code: func (o *InvitationManager) HasEmailInvite(globalid string, email string) (hasInvite bool, err error) {
  	count, err := o.collection.Find(bson.M{"organization": globalid, "emailaddress": email}).Count()
  	return count != 0, err
  }
docs: // HasEmailInvite Checks if an emailaddress has an invite to an organization