--- /dev/null
+++ b/src/components/ui/bsod/dispatchBsod.js
@@ -0,0 +1,23 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+
+import { bsod } from './actions';
+import BSoD from 'components/ui/bsod/BSoD';
+
+let injectedStore;
+let onBsod;
+
+export default function dispatchBsod(store = injectedStore) {
+    store.dispatch(bsod());
+    onBsod && onBsod();
+
+    ReactDOM.render(
+        <BSoD />,
+        document.getElementById('app')
+    );
+}
+
+export function inject(store, stopLoading) {
+    injectedStore = store;
+    onBsod = stopLoading;
+}
diff --git a/src/components/ui/bsod/factory.js b/src/components/ui/bsod/factory.js
new file mode 100644
index 0000000..df0955e
--- /dev/null
+++ b/src/components/ui/bsod/factory.js
@@ -0,0 +1,18 @@
+import request from 'services/request';
+
+import dispatchBsod, { inject } from './dispatchBsod';
+
+export default function factory(store, stopLoading) {
+    inject(store, stopLoading);
+
+    // do bsod for 500 errors
+    request.addMiddleware({
+        catch(resp) {
+            if (resp && resp.originalResponse.status === 500) {
+                dispatchBsod();
+            }
+
+            return Promise.reject(resp);
+        }
+    });
+}
diff --git a/src/index.js b/src/index.js
index a7b665f..a6da188 100644
--- a/src/index.js
+++ b/src/index.js
@@ -10,14 +10,14 @@ import { factory as userFactory } from 'components/user/factory';
 import { IntlProvider } from 'components/i18n';
 import routesFactory from 'routes';
 import storeFactory from 'storeFactory';
+import bsodFactory from 'components/ui/bsod/factory';
 
 const store = storeFactory();
 
+bsodFactory(store, stopLoading);
+
 userFactory(store)
 .then(() => {
-    // allow :active styles in mobile Safary
-    document.addEventListener('touchstart', () => {}, true);
-
     ReactDOM.render(
         <ReduxProvider store={store}>
             <IntlProvider>
diff --git a/src/pages/root/RootPage.jsx b/src/pages/root/RootPage.jsx
index bf56467..afef0f4 100644
--- a/src/pages/root/RootPage.jsx
+++ b/src/pages/root/RootPage.jsx
@@ -6,7 +6,6 @@ import classNames from 'classnames';
 
 import Userbar from 'components/userbar/Userbar';
 import PopupStack from 'components/ui/popup/PopupStack';
-import BSoD from 'components/ui/bsod/BSoD';
 
 import styles from './root.scss';
 
@@ -23,10 +22,6 @@ if (process.env.NODE_ENV === 'production') {
 function RootPage(props) {
     const isRegisterPage = props.location.pathname === '/register';
 
-    if (props.bsod) {
-        return <BSoD />;
-    }
-
     return (
         <div className={styles.root}>
             <div id="view-port" className={classNames(styles.viewPort, {
@@ -61,7 +56,6 @@ RootPage.propTypes = {
         pathname: PropTypes.string
     }).isRequired,
     children: PropTypes.element,
-    bsod: PropTypes.bool.isRequired,
     logout: PropTypes.func.isRequired,
     isPopupActive: PropTypes.bool.isRequired
 };
@@ -70,7 +64,6 @@ import { connect } from 'react-redux';
 import { logout } from 'components/user/actions';
 
 export default connect((state) => ({
-    bsod: state.bsod,
     user: state.user,
     isPopupActive: state.popup.popups.length > 0
 }), {
diff --git a/src/polyfills.js b/src/polyfills.js
index e4d74c1..1e0d2a6 100644
--- a/src/polyfills.js
+++ b/src/polyfills.js
@@ -1,2 +1,5 @@
 import 'babel-polyfill';
 import 'promise.prototype.finally';
+
+// allow :active styles in mobile Safary
+document.addEventListener('touchstart', () => {}, true);
diff --git a/src/services/request.js b/src/services/request.js
index d261814..944b64d 100644
--- a/src/services/request.js
+++ b/src/services/request.js
@@ -54,7 +54,7 @@ export default {
      *                                        return a Promise that resolves to the new response.
      */
     addMiddleware(middleware) {
-        if (!middlewares.find((mdware) => mdware === middleware)) {
+        if (!middlewares.some((mdware) => mdware === middleware)) {
             middlewares.push(middleware);
         }
     }
@@ -62,7 +62,7 @@ export default {
 
 
 const checkStatus = (resp) => Promise[resp.status >= 200 && resp.status < 300 ? 'resolve' : 'reject'](resp);
-const toJSON = (resp) => resp.json();
+const toJSON = (resp) => resp.json().then((json) => ({...json, originalResponse: resp}));
 const rejectWithJSON = (resp) => toJSON(resp).then((resp) => {throw resp;});
 const handleResponseSuccess = (resp) => Promise[resp.success || typeof resp.success === 'undefined' ? 'resolve' : 'reject'](resp);
 
@@ -94,7 +94,7 @@ function runMiddlewares(action, data, restart) {
     return middlewares
         .filter((middleware) => middleware[action])
         .reduce(
-            (promise, middleware) => promise.then((resp) => middleware[action](resp, restart)),
+            (promise, middleware) => promise[/^catch|then$/.test(action) ? action : 'then']((resp) => middleware[action](resp, restart)),
             Promise[action === 'catch' ? 'reject' : 'resolve'](data)
         );
 }