prevent payment if products at 0 or none

lacagette_addons/lacagette_custom_pos/static/src/js/screens.js

@@ -132,6 +132,57 @@ odoo.define("lacagette_custom_pos.screens", function (require) {
         }
     });
 
+    screens.ActionpadWidget.include({
+        renderElement: function() {
+            this._super();
+
+            this.$('.pay').off('click');  // remove base event to redirect to payment screen
+            this.$('.pay').click(() => {
+                // Get order lines
+                let orderlines = this.pos.get_order().orderlines.models
+
+                // Prevent payment if the order is empty
+                if (orderlines.length == 0) {
+                    this.gui.show_popup("alert", {
+                        'title': _t("Paiement non autorisé"),
+                        'body':  _t("Le panier doit contenir au moins 1 article.")
+                    });
+                    return;
+                }
+
+                // Prevent payment if any line in order has a 0 qty
+                let products_empty_qty = []
+                for (let orderline of orderlines) {
+                    if (orderline.quantity === 0) {
+                        products_empty_qty.push(orderline);
+                    }
+                }   
+
+                if (products_empty_qty.length > 0) {
+                    let msg = products_empty_qty.length > 1 ? "Les articles " : "L'article ";
+
+                    products_empty_qty.forEach((el) => {
+                        msg += el.product.display_name + ", ";
+                    });
+
+                    msg = msg.substring(0, msg.length - 2); // Remove last ", "
+
+                    msg += products_empty_qty.length > 1 ? " ont " : " a ";
+                    msg += "une quantité de zéro";
+
+                    this.gui.show_popup("alert", {
+                        'title': _t("Paiement non autorisé"),
+                        'body':  msg
+                    });
+                    return;
+                }
+
+                // Redirect if all checks passed
+                this.gui.show_screen('payment');
+            });
+        }
+    });
+
     screens.ScreenWidget.include({
         init: function(parent,options){
             this._super(parent,options);