append data to an array rails 4

Question

I need to append data to a variable

@celebrity = Celebrity.includes(:category).where('category_id = ?', params[:id])
test =[]
@celebrity.each do |celeb|
  @vote = Vote.where('celebrity_id = ?', celeb).count
  test  << {vote_count:@vote}
end

when i debug 'test',

abort test.inspect

I am getting the result of

[{:vote_count=>2}, {:vote_count=>1}, {:vote_count=>0}]

but, my question is how can I append vote_count to @celebrity , can anyone please help me out

'<Celebrity id: 7, name: "Di Caprio", gender: false, category_id: "1", , image_file_name: "422817.jpg", image_content_type: "image/jpeg", image_file_size: 132673, image_updated_at: "2015-07-20 08:20:53",vote_count=>2>]' This is what i am expecting — Saravana
– Saravana, Commented Sep 2, 2015 at 9:03

apneadiving · Accepted Answer · 2015-09-02 09:00:21Z

2

You should not do it this way, its terrible in terms of performance.

If you setup a counter_cache properly (see ref), you'd have data right away in your model instances as expected

answered Sep 2, 2015 at 9:00

apneadiving

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Tim Kretschmer · Accepted Answer · 2015-09-02 09:01:31Z

0

@celebrity.each do |celeb|
  celeb["vote_count"] = celeb.votes.count
end

+apneadiving is right. use counter_caches

answered Sep 2, 2015 at 9:01

Tim Kretschmer

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3 Comments

Tim Kretschmer Over a year ago

wow... just do this and youre fine yerb.net/blog/2014/03/13/…

Saravana Over a year ago

after adding "votes_count" attribute to my table its fixed, but in voting action I can't able to vote for a celebrity, getting this error 'missing attribute: votes_count'.My code: 'celebrity = Celebrity.find(params[:id]) vote = Vote.build(celebrity_id: celebrity.id, :id => params[:vote]) respond_to do |format| if vote.save format.html { redirect_to ranking_url } format.json { render json: vote, status: :created } else format.html { render action: 'new' } format.json { render json: vote.errors,status::unprocessable_entity} end end'

Tim Kretschmer Over a year ago

Pastebin Or pastie.org

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