From c51a0b1e5def05fa7cf0870107b804e7eacbd9de Mon Sep 17 00:00:00 2001
From: mae taylor <mae@mae.wtf>
Date: Tue, 15 Jul 2025 15:08:37 +0100
Subject: [PATCH] feat: local and federated timelines

---
 src/lib/api.js          |  4 ++-
 src/lib/timeline.js     | 10 ++++---
 src/routes/+page.svelte | 61 +++++++++++++++++++++++++++++++++++++----
 3 files changed, 64 insertions(+), 11 deletions(-)

diff --git a/src/lib/api.js b/src/lib/api.js
index 07644a3..4fc3606 100644
--- a/src/lib/api.js
+++ b/src/lib/api.js
@@ -243,11 +243,13 @@ export async function rejectFollowRequest(host, token, account_id) {
  * @param {string} timeline - The name of the timeline to pull (default "home").
  * @param {string} max_id - If provided, only shows posts after this ID.
  */
-export async function getTimeline(host, token, timeline, max_id) {
+export async function getTimeline(host, token, timeline, max_id, local_only, remote_only) {
     let url = `https://${host}/api/v1/timelines/${timeline || "home"}`;
 
     let params = new URLSearchParams();
     if (max_id) params.append("max_id", max_id);
+    if (remote_only) params.append("remote", remote_only);
+    if (local_only) params.append("local", local_only);
     const params_string = params.toString();
     if (params_string) url += '?' + params_string;
     
diff --git a/src/lib/timeline.js b/src/lib/timeline.js
index 66db44d..b5f8c2e 100644
--- a/src/lib/timeline.js
+++ b/src/lib/timeline.js
@@ -11,7 +11,7 @@ const lang = Lang();
 
 let loading = false;
 
-export async function getTimeline(clean) {
+export async function getTimeline(timelineType = "home", clean, localOnly = false, remoteOnly = false) {
     if (loading) return; // no spamming!!
     loading = true;
 
@@ -22,9 +22,11 @@ export async function getTimeline(clean) {
     const timeline_data = await api.getTimeline(
         get(server).host,
         get(app).token,
-        "home",
-        last_post
-    );
+        timelineType,
+        last_post,
+        localOnly,
+        remoteOnly
+);
 
     if (!timeline_data) {
         console.error(lang.string('logs.timeline_fetch_failed'));
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 766a6a4..3375ab4 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -2,6 +2,7 @@
     import { page } from '$app/stores';
     import { account } from '$lib/stores/account.js';
     import { timeline, getTimeline } from '$lib/timeline.js';
+    import { app_name } from '$lib/config.js';
     import Lang from '$lib/lang';
 
     import LoginForm from '$lib/ui/LoginForm.svelte';
@@ -11,23 +12,71 @@
 
     const lang = Lang();
 
+    // TODO: refactor to enum when moving to TS
+    let timelineType = localStorage.getItem(app_name + '_selected_timeline') || "home";
+
+    $: {
+        // awful hack to update timeline fresh
+        // when timelineType is updated
+        //
+        // TODO: migrate to $effect when migrating to svelte 5
+        timelineType = timelineType
+
+        // set in localStorage
+        localStorage.setItem(app_name + '_selected_timeline', timelineType);
+     
+        // erase the timeline here so the ui reacts instantly
+        // mae: i could write an awesome undertale reference here
+        timeline.set([]);
+
+        getCurrentTimeline()
+    }
+
+    function getCurrentTimeline(clean = false) {
+        switch(timelineType) {
+            case "home":
+                getTimeline("home", clean);
+                break;
+
+            case "local":
+                getTimeline("public", clean, true)
+                break;
+
+            case "federated":
+                getTimeline("public", clean, false, true)
+                break;
+        }
+    }
+
     account.subscribe(account => {
-        if (account) getTimeline();
+        if (account) getCurrentTimeline();
     });
 
     document.addEventListener('scroll', () => {
         if ($account && $page.url.pathname !== "/") return;
         if (window.innerHeight + window.scrollY >= document.body.offsetHeight - 2048) {
-            getTimeline();
+            getCurrentTimeline();
         }
     });
 </script>
 
 {#if $account}
-    <PageHeader title={lang.string('timeline.home')}>
-        <Button centered active>{lang.string('timeline.home')}</Button>
-        <Button centered disabled>{lang.string('timeline.local')}</Button>
-        <Button centered disabled>{lang.string('timeline.federated')}</Button>
+    <PageHeader title={lang.string(`timeline.${timelineType}`)}>
+        <Button centered 
+        active={(timelineType == "home")} 
+        on:click={() => timelineType = "home"}>
+            {lang.string('timeline.home')}
+        </Button>
+        <Button centered 
+        active={(timelineType == "local")} 
+        on:click={() => timelineType = "local"}>
+            {lang.string('timeline.local')}
+        </Button>
+                <Button centered 
+        active={(timelineType == "federated")} 
+        on:click={() => timelineType = "federated"}>
+            {lang.string('timeline.federated')}
+        </Button>
     </PageHeader>
 
     <div id="feed" role="feed">