return to previous view after approval flow

src/lib/routing.js

@@ -3,6 +3,7 @@ import { writable, get } from 'svelte/store';
 
 export let views = writable();
 export let currentView = writable();
+export let previousView = writable();
 
 export function navigate(viewName) {
     let v = get(views)[`./views/${viewName}.svelte`].default;

src/lib/state.js

@@ -1,9 +1,31 @@
-import { writable } from 'svelte/store';
+import { writable, get } from 'svelte/store';
 
 import queue from './queue.js';
+import { navigate, currentView, previousView } from './routing.js';
+
 
 export let appState = writable({
     currentRequest: null,
     pendingRequests: queue(),
     credentialStatus: 'locked',
 });
+
+export async function acceptRequest() {
+    let req = await get(appState).pendingRequests.get();
+    appState.update($appState => {
+        $appState.currentRequest = req;
+        return $appState;
+    });
+    previousView.set(get(currentView));
+    navigate('Approve');
+}
+
+export function completeRequest() {
+    appState.update($appState => {
+        $appState.currentRequest = null;
+        return $appState;
+    });
+    currentView.set(get(previousView));
+    previousView.set(null);
+    acceptRequest();
+}