Add local like & history to cloud after signing in

Closes #235

src/lib/features/authenticate/model/sign-in-snackbar.ts

@@ -1,5 +1,8 @@
 import { snackbar } from '$lib/shared/ui/snackbar';
 import { supabaseClient } from '$lib/shared/api';
+import { likesStore, addCloudLike } from '$lib/features/like-episode';
+import { listeningHistory, addToCloudListeningHistory } from '$lib/features/listening-history';
+import { get } from 'svelte/store';
 
 export function signInSnackbar() {
   const url = new URL(window.location.href);
@@ -14,5 +17,7 @@ export function signInSnackbar() {
     });
     url.searchParams.delete('snackbar');
     window.history.replaceState(null, '', url.toString());
+    get(likesStore).forEach(addCloudLike);
+    get(listeningHistory).forEach(addToCloudListeningHistory);
   }
 }

src/lib/features/like-episode/index.ts

@@ -1,3 +1,4 @@
 export { default as LikeButton } from './ui/like-button.svelte';
 export { likesStore, toggleLike } from './model/like';
 export { populateLikes } from './model/populate-likes';
+export { addCloudLike } from './api/favourites-table';

src/lib/features/listening-history/index.ts

@@ -1,2 +1,3 @@
 export { addToListeningHistory, listeningHistory } from './model/store';
 export { populateListeningHistory } from './model/populate-listening-history';
+export { addToCloudListeningHistory } from './api/history-table';