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cmd.go
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cmd.go
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package utils
import (
"fmt"
"github.com/KYVENetwork/kyvejs/tools/kysor/cmd/config"
"github.com/KYVENetwork/kyvejs/tools/kysor/cmd/types"
"github.com/chzyer/readline"
"github.com/manifoldco/promptui"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"strconv"
)
type noBellStdout struct{}
func (n *noBellStdout) Write(p []byte) (int, error) {
if len(p) == 1 && p[0] == readline.CharBell {
return 0, nil
}
return readline.Stdout.Write(p)
}
func (n *noBellStdout) Close() error {
return readline.Stdout.Close()
}
var NoBellStdout = &noBellStdout{}
// AddStringFlags adds the given string flags to the given command.
// If a flag is required it will be marked as required.
func AddStringFlags(cmd *cobra.Command, flags []types.StringFlag) {
for _, f := range flags {
cmd.Flags().StringP(f.Name, f.Short, f.DefaultValue, f.Usage)
if f.Required {
err := cmd.MarkFlagRequired(f.Name)
if err != nil {
panic(err)
}
}
}
}
// AddBoolFlags adds the given bool flags to the given command.
// If a flag is required it will be marked as required.
func AddBoolFlags(cmd *cobra.Command, flags []types.BoolFlag) {
for _, f := range flags {
cmd.Flags().BoolP(f.Name, f.Short, f.DefaultValue, f.Usage)
if f.Required {
err := cmd.MarkFlagRequired(f.Name)
if err != nil {
panic(err)
}
}
}
}
// AddIntFlags adds the given int flags to the given command.
// If a flag is required it will be marked as required.
func AddIntFlags(cmd *cobra.Command, flags []types.IntFlag) {
for _, f := range flags {
cmd.Flags().Int64P(f.Name, f.Short, f.DefaultValue, f.Usage)
if f.Required {
err := cmd.MarkFlagRequired(f.Name)
if err != nil {
panic(err)
}
}
}
}
// AddOptionFlags adds the given option flags to the given command.
// If a flag is required it will be marked as required.
func AddOptionFlags[T any](cmd *cobra.Command, flags []types.OptionFlag[T]) {
for _, f := range flags {
var options []string
for _, option := range f.Options {
options = append(options, option.Name())
}
var defaultValue string
if f.DefaultValue != nil {
defaultValue = f.DefaultValue.Name()
}
cmd.Flags().StringP(f.Name, f.Short, defaultValue, f.Usage)
if f.Required {
err := cmd.MarkFlagRequired(f.Name)
if err != nil {
panic(err)
}
}
}
}
// IsInteractive returns true if the non-interactive flag was not set.
func IsInteractive(cmd *cobra.Command) bool {
return !cmd.Flags().Changed(types.FlagNonInteractive.Name)
}
// SetupInteractiveMode sets up the interactive mode for the given command.
// This means that all flags are not required anymore.
func SetupInteractiveMode(cmd *cobra.Command, _ []string) error {
if IsInteractive(cmd) {
cmd.Flags().VisitAll(func(f *pflag.Flag) {
for val, annotation := range f.Annotations {
if val == cobra.BashCompOneRequiredFlag {
annotation[0] = "false"
}
}
})
}
return nil
}
func CheckIfInitialized(_ *cobra.Command, _ []string) error {
if !config.IsInitialzed() {
return fmt.Errorf("kysor is not initialized. Run 'kysor init' to initialize kysor")
}
return nil
}
func CheckIfHasValaccounts(_ *cobra.Command, _ []string) error {
if len(config.ValaccountConfigOptions) == 0 {
return fmt.Errorf("no valaccount found. Create one with 'kysor valaccounts create'")
}
return nil
}
func CombineFuncs(funcs ...cobra.PositionalArgs) cobra.PositionalArgs {
return func(cmd *cobra.Command, args []string) error {
for _, f := range funcs {
err := f(cmd, args)
if err != nil {
return err
}
}
return nil
}
}
// PromptCmd prompts the user to select one of the given options.
