code: func (o *InvitationManager) FilterByOrganization(globalID string, status string) ([]JoinOrganizationInvitation, error) {
  	orgRequests := []JoinOrganizationInvitation{}
  	if status == "" {
  		return o.GetByOrganization(globalID)
  	}
  	qry := bson.M{
  		"organization": globalID,
  		"status":       status,
  	}
  	err := o.collection.Find(qry).All(&orgRequests)
  	return orgRequests, err
  }
docs: // FilterByOrganization gets all invitations for a user, filtered on status