feat: remove client-driven profile sync — replaced by S2S relay

This commit is contained in:
Jannis Braun
2026-04-07 13:59:16 +02:00
parent ec6cb236a2
commit a7cd6a1bf3
3 changed files with 0 additions and 267 deletions
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@@ -1,243 +0,0 @@
import type { UpdateUserRequest } from '@backspace/shared';
import { useAuthStore } from '../stores/authStore';
import { useInstanceStore, type ConnectedInstance } from '../stores/instanceStore';
import { api } from '../api/client';
// ─── Internal helper ────────────────────────────────────────────────────────
async function downloadAsset(filename: string, origin?: string): Promise<Blob> {
if (filename.startsWith('http') || filename.startsWith('blob:')) {
const res = await fetch(filename);
return res.blob();
}
// Strip /api/uploads/ prefix to avoid double-path URLs (profileSync previously stored full paths)
const bare = filename.startsWith('/api/uploads/') ? filename.slice('/api/uploads/'.length) : filename;
const base = origin ? `${origin}/api/uploads/${bare}` : `/api/uploads/${bare}`;
const res = await fetch(base);
return res.blob();
}
// ─── Full profile sync (connect / reconnect) ────────────────────────────────
/**
* Bidirectional profile sync with a single remote instance using LWW timestamps.
* - If home is newer (or both equal): push home → remote (existing behavior)
* - If remote is newer: pull remote → home, then relay to all other remotes
* - If equal: no-op
*/
export async function syncProfileToRemote(inst: ConnectedInstance): Promise<void> {
try {
const homeUser = useAuthStore.getState().user;
if (!homeUser) return;
const homeTs = homeUser.profileUpdatedAt ?? 0;
const remoteTs = inst.user?.profileUpdatedAt ?? 0;
if (homeTs >= remoteTs) {
// Home is newer (or equal) — push to remote
await pushProfileToRemote(inst, homeUser);
} else {
// Remote is newer — pull from remote to home, then relay
await pullProfileFromRemote(inst);
}
} catch (err) {
console.warn(`[ProfileSync] Full sync with ${inst.origin} failed:`, err);
}
}
/**
* Push the home profile to a single remote instance.
*/
async function pushProfileToRemote(inst: ConnectedInstance, homeUser: NonNullable<ReturnType<typeof useAuthStore.getState>['user']>): Promise<void> {
const payload: UpdateUserRequest = {
displayName: homeUser.displayName || undefined,
avatarColor: homeUser.avatarColor || undefined,
accentColor: homeUser.accentColor || undefined,
bio: homeUser.bio || undefined,
customStatus: homeUser.customStatus || undefined,
status: homeUser.status || undefined,
profileUpdatedAt: homeUser.profileUpdatedAt,
};
// Sync avatar
if (homeUser.avatar) {
try {
const blob = await downloadAsset(homeUser.avatar);
const attachment = await inst.api.uploads.upload(new File([blob], homeUser.avatar));
payload.avatar = attachment.filename;
} catch (err) {
console.warn('[ProfileSync] Failed to upload avatar to remote:', err);
}
} else {
payload.avatar = '';
}
// Sync banner
if (homeUser.banner) {
try {
const blob = await downloadAsset(homeUser.banner);
const attachment = await inst.api.uploads.upload(new File([blob], homeUser.banner));
payload.banner = attachment.filename;
} catch (err) {
console.warn('[ProfileSync] Failed to upload banner to remote:', err);
}
} else {
payload.banner = '';
}
await inst.api.users.update(payload);
}
/**
* Pull a remote instance's newer profile to the browsing (home) instance,
* then relay to all other connected remotes.
