Reimplement redactObject()

apps/api/src/interceptors/redact-values-in-response.interceptor.ts

@@ -30,28 +30,32 @@ export class RedactValuesInResponseInterceptor<T>
           hasImpersonationId ||
           this.userService.isRestrictedView(request.user)
         ) {
+          const attributes = [
+            'balance',
+            'balanceInBaseCurrency',
+            'comment',
+            'convertedBalance',
+            'dividendInBaseCurrency',
+            'fee',
+            'feeInBaseCurrency',
+            'filteredValueInBaseCurrency',
+            'grossPerformance',
+            'investment',
+            'netPerformance',
+            'quantity',
+            'symbolMapping',
+            'totalBalanceInBaseCurrency',
+            'totalValueInBaseCurrency',
+            'unitPrice',
+            'value',
+            'valueInBaseCurrency'
+          ];
+
+          console.time('oldExecutionTime');
+
           data = redactAttributes({
             object: data,
-            options: [
+            options: attributes.map((attribute) => {
-              'balance',
-              'balanceInBaseCurrency',
-              'comment',
-              'convertedBalance',
-              'dividendInBaseCurrency',
-              'fee',
-              'feeInBaseCurrency',
-              'filteredValueInBaseCurrency',
-              'grossPerformance',
-              'investment',
-              'netPerformance',
-              'quantity',
-              'symbolMapping',
-              'totalBalanceInBaseCurrency',
-              'totalValueInBaseCurrency',
-              'unitPrice',
-              'value',
-              'valueInBaseCurrency'
-            ].map((attribute) => {
               return {
                 attribute,
                 valueMap: {
@@ -60,10 +64,59 @@ export class RedactValuesInResponseInterceptor<T>
               };
             })
           });
+
+          console.timeLog('oldExecutionTime');
+
+          data = this.redactObject({
+            attributes,
+            data,
+            valueMap: {
+              '*': null
+            }
+          });
         }
 
         return data;
       })
     );
   }
+
+  private redactObject({
+    attributes,
+    data,
+    valueMap
+  }: {
+    attributes: string[];
+    data: any;
+    valueMap: { [key: string]: any };
+  }) {
+    console.time('newExecutionTime');
+
+    // Stringify the JSON object
+    let jsonString = JSON.stringify(data);
+
+    // Nullify occurrences of attributes in the string
+    for (const attribute of attributes) {
+      const regex = new RegExp(`"${attribute}"\\s*:\\s*"[^"]*"`, 'g');
+
+      if (valueMap['*'] || valueMap['*'] === null) {
+        jsonString = jsonString.replace(
+          regex,
+          `"${attribute}":${valueMap['*']}`
+        );
+      } else if (valueMap[attribute]) {
+        jsonString = jsonString.replace(
+          regex,
+          `"${attribute}":${valueMap[attribute]}`
+        );
+      }
+    }
+
+    // Transform the stringified JSON back to an object
+    const transformedObject = JSON.parse(jsonString);
+
+    console.timeLog('newExecutionTime');
+
+    return transformedObject;
+  }
 }