I've looked into this and it seems that there is no mechanism in AC that would call to_csv automatically. The code in action_controller/ metal/renderers.rb suggests that xml and json are just two special cases that do that.
On Mar 31, 3:01 pm, mfilej <[email protected]> wrote: > Did you have any luck with this, Oliver? > > I've encountered exactly the same problem. Should we reported this as > a bug? > > On Mar 7, 12:08 pm, olivernn <[email protected]> wrote: > > > > > I appreciate the discussion on the pros and cons of exporting to csv, > > however my question was more to do with what the expected behaviour of > > respond_with is when the request format is csv. > > > I would have thought that since the object I am passing to > > respond_with has a to_csv method that it wouldn't also need a template > > to return a response, much like a json, xml or yaml request. Is this > > not the expected behaviour? Maybe a bug in rails, or just something > > that could do with some more documentation? > > > From ActionController::Responder > > > # When a request comes in, for example for an XML response, three > > steps happen: > > # > > # 1) the responder searches for a template at people/index.xml; > > # > > # 2) if the template is not available, it will invoke > > <code>#to_xml</code> on the given resource; > > # > > # 3) if the responder does not <code>respond_to :to_xml</code>, > > call <code>#to_format</code> on it. > > > On Mar 7, 1:43 am, Julian Leviston <[email protected]> wrote: > > > > I agree with you, though I find it amusing when people export things to > > > csv just to run totals. So, it's important to work out just why they want > > > it in csv > > > > Blog:http://random8.zenunit.com/ > > > Twitter:http://twitter.com/random8r > > > Learn:http://sensei.zenunit.com/ > > > New video up now athttp://sensei.zenunit.com/realfastcgirails deploy > > > process! Check it out now! > > > > On 07/03/2011, at 12:18 AM, Adam Solove <[email protected]> wrote: > > > > > I'd like to strongly disagree. While csv is not a great way to send > > > > objects back and forth, it is a fantastic way to give reports to > > > > users, since they can play around with them in Excel. > > > > > On Mar 5, 9:03 am, marco <[email protected]> wrote: > > > >> All right, but, before, why would you do that? I think if you really > > > >> need to use csv (eg. some legacy system), you would rather want to > > > >> read from the csv file, turn it into object and serialize it with > > > >> JSON. In the other end you'd do the opposit. I don't think csv is a > > > >> good format to respond with, just a persistency format, very limited > > > >> by the way. > > > > >> On Mar 4, 1:22 pm, olivernn <[email protected]> wrote: > > > > >>> In my controller I have an instance of a custom report class, the > > > >>> instance responds to to_csv, which returns a csv string. I was hoping > > > >>> to be able to use respond_with, in the same way I would if I wanted a > > > >>> json representation of this object. Instead I see an error because > > > >>> Rails is expecting there to be a template. > > > > >>> ActionView::MissingTemplate (Missing template admin/reports/trips with > > > >>> {:formats=>[:csv], :handlers=>[:erb, :builder, :rjs, :rhtml, :rxml], > > > >>> :locale=>[:en, :en]} > > > >>> in view paths > > > > >>> Is this the correct behaviour, I had a brief look through the rails > > > >>> responder code and it looked to me like it should first try and render > > > >>> a template, then if it can't find one try calling to_#{format}. > > > > >>> A sample of my code is in this gisthttps://gist.github.com/854903 > > > > > -- > > > > You received this message because you are subscribed to the Google > > > > Groups "Ruby on Rails: Talk" group. > > > > To post to this group, send email to [email protected]. > > > > To unsubscribe from this group, send email to > > > > [email protected]. > > > > For more options, visit this group > > > > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
