Golang Time.ISOWeek方法代碼示例

func newTime(now time.Time) *Time {
	year, _month, day := now.Date()
	month := int(_month)
	_, week := now.ISOWeek()
	hour := now.Hour()
	return &Time{year, month, day, hour, week}
}

func convertTimeFormat(t time.Time, n byte) string {
	switch n {
	case 'a':
		return t.Weekday().String()[:3]
	case 'A':
		return t.Weekday().String()
	case 'b':
		return t.Month().String()[:3]
	case 'B':
		return t.Month().String()
	case 'c':
		return t.Format("ANSIC")
	case 'd':
		return fmt.Sprintf("%02d", t.Day())
	case 'H':
		return fmt.Sprintf("%02d", t.Hour())
	case 'I':
		hr := t.Hour() % 12
		if hr == 0 {
			hr = 12
		}
		return fmt.Sprintf("%02d", hr)
	case 'm':
		return fmt.Sprintf("%02d", t.Month())
	case 'M':
		return fmt.Sprintf("%02d", t.Minute())
	case 'p':
		if t.Hour() > 11 {
			return "PM"
		}
		return "AM"
	case 'S':
		return fmt.Sprintf("%02d", t.Second())
	case 'x':
		return t.Format("Mon Jan 02")
	case 'X':
		return t.Format("15:04:05")
	case 'y':
		year := fmt.Sprintf("%04d", t.Year())
		if l := len(year); l > 2 {
			return year[l-2 : l]
		}
		return year
	case 'Y':
		return fmt.Sprintf("%04d", t.Year())
	case 'j':
		return fmt.Sprintf("%02d", t.YearDay())
	case 'w':
		return fmt.Sprintf("%02d", t.Weekday())
	case 'U':
		_, w := t.ISOWeek()
		return fmt.Sprintf("%02d", w)
	case 'W':
		_, w := t.ISOWeek()
		return fmt.Sprintf("%02d", w)
	default:
		return string(n)
	}
}

func same(d date.Date, t time.Time) bool {
	yd, wd := d.ISOWeek()
	yt, wt := t.ISOWeek()
	return d.Year() == t.Year() &&
		d.Month() == t.Month() &&
		d.Day() == t.Day() &&
		d.Weekday() == t.Weekday() &&
		d.YearDay() == t.YearDay() &&
		yd == yt && wd == wt
}

func PeriodHeadline(from, to time.Time, period datetime.Period) string {
	switch period {
	case datetime.Day:
		return fmt.Sprintf("%s", from.Format("2006-01-02: Monday"))
	case datetime.Week:
		_, isoWeek := from.ISOWeek()
		return fmt.Sprintf("Week %d: %s - %s", isoWeek, from.Format("2006-01-02"), to.Format("2006-01-02"))
	case datetime.Month:
		return fmt.Sprintf("%s", from.Format("January 2006"))
	case datetime.Year:
		return fmt.Sprintf("%s", from.Format("Year 2006"))
	default:
		panic("not implemeneted")
	}
}

func NewDateFromTime(time time.Time) Date {
	date := Date{}
	date.Date = time.Format("2006-01-02")
	date.Weekend = isWeekend(time)
	date.Day = time.Weekday().String()
	_, date.WeekNumber = time.ISOWeek()
	return date
}

func indexName(project *engine.ConfProject, indexPattern string,
	date time.Time) (index string) {
	const (
		YM  = "@ym"
		YMW = "@ymw"
		YMD = "@ymd"

