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Copy pathprompt.go
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308 lines (263 loc) · 7.95 KB
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Copy pathprompt.go
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308 lines (263 loc) · 7.95 KB
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package ui
import (
"errors"
"fmt"
"reflect"
"sort"
"strings"
"github.com/manifoldco/promptui"
"github.com/railwayapp/cli/entity"
)
type Prompt string
type Selection string
const (
InitNew Selection = "Empty Project"
InitFromTemplate Selection = "Starter Template"
)
func PromptInit() (Selection, error) {
_, selection, err := selectString("Starting Point", []string{string(InitNew), string(InitFromTemplate)})
return Selection(selection), err
}
func PromptText(text string) (string, error) {
prompt := promptui.Prompt{
Label: text,
}
return prompt.Run()
}
func hasTeams(projects []*entity.Project) bool {
teamKeys := make(map[string]bool)
teams := make([]string, 0)
for _, project := range projects {
if project.Team != nil {
if _, value := teamKeys[*project.Team]; !value {
teamKeys[*project.Team] = true
teams = append(teams, *project.Team)
}
}
}
return len(teams) > 1
}
func promptTeams(projects []*entity.Project) (*string, error) {
if hasTeams(projects) {
teams := make([]string, 0)
teamCheck := make(map[string]bool)
for _, project := range projects {
if project.Team == nil {
continue
}
// Ensure teams are only appended once by checking teamCheck
if _, hasSeenTeam := teamCheck[*project.Team]; !hasSeenTeam {
teams = append(teams, *project.Team)
teamCheck[*project.Team] = true
}
}
_, team, err := selectString("Team", teams)
return &team, err
}
return nil, nil
}
func PromptProjects(projects []*entity.Project) (*entity.Project, error) {
// Check if need to prompt teams
team, err := promptTeams(projects)
if err != nil {
return nil, err
}
filteredProjects := make([]*entity.Project, 0)
if team == nil {
filteredProjects = projects
} else {
for _, project := range projects {
if *project.Team == *team {
filteredProjects = append(filteredProjects, project)
}
}
}
sort.Slice(filteredProjects, func(i int, j int) bool {
return filteredProjects[i].UpdatedAt > filteredProjects[j].UpdatedAt
})
i, _, err := selectCustom("Project", filteredProjects, func(index int) string {
return filteredProjects[index].Name
})
return filteredProjects[i], err
}
// PromptStarterTemplates prompts the user to select one of the provided starter templates
func PromptStarterTemplates(starters []*entity.Starter) (*entity.Starter, error) {
i, _, err := selectCustom("Starter", starters, func(index int) string {
return starters[index].Title
})
return starters[i], err
}
func PromptIsRepoPrivate() (bool, error) {
_, visibility, err := selectString("Visibility", []string{"Public", "Private"})
return visibility == "Private", err
}
func PromptEnvVars(envVars []*entity.StarterEnvVar) (map[string]string, error) {
variables := make(map[string]string)
if len(envVars) > 0 {
fmt.Printf("\n%s\n", Bold("Environment Variables"))
}
for _, envVar := range envVars {
prompt := promptui.Prompt{
Label: envVar.Name,
Default: envVar.Default,
}
if envVar.Optional {
fmt.Printf("\n%s %s\n", envVar.Desc, GrayText("(Optional)"))
} else {
fmt.Printf("\n%s %s\n", envVar.Desc, GrayText("(Required)"))
prompt.Validate = validatorRequired("value required")
}
v, err := prompt.Run()
if err != nil {
return nil, err
}
variables[envVar.Name] = v
}
// Extra newline to match the ones outputted in the loop
fmt.Print("\n")
return variables, nil
}
func PromptProjectName() (string, error) {
prompt := promptui.Prompt{
Label: "Enter project name",
Templates: &promptui.PromptTemplates{
Prompt: "{{ . }} ",
Valid: fmt.Sprintf("%s {{ . | bold }}: ", promptui.IconGood),
Invalid: fmt.Sprintf("%s {{ . | bold }}: ", promptui.IconBad),
Success: fmt.Sprintf("%s {{ . | magenta | bold }}: ", promptui.IconGood),
},
Validate: validatorRequired("project name required"),
}
return prompt.Run()
}
func PromptConfirmProjectName() (string, error) {
