How to use a nested form for multiple models in one form?
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Published on 2010-05-06T15:06:25Z
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2010/05/07
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ruby-on-rails
I'm struggling to come up with the proper way to design a form that will allow me to input data for two different models. The form is for an 'Incident', which has the following relationships:
belongs_to :customer
belongs_to :user
has_one :incident_status
has_many :incident_notes
accepts_nested_attributes_for :incident_notes, :allow_destroy => false
So an incident is assigned to a 'Customer' and a 'User', and the user is able to add 'Notes' to the incident. I'm having trouble with the notes part of the form. Here how the form is being submitted:
{"commit"=>"Create",
"authenticity_token"=>"ECH5Ziv7JAuzs53kt5m/njT9w39UJhfJEs2x0Ms2NA0=",
"customer_id"=>"4",
"incident"=>{"title"=>"Something bad",
"incident_status_id"=>"2",
"user_id"=>"2",
"other_id"=>"AAA01-042310-001",
"incident_note"=>{"note"=>"This is a note"}}}
It appears to be attempting to add the incident_note as a field under 'Incident', rather than creating a new entry in the incident_note table with an incident_id foreign key linking back to the incident.
Here is the 'IncidentNote' model:
belongs_to :incident
belongs_to :user
Here is the form for 'Incident':
<% form_for([@customer,@incident]) do |f| %>
<%= f.error_messages %>
<p>
<%= f.label :other_id, "ID" %><br />
<%= f.text_field :capc_id %>
</p>
<p>
<%= f.label :title %><br />
<%= f.text_field :title %>
</p>
<p>
<%= label_tag 'user', 'Assign to user?' %>
<%= f.select :user_id, @users.collect {|u| [u.name, u.id]} %>
</p>
<p>
<%= f.label :incident_status, 'Status?' %>
<%= f.select :incident_status_id, @statuses.collect {|s| [s.name, s.id]} %>
</p>
<p>
<% f.fields_for :incident_note do |inote_form| %>
<%= inote_form.label :note, 'Add a Note' %>
<%= inote_form.text_area :note, :cols => 40, :rows => 20 %>
<% end %>
</p>
<p>
<%= f.submit "Create" %>
</p>
<% end %>
And finally, here are the incident_controller entries for New and Create.
New:
def new
@customer = current_user.customer
@incident = Incident.new
@users = @customer.users
@statuses = IncidentStatus.find(:all)
@incident_note = IncidentNote.new
respond_to do |format|
format.html # new.html.erb
format.xml { render :xml => @incident }
end
end
Create:
def create
@users = @customer.users
@statuses = IncidentStatus.find(:all)
@incident = Incident.new(params[:incident])
@incident.customer = @customer
@incident_note = @incident.incident_note.build(params[:incident_note])
@incident_note.user = current_user
respond_to do |format|
if @incident.save
flash[:notice] = 'Incident was successfully created.'
format.html { redirect_to(@incident) }
format.xml { render :xml => @incident, :status => :created, :location => @incident }
else
format.html { render :action => "new" }
format.xml { render :xml => @incident.errors, :status => :unprocessable_entity }
end
end
end
I'm not really sure where to look at this point. I'm sure it's just a limitation of my current Rails skill (I don't know much). So if anyone can point me in the right direction I would be very appreciative. Please let me know if more information is needed!
Thanks!
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