All geek questions in one place

Rails 5 - Using Polymorphic Associations - Displaying Views

I'm trying to learn how to use polymorphic associations in my Rails 5 application. I recently asked this question, but I edited it so many times to show everything I tried, it got dirty

I have models called Organization, Offer and Package :: Bip.

Associations:

Organization

has_many :bips, as: :ipable, class_name: Package::Bip
    accepts_nested_attributes_for :bips,  reject_if: :all_blank, allow_destroy: true

Sentence

has_many :bips, as: :ipable, class_name: Package::Bip
    accepts_nested_attributes_for :bips,  reject_if: :all_blank, allow_destroy: true

Package :: Beep

belongs_to :ipable, :polymorphic => true, optional: true #, inverse_of: :bip

Package :: Bip can be associated with either the Organization or the proposal. I'm struggling to figure out how to show the :: Bips package, which apply only to the proposal in my proposal, and the same goes for the organization.

My package :: beep table has these 2 columns:

#  ipable_id      :integer
#  ipable_type    :string

Ipable_type is set to either Offer or Organization.

In my sentence sentence, I have:

<% if @proposal.bips.present? %>
    <%#= render @proposal.bips %>
     <%= link_to proposal_package_bips_path(@proposal) do %> 
     <% end %>
<% end %>

. , , : :

<% if @proposal.bips.present? %>
    <%= render @proposal.bips %>
<% end %>

, (@proposal) package_bip . . , , package_bips ( , ).

:

 def index
    @proposals = Proposal.all
    # @bips = @proposal.bips
    # authorize @proposals
  end


def show
    @bips = @proposal.bips#.where(ipable_type: 'Proposal')
end

:: BipsController

def index

    if params[:ipable_type] == "Proposal"
      @bips = Package::Bip.where(:ipable_type == 'Proposal')
    else params[:ipable_type] ==  'Organisation'
      @bips = Package::Bip.where(:ipable_type == 'Organisation')
    end

, , .

4 Package:: Bip db.

Package::Bip.pluck(:ipable_type)
   (0.8ms)  SELECT "package_bips"."ipable_type" FROM "package_bips"
 => ["Proposal", "Proposal", "Proposal", "Organisation"]

3 , 1 .

3, , .

Package::Bip.pluck(:ipable_id)
   (0.8ms)  SELECT "package_bips"."ipable_id" FROM "package_bips"
 => [15, 13, 16, 1]

, Bips, .

, , :

<%= link_to proposal_package_bips_path(@proposal) do %>

, /package/bips/index.html.erb :

<% @bips.each do |ip| %>
   <%= ip.title.titleize %>
      <%#= link_to 'More details', package_bip_path(ip) %>

, , 1 package_bip. 4 (2 .bips , ). .

, bips/index.html.erb bips/show.html.erb. , :

<%= link_to 'More details', package_bip_path(ip) %> <

​​, :

undefined method `package_bip_path' for #<#<Class:0x007fbce68389c0>:0x007fbcfdc31c18>

, , , , .

:

resources :proposals do 
    namespace :package do
      resources :bips 
    end

resources :organisations do 
  namespace :package do
    resources :bips 
  end

, .

p = Proposal.last
  Proposal Load (4.8ms)  SELECT  "proposals".* FROM "proposals" ORDER BY "proposals"."id" DESC LIMIT $1  [["LIMIT", 1]]
 => #<Proposal id: 16, user_id: 4, title: "test tenor", description: "test tenor",  created_at: "2016-11-08 21:58:38", updated_at: "2016-11-08 21:58:38"> 
2.3.1p112 :199 > p.bips
  Package::Bip Load (0.3ms)  SELECT "package_bips".* FROM "package_bips" WHERE "package_bips"."ipable_id" = $1 AND "package_bips"."ipable_type" = $2  [["ipable_id", 16], ["ipable_type", "Proposal"]]
 => #<ActiveRecord::Associations::CollectionProxy [#<Package::Bip id: 19, identifier: "test tenor", description: nil, conditions: "test tenor", ipable_id: 16, ipable_type: "Proposal", created_at: "2016-11-08 21:58:38", updated_at: "2016-11-08 21:58:38", title: "test tenor", status: nil, classification: "Copyright">]> 
2.3.1p112 :200 > p.bips.count
   (3.5ms)  SELECT COUNT(*) FROM "package_bips" WHERE "package_bips"."ipable_id" = $1 AND "package_bips"."ipable_type" = $2  [["ipable_id", 16], ["ipable_type", "Proposal"]]
 => 1

.

- , , , , (, /), /?

UPDATE

.

, :

  • create :

    def create        params [: organisation_id]         parent = Organisation.find(params [: organisation_id])       elsif params [: offer_id]         parent = Proposal.find(params [: offer_id])       

    bip = Package::Bip.new
Package::Bip.ipable = parent
# @bip = Package::Bip.new(bip_params)
# authorize @bip

respond_to do |format|
  if @bip.save
    format.html { redirect_to @bip }
    format.json { render :show, status: :created, location: @bip }
  else
    format.html { render :new }
    format.json { render json: @bip.errors, status: :unprocessable_entity }
  end
end

  • :

, , :: Bips .

, :: Bips, .

Package::Bip.all.pluck(:ipable_type)
   (0.9ms)  SELECT "package_bips"."ipable_type" FROM "package_bips"
 => ["Proposal", "Proposal", "Proposal", "Organisation", "Proposal"]

, :

undefined method `empty?' for #<Class:0x007ff20920e218>

:

<%= polymorphic_path(@proposal, Package::Bip) %>

:

Started POST "/__better_errors/3f34303f5f5c670f/variables" for ::1 at 2016-11-13 10:58:13 +1100
  Package::Bip Load (0.4ms)  SELECT "package_bips".* FROM "package_bips" WHERE "package_bips"."ipable_id" = $1 AND "package_bips"."ipable_type" = $2  [["ipable_id", 15], ["ipable_type", "Proposal"]]

, '[]' .

