rubyonrailsin

params[:find_dates].nil?

On Mar 22, 12:22 pm, Civ2boss <civ2b...@gmail.com> wrote:
> How would I go about testing the parameter?
>
> On Mar 22, 1:35 pm, Colin Law <clan...@googlemail.com> wrote:
>
> > On 22 March 2010 16:34, Civ2boss <civ2b...@gmail.com> wrote:
>
> > > So I am making a rails app that lets users search logs by date. So in
> > > my controller I have set it to look for logs from the DB using the
> > > parameters. However when it first loads, there are no parameters
> > > passed to the controller, so it gives a nil error.
>
> > > Is there a way to set the default parameters so that it won't have
> > > this error?
>
> > > Here are the controller and view snippets:
>
> > > user_sessions_controller.rb
>
> > > [...]
> > > def admin
>
> > >    @start_date = Date::civil(params[:find_dates]
> > > ['start_date(1i)'].to_i, params[:find_dates]['start_date(2i)'].to_i,
> > > params[:find_dates]['start_date(3i)'].to_i)
>
> > Test params[:find_dates] before you use it and take appropriate action if nil.
>
> > Colin
>
> > >    @end_date = Date::civil(params[:find_dates]["end_date(1i)"].to_i,
> > > params[:find_dates]["end_date(2i)"].to_i, params[:find_dates]
> > > ["end_date(3i)"].to_i)
>
> > >    @logs = Log.all(:conditions => ["updated_at between ? and ?",
> > > @start_date, @end_date], :order => "updated_at DESC")
>
> > >    respond_to do |format|
> > >      format.html { render :action => 'admin' }
> > >      format.csv { render :csv => @logs }
> > >    end
>
> > >  end
> > > [...]
>
> > > admin.html.erb
>
> > > [...]
> > > <div id="find_dates">
> > >        <% form_tag '/find_dates' do %>
> > >                <p>
> > >                        <%= label_tag "start_date", "Start Date" %>
> > >                        <%= date_select "find_dates", "start_date", :order =>
> > > [:month, :day, :year] %>
> > >                </p>
> > >                <p>
> > >                        <%= label_tag "end_date", "End Date" %>
> > >                        <%= date_select "find_dates", "end_date", :order =>
> > > [:month, :day, :year] %>
> > >                </p>
> > >                <%= submit_tag "Find" %>
> > >        <% end %>
> > > </div>
> > > [...]
>
> > > --
> > > 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 rubyonrails-talk@googlegroups.com.
> > > To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com.
> > > 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 rubyonrails-talk@googlegroups.com.
To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.