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Billy Logan
Billy Logan

Reputation: 2520

How to render different collections at the same place?

Suppose, I have a model called Animal. This model contains enum attribute kind with two possible states.

class Animal < ActiveRecord::Base
  enum kind: [ :cat, :dog ]
end

Then in my controller I create corresponding instance variables collections.

class AnimalsController < ApplicationController
  def index
    @cats = Animal.cat
    @dogs = Animal.dog
  end
end

In my view I got two links and two collections.

<h1>Animals</h1>

<b><%= link_to 'List Cats' %></b>
<b><%= link_to 'List Dogs' %></b>

<%= render partial: 'animals/cat', collection: @cats, as: :cat %>
<%= render partial: 'animals/dog', collection: @dogs, as: :dog %>

What is the prefered way of displaying first collection instead of second or second one instead of the first in the same place depending on clicked link? How to do that?

Upvotes: 0

Views: 43

Answers (1)

chaitanya
chaitanya

Reputation: 1984

You can write following code to switch between different lists

<%= link_to "List Cats", animals_path(:cat => true) if params[:dog] %>
<%= link_to "List Dogs", animals_path(:dog => true) if params[:cat] %>

<div id="list">
 <% if params[:cat] == true %>
  <%= render partial: 'animals/cat', collection: @cats, as: :cat  %>
 <% elsif params[:dog] == true  %>
  <%= render partial: 'animals/dog', collection: @dogs, as: :dog  %>
 <% end %>
</div>

Upvotes: 1

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