mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-27 22:28:21 +00:00
83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
// Copyright 2016 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package common
|
|
|
|
import (
|
|
"fmt"
|
|
"regexp"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
// PrettyDuration is a pretty printed version of a time.Duration value that cuts
|
|
// the unnecessary precision off from the formatted textual representation.
|
|
type PrettyDuration time.Duration
|
|
|
|
var prettyDurationRe = regexp.MustCompile(`\.[0-9]+`)
|
|
|
|
// String implements the Stringer interface, allowing pretty printing of duration
|
|
// values rounded to three decimals.
|
|
func (d PrettyDuration) String() string {
|
|
label := fmt.Sprintf("%v", time.Duration(d))
|
|
if match := prettyDurationRe.FindString(label); len(match) > 4 {
|
|
label = strings.Replace(label, match, match[:4], 1)
|
|
}
|
|
return label
|
|
}
|
|
|
|
// PrettyAge is a pretty printed version of a time.Duration value that rounds
|
|
// the values up to a single most significant unit, days/weeks/years included.
|
|
type PrettyAge time.Time
|
|
|
|
// ageUnits is a list of units the age pretty printing uses.
|
|
var ageUnits = []struct {
|
|
Size time.Duration
|
|
Symbol string
|
|
}{
|
|
{12 * 30 * 24 * time.Hour, "y"},
|
|
{30 * 24 * time.Hour, "mo"},
|
|
{7 * 24 * time.Hour, "w"},
|
|
{24 * time.Hour, "d"},
|
|
{time.Hour, "h"},
|
|
{time.Minute, "m"},
|
|
{time.Second, "s"},
|
|
}
|
|
|
|
// String implements the Stringer interface, allowing pretty printing of duration
|
|
// values rounded to the most significant time unit.
|
|
func (t PrettyAge) String() string {
|
|
// Calculate the time difference and handle the 0 cornercase
|
|
diff := time.Since(time.Time(t))
|
|
if diff < time.Second {
|
|
return "0"
|
|
}
|
|
// Accumulate a precision of 3 components before returning
|
|
result, prec := "", 0
|
|
|
|
for _, unit := range ageUnits {
|
|
if diff > unit.Size {
|
|
result = fmt.Sprintf("%s%d%s", result, diff/unit.Size, unit.Symbol)
|
|
diff %= unit.Size
|
|
|
|
if prec += 1; prec >= 3 {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
return result
|
|
}
|