//Call for listing all users with their permissions - needed for control panel
//Users without permissions also included
//
const handleListPerm = (req, res, db) => {
   
   db.transaction ( trx => {
        trx.select('users.username', 'permissions.objname', 'permissions.type')
        .from('groups')
        .fullOuterJoin('permissions', function () {
            this.on('groups.groupname', '=', 'permissions.owner')
        })
        .rightJoin('users', function () {
            this.on('groups.username', 'ilike','users.username')
            .orOn('permissions.owner', 'ilike', 'users.username')
        })
        .orderBy('username', '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
}