Add ATOM feed

Author: cbeer

app/controllers/jobs_controller.rb

@@ -9,6 +9,7 @@ def index
     respond_to do |format|
       format.html
       format.json
+      format.atom
     end
   end
 

app/views/jobs/index.atom.builder

@@ -0,0 +1,43 @@
+xml.instruct!(:xml, :encoding => "UTF-8")
+
+xml.feed("xmlns" => "http://www.w3.org/2005/Atom") do
+
+  xml.title   'code4lib jobs'
+  # an author is required, so we'll just use the app name
+  xml.author { xml.name 'code4lib jobs' }
+  
+  xml.link    "rel" => "self", "href" => jobs_url(page: @jobs.current_page)
+  xml.id      jobs_url(page: @jobs.current_page)
+
+  # Navigational and context links
+  
+  xml.link( "rel" => "next", 
+            "href" => jobs_url(page: @jobs.next_page)
+           ) unless @jobs.last_page?
+  
+  xml.link( "rel" => "previous", 
+            "href" => jobs_url(page: @jobs.prev_page)
+           ) unless @jobs.first_page?
+           
+  xml.link( "rel" => "first", 
+            "href" => jobs_url(page: 1))
+  
+  xml.link( "rel" => "last",
+            "href" => jobs_url(page: @jobs.total_pages))
+
+  xml.updated @jobs.first.published_at.iso8601
+  
+  @jobs.each do |job|
+    xml.entry do
+      xml.title job.title
+      xml.updated job.published_at.iso8601
+      xml.link job_url(job)
+      xml.id job_url(job)
+      
+      xml.author { xml.name(job.user&.email) }
+      xml.content type: 'html' do |content_element|
+        content_element.text! render_marked_up_description(job.description, format: job.description_markup)
+      end
+    end
+  end
+end

app/views/jobs/index.html.erb

@@ -1,3 +1,7 @@
+<% content_for(:head) do %>
+  <%= auto_discovery_link_tag :atom, format: :atom %>
+<% end %>
+
 <p id="notice"><%= notice %></p>
 <%= link_to 'New Job', new_job_path, class: 'btn btn-primary float-right' if can? :create, Job %>