Add new Portal Backend Sample Data API and remove Notifications API references (#1965)

* Fixed Sample Data logic and remove notifications references

* fixed undefined

* fixed unit tests

* fixed format test

* cleanup

---------

Co-authored-by: Asier Isayas <aisayas@microsoft.com>

src/Common/EnvironmentUtility.ts

@@ -1,6 +1,29 @@
+import { PortalBackendEndpoints } from "Common/Constants";
+import { configContext } from "ConfigContext";
+
 export function normalizeArmEndpoint(uri: string): string {
   if (uri && uri.slice(-1) !== "/") {
     return `${uri}/`;
   }
   return uri;
 }
+
+export enum Environment {
+  Development = "Development",
+  Mpac = "MPAC",
+  Prod = "Prod",
+  Fairfax = "Fairfax",
+  Mooncake = "Mooncake",
+}
+
+export const getEnvironment = (): Environment => {
+  const environmentMap: { [key: string]: Environment } = {
+    [PortalBackendEndpoints.Development]: Environment.Development,
+    [PortalBackendEndpoints.Mpac]: Environment.Mpac,
+    [PortalBackendEndpoints.Prod]: Environment.Prod,
+    [PortalBackendEndpoints.Fairfax]: Environment.Fairfax,
+    [PortalBackendEndpoints.Mooncake]: Environment.Mooncake,
+  };
+
+  return environmentMap[configContext.PORTAL_BACKEND_ENDPOINT];
+};