pumphistory.go

package medtronic

import (
	"log"
	"time"
)

// HistoryRecords returns the history records since the specified time.
// Note that the results may include records with a zero timestamp or
// an earlier timestamp than the cutoff (in the case of DailyTotal records).
func (pump *Pump) HistoryRecords(since time.Time) []HistoryRecord {
	newer := pump.Family() >= 23
	numPages := pump.HistoryPageCount()
	if pump.Error() != nil {
		return nil
	}
	results := []HistoryRecord{}
loop:
	for page := 0; page < numPages && pump.Error() == nil; page++ {
		data := pump.HistoryPage(page)
		records, err := DecodeHistoryRecords(data, newer)
		if err != nil {
			pump.SetError(err)
		}
		for _, r := range records {
			// Don't use DailyTotal timestamps to decide when to stop,
			// because they appear out of order (at the end of the day).
			switch r.Type() {
			case DailyTotal:
			case DailyTotal522:
			case DailyTotal523:
			default:
				t := r.Time
				if !t.IsZero() && t.Before(since) {
					log.Printf("stopping pump history scan at %s", t.Format(UserTimeLayout))
					break loop
				}
			}
			results = append(results, r)
		}
	}
	return results
}