Builds a filter path for the CMS directory listing with optional query parameters.

Parameters

• current_directory - The current directory struct or nil for root
• query - Search query string
• status - Status filter ("published", "draft", or "")
• sort_by - Column to sort by ("created", "views", "status", or "")
• sort_order - Sort direction ("asc" or "desc")
• page - Current page number (optional)
• per_page - Items per page (optional)

Examples

iex> build_filter_path(nil, "", "", "", "asc")
"/cms/directories"

iex> build_filter_path(nil, "search", "published", "created", "desc")
"/cms/directories?query=search&status=published&sort_by=created&sort_order=desc"

iex> build_filter_path(nil, "", "", "", "asc", 2, 20)
"/cms/directories?page=2&per_page=20"