package common
|
|
|
|
import (
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
// TimeLayout helps to parse a date string of the format YYYY-MM-DD
|
|
// Intended to be used with the following function:
|
|
// time.Parse(TimeLayout, date)
|
|
var TimeLayout = "2006-01-02" //this represents YYYY-MM-DD
|
|
|
|
// ParseDateRange parses a date range string of the format start:end
|
|
// where the start and end date are of the format YYYY-MM-DD.
|
|
// The parsed dates are time.Time and will return the zero time for
|
|
// unbounded dates, ex:
|
|
// unbounded start: :2000-12-31
|
|
// unbounded end: 2000-12-31:
|
|
func ParseDateRange(dateRange string) (startDate, endDate time.Time, err error) {
|
|
dates := strings.Split(dateRange, ":")
|
|
if len(dates) != 2 {
|
|
err = errors.New("bad date range, must be in format date:date")
|
|
return
|
|
}
|
|
parseDate := func(date string) (out time.Time, err error) {
|
|
if len(date) == 0 {
|
|
return
|
|
}
|
|
out, err = time.Parse(TimeLayout, date)
|
|
return
|
|
}
|
|
startDate, err = parseDate(dates[0])
|
|
if err != nil {
|
|
return
|
|
}
|
|
endDate, err = parseDate(dates[1])
|
|
if err != nil {
|
|
return
|
|
}
|
|
return
|
|
}
|