Merge pull request #20 from antoniskalou/master

Handle missing page numbers in PDF
dunyakirkali · Mar 15, 2020 · a588eff · a588eff
2 parents 0d55f4a + bce7f1c
commit a588eff
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/format_parser/document.ex b/lib/format_parser/document.ex
@@ -44,7 +44,12 @@ defmodule FormatParser.Document do
   end
 
   defp parse_pdf(<<x :: binary>>) do
-    page_count = Regex.run(~r/<<\/Linearized.+\/N\s([0-9]+)/, x) |> List.last |> String.to_integer
+    page_count =
+      case Regex.run(~r/<<\/Linearized.+\/N\s([0-9]+)/, x) do
+        nil -> 0
+        match -> match |> List.last() |> String.to_integer()
+      end
+
     %Document{format: :pdf, intrinsics: %{page_count: page_count}}
   end
 end