pkg/storage/local.go

package storage

import (
	"context"
	"io"
	"os"
	"path/filepath"
	"strings"
)

type LocalStorage struct {
	*BaseStorage
	basePath string
	baseURL  string
}

func NewLocalStorage(basePath, baseURL string) *LocalStorage {
	return &LocalStorage{
		BaseStorage: NewBaseStorage(),
		basePath:    basePath,
		baseURL:     baseURL,
	}
}

func (s *LocalStorage) Upload(ctx context.Context, file io.ReadSeeker, path string) error {
	fullPath := filepath.Join(s.basePath, path)

	dir := filepath.Dir(fullPath)
	if err := os.MkdirAll(dir, 0755); err != nil {
		return err
	}

	dst, err := os.Create(fullPath)
	if err != nil {
		return err
	}
	defer dst.Close()

	if _, err := io.Copy(dst, file); err != nil {
		return err
	}
	return nil
}

func (s *LocalStorage) GetURL(path string) string {
	urlBuilder := strings.Builder{}
	urlBuilder.Write([]byte(s.baseURL))
	urlBuilder.Write([]byte(path))

	return urlBuilder.String()
}

func (s *LocalStorage) Delete(ctx context.Context, path string) error {
	// Contoh input: "http://localhost:8080/storage/users/5/profile/filename.png"

	// Ambil bagian setelah "/storage/"
	const prefix = "/storage/"
	idx := strings.Index(path, prefix)
	if idx == -1 {
		return os.ErrNotExist
	}

	relativePath := path[idx+len(prefix):]

	// Gabungkan dengan basePath
	fullPath := filepath.Join(s.basePath, relativePath)

	return os.Remove(fullPath)
}