wrestlingdev.com/app/views/wrestlers/_form.html.erb

<%= form_for(@wrestler) do |f| %>
  <% if @wrestler.errors.any? %>
    <div id="error_explanation">
      <h2><%= pluralize(@wrestler.errors.count, "error") %> prohibited this wrestler from being saved:</h2>
      <ul>
        <% @wrestler.errors.full_messages.each do |msg| %>
          <li><%= msg %></li>
        <% end %>
      </ul>
    </div>
  <% end %>

  <div class="field">
    <%= f.label :name %><br>
    <%= f.text_field :name %>
  </div>

  <% if can? :manage, @wrestler.tournament %>
    <div class="field">
      <%= f.label 'School' %><br>
      <%= f.collection_select :school_id, @school.tournament.schools, :id, :name %>
    </div>
  <% else %>
    <%= f.hidden_field :school_id, value: @school.id %>
  <% end %>

  <div class="field">
    <%= f.label 'Weight Class' %><br>
    <%= f.collection_select :weight_id, @weights, :id, :max %>
  </div>

  <div class="field">
    <%= f.label "Season Wins" %><br>
    <%= f.number_field :season_win %>
  </div>

  <div class="field">
    <%= f.label "Season Losses" %><br>
    <%= f.number_field :season_loss %>
  </div>

  <!-- Render the hidden field if a permission key is present -->
  <% if @school_permission_key.present? %>
    <%= f.hidden_field :school_permission_key, value: @school_permission_key %>
  <% end %>

  <div class="actions">
    <%= f.submit class: "btn btn-success" %>
  </div>
<% end %>