我有一個事件模型和封裝模式同時存在:的Rails:保存親子嵌套形式
# event.rb
belongs_to :organization, optional: true
belongs_to :event_type, optional: true
has_many :packages
has_many :collaborations
has_many :messages, through: :collaborations
has_many :forms, through: :collaborations
# package.rb
belongs_to :event
has_many :package_collaborations
has_many :collaborations, through: :package_collaborations
我希望用戶能夠創建在同一時間的事件和封裝與嵌套形成這樣的:
這是我的兩種形式:
#_event_form.rb (simplified for easier reading)
<%= form_for(event) do |f| %>
<%= render 'shared/error_messages', object: f.object %>
<br>
<div class="form-group">
<%= f.label :title %>
<%= f.text_field :title, class: 'form-control' %>
</div>
<% if f.object.new_record? %>
<%= f.hidden_field :status, value: 'upcoming' %>
<% else %>
<div class="form-group">
<%= f.label :attendee_count %>
<%= f.number_field :attendee_count, class: 'form-control' %>
</div>
<div class="form-group">
<%= f.label :status %>
<%= f.select :status, [['Upcoming','upcoming'],['Completed','completed']], {}, class: 'form-control' %>
</div>
<% end %>
<hr>
<div class="form-group required">
<%= f.label :started_at, 'Starts' %>
<div class='input-group date form_datetime'>
<% if event.started_at.present? %>
<%= f.text_field :started_at, class: 'form-control', value: event.started_at.strftime("%m/%d/%Y %H:%M %p") %>
<% end %>
</div>
</div>
<div class="form-group required">
<%= f.label :ended_at, 'Ends' %>
<div class='input-group date form_datetime'>
<% if event.ended_at.present? %>
<%= f.text_field :ended_at, class: 'form-control', value: event.ended_at.strftime("%m/%d/%Y %H:%M %p") %>
<% end %>
</span>
</div>
</div>
<%= f.hidden_field :platform_type, value: "a_platform" %>
<hr>
<%= render 'packages/package_form', event: @event %> # <--- Nested form here.
<div class="actions" id="listen-for-hover">
<%= f.submit 'Save', class: 'btn btn-primary', :id => "event-create-button" %>
</div>
<% end %>
#_package_form.rb
<%= form_for([@event, @package]) do |f| %>
<%= render 'shared/error_messages', object: f.object %>
<%= f.hidden_field :kind, value: params[:kind] if f.object.new_record? %>
<div class="form-group required">
<%= f.label :Your_offer_?, "Your Offer?" %>
<%= f.text_area :offering, class: 'form-control', :placeholder => "e.g. Your logo on stuff" %>
</div>
<div class="form-group">
<%= f.label :notes %>
<%= f.text_area :notes, class: 'form-control', :placeholder => "Notes here" %>
</div>
<hr>
<div class="actions">
<%= f.submit 'Submit', class: 'btn btn-primary', id: 'package-submit-button', disabled: true %>
</div>
<% end %>
使用表單這樣會導致這個錯誤:
Extracted source (around line #3):
1 <%# remoteFlag = false %>
2 <%# remoteFlag = true if @event.title == "dummy event" %>
3 <%= form_for([@event, @package]) do |f| %>
4 <%= render 'shared/error_messages', object: f.object %>
顯然,這是因爲@event還沒有被創建,所以沒有爲它的ID。什麼是最好的方法來使這個嵌套的表單,用於同時創建新的事件/包(新的沒有ID的對象)或編輯現有的(帶有ID的現有對象)通過使用部分在另一部分應用程序嗎?
我輸入了完全相同的代碼行,並得到相同的確切錯誤: '沒有路由匹配{:action =>「index」,:controller =>「packages」,:event_id => nil}鍵:[:event_id] ' – Antonio
問題是事件本身還沒有創建,它也是IDless – Antonio
@Antonio你沒有提到問題中的錯誤。錯誤是一個不同的問題。確保你使用'Event.new'在Controller方法上創建了一個新的'Event'。我強烈建議使用RoR官方指南,因爲它與你試圖實現的完全相同。 –