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

* 👕

app/models/BaseModel.js

@@ -1,3 +1,50 @@
 // @flow
-import BaseStore from 'stores/BaseStore';
-export default BaseStore;
+import { set, observable } from 'mobx';
+
+export default class BaseModel {
+  @observable id: string;
+  @observable isSaving: boolean;
+  store: *;
+
+  constructor(fields: Object, store: *) {
+    set(this, fields);
+    this.store = store;
+  }
+
+  save = async params => {
+    this.isSaving = true;
+
+    try {
+      // ensure that the id is passed if the document has one
+      if (params) params = { ...params, id: this.id };
+      await this.store.save(params || this.toJS());
+
+      // if saving is successful set the new values on the model itself
+      if (params) set(this, params);
+      return this;
+    } finally {
+      this.isSaving = false;
+    }
+  };
+
+  fetch = (options: *) => {
+    return this.store.fetch(this.id, options);
+  };
+
+  refresh = () => {
+    return this.fetch({ force: true });
+  };
+
+  delete = async () => {
+    this.isSaving = true;
+    try {
+      return await this.store.delete(this);
+    } finally {
+      this.isSaving = false;
+    }
+  };
+
+  toJS = () => {
+    return { ...this };
+  };
+}