Merge pull request huginn#2114 from HyShai/itunes-image

add itunes podcast icon

app/models/agents/data_output_agent.rb

@@ -163,6 +163,12 @@ def feed_icon
       interpolated['template']['icon'].presence || feed_link + '/favicon.ico'
     end
 
+    def itunes_icon
+      if(boolify(interpolated['ns_itunes']))
+        "<itunes:image href=#{feed_icon.encode(xml: :attr)} />"
+      end  
+    end
+
     def feed_description
       interpolated['template']['description'].presence || "A feed of Events received by the '#{name}' Huginn Agent"
     end
@@ -295,6 +301,7 @@ def receive_web_request(params, method, format)
 <channel>
  <atom:link href=#{feed_url(secret: params['secret'], format: :xml).encode(xml: :attr)} rel="self" type="application/rss+xml" />
  <atom:icon>#{feed_icon.encode(xml: :text)}</atom:icon>
+ #{itunes_icon}
 #{hub_links}
  <title>#{feed_title.encode(xml: :text)}</title>
  <description>#{feed_description.encode(xml: :text)}</description>

spec/models/agents/data_output_agent_spec.rb

@@ -466,10 +466,11 @@
           content, status, content_type = agent.receive_web_request({ 'secret' => 'secret1' }, 'get', 'text/xml')
           expect(status).to eq(200)
           expect(content_type).to eq('application/rss+xml')
-
+          
           doc = Nokogiri(content)
           namespaces = doc.collect_namespaces
           expect(namespaces).not_to include("xmlns:itunes")
+          expect(doc.at("/rss/channel/*[local-name()='itunes:image']")).to be_nil
         end
       end
 
@@ -484,12 +485,13 @@
           content, status, content_type = agent.receive_web_request({ 'secret' => 'secret1' }, 'get', 'text/xml')
           expect(status).to eq(200)
           expect(content_type).to eq('application/rss+xml')
-
+          
           doc = Nokogiri(content)
           namespaces = doc.collect_namespaces
           expect(namespaces).to include(
             "xmlns:itunes" => 'http://www.itunes.com/dtds/podcast-1.0.dtd'
           )
+          expect(doc.at('/rss/channel/itunes:image').attr('href')).to eq('https://yoursite.com/favicon.ico')          
         end
       end