get related products exclude duplicates

products/utils.py

@@ -91,35 +91,40 @@ def get_related_products(product):
     """
     total_results = []
 
+    ids = []
+
     # search by category
-    category_qs = Product.objects.filter(category=product.category)[:10]
+    category_qs = Product.objects.filter(active=True, category=product.category)[:10]
     # add to results
     for item in category_qs:
         total_results.append(item)
+        ids.append(item.id)
 
     # check size
     if len(total_results) < 10:
         # search by tags
-        tags_qs = Product.objects.filter(tags__in=product.tags.all())[:10]
+        tags_qs = Product.objects.filter(active=True, tags__in=product.tags.all()).exclude(pk__in=ids)[:10]
         # add to results
         for item in tags_qs:
             total_results.append(item)
+            ids.append(item.id)
 
     # check size
     if len(total_results) < 10:
         # search by coop
-        coop_qs = Product.objects.filter(company=product.company)[:10]
+        coop_qs = Product.objects.filter(active=True, company=product.company).exclude(pk__in=ids)[:10]
         # add to results
         for item in coop_qs:
             total_results.append(item)
+            ids.append(item.id)
 
-    # check size
-    if len(total_results) < 10:
-        # search by latest
-        latest_qs = Product.objects.order_by('-created')[:10]
-        # add to results
-        for item in coop_qs:
-            total_results.append(item)
+    # get non related products. not necessary
+    # if len(total_results) < 10:
+    #     # search by latest
+    #     latest_qs = Product.objects.order_by('-created').exclude(pk__in=ids)[:10]
+    #     # add to results
+    #     for item in latest_qs:
+    #         total_results.append(item)
 
     return total_results[:10]