Calls Mailer

calls_controller.rb

# GET /calls
  # GET /calls.json
  def index
    @calls = Call.order('time DESC').where(:destination => ["123", "456", "789"]).page(params[:page]).per_page(25)
    @calls_today = Call.where("created_at >= ?", Time.now.beginning_of_day)

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @calls }
    end
  end

calls_email.html.erb

<%= Call.first.time.strftime("%d %b. %Y -  %H:%M") %>

<% @calls_today.each do |call| %>
  <%= call.time %>
<% end %>

Error

Call Load (0.3ms)  SELECT `calls`.* FROM `calls` LIMIT 1
ActionView::Template::Error: undefined method `each' for nil:NilClass

user_mailer.rb

def calls_email(call)
  @call = call
  mail to: "[email protected]", subject: "Out of Hour Calls"
end