CODEWITHSUNDEEP
ruby-on-railspartial-views
Kadismile
Kadismile

Reputation: 208

how to render this partial in rails

i am trying to render this partial of the association belongs_to and has_many i.e

my model is as thus

activity Model

class Activity < ActiveRecord::Base
    has_many :talks
end

talk model 

class Talk < ActiveRecord::Base
    belongs :activity
end

in my talk controller i have 

@activities = Activity.where(user_id: [current_user.friend_ids, current_user])
@talks = Talk.find(:all, :order => "created_at DESC")

and in view i have 

<% activity.talks.each do |c| %>

        <div class="media">
          <a class="pull-left" href="#">
            <%=  image_tag(c.user.image.url(:tiny),:style=> "width: 100%;")%>
          </a>
          <div class="media-body">
            <strong><%= c.user.username %></strong> <%= c.details %><br>
            <small><span class="muted"><%="#{time_ago_in_words(c.created_at)} ago "%></span></small>
          </div>
        </div>


       <% end %>

this displays all the talk for each activity

how do i create a partial of <% activity.talks.each do |c| %>

Upvotes: 0

Views: 73

Answers (1)

Feech
Feech

Reputation: 4102

Create a partial in

app/views/talks/_talk.html.erb

and call

<%= render activity.talks %>

This will render one _talk.html.erb partial for each talk in the activity.talks collection, which will have access to a talk variable.

Furthermore, you can optimize the code by preventing N + 1 queries. In your controller,

@activities = Activity.includes(:talks).where(user_id: [current_user.friend_ids, current_user])

Notice the includes(:talks). Read more about eager loading in the docs linked above.

Upvotes: 1

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