ruby on rails - How to change the response format depending on the data sent? -


I'm doing some controller to submit reports and this is my problem:

User A Allows to download the open page with a form that changes the format of the download format and the date of the report.

A selected input is set to the download format.

When the user presses the button I want to respond based on the selected format.

The problem is that this is a specified trough url, then trying to do something like this: 

  The case format when "xlsx" then format.xlsx {... } When "html" then format.html {...} ... end   
 does not work because the rail or browser (I'm not sure) is expected to have an HTML response.  
 Although I have two options:  
     
  1.  
     Change the URL of the form  onsubmit  which creates a more dependent application on Javascript. Or   
  2.  
      redirect_to url + ". # {Params [: download_format]}"     
     In other ways I feel better but I have to pass : report_date  in the url and I can not find a way to do this.  
     I have tried this:  
      url = my_custom_url_path redirect_to url + ". # {Params [: download_format]}",: date_format => Params [: date_format]   
     but it is not working.   
     
     
     In this form:  
      & lt;% = f. Select: download_format, {"xlsx" = & gt; "Xlsx", "online" = & gt; "Html"}%>   
     In the controller:  
      def operation if download_format = params [: download_format] .delete redirect_to my_action_path (options.merge (: format = & gt; download_format )) And the end of the withdrawal # Some arguments give feedback here- format | Format.xlsx {...} format.html {...} end end

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