:

<%= link_to polymorphic_path([@proposal, Package::Bip]) do  %>

( , ).

, , ( - ).

Started GET "/proposals/15/package/bips" for ::1 at 2016-11-13 11:24:32 +1100
Processing by Package::BipsController#index as HTML
  Parameters: {"proposal_id"=>"15"}
  User Load (1.1ms)  SELECT  "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT $2  [["id", 4], ["LIMIT", 1]]
  Rendering package/bips/index.html.erb within layouts/application
  Package::Bip Load (0.6ms)  SELECT "package_bips".* FROM "package_bips"
  Rendered package/bips/index.html.erb within layouts/application (5.4ms)

, package_bips.

, :

rake routes | grep package_bip
            organisation_package_bips GET      /organisations/:organisation_id/package/bips(.:format)                  package/bips#index
         new_organisation_package_bip GET      /organisations/:organisation_id/package/bips/new(.:format)              package/bips#new
        edit_organisation_package_bip GET      /organisations/:organisation_id/package/bips/:id/edit(.:format)         package/bips#edit
             organisation_package_bip GET      /organisations/:organisation_id/package/bips/:id(.:format)              package/bips#show
                proposal_package_bips GET      /proposals/:proposal_id/package/bips(.:format)                          package/bips#index
             new_proposal_package_bip GET      /proposals/:proposal_id/package/bips/new(.:format)                      package/bips#new
            edit_proposal_package_bip GET      /proposals/:proposal_id/package/bips/:id/edit(.:format)                 package/bips#edit
                 proposal_package_bip GET      /proposals/:proposal_id/package/bips/:id(.:format)                      package/bips#show

, show , /package/bips/index.html.erb :

 <% @bips.each do |ip| %>
    <%= link_to polymorphic_path([@ipable, ip]) %>

:

undefined method `package_bip_path' for #<#<Class:0x007f9e8ac29248>:0x007f9e939c9508>

. :

def set_proposal
   @proposal = Proposal.find(params[:id])
end

:

params = {:proposal_id => 15}
 => {:proposal_id=>15} 


2.3.1p112 :031 > @proposal = Proposal.find(params[:proposal_id])
  Proposal Load (0.7ms)  SELECT  "proposals".* FROM "proposals" WHERE "proposals"."id" = $1 LIMIT $2  [["id", 15], ["LIMIT", 1]]
 => #<Proposal id: 15, user_id: 4, title: "testing filter", description: "testing filter", byline: "testing filter", nda_required: true, created_at: "2016-11-08 00:59:09", updated_at: "2016-11-08 00:59:09"> 

2.3.1p112 :033 > @proposal.bips
  Package::Bip Load (0.7ms)  SELECT "package_bips".* FROM "package_bips" WHERE "package_bips"."ipable_id" = $1 AND "package_bips"."ipable_type" = $2  [["ipable_id", 15], ["ipable_type", "Proposal"]]
 => #<ActiveRecord::Associations::CollectionProxy [#<Package::Bip id: 17, identifier: "testing filter", description: nil, conditions: "testing filter", ipable_id: 15, ipable_type: "Proposal", created_at: "2016-11-08 00:59:09", updated_at: "2016-11-08 00:59:09", title: "testing filter", status: nil, classification: "Patent">, #<Package::Bip id: 21, identifier: "dd", description: nil, conditions: "dd", ipable_id: 15, ipable_type: "Proposal", created_at: "2016-11-10 22:47:54", updated_at: "2016-11-10 22:47:54", title: "ldsjflkjklsdjfl", status: nil, classification: "Design">]> 
2.3.1p112 :034 > @proposal.bips.count
   (6.3ms)  SELECT COUNT(*) FROM "package_bips" WHERE "package_bips"."ipable_id" = $1 AND "package_bips"."ipable_type" = $2  [["ipable_id", 15], ["ipable_type", "Proposal"]]
 => 2

.

, , :

def show
    @images = @proposal.images
    byebug
    puts 'testing proposal controller'
    @bips = @proposal.bips#.where(ipable_type: 'Proposal')
  end

, :

params
<ActionController::Parameters {"controller"=>"proposals", "action"=>"show", "id"=>"15"} permitted: false>
(byebug) proposal_params
*** ActionController::ParameterMissing Exception: param is missing or the value is empty: proposal

nil

, , "require" .

_ :

def proposal_params
      params.require(:proposal).permit(:title, :description, :byline, :nda_required, :randd_maturities_list,
        #Package
        bips_attributes:            [:id, :status, :classification, :identifier, :conditions, :title, :_destroy,
          tenor_attributes:           [:id, :express_interest, :commencement, :expiry, :enduring, :repeat, :frequency, :_destroy]

        ],


       )
    end

, .

, , whitelisted . :

 @proposal.id
15

​​ Package:: bips, , :

params.inspect
"<ActionController::Parameters {\"controller\"=>\"package/bips\", \"action\"=>\"index\", \"proposal_id\"=>\"15\"} permitted: false>"

: false .

.

+4
1

: https://rubyplus.com/articles/3901-Polymorphic-Association-in-Rails-5

, , load_commentable, . , , .

, , , . .

+1

Source: https://habr.com/ru/post/1660357/

More articles:


All Articles