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time.go
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time.go
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package jmespath
import (
"reflect"
"strconv"
"time"
)
// function names
var (
timeSince = "time_since"
timeNow = "time_now"
timeNowUtc = "time_now_utc"
timeAdd = "time_add"
timeParse = "time_parse"
timeToCron = "time_to_cron"
timeUtc = "time_utc"
timeDiff = "time_diff"
timeBefore = "time_before"
timeAfter = "time_after"
timeBetween = "time_between"
timeTruncate = "time_truncate"
)
func getTimeArg(f string, arguments []interface{}, index int) (time.Time, error) {
var empty time.Time
arg, err := validateArg(f, arguments, index, reflect.String)
if err != nil {
return empty, err
}
return time.Parse(time.RFC3339, arg.String())
}
func getDurationArg(f string, arguments []interface{}, index int) (time.Duration, error) {
var empty time.Duration
arg, err := validateArg(f, arguments, index, reflect.String)
if err != nil {
return empty, err
}
return time.ParseDuration(arg.String())
}
func jpTimeSince(arguments []interface{}) (interface{}, error) {
var err error
layout, err := validateArg(timeSince, arguments, 0, reflect.String)
if err != nil {
return nil, err
}
ts1, err := validateArg(timeSince, arguments, 1, reflect.String)
if err != nil {
return nil, err
}
ts2, err := validateArg(timeSince, arguments, 2, reflect.String)
if err != nil {
return nil, err
}
var t1, t2 time.Time
if layout.String() != "" {
t1, err = time.Parse(layout.String(), ts1.String())
} else {
t1, err = time.Parse(time.RFC3339, ts1.String())
}
if err != nil {
return nil, err
}
t2 = time.Now()
if ts2.String() != "" {
if layout.String() != "" {
t2, err = time.Parse(layout.String(), ts2.String())
} else {
t2, err = time.Parse(time.RFC3339, ts2.String())
}
if err != nil {
return nil, err
}
}
return t2.Sub(t1).String(), nil
}
func jpTimeNow(arguments []interface{}) (interface{}, error) {
return time.Now().Format(time.RFC3339), nil
}
func jpTimeNowUtc(arguments []interface{}) (interface{}, error) {
return time.Now().UTC().Format(time.RFC3339), nil
}
func jpTimeToCron(arguments []interface{}) (interface{}, error) {
if t, err := getTimeArg(timeToCron, arguments, 0); err != nil {
return nil, err
} else {
var cron string = ""
cron += strconv.Itoa(t.Minute()) + " "
cron += strconv.Itoa(t.Hour()) + " "
cron += strconv.Itoa(t.Day()) + " "
cron += strconv.Itoa(int(t.Month())) + " "
cron += strconv.Itoa(int(t.Weekday()))
return cron, nil
}
}
func jpTimeAdd(arguments []interface{}) (interface{}, error) {
if t, err := getTimeArg(timeToCron, arguments, 0); err != nil {
return nil, err
} else if d, err := getDurationArg(timeToCron, arguments, 1); err != nil {
return nil, err
} else {
return t.Add(d).Format(time.RFC3339), nil
}
}
func jpTimeParse(arguments []interface{}) (interface{}, error) {
if layout, err := validateArg(timeParse, arguments, 0, reflect.String); err != nil {
return nil, err
} else if ts, err := validateArg(timeParse, arguments, 1, reflect.String); err != nil {
return nil, err
} else if t, err := time.Parse(layout.String(), ts.String()); err != nil {
return nil, err
} else {
return t.Format(time.RFC3339), nil
}
}
func jpTimeUtc(arguments []interface{}) (interface{}, error) {
if t, err := getTimeArg(timeUtc, arguments, 0); err != nil {
return nil, err
} else {
return t.UTC().Format(time.RFC3339), nil
}
}
func jpTimeDiff(arguments []interface{}) (interface{}, error) {
if t1, err := getTimeArg(timeDiff, arguments, 0); err != nil {
return nil, err
} else if t2, err := getTimeArg(timeDiff, arguments, 1); err != nil {
return nil, err
} else {
return t2.Sub(t1).String(), nil
}
}
func jpTimeBefore(arguments []interface{}) (interface{}, error) {
if t1, err := getTimeArg(timeBefore, arguments, 0); err != nil {
return nil, err
} else if t2, err := getTimeArg(timeBefore, arguments, 1); err != nil {
return nil, err
} else {
return t1.Before(t2), nil
}
}
func jpTimeAfter(arguments []interface{}) (interface{}, error) {
if t1, err := getTimeArg(timeAfter, arguments, 0); err != nil {
return nil, err
} else if t2, err := getTimeArg(timeAfter, arguments, 1); err != nil {
return nil, err
} else {
return t1.After(t2), nil
}
}
func jpTimeBetween(arguments []interface{}) (interface{}, error) {
if t, err := getTimeArg(timeBetween, arguments, 0); err != nil {
return nil, err
} else if start, err := getTimeArg(timeBetween, arguments, 1); err != nil {
return nil, err
} else if end, err := getTimeArg(timeBetween, arguments, 2); err != nil {
return nil, err
} else {
return t.After(start) && t.Before(end), nil
}
}
func jpTimeTruncate(arguments []interface{}) (interface{}, error) {
if t, err := getTimeArg(timeTruncate, arguments, 0); err != nil {
return nil, err
} else if d, err := getDurationArg(timeTruncate, arguments, 1); err != nil {
return nil, err
} else {
return t.Truncate(d).Format(time.RFC3339), nil
}
}