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SQLite-backed followers cache and instant own-profile load

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Followers now load instantly from SQLite on startup, then merge
relay results in background. Own profile name/picture loads from
DB cache so sidebar badge never shows raw npub on slow relays.
This commit is contained in:
Jure
2026-03-29 20:28:25 +02:00
parent 2fed4e3e85
commit d450f8fdeb
6 changed files with 108 additions and 8 deletions
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26
src/components/follows/FollowsView.tsx
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@@ -5,6 +5,7 @@ import { useNotificationsStore } from "../../stores/notifications";
import { useProfile } from "../../hooks/useProfile";
import { useNip05Verified } from "../../hooks/useNip05Verified";
import { fetchFollowers, ensureConnected } from "../../lib/nostr";
import { dbLoadFollowers, dbSaveFollowers } from "../../lib/db";
import { shortenPubkey } from "../../lib/utils";
function FollowRow({
@@ -93,7 +94,7 @@ export function FollowsView() {
clearNewFollowers();
}, []);
// Fetch followers when tab is selected
// Load followers: DB cache first (instant), then relay fetch to merge new ones
useEffect(() => {
if (followsTab !== "followers" || !pubkey || followersFetched) return;
let cancelled = false;
@@ -102,20 +103,35 @@ export function FollowsView() {
(async () => {
try {
// 1) Instant: load from SQLite cache
const cached = await dbLoadFollowers(pubkey);
if (!cancelled && cached.length > 0) {
setFollowers(cached);
setFollowersLoading(false); // show cached immediately
}
// 2) Background: fetch from relays and merge
await ensureConnected();
let result = await fetchFollowers(pubkey);
// Retry once if empty — relays may not be ready yet
if (result.length === 0) {
if (result.length === 0 && !cancelled) {
await new Promise((r) => setTimeout(r, 3000));
if (cancelled) return;
result = await fetchFollowers(pubkey);
}
if (!cancelled) {
setFollowers(result);
// Merge: union of cached + relay results (relay may return partial set)
const merged = Array.from(new Set([...result, ...cached]));
setFollowers(merged);
setFollowersFetched(true);
// Persist merged set to DB
if (result.length > 0) {
dbSaveFollowers(merged, pubkey);
}
}
} catch (err) {
if (!cancelled) setFollowersError(`Failed to load followers: ${err}`);
if (!cancelled && followers.length === 0) {
setFollowersError(`Failed to load followers: ${err}`);
}
} finally {
if (!cancelled) setFollowersLoading(false);
}