more refactoring

Author: odeimaiz

services/static-webserver/client/source/class/osparc/store/Study.js

@@ -218,6 +218,18 @@ qx.Class.define("osparc.store.Study", {
           console.error("Failed to fetch pricing units:", err);
           throw err;
         });
-    }
+    },
+
+    updateSelectedPricingUnit: function(studyId, nodeId, planId, selectedUnitId) {
+      const params = {
+        url: {
+          studyId,
+          nodeId,
+          pricingPlanId: planId,
+          pricingUnitId: selectedUnitId
+        }
+      };
+      return osparc.data.Resources.fetch("studies", "putPricingUnit", params);
+    },
   }
 });

services/static-webserver/client/source/class/osparc/study/NodePricingUnits.js

@@ -74,15 +74,7 @@ qx.Class.define("osparc.study.NodePricingUnits", {
 
   statics: {
     patchPricingUnitSelection: function(studyId, nodeId, planId, selectedUnitId) {
-      const params = {
-        url: {
-          studyId,
-          nodeId,
-          pricingPlanId: planId,
-          pricingUnitId: selectedUnitId
-        }
-      };
-      return osparc.data.Resources.fetch("studies", "putPricingUnit", params);
+      return osparc.store.Study.updateSelectedPricingUnit(studyId, nodeId, planId, selectedUnitId);
     }
   },