我试图找到一种优雅的方法,在Appointment模型(如下所示)上保存一个名为“description”的附加字段。我的模型设置如下:
class Physician < ActiveRecord::Base
has_many :appointments
has_many :patients, through: :appointments
end
class Appointment < ActiveRecord::Base
belongs_to :physician
belongs_to :patient
end
class Patients < ActiveRecord::Base
has_many :appointments
has_many :physicians, through: :appointments
attr_accessible :name
end
我认为我已经设置了复选框以保存连接表的数据,但我想添加一个额外的“描述”字段来与连接一起保存。以下是我的视图中的内容:
<div class="field">
<fieldset>
<legend>Patients</legend>
<% @patients.each_slice(2) do |slice| %>
<div class='row'>
<% slice.each do |patient| %>
<div class='span3'>
<%= label_tag "physician_patient_ids_#{patient.id}" do %>
<%= check_box_tag 'physician[patient_ids][]', patient.id,
@physician.patients.include?(patient),
{ id: "physician_patient_ids_#{patient.id}" } %>
<%= patient.name %>
<% end %>
<!-- need to add in description here somehow -->
</div>
<% end %>
</div>
<% end %>
</fieldset>
</div>