Base model refactor (#810)

* Big upgrades

* WIP: Stash

* Stash, 30 flow errors left

* Downgrade mobx

* WIP

* When I understand the difference between class and instance methods

* 💚

* Fixes: File import
Model saving edge cases
pinning and starring docs
Collection editing
Upgrade mobx devtools

* Notification settings saving works

* Disabled settings

* Document mailer

* Working notifications

* Colletion created notification
Ensure not notified for own actions

* Tidy up

* Document updated event only for document creation
Add indexes
Notification setting on user creation

* Commentary

* Fixed: Notification setting on signup

* Fix document move / duplicate stale data
Add BaseModel.refresh method

* Fixes: Title in sidebar not updated after editing document

* 💚

* Improve / restore error handling
Better handle offline errors

* 👕

server/utils/renderpage.js

@@ -13,7 +13,13 @@ import theme from '../../shared/styles/theme';
 const sheet = new ServerStyleSheet();
 
 export default function renderpage(ctx: Object, children: React.Node) {
-  const sessions = JSON.parse(ctx.cookies.get('sessions') || '{}');
+  let sessions = {};
+  try {
+    sessions = JSON.parse(ctx.cookies.get('sessions') || '{}');
+  } catch (err) {
+    console.error(`Sessions cookie could not be parsed: ${err}`);
+  }
+
   const loggedIn = !!(
     ctx.cookies.get('accessToken') || Object.keys(sessions).length
   );