fix(fragmentRecommendations): reviewers can add only one review on the current version

packages/component-manuscript-manager/src/routes/fragmentsRecommendations/post.js

@@ -58,6 +58,8 @@ module.exports = models => async (req, res) => {
     })
   }
 
+  const fragmentRecommendations = get(fragment, 'recommendations', [])
+
   const authsome = authsomeHelper.getAuthsome(models)
   const target = {
     fragment,
@@ -87,6 +89,17 @@ module.exports = models => async (req, res) => {
       .json({ error: 'Cannot write a review on an older version.' })
   }
 
+  if (
+    (recommendationType === recommendations.type.review ||
+      recommendationType === recommendations.type.editor) &&
+    last(collection.fragments) === fragmentId &&
+    !isEmpty(fragmentRecommendations.filter(r => r.userId === req.user))
+  ) {
+    return res
+      .status(400)
+      .json({ error: 'Cannot write another review on this version.' })
+  }
+
   if (
     recommendation === recommendations.publish &&
     recommendationType === recommendations.type.editor &&