On Monday, August 11, 2014 4:33:19 AM UTC+2, Ruby-Forum.com User wrote: > > Hi guys, > > I have been trying to pick up rails and I am having trouble passing > parameters through a link_to tag so as to retrieve records where there > is a parameter match. > > https://gist.github.com/Brayoni/3102c5dab7f76b1cee7b > > Here is my view; > <% @employees.each do |employee| %> > > <div class="name_list<%=cycle('odd', 'even')%>"><li> > <label><%= check_box_tag "retrieve_case[employee_ids]", > employee.id, false,:class=>'right' %> > <div class="att_list_names"><%= employee.first_name > %></div> </label> > </li> </div> > <% end %> > </div> > > <%= link_to "#{t('retrieve_case')}", {:controller => > 'employee_indisciplines', :action => 'show_indisciplines', :employee.id > => params[:retrieve_case]}, { :class => 'submit_button' }, :method => > 'post' %> > > > controller method; > def show_indisciplines > if request.post? > activated_ids = params[:retrieve_case][:employee_ids].collect > {|employee_id| employee_id.to_i} > > if activated_ids > @employee_indiscipline = > EmployeeIndiscipline.find_all_by_employee_id(params[:employee_id]) > end > end > end > > -- > Posted via http://www.ruby-forum.com/. > because that's how the MVC pattern works, you passing values (via params hash) from your view to your controller which extracts the needed parameters values, processes them by making call to your model if needed, initialises/changes instance variables and passes them again to the view and displays them. Why to use params hash in a view if you can pass in the variables from the controller ? Doing like that, you are 'breaking' in some way the described pattern as well as Rails convention. Try to follow Rails guides (http://guides.rubyonrails.org) to have an idea about how it works and it will become more clear and easy for you.
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