Query in model?

counselors_controller.rb

def index
    @users_array_id = User.where(loginable_type: 'Counselor').includes(:loginable).all.map { |u| [u.full_name, u.loginable.id] }.uniq

    runquery = Counselor.joins(:user)
    runquery = runquery.where(:users => {:first_name => params[:first_name]}) if params[:first_name].present?
    runquery = runquery.where(:users => {:last_name => params[:last_name]}) if params[:last_name].present?
    runquery = runquery.where(:users => {:loginable_id => params[:id]}) if params[:id].present?
    runquery = runquery.where(:users => {:active => params[:active]}) if params[:active].present?
    runquery = runquery.select('counselors.*, users.*')
    @query = runquery

  end

index.html.erb

<% if is_student == false  %>

    <div class="well" style="float:left;padding-bottom:0px;">
      <%= simple_form_for(counselors_path, :method =>'get', :html => { :class => 'form-horizontal' }) do %>

          <!--
          <%= text_field_tag :first_name, nil, :placeholder => 'First Name', style: 'margin:0px 0px 5px 0px;' %>
          <%= text_field_tag :last_name, nil, :placeholder => 'Last Name', style: 'margin:0px 0px 5px 0px;' %>
          -->

          <%= select_tag 'id', options_for_select(@users_array_id), { :prompt => 'Name', class: 'chosen-select', style: 'margin:0px 0px 5px 0px;'} %><br>
          <%= select_tag 'active', options_for_select('True'=>'t', 'False'=>'f'), { :prompt => 'Active', style: 'margin:5px 0px 5px 0px;'} %>
          <%= submit_tag 'Submit', :class => 'btn btn-primary', style: 'margin:5px 0px 5px 0px;' %>
      <% end %>
    </div>

    <div class="well" style="float:right;">
      <p><%= link_to " New Counselor", new_counselor_path,  :class => 'btn btn-success glyphicon glyphicon-plus' %></p>
    </div>

    <div class="well" style="float:right;padding:3px 5px 0px 5px;margin:0px 10px 0px 20px;">
      <p><input type="checkbox" name="basic" class="checkbox" onclick="saveToStorage()"  /> Basic</p>
      <p><input type="checkbox" name="address" class="checkbox" onclick="saveToStorage()"  /> Address</p>
      <p><input type="checkbox" name="phone" class="checkbox" onclick="saveToStorage()"  /> Phone</p>
    </div>
    <div class="tableholder table-responsive">
    <table id="report" class="table table-condensed table-bordered table-striped table-responsive">
      <tr>
        <th>First</th>
        <th class="basic">Middle</th>
        <th>Last</th>
        <th class="basic">UID</th>
        <th>Email</th>
        <th class="basic">Social</th>
        <th class="basic">Sex</th>
        <th class="basic">DOB</th>
        <th class="address">Address</th>
        <th class="address">City</th>
        <th class="address">State</th>
        <th class="address">Zip</th>
        <th class="phone">Home</th>
        <th class="phone">Work</th>
        <th class="phone">Mobile</th>
        <th class="basic">Hire Date</th>
        <th>Edit</th>
        <th>Status</th>
      </tr>
      </thead>

      <% @query.each do |s| %>
          <tbody>
          <tr>
            <td><%= s.first_name %></td>
            <td class="basic"><%= s.middle_name %></td>
            <td><%= s.last_name %></td>
            <td class="basic"><%= s.id %></td>
            <td><%= s.email %></td>
            <td class="basic"><%= s.social_security_no %></td>
            <td class="basic"><%= s.sex %></td>
            <td class="basic"><%= s.date_of_birth %></td>
            <td class="address"><%= s.street_address %></td>
            <td class="address"><%= s.city %></td>
            <td class="address"><%= s.state %></td>
            <td class="address"><%= s.postal_code %></td>
            <td class="phone"><%= s.home_phone %></td>
            <td class="phone"><%= s.work_phone %></td>
            <td class="phone"><%= s.mobile_phone %></td>
            <td class="basic"><%= s.hire_date %></td>
            <td><%= link_to " Edit", edit_counselor_path(@counselor, id: s.loginable_id), class: 'btn btn-mini glyphicon glyphicon-pencil' %></td>
            <td><% if s.active? %>
                  <%= link_to "Active", toggle_active_off_counselor_url(id: s.id), class: 'btn btn-mini btn-success', data: {confirm: 'Are you sure you want to deactivate user?'} %>
              <% else %>
                  <%= link_to "Deactive", toggle_active_on_counselor_url(id: s.id), class: 'btn btn-mini btn-danger', data: {confirm: 'Are you sure you want to activate user?'} %>
              <% end %>
            </td>
          </tr>
          </tbody>
      <% end %>
    </table>
        </div>
<% else %>
    <h2>You are not authorized to view this page.</h2>
<% end %>