def get_random_subtitle
	subtitles = File.readlines "misc/subtitles.txt"
	subtitles.sample.chomp
end

def is_logged_in
	session[:userid] != nil
end

def get_current_user 
	session[:userid] && User.find_by_id(session[:userid])
end

# Serve templates
def serve(template, locals={})
	# Insert the error locals (if it exists)
	locals[:error_msg] = session[:error_msg] or ""
	session[:error_msg] = nil

	locals[:session_user] = get_current_user unless !is_logged_in

	# Serve the slim template
	slim(template, locals: locals)
end