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version_date.go
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/
version_date.go
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package gobinsec
import (
"fmt"
"time"
)
// DateVersionTimeFormat is the time format for date versions
const DateVersionTimeFormat = "2006-01-02"
// DateVersion for dependencies that don't have a version
type DateVersion struct {
Text string
Date time.Time
}
// NewDateVersion builds a date version from string
func NewDateVersion(text string) (*DateVersion, error) {
date, err := time.Parse(DateVersionTimeFormat, text)
if err != nil {
return nil, fmt.Errorf("parsing date version: %v", err)
}
version := DateVersion{Text: text, Date: date}
return &version, nil
}
// String returns a string representation for date version
func (version *DateVersion) String() string {
return version.Text
}
// Compare two date versions by time
func (version *DateVersion) Compare(o interface{}) (int, error) {
t1 := version.Date
t2, err := GetVersionTime(o)
if err != nil {
return 0, err
}
if t1.Before(*t2) {
return -1, nil
}
if t1.After(*t2) {
return 1, nil
}
return 0, nil
}