func (this *TimeFrame) parsePreviousNUnits(n int, units string) bool {
switch units {
case "minutes":
this.Start = now.BeginningOfMinute().Add(time.Duration(-n) * time.Minute)
this.End = now.BeginningOfMinute()
case "hours":
this.Start = now.BeginningOfHour().Add(time.Duration(-n) * time.Hour)
this.End = now.BeginningOfHour()
case "days":
this.Start = now.BeginningOfDay().AddDate(0, 0, -n)
this.End = now.BeginningOfDay()
case "weeks":
this.Start = now.BeginningOfWeek().AddDate(0, 0, -n*7)
this.End = now.BeginningOfWeek()
case "months":
this.Start = now.BeginningOfMonth().AddDate(0, -n, 0)
this.End = now.BeginningOfMonth()
case "years":
this.Start = now.BeginningOfYear().AddDate(-n, 0, 0)
this.End = now.BeginningOfYear()
default:
return false
}
return true
}
func (this *TimeFrame) parseRelUnits(rel string, units string) bool {
if rel != "this" {
return false
}
switch units {
case "minute":
this.Start = now.BeginningOfMinute()
case "hour":
this.Start = now.BeginningOfHour()
case "day":
this.Start = now.BeginningOfDay()
case "week":
this.Start = now.BeginningOfWeek()
case "month":
this.Start = now.BeginningOfMonth()
case "year":
this.Start = now.BeginningOfYear()
default:
return false
}
this.End = time.Now()
return true
}
func GetDateRef(pattern string) (time.Time, error) {
var dateRef time.Time
now.FirstDayMonday = true
switch pattern {
case "BeginningOfMinute":
return now.BeginningOfMinute(), nil
case "BeginningOfHour":
return now.BeginningOfHour(), nil
case "BeginningOfDay":
return now.BeginningOfDay(), nil
case "BeginningOfWeek":
return now.BeginningOfWeek(), nil
case "BeginningOfMonth":
return now.BeginningOfMonth(), nil
case "BeginningOfQuarter":
return now.BeginningOfQuarter(), nil
case "BeginningOfYear":
return now.BeginningOfYear(), nil
}
return dateRef, fmt.Errorf("Invalid pattern:%s", pattern)
}