will claimed paper

src/teaching/cse-7xx/2019sp.erb

@@ -72,6 +72,9 @@ schedule:
   - date: Feb 6
     event: Class Canceled due to Snow
   - date: Feb 13
+    speakers:
+      - name: William Spoth
+        title: Fusing data with correlations
   - date: Feb 20
   - date: Feb 27
   - date: Mar 6
@@ -111,6 +114,11 @@ The course is graded Sat/Unsat.  For a satisfactory grade:
 <h2>Schedule</h2>
 
 <table style="padding-left: 30px;">
+<%
+  papers_by_title = papers.map { |paper| [paper["title"], paper] }.to_h
+  claimed_papers = schedule.map { |event| event.fetch("speakers", []).map { |speaker| [speaker["title"], speaker["name"]] } }.flatten(2).to_h
+%>
+
 <% schedule.each do |event| %>
   <tr>
     <th style="text-align: right; padding-right: 30px;"><%= event["date"] %></th>
@@ -118,7 +126,7 @@ The course is graded Sat/Unsat.  For a satisfactory grade:
       <b><%= event["event"] %></b>
     <% elsif event.has_key? "speakers" %>
       <ul><% event["speakers"].each do |speaker| %>
-        <li><%= speaker["name"] %> presents <a href="<%= speaker["url"]%>"><%= speaker["title"] %></a><br/></li>
+        <li><%= speaker["name"] %> presents '<a href="<%= speaker.fetch("url") { papers_by_title[speaker["title"]] } %>"><%= speaker["paper"] %></a>'</li>
       <% end %></ul>
     <% else %>
       No One Signed Up (yet)
@@ -133,7 +141,13 @@ The course is graded Sat/Unsat.  For a satisfactory grade:
 <% papers.sort_by { |paper| paper["title"] }
          .map { |paper| paper.merge({ "url" => paper["url"].gsub(/:\/\/dl\.acm\.org/, "://dl-acm-org.gate.lib.buffalo.edu") }) }
          .each.with_index do |paper, idx| %>
-  <dt style="margin-top: 30px;"><b><%= idx+1 %>.</b> <a href="<%= paper["url"]%>"><%= paper["title"] %></a></dt>
+  <dt style="margin-top: 30px;"><b><%= idx+1 %>.</b> 
+    <% if claimed_papers.has_key? paper["title"] %>
+      <span style="text-decoration: line-through; "><a href="<%= paper["url"]%>"><%= paper["title"] %></a></span> (claimed by <%=claimed_papers[paper["title"]] %>
+    <% else %>
+      <a href="<%= paper["url"]%>"><%= paper["title"] %></a>
+    <% end %>
+  </dt>
   <dd style="max-width: 600px; padding-left: 30px;"><p><%= paper.fetch("abstract", "[Abstract Missing]").gsub(/\n+/, "</p><p>") %></p></dd>
 <% end %>
 </dl>