cli/internal/prompter/prompter.go
2022-08-15 13:28:15 -05:00

135 lines
3.1 KiB
Go

package prompter
import (
"fmt"
"io"
"github.com/AlecAivazis/survey/v2"
"github.com/AlecAivazis/survey/v2/terminal"
"github.com/cli/cli/v2/internal/ghinstance"
"github.com/cli/cli/v2/pkg/surveyext"
)
//go:generate moq -rm -out prompter_mock.go . Prompter
type Prompter interface {
Select(string, string, []string) (int, error)
MultiSelect(string, string, []string) (int, error)
Input(string, string) (string, error)
InputHostname() (string, error)
Password(string) (string, error)
AuthToken() (string, error)
Confirm(string, bool) (bool, error)
MarkdownEditor(string, string, bool) (string, error)
}
func New(editorCmd string, stdin io.Reader, stdout, stderr io.Writer) Prompter {
return &surveyPrompter{
editorCmd: editorCmd,
stdin: stdin.(terminal.FileReader),
stdout: stdout.(terminal.FileWriter),
stderr: stderr,
}
}
type surveyPrompter struct {
editorCmd string
stdin terminal.FileReader
stdout terminal.FileWriter
stderr io.Writer
}
func (p *surveyPrompter) Select(message, defaultValue string, options []string) (result int, err error) {
q := &survey.Select{
Message: message,
Default: defaultValue,
Options: options,
PageSize: 20,
}
err = p.ask(q, &result)
return
}
func (p *surveyPrompter) MultiSelect(message, defaultValue string, options []string) (result int, err error) {
q := &survey.MultiSelect{
Message: message,
Default: defaultValue,
Options: options,
PageSize: 20,
}
err = p.ask(q, &result)
return
}
func (p *surveyPrompter) ask(q survey.Prompt, response interface{}, opts ...survey.AskOpt) error {
opts = append(opts, survey.WithStdio(p.stdin, p.stdout, p.stderr))
err := survey.AskOne(q, response, opts...)
if err == nil {
return nil
}
return fmt.Errorf("could not prompt: %w", err)
}
func (p *surveyPrompter) Input(prompt, defaultValue string) (result string, err error) {
err = p.ask(&survey.Input{
Message: prompt,
Default: defaultValue,
}, &result)
return
}
func (p *surveyPrompter) InputHostname() (result string, err error) {
err = p.ask(
&survey.Input{
Message: "GHE hostname:",
}, &result, survey.WithValidator(func(v interface{}) error {
return ghinstance.HostnameValidator(v.(string))
}))
return
}
func (p *surveyPrompter) Password(prompt string) (result string, err error) {
err = p.ask(&survey.Password{
Message: prompt,
}, &result)
return
}
func (p *surveyPrompter) Confirm(prompt string, defaultValue bool) (result bool, err error) {
err = p.ask(&survey.Confirm{
Message: prompt,
Default: defaultValue,
}, &result)
return
}
func (p *surveyPrompter) MarkdownEditor(message, defaultValue string, blankAllowed bool) (result string, err error) {
err = p.ask(&surveyext.GhEditor{
BlankAllowed: blankAllowed,
EditorCommand: p.editorCmd,
Editor: &survey.Editor{
Message: message,
Default: defaultValue,
FileName: "*.md",
HideDefault: true,
AppendDefault: true,
},
}, &result)
return
}
func (p *surveyPrompter) AuthToken() (result string, err error) {
err = p.ask(&survey.Password{
Message: "Paste your authentication token:",
}, &result, survey.WithValidator(survey.Required))
return
}