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package filters
import (
"fmt"
"time"
"github.com/flosch/pongo2/v6"
)
func naturaltimeFilter(in *pongo2.Value, param *pongo2.Value) (*pongo2.Value, *pongo2.Error) {
timeValue, ok := in.Interface().(time.Time)
if !ok {
return nil, &pongo2.Error{
Sender: "filter:naturaltime",
OrigError: fmt.Errorf("input must be a time.Time, got %T", in.Interface()),
}
}
now := time.Now()
diff := now.Sub(timeValue)
if diff < 0 {
diff = -diff
if diff < time.Minute {
return pongo2.AsValue("in a few seconds"), nil
} else if diff < time.Hour {
minutes := int(diff.Minutes())
if minutes == 1 {
return pongo2.AsValue("in 1 minute"), nil
}
return pongo2.AsValue(fmt.Sprintf("in %d minutes", minutes)), nil
} else if diff < 24*time.Hour {
hours := int(diff.Hours())
if hours == 1 {
return pongo2.AsValue("in 1 hour"), nil
}
return pongo2.AsValue(fmt.Sprintf("in %d hours", hours)), nil
} else {
days := int(diff.Hours() / 24)
if days == 1 {
return pongo2.AsValue("in 1 day"), nil
}
return pongo2.AsValue(fmt.Sprintf("in %d days", days)), nil
}
}
if diff < time.Minute {
return pongo2.AsValue("just now"), nil
} else if diff < time.Hour {
minutes := int(diff.Minutes())
if minutes == 1 {
return pongo2.AsValue("1 minute ago"), nil
}
return pongo2.AsValue(fmt.Sprintf("%d minutes ago", minutes)), nil
} else if diff < 24*time.Hour {
hours := int(diff.Hours())
if hours == 1 {
return pongo2.AsValue("1 hour ago"), nil
}
return pongo2.AsValue(fmt.Sprintf("%d hours ago", hours)), nil
} else if diff < 7*24*time.Hour {
days := int(diff.Hours() / 24)
if days == 1 {
return pongo2.AsValue("1 day ago"), nil
}
return pongo2.AsValue(fmt.Sprintf("%d days ago", days)), nil
} else if diff < 30*24*time.Hour {
weeks := int(diff.Hours() / (24 * 7))
if weeks == 1 {
return pongo2.AsValue("1 week ago"), nil
}
return pongo2.AsValue(fmt.Sprintf("%d weeks ago", weeks)), nil
} else if diff < 365*24*time.Hour {
months := int(diff.Hours() / (24 * 30))
if months == 1 {
return pongo2.AsValue("1 month ago"), nil
}
return pongo2.AsValue(fmt.Sprintf("%d months ago", months)), nil
} else {
years := int(diff.Hours() / (24 * 365))
if years == 1 {
return pongo2.AsValue("1 year ago"), nil
}
return pongo2.AsValue(fmt.Sprintf("%d years ago", years)), nil
}
}
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