/
confirm.go
76 lines (68 loc) · 1.26 KB
/
confirm.go
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package confirm
import (
"bufio"
"fmt"
"io"
"log"
"os"
"strings"
"github.com/dynport/gocli"
)
func ConfirmShell(actions ...*Action) error {
if len(actions) == 0 {
return nil
}
fmt.Print("\033[H\033[2J")
for _, a := range actions {
fmt.Println(colorizeTitle(a))
if len(a.Diff) > 0 {
fmt.Println(string(a.Diff))
}
fmt.Println(strings.Repeat("-", 100))
}
fmt.Printf("confirm? ")
if readConfirm(os.Stdin) {
for _, a := range actions {
if err := a.Call(); err != nil {
return err
}
}
}
return nil
}
var colorMap = map[Type]func(string) string{
TypeCreate: gocli.Green,
TypeDelete: gocli.Red,
TypeUpdate: gocli.Yellow,
}
func colorizeTitle(a *Action) string {
s := a.Title
if f, ok := colorMap[a.Type]; ok {
s = f(s)
}
return s
}
func readConfirm(in io.Reader) bool {
t, _ := bufio.NewReader(in).ReadString('\n')
return strings.TrimSpace(strings.ToLower(t)) == "confirm"
}
func ConfirmHTML(actions ...*Action) error {
l := log.New(os.Stderr, "", 0)
if len(actions) == 0 {
l.Printf("nothing changed")
return nil
}
closer, err := WebDiff(actions)
if err != nil {
return err
}
doContinue := <-closer
if doContinue {
for _, a := range actions {
if err := a.Call(); err != nil {
return err
}
}
}
return nil
}