Nothing like pleading to the world for help on a problem to quicken your
mind! I solved this.
First, I had to add a custom renderer in
config/initializers/csv_renderer.rb:
require 'action_controller/metal/renderers'
> ActionController.add_renderer :csv do |csv, options|
> self.response_body = csv.respond_to?(:to_csv) ? csv.to_csv(options) : csv
> end
And in order to tell the controller that it should respond to :csv I added
the responders gem per my original post and added this to the top of the
controller:
respond_to :csv
It works like a champ now.
Chris
On Thursday, July 9, 2015 at 12:12:19 PM UTC-7, Chris McCann wrote:
>
> I'm nearly done porting a Rails 2.3 app to Rails 4.2, including a switch
> to Postgres. Yay!
>
> But I've bumped into an issue I can't seem to sort out with regard to
> calling "send_data" in a controller to return a CSV file.
>
> My previously functioning code now complains about a missing template:
>
> Missing template search_results_export/export_geo_search_results,
>> application/export_geo_search_results with {:locale=>[:en],
>> :formats=>[:csv], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby,
>> :coffee, :prawn, :prawn_dsl]}.
>
>
> The code isn't getting into the controller action where the CSV data is
> generated, so it's something higher up in the stack.
>
> Responders were removed from Rails 4.2:
>
> respond_with and the class-level respond_to methods have been extracted
>> to the responders gem. To use them, simply add gem 'responders', '~> 2.0'
>> to your Gemfile.
>
>
> I've added the responders gem but still no dice.
>
> Anyone have words of wisdom? Do I need to add a custom Renderer?
>
> Chris
>
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