List Notifications

# All notifications
curl 'https://api.bio.re/api/v1/notifications?page=1&limit=20' \
  -H "Authorization: Bearer $ACCESS_TOKEN"

# Unread only
curl 'https://api.bio.re/api/v1/notifications?read=false' \
  -H "Authorization: Bearer $ACCESS_TOKEN"

type NotificationItem = {
  id: string;
  eventKey: string;
  title: string;
  body: string;
  data: Record<string, unknown> | null;
  read: boolean;
  readAt: string | null;
  createdAt: string;
};

type Paginated<T> = {
  items: T[];
  total: number;
  page: number;
  limit: number;
  totalPages: number;
};

async function listNotifications(
  accessToken: string,
  filter: { read?: boolean; page?: number; limit?: number } = {},
): Promise<Paginated<NotificationItem>> {
  const url = new URL('https://api.bio.re/api/v1/notifications');
  if (filter.read !== undefined) url.searchParams.set('read', String(filter.read));
  if (filter.page) url.searchParams.set('page', String(filter.page));
  if (filter.limit) url.searchParams.set('limit', String(filter.limit));
  const res = await fetch(url, {
    headers: { Authorization: `Bearer ${accessToken}` },
  });
  const json = await res.json();
  if (!res.ok || !json.success) {
    throw Object.assign(new Error(json?.error?.message ?? 'Notifications fetch failed'), {
      code: json?.error?.code,
    });
  }
  return json.data;
}

import { useQuery, keepPreviousData } from '@tanstack/react-query';

export const notificationKeys = {
  list: (filter: { read?: boolean; page?: number; limit?: number }) =>
    ['notifications', 'list', filter] as const,
};

export function useNotifications(filter: {
  read?: boolean;
  page?: number;
  limit?: number;
} = {}) {
  return useQuery({
    queryKey: notificationKeys.list(filter),
    queryFn: async () => {
      const url = new URL('/api/v1/notifications', window.location.origin);
      if (filter.read !== undefined) url.searchParams.set('read', String(filter.read));
      if (filter.page) url.searchParams.set('page', String(filter.page));
      if (filter.limit) url.searchParams.set('limit', String(filter.limit));
      const res = await fetch(url);
      const json = await res.json();
      if (!res.ok || !json.success) {
        throw Object.assign(new Error(json?.error?.message ?? 'Notifications fetch failed'), {
          code: json?.error?.code,
          i18nKey: json?.error?.i18nKey,
        });
      }
      return json.data as Paginated<NotificationItem>;
    },
    placeholderData: keepPreviousData,
    staleTime: 10_000, // refresh frequently — server pushes events constantly
  });
}