[FIX] imprimir por categoria y imprimir una sola vez el pedido

static/src/js/main.js

@@ -21,6 +21,7 @@ openerp.eiru_kitchen_ticket = function (instance) {
         show: function(){
             this._super();
             var self = this;
+
             var back_button  = this.add_action_button({
                 label: _t('Back'),
                 icon: '/point_of_sale/static/src/img/icons/png48/go-previous.png',
@@ -29,6 +30,7 @@ openerp.eiru_kitchen_ticket = function (instance) {
                 },
             });
             this.refresh();
+            this.saveChanges();
         },
 
         print: function() {
@@ -42,13 +44,10 @@ openerp.eiru_kitchen_ticket = function (instance) {
                 this.pos_widget.screen_selector.set_current_screen(previous);
             }
         },
-        
-        refresh: function() {
-            var self = this;
-            var order = this.pos.get('selectedOrder');
-            var categories = self.pos.printers[0].config.product_categories_ids;
+
+        lineResume: function(){
             var resume = {};
-            
+            var order = this.pos.get('selectedOrder');
             order.get('orderLines').each(function(item){
                 var line = item.export_as_JSON();
                 if( typeof resume[line.product_id] === 'undefined'){
@@ -57,19 +56,60 @@ openerp.eiru_kitchen_ticket = function (instance) {
                     resume[line.product_id] += line.qty;
                 }
             });
+            return resume;
+        },
+
+        saveChanges: function(){
+            this.old_resume = this.lineResume();
+        },
+        
+        refresh: function() {
+            var self = this;
+            var order = this.pos.get('selectedOrder');
+            var categories = self.pos.printers[0].config.product_categories_ids;
             
-            var current = resume;
+            // **************************************************
+
+            var current = this.lineResume();
+            var old     = this.old_resume || {};
             var add = [];
+            var rem = [];
+
+            for(product in current){
+                if (typeof old[product] === 'undefined'){
+                    add.push({
+                        'id': product,
+                        'name': this.pos.db.get_product_by_id(product).display_name,
+                        'quantity': current[product],
+                    });
+                }else if( old[product] < current[product]){
+                    add.push({
+                        'id': product,
+                        'name': this.pos.db.get_product_by_id(product).display_name,
+                        'quantity': current[product] - old[product],
+                    });
+                }else if( old[product] > current[product]){
+                    rem.push({
+                        'id': product,
+                        'name': this.pos.db.get_product_by_id(product).display_name,
+                        'quantity': old[product] - current[product],
+                    });
+                }
+            }
 
-            for( product in current){
-                add.push({
-                    'id': product,
-                    'name': this.pos.db.get_product_by_id(product).display_name,
-                    'quantity': current[product],
-                });
+            for( product in old){
+                if(typeof current[product] === 'undefined'){
+                    rem.push({
+                        'id': product,
+                        'name': this.pos.db.get_product_by_id(product).display_name,
+                        'quantity': old[product], 
+                    });
+                }
             }
 
             if(categories && categories.length > 0){
+
+                var self = this;
                 function product_in_category(product_id){
                     var cat = self.pos.db.get_product_by_id(product_id).pos_categ_id[0];
                     while(cat){
@@ -80,19 +120,29 @@ openerp.eiru_kitchen_ticket = function (instance) {
                         }
                         cat = self.pos.db.get_category_parent_id(cat);
                     }
-
                     return false;
                 }
 
                 var _add = [];
+                var _rem = [];
+                
                 for(var i = 0; i < add.length; i++){
                     if(product_in_category(add[i].id)){
                         _add.push(add[i]);
                     }
                 }
                 add = _add;
+
+                for(var i = 0; i < rem.length; i++){
+                    if(product_in_category(rem[i].id)){
+                        _rem.push(rem[i]);
+                    }
+                }
+                rem = _rem;
             }
 
+            // ******************************************
+
             $('.pos-receipt-container', this.$el).html(QWeb.render('KitchenTicket',{
                 widget:this,
                 order: order,
@@ -106,7 +156,6 @@ openerp.eiru_kitchen_ticket = function (instance) {
         build_widgets: function(){
             var self = this;
             this._super();
-
             this.kitchen_ticket_screen = new module.KitchenTicketScreenWidget(this,{});
             this.kitchen_ticket_screen.appendTo(this.$('.screens'));
             this.screen_selector.add_screen('kitchenticket',this.kitchen_ticket_screen);