Prefill predefined carrier gateways in a form (#147)

* add gateways api call to hook

* add route to carrier template

* apply review comments

* omit request.body if no payload is provided

* remove ternary where not needed

* fix typing of payload

* fix payload type to allow undefined

Co-authored-by: eglehelms <e.helms@cognigy.com>

src/api/index.ts

@@ -194,10 +194,13 @@ export const getFetch = <Type>(url: string) => {
   });
 };
 
-export const postFetch = <Type, Payload>(url: string, payload: Payload) => {
+export const postFetch = <Type, Payload = undefined>(
+  url: string,
+  payload?: Payload
+) => {
   return fetchTransport<Type>(url, {
     method: "POST",
-    body: JSON.stringify(payload),
+    ...(payload && { body: JSON.stringify(payload) }),
     headers: getAuthHeaders(),
   });
 };
@@ -284,6 +287,15 @@ export const postCarrier = (sid: string, payload: Partial<Carrier>) => {
   );
 };
 
+export const postPredefinedCarrierTemplate = (
+  currentServiceProviderSid: string,
+  predefinedCarrierSid: string
+) => {
+  return postFetch<SidResponse>(
+    `${API_BASE_URL}/ServiceProviders/${currentServiceProviderSid}/PredefinedCarriers/${predefinedCarrierSid}`
+  );
+};
+
 export const postSipGateway = (payload: Partial<SipGateway>) => {
   return postFetch<SidResponse, Partial<SipGateway>>(API_SIP_GATEWAY, payload);
 };

src/api/types.ts

@@ -299,6 +299,7 @@ export interface Carrier {
 
 export interface PredefinedCarrier extends Carrier {
   requires_static_ip: boolean;
+  predefined_carrier_sid: string;
 }
 
 export interface Gateway {