henryaj/Maker-Spark-Server

class EventHandler

    attr_accessor :rfid_data, :message, :formatter, :user, :user_messages

    def initialize(my_json, user)
        @rfid_data = my_json
        @message = Message.new
        @formatter = Formatter.new
        @user = user
    end

    def build_message
        if user
            message.add_greeting(user.github_user)
            message.add_divider
            message.add_time_dependent_message(user.github_user)
            message.add_divider
            build_user_message
            message.add_divider
        else
            build_rfid_url_message
        end
    end

    def print_message(printer)
        printer.print(message)
    end

    def build_rfid_url_message
        message.add_rfid_url(@rfid_data["data"])
    end

    def build_user_message
        user_messages = UserMessage.all(user_id: user.id)
        user_messages.each do |user_message|
            message_content = user_message.content
            user_name = user.github_user
            message.add_user_message(message_content,user_name)
        end
        message.add_lines(["CENTRE","No messages today."]) if user_messages == []
    end

    def delete_user_messages(response)
        user.destroy_all_user_messages if response == "Successfully sent to the printer!"
    end

end