/**
* Add a discount line into invoice using an existing absolute discount
*
* @param int $idremise Id of absolute discount
* @return int >0 if OK, <0 if KO
*/
function insert_discount($idremise)
{
global $langs;
include_once DOL_DOCUMENT_ROOT . '/core/lib/price.lib.php';
include_once DOL_DOCUMENT_ROOT . '/core/class/discount.class.php';
$this->db->begin();
$remise = new DiscountAbsolute($this->db);
$result = $remise->fetch($idremise);
if ($result > 0) {
if ($remise->fk_facture) {
$this->error = $langs->trans("ErrorDiscountAlreadyUsed");
$this->db->rollback();
return -5;
}
$facligne = new FactureLigne($this->db);
$facligne->fk_facture = $this->id;
$facligne->fk_remise_except = $remise->id;
$facligne->desc = $remise->description;
// Description ligne
$facligne->tva_tx = $remise->tva_tx;
$facligne->subprice = -$remise->amount_ht;
$facligne->fk_product = 0;
// Id produit predefini
$facligne->qty = 1;
$facligne->remise_percent = 0;
$facligne->rang = -1;
$facligne->info_bits = 2;
$facligne->total_ht = -$remise->amount_ht;
$facligne->total_tva = -$remise->amount_tva;
$facligne->total_ttc = -$remise->amount_ttc;
$lineid = $facligne->insert();
if ($lineid > 0) {
$result = $this->update_price(1);
if ($result > 0) {
// Create linke between discount and invoice line
$result = $remise->link_to_invoice($lineid, 0);
if ($result < 0) {
$this->error = $remise->error;
$this->db->rollback();
return -4;
}
$this->db->commit();
return 1;
} else {
$this->error = $facligne->error;
$this->db->rollback();
return -1;
}
} else {
$this->error = $facligne->error;
$this->db->rollback();
return -2;
}
} else {
$this->db->rollback();
return -3;
}
}
