initial commit

backend/internal/utils/file_util.go

@@ -0,0 +1,73 @@
+package utils
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func GetFileExtension(filename string) string {
+	splitted := strings.Split(filename, ".")
+	return splitted[len(splitted)-1]
+}
+
+func GetImageMimeType(ext string) string {
+	switch ext {
+	case "jpg", "jpeg":
+		return "image/jpeg"
+	case "png":
+		return "image/png"
+	case "svg":
+		return "image/svg+xml"
+	case "ico":
+		return "image/x-icon"
+	default:
+		return ""
+	}
+}
+
+func CopyDirectory(srcDir, destDir string) error {
+	files, err := os.ReadDir(srcDir)
+	if err != nil {
+		return err
+	}
+
+	for _, file := range files {
+		srcFilePath := filepath.Join(srcDir, file.Name())
+		destFilePath := filepath.Join(destDir, file.Name())
+
+		err := copyFile(srcFilePath, destFilePath)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func copyFile(srcFilePath, destFilePath string) error {
+	srcFile, err := os.Open(srcFilePath)
+	if err != nil {
+		return err
+	}
+	defer srcFile.Close()
+
+	err = os.MkdirAll(filepath.Dir(destFilePath), os.ModePerm)
+	if err != nil {
+		return err
+	}
+
+	destFile, err := os.Create(destFilePath)
+	if err != nil {
+		return err
+	}
+	defer destFile.Close()
+
+	_, err = io.Copy(destFile, srcFile)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}