StackOverflow Dashing widget

README.md

StackOverflow Dashing widget

Enabling you to track questions on StackOverflow with specific tags and the number of answers for each question.

Sample HTML to put in your .erb file:

    <li data-row="1" data-col="2" data-sizex="4" data-sizey="2" onclick="location.href='http://stackoverflow.com/questions/tagged/emc';">
      <div data-id="so_questions" data-view="List" data-unordered="true" data-title="StackOverflow Questions" style="background-color: #e67e22" data-moreinfo="# of answers"></div>
      <i class="icon-stackexchange icon-background"></i>
    </li>

stackoverflow_questions.rb

#!/usr/bin/env ruby
require 'net/http'
require 'openssl'
require 'json'

# Created by Jonas Rosland, https://github.com/virtualswede, https://twitter.com/virtualswede
# Template used from https://github.com/foobugs/foobugs-dashboard/blob/master/jobs/github_user_repos.rb

# This job tracks questions with a specific tag on StackOverflow and
# the answer count on them by using the public StackOverflow API
#
# This job should use the `List` widget

# Config
# ------
so_host = ENV['STACKOVERFLOW_HOST'] || 'api.stackexchange.com'
so_tag = ENV['STACKOVERFLOW_TAG'] || 'emc'
# number of questions to display in the list
max_length = 20
# order the list by the numbers
ordered = true

SCHEDULER.every '60m', :first_in => 0 do |job|
  uri = URI("https://api.stackexchange.com/2.2/questions?order=desc&sort=activity&tagged=#{so_tag}&site=stackoverflow")
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE # disable ssl certificate check
  response = http.get(uri.request_uri)

  data = JSON.parse(response.body, :symbolize_names => true)

  if response.code != "200"
    puts "stackoverflow api error (status-code: #{response.code})\n#{response.body}"
  else
    so_questions = Array.new

    data[:items].each do |question|
      so_questions.push({
        label: question[:title],
        value: question[:answer_count]
      })
    end

    if ordered
      so_questions = so_questions.sort_by { |obj| -obj[:value] }
    end

    send_event('so_questions', { items: so_questions.slice(0, max_length) })

  end # if

end # SCHEDULER