INFRA-3416 | Saurabh | CR shouldn't be required on scale down of resources (#661)

* INFRA-3416 | Saurabh | Added valuesWithWeights in CR

* INFRA-3416 | Saurabh | Added valuesWithWeights in CR

* INFRA-3416 | Saurabh | Added interface

src/helper/ChangeRequest.ts

@@ -1,6 +1,11 @@
 import _ from 'lodash';
 import { toast } from 'react-toastify';
 
+interface ValueWithWeight {
+  type: string;
+  weight: number;
+}
+
 const isTarget = limitObject => {
   return limitObject.hasOwnProperty('approvalFrom');
 };
@@ -55,6 +60,27 @@ const findSingleValue = (limit, value) => {
   return false;
 };
 
+const isWeightGreater = (
+  limit: { valuesWithWeights?: ValueWithWeight[] },
+  value: string,
+  previousValue: string,
+): boolean => {
+  if (!limit.valuesWithWeights) return false;
+
+  const weightsMap = new Map<string, number>();
+
+  limit.valuesWithWeights.forEach(({ type, weight }) => {
+    weightsMap.set(type, weight);
+  });
+
+  const currentWeight = weightsMap.get(value);
+  const previousWeight = weightsMap.get(previousValue);
+
+  return (
+    currentWeight !== undefined && (previousWeight === undefined || currentWeight > previousWeight)
+  );
+};
+
 const isChangeRequestRequired = (limit, value, previousValue, manifestEnv) => {
   if (value === undefined) return false;
   const parsedValue = isString(value) ? parseValue(value) : value;
@@ -85,6 +111,9 @@ const isChangeRequestRequired = (limit, value, previousValue, manifestEnv) => {
       if (findSingleValue(limit, value)) return true;
     }
   }
+  if (limit.hasOwnProperty('valuesWithWeights') && isWeightGreater(limit, value, previousValue)) {
+    return true;
+  }
   if (limit.hasOwnProperty('object')) {
     for (const json of limit.object) {
       const jsonObj = JSON.parse(json);