MaysWind
91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
package utils
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import (
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"fmt"
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"time"
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)
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const (
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longDateTimeFormat = "2006-01-02 15:04:05"
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longDateTimeWithoutSecondFormat = "2006-01-02 15:04"
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shortDateTimeFormat = "2006-1-2 15:4:5"
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yearMonthDateTimeFormat = "2006-01"
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)
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// FormatUnixTimeToLongDateTimeInServerTimezone returns a textual representation of the unix time formatted by long date time format
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func FormatUnixTimeToLongDateTimeInServerTimezone(unixTime int64) string {
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return parseFromUnixTime(unixTime).Format(longDateTimeFormat)
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}
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// FormatUnixTimeToLongDateTimeWithoutSecond returns a textual representation of the unix time formatted by long date time format (no second)
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func FormatUnixTimeToLongDateTimeWithoutSecond(unixTime int64, timezone *time.Location) string {
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t := parseFromUnixTime(unixTime)
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if timezone != nil {
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t = t.In(timezone)
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}
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return t.Format(longDateTimeWithoutSecondFormat)
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}
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// FormatUnixTimeToYearMonth returns year and month of specified unix time
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func FormatUnixTimeToYearMonth(unixTime int64, timezone *time.Location) string {
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t := parseFromUnixTime(unixTime)
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if timezone != nil {
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t = t.In(timezone)
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}
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return t.Format(yearMonthDateTimeFormat)
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}
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// ParseFromLongDateTime parses a formatted string in long date time format
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func ParseFromLongDateTime(t string, utcOffset int16) (time.Time, error) {
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timezone := time.FixedZone("Timezone", int(utcOffset)*60)
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return time.ParseInLocation(longDateTimeFormat, t, timezone)
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}
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// ParseFromShortDateTime parses a formatted string in short date time format
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func ParseFromShortDateTime(t string, utcOffset int16) (time.Time, error) {
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timezone := time.FixedZone("Timezone", int(utcOffset)*60)
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return time.ParseInLocation(shortDateTimeFormat, t, timezone)
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}
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// FormatTimezoneOffset returns "+/-HH:MM" format of timezone
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func FormatTimezoneOffset(timezone *time.Location) string {
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_, tzOffset := time.Now().In(timezone).Zone()
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tzMinutesOffset := tzOffset / 60
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sign := "+"
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hourAbsOffset := tzMinutesOffset / 60
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minuteAbsOffset := tzMinutesOffset % 60
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if hourAbsOffset < 0 {
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sign = "-"
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hourAbsOffset = -hourAbsOffset
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minuteAbsOffset = -minuteAbsOffset
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}
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return fmt.Sprintf("%s%02d:%02d", sign, hourAbsOffset, minuteAbsOffset)
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}
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// GetMinTransactionTimeFromUnixTime returns the minimum transaction time from unix time
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func GetMinTransactionTimeFromUnixTime(unixTime int64) int64 {
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return unixTime * 1000
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}
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// GetMaxTransactionTimeFromUnixTime returns the maximum transaction time from unix time
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func GetMaxTransactionTimeFromUnixTime(unixTime int64) int64 {
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return unixTime*1000 + 999
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}
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// GetUnixTimeFromTransactionTime returns unix time from the transaction time
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func GetUnixTimeFromTransactionTime(transactionTime int64) int64 {
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return transactionTime / 1000
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}
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// parseFromUnixTime parses a unix time and returns a golang time struct
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func parseFromUnixTime(unixTime int64) time.Time {
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return time.Unix(unixTime, 0)
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}
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