func PromptCmd(options []types.CmdConfig) (*types.CmdConfig, error) {
var items []string
for _, option := range options {
items = append(items, option.PromptString())
}
prompt := promptui.Select{
Label: "What do you want to do?",
Items: items,
Stdout: NoBellStdout,
Size: len(options),
}
_, result, err := prompt.Run()
if err != nil {
return nil, err
}
for _, option := range options {
if option.PromptString() == result {
return &option, nil
}
}
return nil, fmt.Errorf("invalid option: %s", result)
}
// GetStringFromPromptOrFlag returns the string value from
// 1. the given flag
// 2. prompts the user for the value if the flag was not set
func GetStringFromPromptOrFlag(cmd *cobra.Command, flag types.StringFlag) (string, error) {
value, err := cmd.Flags().GetString(flag.Name)
if err != nil {
return "", err
}
if IsInteractive(cmd) && !cmd.Flags().Changed(flag.Name) {
// Only prompt if we are in interactive mode and the flag was not set
label := flag.Prompt
if label == "" {
label = flag.Usage
}
prompt := promptui.Prompt{
Label: label,
Validate: flag.ValidateFn,
Default: flag.DefaultValue,
Stdout: NoBellStdout,
}
return prompt.Run()
} else if cmd.Flags().Changed(flag.Name) {
// If the flag was set we need to validate it (if a validation function is set)
if flag.ValidateFn != nil {
err = flag.ValidateFn(value)
if err != nil {
return "", err
}
}
}
return value, nil
}
// GetBoolFromPromptOrFlag returns the bool value from
// 1. the given flag
// 2. prompts the user for the value if the flag was not set
func GetBoolFromPromptOrFlag(cmd *cobra.Command, flag types.BoolFlag) (bool, error) {
value, err := cmd.Flags().GetBool(flag.Name)
if err != nil {
return false, err
}
if IsInteractive(cmd) && !cmd.Flags().Changed(flag.Name) {
// Only prompt if we are in interactive mode and the flag was not set
cursorPos := 0
if !value {
cursorPos = 1
}
label := flag.Prompt
if label == "" {
label = flag.Usage
}
prompt := promptui.Select{
Label: label,
Items: []string{"Yes", "No"},
CursorPos: cursorPos,
Stdout: NoBellStdout,
}
_, result, err := prompt.Run()
if err != nil {
return false, err
}
return result == "Yes", nil
}
return value, nil
}
// GetIntFromPromptOrFlag returns the int value from
// 1. the given flag
// 2. prompts the user for the value if the flag was not set
func GetIntFromPromptOrFlag(cmd *cobra.Command, flag types.IntFlag) (int64, error) {
value, err := cmd.Flags().GetInt64(flag.Name)
if err != nil {
return 0, err
}
if IsInteractive(cmd) && !cmd.Flags().Changed(flag.Name) {
// Only prompt if we are in interactive mode and the flag was not set
label := flag.Prompt
if label == "" {
label = flag.Usage
}
prompt := promptui.Prompt{
Label: label,
Validate: flag.ValidateFn,
Default: strconv.FormatInt(flag.DefaultValue, 10),
Stdout: NoBellStdout,
}
result, err := prompt.Run()
if err != nil {
return 0, err
}
parsed, err := strconv.ParseInt(result, 10, 64)
if err != nil {
return 0, err
}
return parsed, nil
} else if cmd.Flags().Changed(flag.Name) {
// If the flag was set we need to validate it (if a validation function is set)
if flag.ValidateFn != nil {
err = flag.ValidateFn(strconv.FormatInt(value, 10))
if err != nil {
return 0, err
}
}
}
return value, nil
}
// GetOptionFromPrompt returns the option value from a select prompt
func GetOptionFromPrompt[T any](flag types.OptionFlag[T]) (types.Option[T], error) {
label := flag.Prompt
if label == "" {
label = flag.Usage
}
cursorPos := 0
var items []string
for i, option := range flag.Options {
items = append(items, option.Name())
if option == flag.DefaultValue {
cursorPos = i
}
}
prompt := promptui.Select{
Label: label,
Items: items,
Stdout: NoBellStdout,
Size: len(flag.Options),
CursorPos: cursorPos,
}
_, result, err := prompt.Run()
if err != nil {
return nil, err
}
for _, option := range flag.Options {
if option.Name() == result {
return option, nil
}
}
return nil, fmt.Errorf("invalid option: %s", result)
}
// GetOptionFromPromptOrFlag returns the option value from
// 1. the given flag
// 2. prompts the user for the value if the flag was not set
func GetOptionFromPromptOrFlag[T any](cmd *cobra.Command, flag types.OptionFlag[T]) (types.Option[T], error) {
value, err := cmd.Flags().GetString(flag.Name)
if err != nil {
return nil, err
}
if len(flag.Options) == 0 {
return nil, fmt.Errorf("no options available")
}
if IsInteractive(cmd) && !cmd.Flags().Changed(flag.Name) {
// Only prompt if we are in interactive mode and the flag was not set
return GetOptionFromPrompt(flag)
} else if cmd.Flags().Changed(flag.Name) {
// If the flag was set we need to validate it (if a validation function is set)
if flag.ValidateFn != nil {
err = flag.ValidateFn(value)
if err != nil {
return nil, err
}
}
}
for _, option := range flag.Options {
if option.StringValue() == value || option.Name() == value {
return option, nil
}
}
return nil, fmt.Errorf("invalid option: %s", value)
}