Merge branch 'submit-revision' into 'develop'

Submit revision

See merge request !11

packages/component-user-manager/src/routes/fragmentsUsers/get.js

+const { services } = require('pubsweet-component-helper-service')
+
+module.exports = models => async (req, res) => {
+  // TO DO: add authsome
+  const { collectionId, fragmentId } = req.params
+  try {
+    const collection = await models.Collection.find(collectionId)
+    if (!collection.fragments.includes(fragmentId))
+      return res.status(400).json({
+        error: `Fragment ${fragmentId} does not match collection ${collectionId}`,
+      })
+
+    const { authors = [] } = await models.Fragment.find(fragmentId)
+    return res.status(200).json(authors)
+  } catch (e) {
+    const notFoundError = await services.handleNotFoundError(e, 'item')
+    return res.status(notFoundError.status).json({
+      error: notFoundError.message,
+    })
+  }
+}