		INDEX_PREFIX = "fun_"
	)

	if strings.Contains(indexPattern, YM) {
		prefix := project.IndexPrefix
		fields := strings.SplitN(indexPattern, YM, 2)
		if fields[0] != "" {
			// e,g. [email protected]
			prefix = fields[0]
		}

		switch indexPattern {
		case YM:
			index = fmt.Sprintf("%s%s_%d_%02d", INDEX_PREFIX, prefix,
				date.Year(), int(date.Month()))
		case YMW:
			year, week := date.ISOWeek()
			index = fmt.Sprintf("%s%s_%d_w%02d", INDEX_PREFIX, prefix,
				year, week)
		case YMD:
			index = fmt.Sprintf("%s%s_%d_%02d_%02d", INDEX_PREFIX, prefix,
				date.Year(), int(date.Month()), date.Day())
		}

		return
	}

	index = INDEX_PREFIX + indexPattern

	return
}

func (c *ctx) initTime(config *ctxConfig, t time.Time) {
	if config.date {
		c.year, c.month, c.day = t.Date()
	}
	if config.clock {
		c.hour, c.min, c.sec = t.Clock()
	}
	if config.iso {
		c.isoYear, c.isoWeek = t.ISOWeek()
	}

	if config.millis {
		c.millis = t.Nanosecond() / 1000000
	}

	if config.yearday {
		c.yearday = t.YearDay()
	}

	if config.weekday {
		c.weekday = t.Weekday()
	}
}

func PeriodTypeByWeek(week int64) int64 {
	t := time.Now().UTC()
	var t2 time.Time

	current_year := t.Year()
	fmt.Println(current_year)
	current_month := int(t.Month())
	_, start_week := t.ISOWeek()
	if current_month >= 9 {
		t2, _ = time.Parse("1.2.2006", fmt.Sprintf("%d.%d.%d", 9, 1, current_year))
	} else {
		t2, _ = time.Parse("1.2.2006", fmt.Sprintf("%d.%d.%d", 9, 1, current_year-1))
	}
	t2 = t2.UTC()
	_, start_week = t2.ISOWeek()
	var pt int64
	pt = 1
	if start_week%2 != 0 && week%2 == 0 {
		pt = 2
	} else if start_week%2 == 0 && week%2 != 0 {
		pt = 2
	}
	return pt
}

func (w Week) RoundDown(t time.Time) time.Time {
	org := t.Format("Mon 2006-01-02")
	_, week := t.ISOWeek()
	shift := int64(60 * 60 * 24 * (t.Weekday() - time.Monday))
	t = t.Add(-time.Duration(shift) * time.Second)
	t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), 0, t.Location())
	// daylight saving and that like might lead to different real shift

	_, week2 := t.ISOWeek()
	for week2 < week {
		trace.Printf("B  %s", t)
		t = t.Add(time.Second * 60 * 60 * 36)
		t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), 0, t.Location())
		_, week2 = t.ISOWeek()
	}
	for week2 > week {
		trace.Printf("C  %s", t)
		t = t.Add(-time.Second * 60 * 60 * 36)
		t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), 0, t.Location())
		_, week2 = t.ISOWeek()
	}
	trace.Printf("Week.Roundown(%s) --> %s", org, t.Format("Mon 2006-01-02"))
	return t
}

// yw returns an integer in the form YYYYWW, where WW is the week number.
func yw(d time.Time) int {
	year, week := d.ISOWeek()
	return year*100 + week
}

