@staticmethod
def build_image_path(chapter_dir, manga, chapter, image):
    """Build the image path based.

        Parameters
        ----------
        chapter_dir : str
            the manga dir path
        manga : str
            the manga name
        chapter : str
            the chapter number
        image : str
            the image name

        Returns
        -------
        str
            the full image path
        """
    image_name = '{0}-{1}-{2}.jpg'.format(manga, chapter, image)
    image_path = '/'.join([chapter_dir, image_name])
    return image_path
