Draft Documents (#518)

* Mostly there

* Fix up specs

* Working scope, updated tests

* Don't record view on draft

* PR feedback

* Highlight drafts nav item

* Bugaboos

* Styling

* Refactoring, gradually addressing Jori feedback

* Show collection in drafts list
Flow fixes

* Ensure menu actions are hidden when draft

app/models/Document.js

@@ -33,6 +33,7 @@ class Document extends BaseModel {
   text: string = '';
   title: string = '';
   parentDocument: ?string;
+  publishedAt: ?string;
   updatedAt: string;
   updatedBy: User;
   url: string;
@@ -71,8 +72,7 @@ class Document extends BaseModel {
 
     if (this.collection.documents) {
       traveler(this.collection.documents, []);
-      invariant(path, 'Path is not available for collection, abort');
-      return path;
+      if (path) return path;
     }
 
     return [];
@@ -145,7 +145,7 @@ class Document extends BaseModel {
   };
 
   @action
-  save = async () => {
+  save = async (publish: boolean = false) => {
     if (this.isSaving) return this;
     this.isSaving = true;
 
@@ -157,6 +157,7 @@ class Document extends BaseModel {
           title: this.title,
           text: this.text,
           lastRevision: this.revision,
+          publish,
         });
       } else {
         const data = {
@@ -164,6 +165,7 @@ class Document extends BaseModel {
           collection: this.collection.id,
           title: this.title,
           text: this.text,
+          publish,
         };
         if (this.parentDocument) {
           data.parentDocument = this.parentDocument;