Resilient to collection or document not existing

server/api/documents.js

@@ -40,7 +40,7 @@ router.post('documents.viewed', auth(), pagination(), async ctx => {
   const views = await View.findAll({
     where: { userId: user.id },
     order: [[sort, direction]],
-    include: [{ model: Document }],
+    include: [{ model: Document, required: true }],
     offset: ctx.state.pagination.offset,
     limit: ctx.state.pagination.limit,
   });

server/presenters/document.js

@@ -36,7 +36,7 @@ async function present(ctx: Object, document: Document, options: ?Options) {
     views: undefined,
   };
 
-  if (document.private) {
+  if (document.private && document.collection) {
     data.collection = await presentCollection(ctx, document.collection);
   }