MVHS Schedule

MVHS Schedule is an easy library to fetch the periods on any specific day. It returns an array of Periods (Period {start: Date; end: Date; period: string}) to represent periods. It will work no matter what timezone it is run in.

I use the firebase REST api to fetch the schedule and then I cache it to localstorage. It will refresh the data if it is older than a day. If there is an error anyway then it will use the cached data anyway, even if it's expired. If there is no cached data then it will throw an error.

Functions:

getScheduleFromDay(day: Date): Promise<string>

Returns a string of what schedule is on that day. Used internally by getPeriodsOnDay.

const schedule = getScheduleFromDay(new Date('11/15/2021'))
/* example output:
"Schedule A"
*/

getPeriodsFromSchedule(date: Date, schedule: String): Promise<Period[]>

Gets the periods for a schedule. The date is required to set the correct day for the returned period array's Date objects. Used internally in getPeriodsOnDay.

getPeriodsFromSchedule(new Date('11/15/2021'), 'Schedule A')
/* Example output:
[
  {
    start: "2020-11-15T00:00:00.000Z",
    end: "2020-11-15T01:00:00.000Z",
    period: "1"
  }
]
*/

getPeriodsOnDay(day: Date): Promise<Period[]>

Gets the periods on a day. Internally calls both getScheduleFromDay and getPeriodsFromSchedule.

getPeriodsOnDay(new Date('11/15/2021'))
/* Example output:
[
  {
    start: "2020-11-15T00:00:00.000Z",
    end: "2020-11-15T01:00:00.000Z",
    period: "1"
  }
]
*/

getPeriodsFromDayCount(day: Date, dayCount : Number) : Promise<Period[][]>

returns an array of array of Periods, one array for each day, starting with the input day and going forwards for dayCount days. Example:

getPeriodsFromDayCount(new Date('11/15/2021'), dayCount)
/* Example output:
[
  [
    {
      start: "2020-11-15T00:00:00.000Z",
      end: "2020-11-15T01:00:00.000Z",
      period: "1"
    }
  ]
]
*/

getTimeOfPeriod(period: number, date:Date): Promise<Period>

Gets the time of a period by calling getPeriodsOnDay and then returns a single Period object.

getTimeOfPeriod(1, new Date('11/15/2021'))
/* Example output:
{
  start: "2020-11-15T00:00:00.000Z",
  end: "2020-11-15T01:00:00.000Z",
  period: "1"
}
*/

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