performance improvement

catalog/static/js/dataRetrieval.js

@@ -390,7 +390,7 @@ $(document).ready(function () {
                             },
                             dataType : 'json',
                             success  : function (data) {
-                                productUUIDListCart = [];
+                                // productUUIDListCart = [];
                                 data.product_list.forEach(function (product) {
                                     var temp_2 = document.querySelector('#product_cart_2');
                                     
@@ -420,4 +420,38 @@ $(document).ready(function () {
             }
         }
     });
+
+    
+    //compra de producto(s) que está(n) en el carrito
+    $('#purchased-product-form').submit(function (event) {
+        event.preventDefault();
+        var ul_element = document.getElementById('product-list-cart');
+
+        if (ul_element.firstChild) {
+            console.log("productUUIDListCart: ", productUUIDListCart);
+            var productObject = {};
+
+            productListGlobe.forEach(function (data) {
+                if (productUUIDListCart.indexOf(data.uuid) > -1) {
+                    productObject[data.uuid] = data.product;
+                }
+            });
+
+            // L1C product download petition
+            $.ajax({
+                type : "POST",
+                url  : purch_prod_url,
+                data : {
+                    'csrfmiddlewaretoken' : document.getElementsByName('csrfmiddlewaretoken')[0].value,
+                    'product_objects'   : JSON.stringify(productObject)
+                },
+                dataType : 'json'
+            });
+        } else {
+            mssgModal({
+                title : "No products available!",
+                body  : "There are no products charged in cart yet."
+            });
+        }
+    });
 });

catalog/templates/map.html

@@ -252,10 +252,11 @@
     osmap.geolocation();
     osmap.addInteraction();
 
-    var req_url              = "{% url 'search-submit' %}";  // url for requesting polygon data
-    var prod_req_url         = "{% url 'productList' %}"     // url for requesting product data
-    var img_req_url          = "{% url 'img-rqst' %}"        // url for requesting preview image
-    var prod_cart_url        = "{% url 'cart-rqst' %}"       // url for requesting product saving in cart
-    var prod_from_cartDB_url = "{% url 'from-cart-rqst' %}"  // url for requesting product from cart table in DB
+    var req_url              = "{% url 'search-submit' %}";   // url for requesting polygon data
+    var prod_req_url         = "{% url 'productList' %}";     // url for requesting product data
+    var img_req_url          = "{% url 'img-rqst' %}";        // url for requesting preview image
+    var prod_cart_url        = "{% url 'cart-rqst' %}";       // url for requesting product saving in cart
+    var prod_from_cartDB_url = "{% url 'from-cart-rqst' %}";  // url for requesting product from cart table in DB
+    var purch_prod_url       = "{% url 'purch-prod-rqst' %}";
   </script>
 {% endblock %}

catalog/urls.py

@@ -10,6 +10,7 @@ urlpatterns = [
     url(r'^searchsubmit/$', views.SearchSubmitView.as_view(), name='search-submit'),
     url(r'^imgrequest/$', views.requestToImage, name='img-rqst'),
     url(r'^cartrequest/$', views.saveInCart, name='cart-rqst'),
-    url(r'^fromcartrqst/$', views.getFromCart, name='from-cart-rqst')
+    url(r'^fromcartrqst/$', views.getFromCart, name='from-cart-rqst'),
+    url(r'^purchcartrqst/$', views.purchaseProduct, name='purch-prod-rqst')
 ]
 

catalog/views.py

@@ -198,6 +198,29 @@ def getFromCart(request):
 
     return JsonResponse({'product_list': prod_list})
 
+#-------------------------------------------------------------------------------
+def purchaseProduct(request):
+    """
+    For now to purchase a product consists in verifying whether L1C products in cart already exist in DB.
+    """
+
+    products = json.loads(request.POST['product_objects'])
+    orderedProducts = OrderedDict()
+
+    for p_uuid in products.keys():
+        PRODUCT_EXISTS = Product_l1c.objects.filter(uuid=p_uuid).exists()
+
+        if not PRODUCT_EXISTS:
+            orderedProducts[p_uuid] = products[p_uuid]
+
+    print orderedProducts
+    return HttpResponse(status=204)
+
+    ## TODO: Implement a webservice in server for downloading those non-existing L1C products. ##
+
+
+
+
 #-------------------------------------------------------------------------------
 # def purchaseProduct(request):
 #     """