quivr/frontend/lib/components/ChatHistory/utils.ts

export const isToday = (date: Date): boolean => {
  const today = new Date();

  return date.toDateString() === today.toDateString();
};

export const isYesterday = (date: Date): boolean => {
  const yesterday = new Date();
  yesterday.setDate(yesterday.getDate() - 1);

  return date.toDateString() === yesterday.toDateString();
};

export const isWithinLast7Days = (date: Date): boolean => {
  const weekAgo = new Date();
  weekAgo.setDate(weekAgo.getDate() - 7);

  return date > weekAgo && !isToday(date) && !isYesterday(date);
};

export const isWithinLast30Days = (date: Date): boolean => {
  const monthAgo = new Date();
  monthAgo.setDate(monthAgo.getDate() - 30);

  return (
    date > monthAgo &&
    !isToday(date) &&
    !isYesterday(date) &&
    !isWithinLast7Days(date)
  );
};