PackageManager/Client/Package/UninstallPackage.go

package Package

import (
	"PackageManager/Archive"
	"PackageManager/Color"
	"PackageManager/Variables"
	"fmt"
	"os"
	"path/filepath"
)

func UninstallPackage(pkgs []string) error {
	var (
		pkgFiles []string
		pkg      string
		f        string
		err      error
	)

	for _, pkg = range pkgs {
		_, err = os.Stat(pkg)
		if os.IsNotExist(err) {
			return fmt.Errorf("invalid package %s", pkg)
		}
	}

	for _, pkg = range pkgs {
		fmt.Printf(
			"Uninstalling %s...\n",
			pkg,
		)

		pkgFiles, err = Archive.GetPackageFilePaths(pkg)
		if err != nil {
			return err
		}

		for _, f = range pkgFiles {
			err = os.Remove(filepath.Join(Variables.RootDir, f))
			if os.IsNotExist(err) {
				continue
			}
			if err != nil {
				return err
			}
		}

		fmt.Printf(
			Color.Green("%s uninstalled\n"),
			pkg,
		)
	}

	return nil
}