Rails - Aug 2014 - Rails 2.3.5: Trouble passing params to controller method through link_to tag

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

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