Add drop-down to select feed type

src/lib/consts.ts

@@ -2,3 +2,8 @@ export const wikiKind = 30818;
 export const indexKind = 30040;
 export const zettelKind = 30041;
 export const standardRelays = [ "wss://thecitadel.nostr1.com" ];
+
+export enum FeedType {
+  Relays,
+  Follows,
+}

src/lib/stores.ts

@@ -1,8 +1,8 @@
 import { readable, writable } from "svelte/store";
+import { FeedType } from "./consts";
 
 export let idList = writable<string[]>([]);
 
 export let alexandriaKinds = readable<number[]>([30040, 30041]);
 
-export const isLeftMenuMenuInUse = writable(false);
-export const showLeftMenu = writable(false);
+export let feedType = writable<FeedType>(FeedType.Relays);

src/routes/+page.svelte

@@ -1,8 +1,10 @@
 <script lang="ts">
   import ArticleHeader from "$lib/ArticleHeader.svelte";
-  import { indexKind } from "$lib/consts";
+  import { FeedType, indexKind } from "$lib/consts";
   import { ndk } from "$lib/ndk";
-  import { NDKEvent, NDKRelayList, NDKRelaySet, type NDKUser } from "@nostr-dev-kit/ndk";
+  import { NDKEvent, NDKRelayList, NDKRelaySet, NDKSubscriptionCacheUsage, type NDKUser } from "@nostr-dev-kit/ndk";
+  import { Button, Dropdown, Radio } from "flowbite-svelte";
+  import { ChevronDownOutline } from "flowbite-svelte-icons";
 
   const getEvents = (): Promise<Set<NDKEvent>> =>
     $ndk.fetchEvents(
@@ -21,16 +23,44 @@
     );
   };
 
+  const getEventsFromUserFollows = (follows: Set<NDKUser>, userRelays: NDKRelayList): Promise<Set<NDKEvent>> => {
+    const relaySet = NDKRelaySet.fromRelayUrls(userRelays?.readRelayUrls ?? [], $ndk);
+    const pubkeys = Array.from(follows ?? []).map(user => user.pubkey);
+
+    return $ndk.fetchEvents(
+      { 
+        authors: pubkeys,
+        // @ts-ignore
+        kinds: [indexKind]
+      },
+      relaySet,
+    );
+  };
+
+  const getFeedTypeFriendlyName = (feedType: FeedType): string => {
+    switch (feedType) {
+    case FeedType.Relays:
+      return 'Relays';
+    case FeedType.Follows:
+      return 'Follows';
+    default:
+      return '';
+    }
+  };
+
   let user: NDKUser | null | undefined;
   let readRelays: NDKRelayList | null | undefined;
+  let userFollows: Set<NDKUser> | null | undefined;
+  let feedType: FeedType = FeedType.Relays;
 
   $: {
     user = $ndk.activeUser;
     user?.relayList().then(relays => readRelays = relays);
+    user?.follows().then(follows => userFollows = follows);
   }
 </script>
 
-<div class='leather flex flex-col flex-grow-0 space-y-4 overflow-y-auto w-max'>
+<div class='leather flex flex-col flex-grow-0 space-y-4 overflow-y-auto w-max p-2'>
   {#key user}
     {#if user == null || readRelays == null}
       {#await getEvents()}
@@ -41,6 +71,20 @@
         {/each}
       {/await}
     {:else}
+      <div class='leather w-full flex justify-end'>
+        <Button>
+          {`Showing articles from: ${getFeedTypeFriendlyName(feedType)}`}<ChevronDownOutline class='w-6 h-6' />
+        </Button>
+        <Dropdown class='w-fit p-2 space-y-2 text-sm'>
+          <li>
+            <Radio name='relays' bind:group={feedType} value={FeedType.Relays}>Relays</Radio>
+          </li>
+          <li>
+            <Radio name='follows' bind:group={feedType} value={FeedType.Follows}>Follows</Radio>
+          </li>
+        </Dropdown>
+      </div>
+      {#if feedType === FeedType.Relays && readRelays != null}
         {#await getEventsFromUserRelays(readRelays)}
           <p>Loading...</p>
         {:then events}
@@ -48,6 +92,15 @@
             <ArticleHeader {event} />
           {/each}
         {/await}
+      {:else if feedType === FeedType.Follows && userFollows != null}
+        {#await getEventsFromUserFollows(userFollows, readRelays)}
+          <p>Loading...</p>
+        {:then events}
+          {#each Array.from(events) as event}
+            <ArticleHeader {event} />
+          {/each}
+        {/await}
+      {/if}
     {/if}
   {/key}
 </div>