feat: sync user profile to remote instances on federation connect and profile update

2026-03-11 01:33:18 +01:00
parent 3790386a5f
commit a5fcb78434
3 changed files with 181 additions and 1 deletions
@@ -0,0 +1,159 @@
+import type { UpdateUserRequest } from '@backspace/shared';
+import { useAuthStore } from '../stores/authStore';
+import { useInstanceStore, type ConnectedInstance } from '../stores/instanceStore';
+
+// ─── Internal helper ────────────────────────────────────────────────────────
+
+async function downloadHomeAsset(filename: string): Promise<Blob> {
+  if (filename.startsWith('http') || filename.startsWith('blob:')) {
+    const res = await fetch(filename);
+    return res.blob();
+  }
+  const res = await fetch(`/api/uploads/${filename}`);
+  return res.blob();
+}
+
+// ─── Full profile sync (connect / reconnect) ────────────────────────────────
+
+/**
+ * Push the entire home profile to a single remote instance.
+ * Called on initial connect, reconnect, and login-to-remote.
+ */
+export async function syncProfileToRemote(inst: ConnectedInstance): Promise<void> {
+  try {
+    const homeUser = useAuthStore.getState().user;
+    if (!homeUser) return;
+
+    const payload: UpdateUserRequest = {
+      displayName: homeUser.displayName || undefined,
+      avatarColor: homeUser.avatarColor || undefined,
+      accentColor: homeUser.accentColor || undefined,
+      bio: homeUser.bio || undefined,
+      customStatus: homeUser.customStatus || undefined,
+    };
+
+    // Sync avatar
+    if (homeUser.avatar) {
+      try {
+        const blob = await downloadHomeAsset(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 downloadHomeAsset(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);
+  } catch (err) {
+    console.warn(`[ProfileSync] Full sync to ${inst.origin} failed:`, err);
+  }
+}
+
+// ─── Incremental sync (profile update) ──────────────────────────────────────
+
+/** Sync-eligible text fields (no status, replicatedInstances, homeUserId). */
+const SYNC_FIELDS = ['displayName', 'avatarColor', 'accentColor', 'bio', 'customStatus'] 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];
+      }
+    }
+
+    // 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 downloadHomeAsset(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 downloadHomeAsset(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);
+  }
+}