@gameroom/cli/src/middlewares/getTimeframe.js

A command line tool for Gameroom

const { dateAddDays, parseDate } = require('../helpers'),
  { prompt } = require('../consoleIO'),
  PERIOD_START = 1598763600000 // Aug 30, 2020

module.exports = async (options) => {
  if (options.today) {
    const date = new Date()
    date.setHours(0,0,0,0)
    options.start_at = date
    options.end_at = dateAddDays(date, 1)
  }
  if (options.yesterday) {
    const date = new Date()
    date.setHours(0,0,0,0)
    options.end_at = date
    options.start_at = dateAddDays(date, -1)
  }
  if (options['this-week']) {
    const date = new Date()
    date.setHours(0,0,0,0)
    options.start_at = date.setDate(date.getDate() - date.getDay())
    options.end_at = dateAddDays(date, 7)
  }
  if (options['last-week']) {
    const date = new Date()
    date.setHours(0,0,0,0)
    options.end_at = date.setDate(date.getDate() - date.getDay())
    options.start_at = dateAddDays(date, -7)
  }
  if (options['this-period']) {
    const date = new Date()
    date.setHours(0,0,0,0)
    date.setDate(date.getDate() - date.getDay()) // Sunday
    let end = new Date(PERIOD_START)
    while (end <= date) end = dateAddDays(end, 14) // Period End
    options.end_at = end
    options.start_at = dateAddDays(end, -14)
  }
  if (options['last-period']) {
    const date = new Date()
    date.setHours(0,0,0,0)
    date.setDate(date.getDate() - date.getDay()) // Sunday
    let end = new Date(PERIOD_START)
    while (end <= date) end = dateAddDays(end, 14) // This Period End
    options.end_at = dateAddDays(end, -14)
    options.start_at = dateAddDays(end, -28)
  }
  if (!options.start_at) options.start_at = await prompt('start_at (mm/dd/yy): ')
  options.start_at = parseDate(options.start_at)

  let end_ats = []
  if (options.weeks) {
    options.weeks = parseInt(options.weeks)
    for (let w = 1; w <= options.weeks; w++) end_ats.push(dateAddDays(options.start_at, 7 * w))
    options.weeks = end_ats
    options.end_at = options.weeks[options.weeks.length - 1]
  } else if (options.days) {
    options.days = parseInt(options.days)
    options.end_at = dateAddDays(options.start_at, options.days)
  } else if (options.end_at) {
    options.end_at = parseDate(options.end_at)
  } else {
    options.end_at = await prompt('end_at (mm/dd/yy): ')
    options.end_at = dateAddDays(parseDate(options.end_at), 1)
  }
  return options
}