Rails multiple format.json

Question

How can I write multiple format.json responses like:

def index 



  @books = Book.all

  @user = @books.map { |u| u.user }.uniq



  respond_to do |format|

    format.html

    format.json { render json: @books }

    format.json { render json: @user }

  end



end

in a better way?

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Answer 1

You cannot use multiple block for same format. If you want to render both books and users try sending them at once:

def index 

  @books = Book.all
  @user = @books.map { |u| u.user }.uniq

  respond_to do |format|
    format.html
    format.json { render json: {books: @books, users: @user} }
  end

end

Rails multiple format.json

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