Problematic code

index.html.erb

<table>
  <tr>
    <th>Subject</th>
    <th>Created At</th>
    <th>Status</th>
  </tr>

  <% @tickets.each do |ticket| %>
    <tr>
      <td><a href="/ticket/<%= ticket.id %>"><%= ticket.subject %></a></td>
      <td><%= parse_time(ticket.created_at) %></td>
      <td><%= ticket.status %></td>
    </tr>
  <% end %>
</table>

ticket.rb

require 'zendesk_api'
require 'json'

class Ticket
  attr_accessor :id,
                :subject,
                :description,
                :requester_id,
                :assignee_id,
                :created_at,
                :updated_at,
                :status

  PAGE_LIMIT = 25
  ZENDESK_RESPONSE = 100

  def initialize(id, subject, description, requester_id, assignee_id, created_at, updated_at, status)
    @id = id
    @subject = subject
    @description = description
    @requester_id = requester_id
    @assignee_id = assignee_id
    @created_at = created_at
    @updated_at = updated_at
    @status = status
  end

  def self.ticket_list
    api = ZendeskApi.new
    tickets = JSON.parse(api.get(ZendeskApi::BASE_URL + 'tickets.json?sort_by=id&sort_order=desc').body)
    tickets['tickets'].each do |ticket|
      [ticket['id'], ticket['subject'], ticket['description'], ticket['requester_id'],
       ticket['assignee_id'], ticket['created_at'], ticket['updated_at'], ticket['status']]
    end
    tickets
   end

  def self.single_ticket(id)
    api = ZendeskApi.new
    ticket = JSON.parse(api.get(ZendeskApi::BASE_URL + "tickets/#{id}.json").body)
    [ticket['id']]
  end
end

tickets_controller.rb

require 'ticket'

class TicketsController < ApplicationController
  rescue_from HTTParty::Error, with: :error

  def index
    @tickets = Ticket.ticket_list
  end

  def show
    @ticket = Ticket.single_ticket(params[:id])
  end

  def error
    render :error
  end
end