//Call for listing all groups with their permissions - needed for control panel
//Groups without permissions also included
//
const handleListPerm = (req, res, db) => {

    db.transaction ( trx => {
        trx.select('groups.groupname', 'permissions.objname', 'permissions.type')
        .from('groups')
        .leftJoin('permissions', function () {
            this.on('groups.groupname', 'ilike','permissions.owner')
        })
        .where('username', 'like', '')
        .orderBy('groupname', 'asc')
        .orderBy('objname', 'asc')
        .then ( data => {
            res.json(data);
        })
        .then(trx.commit)
        .catch(trx.rollback)
        .catch (err => res.status(400).json('Error accesing database.'))
    })
}

module.exports = {
    handleListPerm
}