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66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package date
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import (
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"time"
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naturaldate "github.com/tj/go-naturaldate"
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)
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// Provider returns a date instance.
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type Provider interface {
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Date() time.Time
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}
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// Now is a date provider returning the current date.
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type Now struct{}
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func (n *Now) Date() time.Time {
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return time.Now()
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}
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// Frozen is a date provider returning always the same date.
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type Frozen struct {
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date time.Time
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}
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func NewFrozenNow() Frozen {
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return Frozen{time.Now()}
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}
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func NewFrozen(date time.Time) Frozen {
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return Frozen{date}
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}
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func (n *Frozen) Date() time.Time {
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return n.date
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}
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// TimeFromNatural parses a human date into a time.Time.
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func TimeFromNatural(date string) (time.Time, error) {
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if date == "" {
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return time.Now(), nil
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}
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if t, err := time.Parse(time.RFC3339, date); err == nil {
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return t, nil
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}
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if t, err := time.ParseInLocation("2006-01-02T15:04:05", date, time.Local); err == nil {
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return t, nil
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}
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if t, err := time.ParseInLocation("2006-01-02T15:04", date, time.Local); err == nil {
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return t, nil
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}
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if t, err := time.ParseInLocation("2006-01-02", date, time.Local); err == nil {
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return t, nil
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}
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if t, err := time.ParseInLocation("2006-01", date, time.Local); err == nil {
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return t, nil
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}
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if t, err := time.ParseInLocation("2006", date, time.Local); err == nil {
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return t, nil
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}
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if t, err := time.ParseInLocation("15:04", date, time.Local); err == nil {
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return t, nil
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}
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return naturaldate.Parse(date, time.Now(), naturaldate.WithDirection(naturaldate.Past))
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}
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