code.power

	/**
	 * Get a file or its LFS object from a repository.
	 *
	 * @param	string      $owner	The owner name.
	 * @param	string      $repo	The repository name.
	 * @param	string      $filepath	The file path.
	 * @param	string|null $ref		The name of the commit/branch/tag. (Optional)
	 *
	 * @return string
	 * @since 3.2.0
	 */
	public function get(
		string $owner,
		string $repo,
		string $filepath,
		?string $ref = null
	): string
	{
		// Build the request path.
		$encodedFilepath = rawurlencode($filepath);
		$path = "/repos/{$owner}/{$repo}/media/{$encodedFilepath}";

		// Prepare the URI.
		$uri = $this->uri->get($path);

		// Add the 'ref' query parameter if provided.
		if ($ref !== null)
		{
			$uri->setVar('ref', $ref);
		}

		// Send the GET request.
		return $this->response->get(
			$this->http->get($uri), 200, 'success'
		);
	}