efritz/ij

package subcommand

import (
    "bufio"
    "fmt"
    "os"
    "strings"

    "github.com/efritz/ij/config"
    "github.com/efritz/ij/options"
    "github.com/efritz/ij/paths"
)

func NewCleanCommand(appOptions *options.AppOptions, cleanOptions *options.CleanOptions) CommandRunner {
    return func(config *config.Config) error {
        err := paths.NewRemover(appOptions.ProjectDir).Remove(
            config.Export.Files,
            config.Export.CleanExcludes,
            cleanPromptFactory(appOptions.ProjectDir, cleanOptions.ForceClean),
        )

        if err != nil {
            return fmt.Errorf(
                "Failed to clean exported files: %s",
                err.Error(),
            )
        }

        return nil
    }
}

func cleanPromptFactory(workingDir string, force bool) func(string) (bool, error) {
    reader := bufio.NewReader(os.Stdin)

    return func(path string) (bool, error) {
        if force {
            return true, nil
        }

        fmt.Printf("remove '%s'? ", path[len(workingDir):])

        text, err := reader.ReadString('\n')
        if err != nil {
            return false, err
        }

        if strings.ToLower(strings.TrimSpace(text)) == "y" {
            return true, nil
        }

        return false, nil
    }
}