package console import ( "context" "fmt" "strings" "gitoa.ru/go-4devs/console/input" "gitoa.ru/go-4devs/console/input/argument" "gitoa.ru/go-4devs/console/input/option" "gitoa.ru/go-4devs/console/input/validator" "gitoa.ru/go-4devs/console/output" "gitoa.ru/go-4devs/console/output/descriptor" ) const defaultLenNamespace = 2 //nolint: gochecknoinits func init() { MustRegister(list()) } func list() *Command { return &Command{ Name: CommandList, Description: "Lists commands", Help: ` The {{ .Name }} command lists all commands: {{ .Bin }} {{ .Name }} You can also display the commands for a specific namespace: {{ .Bin }} {{ .Name }} test You can also output the information in other formats by using the --format option: {{ .Bin }} {{ .Name }} --format=xml `, Execute: func(ctx context.Context, in input.Input, out output.Output) error { ns := in.Argument(ctx, "namespace").String() format := in.Option(ctx, helpOptFormat).String() des, err := descriptor.Find(format) if err != nil { return err } cmds := Commands() commands := descriptor.Commands{ Namespace: ns, Definition: Default(input.NewDefinition()), } groups := make(map[string]*descriptor.NSCommand) namespaces := make([]string, 0, len(cmds)) empty := descriptor.NSCommand{} for _, name := range cmds { if ns != "" && !strings.HasPrefix(name, ns+":") { continue } cmd, _ := Find(name) if cmd.Hidden { continue } gn := strings.SplitN(name, ":", 2) if len(gn) != defaultLenNamespace { empty.Append(cmd.Name, cmd.Description) continue } if _, ok := groups[gn[0]]; !ok { groups[gn[0]] = &descriptor.NSCommand{ Name: gn[0], } namespaces = append(namespaces, gn[0]) } groups[gn[0]].Append(name, cmd.Description) } if len(empty.Commands) > 0 { commands.Commands = append(commands.Commands, empty) } for _, name := range namespaces { commands.Commands = append(commands.Commands, *groups[name]) } if ns != "" && len(commands.Commands) == 0 { return fmt.Errorf("%w: namespace %s", ErrNotFound, ns) } return des.Commands(ctx, out, commands) }, Configure: func(ctx context.Context, config *input.Definition) error { formats := descriptor.Descriptors() config. SetArguments( argument.New("namespace", "The namespace name"), ). SetOptions( option.New(helpOptFormat, fmt.Sprintf("The output format (%s)", strings.Join(formats, ", ")), option.Required, option.Default(formats[0]), option.Valid( validator.NotBlank(0), validator.Enum(formats...), ), ), ) return nil }, } }