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Add partition files amount limit #18
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bf8b280
add: partitionFilesLimit param, confirm func, renamed continue-genera…
zamangi 0b2dd04
add: confirm_test; upd: renderer mock
zamangi 14d09cc
add: racy test confirm in different file; upd: output writers test, g…
zamangi 8652cdd
add: always call fn argument in WithSpinner mock
zamangi bb91fa8
upd: single test racy test without race flag
zamangi a3be8a7
upd: linter notes
zamangi ce74fd6
upd: if force flag is set, partition files limit is ignored
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package confirm | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "strings" | ||
| "sync/atomic" | ||
|
|
||
| "github.com/manifoldco/promptui" | ||
| "github.com/pkg/errors" | ||
| "github.com/tarantool/sdvg/internal/generator/cli/render" | ||
| "github.com/tarantool/sdvg/internal/generator/cli/utils" | ||
| ) | ||
|
|
||
| var ErrPromptFailed = errors.New("prompt failed") | ||
|
|
||
| // Confirm asks user a yes/no question. Returns true for “yes”. | ||
| type Confirm func(ctx context.Context, question string) (bool, error) | ||
|
|
||
| //nolint:gocritic | ||
| func BuildConfirmTTY(in io.Reader, out io.Writer) func(ctx context.Context, question string) (bool, error) { | ||
| return func(ctx context.Context, question string) (bool, error) { | ||
| fmt.Fprintln(out) | ||
|
|
||
| cancelableIn := newCancelableReader(in) | ||
| defer cancelableIn.Close() | ||
|
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| prompt := promptui.Prompt{ | ||
| Label: question + " [y/N]: ", | ||
| Default: "y", | ||
| Stdin: cancelableIn, | ||
| Stdout: utils.DummyReadWriteCloser{Writer: out}, | ||
| } | ||
| validate := func(s string) error { | ||
| if len(s) == 1 && strings.Contains("YyNn", s) || prompt.Default != "" && len(s) == 0 { | ||
| return nil | ||
| } | ||
|
|
||
| return errors.New("invalid input") | ||
| } | ||
| prompt.Validate = validate | ||
|
|
||
| var ( | ||
| input string | ||
| err error | ||
| promptFinished = make(chan struct{}) | ||
| ) | ||
|
|
||
| go func() { | ||
| input, err = prompt.Run() // goroutine will block here until user input | ||
|
|
||
| promptFinished <- struct{}{} | ||
| }() | ||
|
|
||
| select { | ||
| case <-ctx.Done(): | ||
| return false, ctx.Err() | ||
| case <-promptFinished: | ||
| } | ||
|
|
||
| if err != nil { | ||
| return false, errors.Wrap(ErrPromptFailed, err.Error()) | ||
| } | ||
|
|
||
| return strings.Contains("Yy", input), nil | ||
| } | ||
| } | ||
|
|
||
| func BuildConfirmNoTTY( | ||
| in render.Renderer, | ||
| out io.Writer, | ||
| isUpdatePaused *atomic.Bool, | ||
| ) func(ctx context.Context, question string) (bool, error) { | ||
| return func(ctx context.Context, question string) (bool, error) { | ||
| // here we pause ProgressLogManager to stop sending progress messages | ||
| isUpdatePaused.Store(true) | ||
| defer isUpdatePaused.Store(false) | ||
|
|
||
| for { | ||
| fmt.Fprintf(out, "%s [y/N]: ", question) | ||
|
|
||
| var ( | ||
| input string | ||
| err error | ||
| inputReadFinished = make(chan struct{}) | ||
| ) | ||
|
|
||
| go func() { | ||
| input, err = in.ReadLine() // goroutine will block here until user input | ||
|
|
||
| inputReadFinished <- struct{}{} | ||
| }() | ||
|
|
||
| select { | ||
| case <-ctx.Done(): | ||
| return false, ctx.Err() | ||
| case <-inputReadFinished: | ||
| } | ||
|
|
||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| if !in.IsTerminal() { | ||
| fmt.Fprintln(out, input) | ||
| } | ||
|
|
||
| switch strings.ToLower(strings.TrimSpace(input)) { | ||
| case "y", "yes": | ||
| return true, nil | ||
| case "", "n", "no": | ||
| return false, nil | ||
| default: | ||
| fmt.Fprintln(out, "Please enter y or n") | ||
| } | ||
| } | ||
| } | ||
| } | ||
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Perhaps it would be beneficial to move confirm to the render package and generally implement it as a renderer structure method.