func datePart(part string, t time.Time) (*dparval.Value, error) {
	// now look for the requested part
	switch part {
	case "century":
		cen := float64(t.Year() / 100.0)
		if cen > 0 {
			cen = cen + 1 // there is no century 0
		}
		return dparval.NewValue(cen), nil
	case "day":
		return dparval.NewValue(float64(t.Day())), nil
	case "decade":
		return dparval.NewValue(float64(t.Year() / 10.0)), nil
	case "dow":
		return dparval.NewValue(float64(t.Weekday())), nil
	case "doy":
		return dparval.NewValue(float64(t.YearDay())), nil
	case "epoch":
		return dparval.NewValue(float64(t.Unix())), nil
	case "hour":
		return dparval.NewValue(float64(t.Hour())), nil
	case "isodow":
		isodow := float64(t.Weekday())
		if isodow == 0.0 {
			isodow = 7.0
		}
		return dparval.NewValue(isodow), nil
	case "isoyear":
		y, _ := t.ISOWeek()
		return dparval.NewValue(float64(y)), nil
	case "microseconds":
		us := float64(t.Second() * 1000000)
		us = us + float64(t.Nanosecond()/int(time.Microsecond))
		return dparval.NewValue(us), nil
	case "millennium":
		mil := float64(t.Year() / 1000.0)
		if mil > 0 {
			mil = mil + 1 // there is no millennium 0
		}
		return dparval.NewValue(mil), nil
	case "milliseconds":
		ms := float64(t.Second() * 1000)
		ms = ms + float64(t.Nanosecond()/int(time.Millisecond))
		return dparval.NewValue(ms), nil
	case "minute":
		return dparval.NewValue(float64(t.Minute())), nil
	case "month":
		return dparval.NewValue(float64(t.Month())), nil
	case "quarter":
		return dparval.NewValue(math.Ceil(float64(t.Month()) / 3.0)), nil
	case "second":
		return dparval.NewValue(float64(t.Second())), nil
	case "timezone":
		_, z := t.Zone()
		return dparval.NewValue(float64(z)), nil
	case "timezone_hour":
		_, z := t.Zone()
		zh := int64(z / (60 * 60))
		return dparval.NewValue(float64(zh)), nil
	case "timezone_minute":
		_, z := t.Zone()
		zh := int(z / (60 * 60))
		z = z - (zh * (60 * 60))
		zm := int64(z / 60)
		return dparval.NewValue(float64(zm)), nil
	case "week":
		_, w := t.ISOWeek()
		return dparval.NewValue(float64(w)), nil
	case "year":
		return dparval.NewValue(float64(t.Year())), nil
	default:
		return nil, fmt.Errorf("Unknown date part %s", part)
	}
}

func timetuple(t time.Time) [5]int {
	year, month, day := t.Date()
	_, week := t.ISOWeek()
	return [5]int{year, int(month), day, t.Hour(), week}
}

func (w Week) Format(t time.Time) string {
	_, week := t.ISOWeek()
	return fmt.Sprintf("W %d", week)
}

func isSameWeek(date1 time.Time, date2 time.Time) bool {
	y1, w1 := date1.ISOWeek()
	y2, w2 := date2.ISOWeek()
	return y1 == y2 && w1 == w2
}

// cmdCreateMilestone creates a new milestone in all projects
func cmdCreateMilestone(opts *Options, target, due, title string) error {
	tc := AuthClient(opts)
	client := github.NewClient(tc)
	config, err := LoadConfig(opts)
	if err != nil {
		return err
	}

	var date time.Time
	if due != "" {
		date, err = time.Parse("2006-01-02", due)
		if err != nil {
			return err
		}
	} else {
		// Default to Monday next week with a little wiggle room
		check := time.Now().Add(5 * 24 * time.Hour)
		check = check.Round(1 * 24 * time.Hour)
		check = check.Add(1 * time.Second)
		for check.Weekday() != 0 {
			check = check.Add(1 * 24 * time.Hour)
		}
		date = check
	}

	if title == "" {
		year, week := date.ISOWeek()
		seed, err := strconv.Atoi(fmt.Sprintf("%d%02d", year, week))
		if err != nil {
			return err
		}
		rand.Seed(int64(seed))
		ship := Titles[rand.Intn(len(Titles))]
		title = fmt.Sprintf("%d-%02d %s", year, week, ship)
	}

	var projects []string
	if target == "all" {
		projects = config.Projects
	} else {
		projects = strings.Split(target, " ")
	}

	for _, project := range projects {
		logger.Debugln("Creating milestone for:", project)

		owner, repo, err := ownerRepo(project)
		if err != nil {
			return err
		}

		// if we got here we didn't match, create a milestone
		logger.Debugf("  creating: %s (%v)", title, due)
		_, _, err = client.Issues.CreateMilestone(owner, repo, &github.Milestone{Title: &title, DueOn: &date})
		if err != nil {
			return err
		}
	}
	fmt.Printf("New Milestone: %s\n", title)
	return nil
}