v3: added multiple stylesheets, improved user profiles

api/services/follow-service.ts

@@ -4,6 +4,7 @@ import {
   type Dump,
   type FollowStatus,
   type Playlist,
+  type User,
 } from "../model/interfaces.ts";
 import {
   notifyPlaylistOwnerNewFollower,
@@ -15,7 +16,9 @@ import {
   isDumpRow,
   isFollowRow,
   isPlaylistRow,
+  isUserRow,
   playlistRowToApi,
+  userRowToApi,
 } from "../model/db.ts";
 
 // Mirrors dump-service SELECT_COLS_ALIASED — kept local to avoid circular imports
@@ -256,3 +259,39 @@ export function getFollowedPlaylistsByUser(
   }
   return { items: rawRows.map(playlistRowToApi), total: totalRow?.count ?? 0 };
 }
+
+// ── Followed users (as user objects) ─────────────────────────────────────────
+
+export function getFollowedUsersByUser(
+  userId: string,
+  page: number,
+  limit: number,
+): { items: User[]; total: number } {
+  const offset = (page - 1) * limit;
+
+  const totalRow = db.prepare(
+    `SELECT COUNT(*) as count FROM follows WHERE follower_id = ? AND followed_user_id IS NOT NULL;`,
+  ).get(userId) as { count: number } | undefined;
+
+  const rawRows = db.prepare(
+    `SELECT u.id, u.username, u.password_hash, u.is_admin, u.created_at, u.updated_at,
+            u.avatar_mime, u.description, u.invited_by, u.email,
+            i.username as invited_by_username
+     FROM users u
+     LEFT JOIN users i ON i.id = u.invited_by
+     INNER JOIN follows f ON f.followed_user_id = u.id
+     WHERE f.follower_id = ?
+     ORDER BY f.created_at DESC
+     LIMIT ? OFFSET ?;`,
+  ).all(userId, limit, offset);
+
+  if (!rawRows.every(isUserRow)) {
+    throw new APIException(
+      APIErrorCode.SERVER_ERROR,
+      500,
+      "Malformed user data",
+    );
+  }
+
+  return { items: rawRows.map(userRowToApi), total: totalRow?.count ?? 0 };
+}

api/services/user-service.ts

@@ -178,6 +178,44 @@ export function updateUserAvatar(userId: string, mime: string): void {
   }
 }
 
+export function getInviteTree(
+  userId: string,
+): {
+  id: string;
+  username: string;
+  avatarMime?: string;
+  invitedById: string;
+  createdAt: Date;
+}[] {
+  const rows = db.prepare(`
+    WITH RECURSIVE tree AS (
+      SELECT id, username, avatar_mime, invited_by, created_at, 0 AS depth
+      FROM users
+      WHERE invited_by = ?
+      UNION ALL
+      SELECT u.id, u.username, u.avatar_mime, u.invited_by, u.created_at, t.depth + 1
+      FROM users u
+      INNER JOIN tree t ON u.invited_by = t.id
+      WHERE t.depth < 10
+    )
+    SELECT * FROM tree ORDER BY created_at;
+  `).all(userId) as {
+    id: string;
+    username: string;
+    avatar_mime: string | null;
+    invited_by: string;
+    created_at: string;
+  }[];
+
+  return rows.map((r) => ({
+    id: r.id,
+    username: r.username,
+    avatarMime: r.avatar_mime ?? undefined,
+    invitedById: r.invited_by,
+    createdAt: new Date(r.created_at),
+  }));
+}
+
 export function deleteUser(userId: string): void {
   disconnectUser(userId);