app/views/projects/_form_edit.html.erb
<%= simple_form_for(@project) do |f| %>
<%= f.error_notification %>
<div class="form-inputs">
<%= f.input :title, label: 'Nazwa projektu:' %>
<%= f.input :icon, label: 'Url ikony:' %>
<%= f.input :github, :collection => @repositories, :label_method => :full_name, :value_method => :full_name, :label => 'Nazwa repozytorium', :include_blank => false %>
<%- if current_user.is_teacher? -%>
<%= f.input :contest, as: :boolean, label: 'Projekt Konkursowy:' %>
<%- end -%>
</div>
<div class="buttons">
<a class="btn btn-danger" href="<%= project_path(@project) %>">Zamknij edycjÄ™</a>
<%= f.button :submit, class: 'btn btn-primary' %>
</div>
<% end %>