Avoid nil error when heatmap does not find the corresponding sequence

ngiger · Sep 13, 2017 · eef85e7 · eef85e7
1 parent 9b71f6c
commit eef85e7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/view/drugs/patinfo.rb b/src/view/drugs/patinfo.rb
@@ -145,6 +145,7 @@ def heatmap(model, session)
     link = HtmlGrid::Link.new(:heatmap, model, session, self)
     link.set_attribute('title', @lookandfeel.lookup(:heatmap))
     seq = model.sequences.first
+    return nil unless seq
     link.href = @lookandfeel._event_url(:show, [
       :patinfo, seq.iksnr, seq.seqnr, seq.packages.values.first.ikscd])
     link.onclick = <<-EOS