Re: [Rails] Overloaded view / model code

On 6 December 2011 19:32, Craig White <craig.white@ttiltd.com> wrote:
> This is getting perhaps a little too complex for my mind to handle.
>
> What I'm trying to accomplish is to generate a list of of hosts which are clickable links from my related Person model.
>
> Person # return an array with links
>  def hostlist_linked
>    if self.host == nil then
>      results = []
>    else
>      results = self.host.sort {|a,b| a <=> b }.collect { |host| "link_to " + Setting[:base_url] + "/hosts/" + host + ", " + host + "<br>" }
>
>    end
>    return results
>  end
>
> and my view code has this...
> <%= (@person.hostlist_linked.each do |host| host; end).to_s.html_safe %>
>
> but that doesn't actually give me links and just outputs the URL as text and the link_to doesn't actually function.

The link_to must be executed as ruby, which your code makes no attempt
to do. Much easier just to put the urls in the collection then do the
link_to in the loop, something like
<% @person.hostlist_linked.each do |host| %>
<%= link_to host %>
<% end %>

Colin

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