Class: OembedProxy::Tableau

Inherits:
Object
  • Object
show all
Defined in:
lib/oembed_proxy/tableau.rb

Overview

Tableau Fauxembed

Constant Summary collapse

TABLEAU_REGEX = 
%r{\Ahttps://public\.tableau\.com/(?:profile/[^/]+/vizhome|views)/([^?]+)}.freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.build_div_id(chart_id) ⇒ Object

Make a unique div_id by slapping a random 10-digit number on the end



45
46
47
48
 
# File 'lib/oembed_proxy/tableau.rb', line 45

def self.build_div_id(chart_id)
  chart_slug = chart_id.parameterize
  format('%<slug>s-%<rand>010d', slug: chart_slug, rand: rand(1_000_000_000))
end

Instance Method Details

#get_data(url, _other_params = {}) ⇒ Object

rubocop:disable Metrics/MethodLength



16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/oembed_proxy/tableau.rb', line 16

def get_data(url, _other_params = {}) # rubocop:disable Metrics/MethodLength
  return nil unless handles_url? url

  chart_id = url.match(TABLEAU_REGEX)[1]
  div_id = self.class.build_div_id(chart_id)

  {
    'type' => 'rich',
    'version' => '1.0',
    'provider_name' => 'Tableau',
    'provider_url' => 'https://tableau.com/',
    'width' => 500,
    'height' => 500,
    'html' => <<~HTML,
      <div id="#{div_id}"></div>
      <script type="text/javascript" src="https://public.tableau.com/javascripts/api/tableau-2.min.js"></script>
      <script type="text/javascript">
        (function() {
          var container = document.getElementById('#{div_id}');
          var url = 'https://public.tableau.com/views/#{chart_id}?:embed=y&:display_count=yes';
          var options = {};
          var viz = new tableau.Viz(container, url, options);
        })();
      </script>
    HTML
  }
end

#handles_url?(url) ⇒ Boolean

Returns:

  • (Boolean) 


12
13
14
 
# File 'lib/oembed_proxy/tableau.rb', line 12

def handles_url?(url)
  !TABLEAU_REGEX.match(url).nil?
end