Aflred Reminders workflow

script.js

function run(argv) {
  const string = argv.join(' ');
  
  const INTERVAL_REGEX = /(\d+) ?([a-zA-Z]+)/;

  const weekdays = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'];
  const weekdaysLong = ['sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday'];

  const getWeekdayIndex = (due) => {
	if (due === 'next week') {
      return 1;
    }
    const weekdayIndex = weekdays.indexOf(due);
    if (weekdayIndex > -1) {
      return weekdayIndex;
    }
    const weekdayLongIndex = weekdaysLong.indexOf(due);
    if (weekdayLongIndex > -1) {
      return weekdayLongIndex;
    }
    return null;
  }

  const createInterval = (value, unit) => {
    const now = new Date();
    switch (unit) {
      case 'y':
      case 'year':
      case 'years':
        now.setMonth(now.getMonth() + value * 12);
        return { alldayDueDate: now };
      case 'm':
      case 'month':
      case 'months':
        now.setMonth(now.getMonth() + value);
        return { alldayDueDate: now };
      case 'w':
      case 'week':
      case 'weeks':
        return { alldayDueDate: new Date(now.valueOf() + 1000 * 60 * 60 * 24 * 7 * value) };
      case 'd':
      case 'day':
      case 'days':
        return { alldayDueDate: new Date(now.valueOf() + 1000 * 60 * 60 * 24 * value) };
      case 'h':
      case 'hour':
      case 'hours':
        return { dueDate: new Date(now.valueOf() + 1000 * 60 * 60 * value) };
      case 'min':
      case 'minute':
      case 'minutes':
        return { dueDate: new Date(now.valueOf() + 1000 * 60 * 60 * value) };
      default:
        return { dueDate: now };
    }
  }

  const getDueDate = (dueString = '') => {
    const due = dueString.trim().toLowerCase();
    const now = new Date();
    if (due === 'now') {
      return { dueDate: now };
    }
    if (due === 'tod' || due === 'today') {
      return { alldayDueDate: new Date(now.getFullYear(), now.getMonth(), now.getDate()) };
    }
    if (due === 'tom' || due === 'tomorrow') {
      return { alldayDueDate: new Date(now.getFullYear(), now.getMonth(), now.getDate() + 1) };
    }
    const match = due.match(INTERVAL_REGEX);
    if (match) {
      const [m, value, unit] = match;
      return createInterval(parseInt(value), unit.toLowerCase());
    }
    const weekdayIndex = getWeekdayIndex(due);
    if (weekdayIndex !== null) {
      const currentWeekday = now.getDay();
      if (currentWeekday >= weekdayIndex) {
        return new Date(
          now.getFullYear(), 
          now.getMonth(), 
          now.getDate() + 7 - currentWeekday + weekdayIndex
        );
      }
      return { alldayDueDate: new Date(now.getFullYear(), now.getMonth(), now.getDate() - currentWeekday + weekdayIndex) };
    }
    if (dueString) {
      return { dueDate: new Date(dueString) };
    }
    return null;
  }

  const [name, due] = string.split(',');
  const dueDate = getDueDate(due);

  const Reminders = Application('Reminders')
  const reminder = Reminders.Reminder({ name, ...dueDate });
  
  Reminders.defaultList().reminders.push(reminder);
}