unrar / midb

  module Interface

    # A view that outputs errors.

    class Errors

      # Handles fatal errors that will cause the application to abrort.

      # 

      # @param err [Symbol] The ID of the error that's to be reported.

      def self.die(err)

        errmsg =  case err

          when :noargs then "No command supplied. See `midb help`."

          when :server_already_started then "The server has already been started and is running."

          when :server_not_running then "The server isn't running."

          when :server_error then "Error while starting server."

          when :no_serves then "No files are being served. Try running `midb serve file.json`"

          when :syntax then "Syntax error. See `midb help`"

          when :file_404 then "File not found."

          when :not_json then "Specified file isn't JSON!"

          when :json_exists then "Specified file is already being served."

          when :json_not_exists then "The JSON file isn't being served."

          when :unsupported_engine then "The specified database engine isn't supported by midb."

          when :already_project then "This directory already contains a midb project."

          when :bootstrap then "midb hasn't been bootstraped in this folder. Run `midb bootstrap`."

          when :no_help then "No help available for this command. See a list of commands with `midb help`."

          else "Unknown error: #{err.to_s}"

        end

        abort("Fatal error: #{errmsg}")

    end

  end