Returning public user info.

models/user.js

@@ -402,7 +402,7 @@ UserService.findById = (id) => {
 };
 
 /**
- * Finds users in an array of idd.
+ * Finds users in an array of ids.
  * @param {Array} ids  array of user identifiers (uuid)
 */
 UserService.findByIdArray = (ids) => {
@@ -411,6 +411,16 @@ UserService.findByIdArray = (ids) => {
   });
 };
 
+/**
+ * Finds public user information by an array of ids.
+ * @param {Array} ids  array of user identifiers (uuid)
+*/
+UserService.findPublicByIdArray = (ids) => {
+  return UserModel.find({
+    'id': {$in: ids}
+  }, 'id displayName');
+};
+
 /**
  * Creates a JWT from a user email. Only works for local accounts.
  * @param {String} email of the local user

tests/models/user.js

@@ -43,6 +43,23 @@ describe('User: models', () => {
     });
   });
 
+  describe('#findPublicByIdArray()', () => {
+    it('should find an array of users from an array of ids', () => {
+      const ids = mockUsers.map((user) => user.id);
+      return User.findPublicByIdArray(ids).then((result) => {
+        expect(result).to.have.length(3);
+        const sorted = result.sort((a, b) =>     {
+          if(a.displayName < b.displayName) {return -1;}
+          if(a.displayName > b.displayName) {return 1;}
+          return 0;
+        });
+        console.log(sorted);
+        expect(sorted[0]).to.have.property('displayName')
+          .and.to.equal('Marvel');
+      });
+    });
+  });
+
   describe('#findLocalUser', () => {
 
     it('should find a user when we give the right credentials', () => {