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tea/modules/interact/prompts.go

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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package interact
import (
"fmt"
"strings"
"time"
"code.gitea.io/tea/modules/utils"
"github.com/AlecAivazis/survey/v2"
"github.com/araddon/dateparse"
)
// Multiline represents options for a prompt that expects multiline input
type Multiline struct {
Message string
Default string
Syntax string
UseEditor bool
}
// NewMultiline creates a prompt that switches between the inline multiline text
// and a texteditor based prompt
func NewMultiline(opts Multiline) (prompt survey.Prompt) {
if opts.UseEditor {
prompt = &survey.Editor{
Message: opts.Message,
Default: opts.Default,
FileName: "*." + opts.Syntax,
}
} else {
prompt = &survey.Multiline{Message: opts.Message, Default: opts.Default}
}
return
}
// PromptPassword asks for a password and blocks until input was made.
func PromptPassword(name string) (pass string, err error) {
promptPW := &survey.Password{Message: name + " password:"}
err = survey.AskOne(promptPW, &pass, survey.WithValidator(survey.Required))
return
}
// promptRepoSlug interactively prompts for a Gitea repository or returns the current one
func promptRepoSlug(defaultOwner, defaultRepo string) (owner, repo string, err error) {
prompt := "Target repo:"
defaultVal := ""
required := true
if len(defaultOwner) != 0 && len(defaultRepo) != 0 {
defaultVal = fmt.Sprintf("%s/%s", defaultOwner, defaultRepo)
required = false
}
var repoSlug string
owner = defaultOwner
repo = defaultRepo
err = survey.AskOne(
&survey.Input{
Message: prompt,
Default: defaultVal,
},
&repoSlug,
survey.WithValidator(func(input interface{}) error {
if str, ok := input.(string); ok {
if !required && len(str) == 0 {
return nil
}
split := strings.Split(str, "/")
if len(split) != 2 || len(split[0]) == 0 || len(split[1]) == 0 {
return fmt.Errorf("must follow the <owner>/<repo> syntax")
}
} else {
return fmt.Errorf("invalid result type")
}
return nil
}),
)
if err == nil && len(repoSlug) != 0 {
repoSlugSplit := strings.Split(repoSlug, "/")
owner = repoSlugSplit[0]
repo = repoSlugSplit[1]
}
return
}
// promptDatetime prompts for a date or datetime string.
// Supports all formats understood by araddon/dateparse.
func promptDatetime(prompt string) (val *time.Time, err error) {
var input string
err = survey.AskOne(
&survey.Input{Message: prompt},
&input,
survey.WithValidator(func(input interface{}) error {
if str, ok := input.(string); ok {
if len(str) == 0 {
return nil
}
t, err := dateparse.ParseAny(str)
if err != nil {
return err
}
val = &t
} else {
return fmt.Errorf("invalid result type")
}
return nil
}),
)
return
}
// promptSelect creates a generic multiselect prompt, with processing of custom values.
func promptMultiSelect(prompt string, options []string, customVal string) ([]string, error) {
var selection []string
promptA := &survey.MultiSelect{
Message: prompt,
Options: makeSelectOpts(options, customVal, ""),
VimMode: true,
}
if err := survey.AskOne(promptA, &selection); err != nil {
return nil, err
}
return promptCustomVal(prompt, customVal, selection)
}
// promptSelect creates a generic select prompt, with processing of custom values or none-option.
func promptSelect(prompt string, options []string, customVal, noneVal string) (string, error) {
var selection string
promptA := &survey.Select{
Message: prompt,
Options: makeSelectOpts(options, customVal, noneVal),
VimMode: true,
Default: noneVal,
}
if err := survey.AskOne(promptA, &selection); err != nil {
return "", err
}
if noneVal != "" && selection == noneVal {
return "", nil
}
if customVal != "" {
sel, err := promptCustomVal(prompt, customVal, []string{selection})
if err != nil {
return "", err
}
selection = sel[0]
}
return selection, nil
}
// makeSelectOpts adds cusotmVal & noneVal to opts if set.
func makeSelectOpts(opts []string, customVal, noneVal string) []string {
if customVal != "" {
opts = append(opts, customVal)
}
if noneVal != "" {
opts = append(opts, noneVal)
}
return opts
}
// promptCustomVal checks if customVal is present in selection, and prompts
// for custom input to add to the selection instead.
func promptCustomVal(prompt, customVal string, selection []string) ([]string, error) {
// check for custom value & prompt again with text input
// HACK until https://github.com/AlecAivazis/survey/issues/339 is implemented
if otherIndex := utils.IndexOf(selection, customVal); otherIndex != -1 {
var customAssignees string
promptA := &survey.Input{Message: prompt, Help: "comma separated list"}
if err := survey.AskOne(promptA, &customAssignees); err != nil {
return nil, err
}
selection = append(selection[:otherIndex], selection[otherIndex+1:]...)
selection = append(selection, strings.Split(customAssignees, ",")...)
}
return selection, nil
}