cart management

catalog/static/js/dataRetrieval.js

@@ -151,7 +151,7 @@ $(document).ready(function () {
     var typingInterval   = 800; //milliseconds
     var productListPrev  = [];
     var productListGlobe = [];
-    var productListCart  = {};   // this array represent DB where products will be stored
+    var productListCart  = [];   // this array represent DB where products will be stored
 
     // On keyup, start the contdown
     $('#ajax-input').on('input', function () {
@@ -261,6 +261,7 @@ $(document).ready(function () {
 
 
 
+    // agrega producto al carrito
     $('#product-to-cart-form').submit(function (event) {
         var submit_data = $('#product-to-cart-form').serialize();
 
@@ -274,12 +275,13 @@ $(document).ready(function () {
         var submit_data_array = submit_data.split("&product_selected=");
 
         PRODUCT_COUNTER += 1; // this variable counts the number of products in shopping cart
+        PRODUCT_COUNTER_STR = PRODUCT_COUNTER.toString();
 
         var temp_1  = document.querySelector('#product_cart_1');
-        var prod_id = temp_1.content.querySelectorAll('ul')[1].id + "-" + PRODUCT_COUNTER.toString();
+        var prod_id = temp_1.content.querySelectorAll('ul')[1].id + "-" + PRODUCT_COUNTER_STR;
         
         // filling template
-        temp_1.content.querySelector('span').textContent = "Product " + PRODUCT_COUNTER.toString();
+        temp_1.content.querySelector('span').textContent = "Product " + PRODUCT_COUNTER_STR;
         temp_1.content.querySelectorAll('ul')[1].id      = prod_id;
 
         var clone_1 = document.importNode(temp_1.content, true);
@@ -292,6 +294,8 @@ $(document).ready(function () {
             if (submit_data_array.indexOf(data.id) > -1) {
                 console.log("DATA sí esta: ", data.id);
                 console.log("SS: ", data.product.size);
+                productListCart.push(data.product);
+                // productListCart.push(data.id);
                 erase_product_list_globe_by_id(data.id);
 
                 var temp_2 = document.querySelector('#product_cart_2');
@@ -308,7 +312,42 @@ $(document).ready(function () {
 
                 var clone_2 = document.importNode(temp_2.content, true);
                 document.querySelector('#' + prod_id).appendChild(clone_2);
+
+                // guardado de producto en carrito
+                //variable prod_cart_url en map.html
+                // $.ajax({
+                //     type : 'POST',
+                //     url  : prod_cart_url,
+                //     data : {
+                //         'csrfmiddlewaretoken' : document.getElementsByName('csrfmiddlewaretoken')[0].value,
+                //         'product'             : JSON.stringify(data.product),
+                //         'product_num'         : PRODUCT_COUNTER_STR
+                //     },
+                //     dataType : 'json'
+                // });
             }
         });
     });
+
+
+
+    // genera la compra del producto
+    $('#purchased-product-form').submit(function (event) {
+        var submit_data = $('#purchased-product-form').serialize();
+
+        event.preventDefault();
+
+        console.log("Submitted data:", typeof(submit_data));
+        console.log("Submitted data:", submit_data);
+
+        $.ajax({
+            type : 'POST',
+            url  : purch_prod_url,
+            data : {
+                'csrfmiddlewaretoken' : document.getElementsByName('csrfmiddlewaretoken')[0].value,
+                'product_list'        : JSON.stringify(productListCart)
+            },
+            dataType : 'json'
+        });
+    });
 });

catalog/templates/base_top.html

@@ -121,18 +121,21 @@
           <!-- /.tab-pane -->
           <!-- Settings tab content --> 
           <div class="tab-pane" id="control-sidebar-settings-tab">
+            <form id='purchased-product-form' role="form" method="post">
+              {% csrf_token %}
               <div class="container">
                 <div class="sidebar-title">
                   <h3><b>My cart</b></h3>
                 </div>
                 <div class="sidebar-button">
-                <button type="button" name="search" id="add-cart" class="btn btn-primary">
-                  Buy products
+                  <button type="submit" name="search" id="purchase" class="btn btn-primary">
+                    Purchase
                   </button>
                 </div>
               </div>
               <!-- this ul element is filled with data -->
               <ul id="product-list-cart" class="sidebar-menu" data-widget="tree"></ul>
+            </form>
           </div>
           <!-- /.tab-pane -->
         </div>