*/
async function pullProfileFromRemote(inst: ConnectedInstance): Promise<void> {
const remoteUser = inst.user;
if (!remoteUser) return;
const payload: UpdateUserRequest = {
displayName: remoteUser.displayName || undefined,
avatarColor: remoteUser.avatarColor || undefined,
accentColor: remoteUser.accentColor || undefined,
bio: remoteUser.bio || undefined,
customStatus: remoteUser.customStatus || undefined,
profileUpdatedAt: remoteUser.profileUpdatedAt,
};
// Download and re-upload avatar from remote → home
if (remoteUser.avatar) {
try {
const blob = await downloadAsset(remoteUser.avatar, inst.origin);
const attachment = await api.uploads.upload(new File([blob], remoteUser.avatar.split('/').pop() || 'avatar'));
payload.avatar = attachment.filename;
} catch (err) {
console.warn('[ProfileSync] Failed to download/upload avatar from remote:', err);
}
} else {
payload.avatar = '';
}
// Download and re-upload banner from remote → home
if (remoteUser.banner) {
try {
const blob = await downloadAsset(remoteUser.banner, inst.origin);
const attachment = await api.uploads.upload(new File([blob], remoteUser.banner.split('/').pop() || 'banner'));
payload.banner = attachment.filename;
} catch (err) {
console.warn('[ProfileSync] Failed to download/upload banner from remote:', err);
}
} else {
payload.banner = '';
}
// PATCH browsing instance (home) with the remote's newer data
const updatedUser = await api.users.update(payload);
useAuthStore.getState().setUser(updatedUser);
// Relay to all OTHER connected remotes (exclude the source)
const { instances } = useInstanceStore.getState();
const otherConnected = instances.filter(i => i.status === 'connected' && i.origin !== inst.origin);
if (otherConnected.length > 0) {
await Promise.allSettled(
otherConnected.map(other => pushProfileToRemote(other, updatedUser))
);
}
}
// ─── Incremental sync (profile update) ──────────────────────────────────────
/** Sync-eligible text fields (no replicatedInstances, homeUserId). */
const SYNC_FIELDS = ['displayName', 'avatarColor', 'accentColor', 'bio', 'customStatus', 'status'] as const;
/**
* Push a partial profile update to all connected remote instances.
* Called after a successful home PATCH from authStore.updateProfile.
*/
export async function syncProfileUpdateToRemotes(update: Partial<UpdateUserRequest>): Promise<void> {
try {
const { instances } = useInstanceStore.getState();
const connected = instances.filter(i => i.status === 'connected');
if (connected.length === 0) return;
// Pick text fields that were actually in the update
const basePayload: UpdateUserRequest = {};
for (const key of SYNC_FIELDS) {
if (key in update) {
(basePayload as Record<string, unknown>)[key] = update[key as keyof UpdateUserRequest];
}
}
// Include the LWW timestamp so remotes can reject stale writes
basePayload.profileUpdatedAt = useAuthStore.getState().user?.profileUpdatedAt;
// Pre-download file assets once (if they changed)
let avatarBlob: Blob | null = null;
let avatarFilename: string | null = null;
let bannerBlob: Blob | null = null;
let bannerFilename: string | null = null;
if ('avatar' in update) {
if (update.avatar) {
try {
avatarBlob = await downloadAsset(update.avatar);
avatarFilename = update.avatar;
} catch (err) {
console.warn('[ProfileSync] Failed to download avatar for sync:', err);
}
}
}
if ('banner' in update) {
if (update.banner) {
try {
bannerBlob = await downloadAsset(update.banner);
bannerFilename = update.banner;
} catch (err) {
console.warn('[ProfileSync] Failed to download banner for sync:', err);
}
}
}
await Promise.allSettled(
connected.map(async (inst) => {
const perInstPayload: UpdateUserRequest = { ...basePayload };
// Handle avatar
if ('avatar' in update) {
if (avatarBlob && avatarFilename) {
try {
const attachment = await inst.api.uploads.upload(new File([avatarBlob], avatarFilename));
perInstPayload.avatar = attachment.filename;
} catch (err) {
console.warn(`[ProfileSync] Failed to upload avatar to ${inst.origin}:`, err);
}
} else {
perInstPayload.avatar = '';
}
}
// Handle banner
if ('banner' in update) {
if (bannerBlob && bannerFilename) {
try {
const attachment = await inst.api.uploads.upload(new File([bannerBlob], bannerFilename));
perInstPayload.banner = attachment.filename;
} catch (err) {
console.warn(`[ProfileSync] Failed to upload banner to ${inst.origin}:`, err);
}
} else {
perInstPayload.banner = '';
}
}
// Only PATCH if there's something to sync
if (Object.keys(perInstPayload).length > 0) {
await inst.api.users.update(perInstPayload);
}
})
);
} catch (err) {
console.warn('[ProfileSync] Failed to sync update to remotes:', err);
}
}