Add new pricing system (#65)

api/models/external_print_product.py

@@ -30,7 +30,13 @@ def get_external_print_product(id):
     return external_product
 
 
-def get_cheapest_canvas_product():
+def get_cheapest_canvas_product(new_version):
+    if new_version:
+        # We simply return the smallest size, assuming that is also the cheapest.
+        # It is technically possible that a larger size is cheaper, but unlikely, so we avoid the extra complexity
+        # of calculating the guaranteed cheapest product.
+        return 'canvas_200x300-mm-8x12-inch_canvas_wood-fsc-slim_4-0_ver'
+
     sql = "select external_product_id from external_print_products where group_id = 2 order by price_sek limit 1"
     result = db.session.execute(sql)
     external_id = result.first()[0]
@@ -38,7 +44,10 @@ def get_cheapest_canvas_product():
     return external_id
 
 
-def get_cheapest_poster_product():
+def get_cheapest_poster_product(new_version):
+    if new_version:
+        return 'flat_250x250-mm-10x10-inch_200-gsm-80lb-uncoated_4-0_ver'
+
     sql = "select external_product_id from external_print_products where group_id in (7,8) order by price_sek limit 1"
     result = db.session.execute(sql)
     external_id = result.first()[0]