catalog/templates/map.html

@@ -253,5 +253,7 @@
     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 purch_prod_url = "{% url 'purch-rqst' %}"     // url for requesting product purschase
   </script>
 {% endblock %}

catalog/urls.py

@@ -8,6 +8,8 @@ urlpatterns = [
     url(r'^productlist/$', views.productList, name='productList'),
     url(r'^regionsearched/$', views.regionSearched, name='regionSearched'),
     url(r'^searchsubmit/$', views.SearchSubmitView.as_view(), name='search-submit'),
-    url(r'^imgrequest/$', views.requestToImage, name='img-rqst')
+    url(r'^imgrequest/$', views.requestToImage, name='img-rqst'),
+    url(r'^cartrequest/$', views.saveInCart, name='cart-rqst'),
+    url(r'^purchrequest/$', views.purchaseProduct, name='purch-rqst')
 ]
 

catalog/views.py

@@ -2,12 +2,15 @@
 from __future__ import unicode_literals
 from django.shortcuts import render
 from catalog.forms import ASFSearchForm
-from catalog.models import Polygon
+from catalog.models import Polygon, CartProduct, Product_l1c, Purchase
 from django.http import HttpResponse, JsonResponse, HttpResponseRedirect
 from django.urls import reverse
 from django.views.generic.base import View
 from django.template import loader, RequestContext
+from django.contrib.auth.models import User
+from django.core import management
 from urllib import urlencode
+from collections import OrderedDict
 import requests, json, unicodedata, sys
 import base64
 
@@ -144,3 +147,87 @@ def regionSearched(request):
         print cityList
 
     return HttpResponseRedirect(reverse('map'))
+
+#-------------------------------------------------------------------------------
+def saveInCart(request):
+    """
+    Saves product in cart DB
+    """
+
+    user        = User.objects.filter(id=request.user.id)[0]
+    product     = json.loads(request.POST['product'])
+    product_num = int(request.POST['product_num'])
+    # print json.dumps(product, indent=3, sort_keys=True)
+    
+    cartProd = CartProduct(
+        user      = user,
+        prod_uuid = product['uuid'],
+        prod_num  = product_num,
+        purchased = False
+    )
+    
+    cartProd.save()
+
+
+    return HttpResponse(status=204)
+
+#-------------------------------------------------------------------------------
+def purchaseProduct(request):
+    """
+    For now to purchase a product consists in downloading L1C products and saving them in DB.
+    """
+    ################# DEFINE PATH ##########################
+    prod_dir             = 'my_path'
+    ########################################################
+    products_to_download = {
+        'uuid' : [],
+        'id'   : []
+    }
+
+    user             = User.objects.filter(id=request.user.id)[0]
+    prod_purchased = json.loads(request.POST['product_list'])
+    # prod_purchased   = ['S2B_MSIL1C_20171226T162659_N0206_R040_T16QBJ_20171226T212212', 'S2B_MSIL1C_20180326T161909_N0206_R040_T15QZD_20180326T195757']
+    
+    for p in prod_purchased:
+        p_uuid         = p['uuid']
+        p_identifier   = p['identifier']
+        PRODUCT_EXISTS = Product_l1c.objects.filter(uuid=p_uuid).exists()
+
+        if not PRODUCT_EXISTS:
+            products_to_download['uuid'].append(p_uuid)
+            products_to_download['id'].append(p_identifier)
+        
+        # print json.dumps(p, indent=3, sort_keys=True)
+    
+    ## Saves data to DB using populate_products_l1c command ##
+    management.call_command('populate_products_l1c', file_path=prod_dir, products_list=products_to_download['id'])
+
+    ## Register of user purchase ##
+    purch = Purchase(user=user)
+    purch.save()
+    
+    for p_uuid in products_to_download['uuid']:
+        prod_l1c = Product_l1c.objects.get(uuid=p_uuid)
+        purch.prod_list.add(prod_l1c)
+
+
+
+
+
+    ### TODO: Download products somewhere .. ###
+    # sentinel.downloadProducts(products, prod_dir)
+    
+
+    ###  After that the code below is executed  ###
+    # purch = Purchase(user=user)
+    # purch.save()
+
+    # # for prod_uuid in prod_purchased:
+    # for prod_id in prod_purchased:
+    #     # prod_l1c = Product_l1c.objects.get(uuid=prod_uuid)
+    #     prod_l1c = Product_l1c.objects.get(identifier=prod_id)
+    #     print prod_l1c
+    #     purch.prod_list.add(prod_l1c)
+
+
+    return HttpResponse(status=204)