k9s/internal/views/helpers.go

105 lines
1.5 KiB
Go

package views
import (
"regexp"
"strconv"
"strings"
"time"
"k8s.io/apimachinery/pkg/api/resource"
)
func deltas(o, n string) string {
o, n = strings.TrimSpace(o), strings.TrimSpace(n)
if o == "" || o == "n/a" {
return ""
}
if i, ok := numerical(o); ok {
j, _ := numerical(n)
switch {
case i < j:
return plus()
case i > j:
return minus()
default:
return ""
}
}
if i, ok := percentage(o); ok {
j, _ := percentage(n)
switch {
case i < j:
return plus()
case i > j:
return minus()
default:
return ""
}
}
if q1, err := resource.ParseQuantity(o); err == nil {
q2, _ := resource.ParseQuantity(n)
switch q1.Cmp(q2) {
case -1:
return plus()
case 1:
return minus()
default:
return ""
}
}
if d1, err := time.ParseDuration(o); err == nil {
d2, _ := time.ParseDuration(n)
switch {
case d2-d1 > 0:
return plus()
case d2-d1 < 0:
return minus()
default:
return ""
}
}
switch strings.Compare(o, n) {
case 1, -1:
return delta()
default:
return ""
}
}
var percent = regexp.MustCompile(`\A(\d+)\%\z`)
func percentage(s string) (int, bool) {
if res := percent.FindStringSubmatch(s); len(res) == 2 {
n, _ := strconv.Atoi(res[1])
return n, true
}
return 0, false
}
func numerical(s string) (int, bool) {
n, err := strconv.Atoi(s)
if err != nil {
return 0, false
}
return n, true
}
func delta() string {
return "𝜟"
}
func plus() string {
return "⬆"
}
func minus() string {
return "⬇︎"
}