prompt := promptui.Prompt{
Label: "Confirm project name",
Templates: &promptui.PromptTemplates{
Prompt: "{{ . }} ",
Valid: fmt.Sprintf("%s {{ . | bold }}: ", promptui.IconGood),
Invalid: fmt.Sprintf("%s {{ . | bold }}: ", promptui.IconBad),
Success: fmt.Sprintf("%s {{ . | magenta | bold }}: ", promptui.IconGood),
},
}
return prompt.Run()
}
// PromptGitHubScopes prompts the user to select one of the provides scopes
func PromptGitHubScopes(scopes []string) (string, error) {
if len(scopes) == 1 {
return scopes[0], nil
}
_, scope, err := selectString("GitHub Owner", scopes)
return scope, err
}
func PromptEnvironments(environments []*entity.Environment) (*entity.Environment, error) {
if len(environments) == 1 {
environment := environments[0]
fmt.Printf("%s Environment: %s\n", promptui.IconGood, BlueText(environment.Name))
return environment, nil
}
i, _, err := selectCustom("Environment", environments, func(index int) string {
return environments[index].Name
})
if err != nil {
return nil, err
}
return environments[i], nil
}
func PromptServices(services []*entity.Service) (*entity.Service, error) {
if len(services) == 0 {
return &entity.Service{}, nil
}
if len(services) == 1 {
return services[0], nil
}
i, _, err := selectCustom("Service", services, func(index int) string {
return services[index].Name
})
if err != nil {
return nil, err
}
return services[i], nil
}
func PromptPlugins(plugins []string) (string, error) {
i, _, err := selectString("Plugin", plugins)
return plugins[i], err
}
// PromptYesNo prompts the user to continue an action using the common (y/N) action
func PromptYesNo(msg string) (bool, error) {
fmt.Printf("%s (y/N): ", msg)
var response string
_, err := fmt.Scan(&response)
if err != nil {
return false, err
}
response = strings.ToLower(response)
isNo := response == "n" || response == "no"
isYes := response == "y" || response == "yes"
if isYes {
return true, nil
} else if isNo {
return false, nil
} else {
fmt.Println("Please type yes or no and then press enter:")
return PromptYesNo(msg)
}
}
func validatorRequired(errorMsg string) func(s string) error {
return func(s string) error {
if strings.TrimSpace(s) == "" {
return errors.New(errorMsg)
}
return nil
}
}
// selectWrapper wraps an arbitrary stringify function + associated index, used by the select
// helpers so it can accept an arbitrary slice. It also implements the Stringer interface so
// it can automatically be printed by %s
type selectItemWrapper struct {
stringify func(index int) string
index int
}
// String adheres to the Stringer interface and returns the string representation from the
// stringify function
func (w selectItemWrapper) String() string {
return w.stringify(w.index)
}
// selectString prompts the user to select a string from the provided slice
func selectString(label string, items []string) (int, string, error) {
return selectCustom(label, items, func(index int) string {
return fmt.Sprintf("%v", items[index])
})
}
// selectCustom prompts the user to select an item from the provided slice. A stringify function is passed, which
// is responsible for returning a label for the item, when called.
func selectCustom(label string, items interface{}, stringify func(index int) string) (int, string, error) {
v := reflect.ValueOf(items)
if v.Kind() != reflect.Slice {
panic(fmt.Errorf("forEachValue: expected slice type, found %q", v.Kind().String()))
}
wrappedItems := make([]selectItemWrapper, 0)
for i := 0; i < v.Len(); i++ {
wrappedItems = append(wrappedItems, selectItemWrapper{
stringify: stringify,
index: i,
})
}
options := &promptui.Select{
Label: fmt.Sprintf("Select %s", label),
Items: wrappedItems,
Size: 10,
Templates: &promptui.SelectTemplates{
Active: fmt.Sprintf(`%s {{ . | underline }}`, promptui.IconSelect),
Inactive: ` {{ . }}`,
Selected: fmt.Sprintf("%s %s: {{ . | magenta | bold }} ", promptui.IconGood, label),
},
Searcher: func(input string, i int) bool {
return strings.Contains(
strings.ToLower(stringify(i)),
strings.ToLower(input),
)
},
}
return options.Run()
}
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