From 4783803b6b64edf8c0394413930143a599943dc5 Mon Sep 17 00:00:00 2001
From: Taloth Saldono <Taloth@users.noreply.github.com>
Date: Wed, 15 Jun 2016 20:58:42 +0200
Subject: [PATCH] New: Part One/Two/Three/.. parser support for mini series.

---
 .../ParserTests/SingleEpisodeParserFixture.cs |  1 +
 src/NzbDrone.Core/Parser/Parser.cs            | 29 +++++++++++++++++--
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Core.Test/ParserTests/SingleEpisodeParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/SingleEpisodeParserFixture.cs
index ada174309..83db4a5e1 100644
--- a/src/NzbDrone.Core.Test/ParserTests/SingleEpisodeParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/SingleEpisodeParserFixture.cs
@@ -121,6 +121,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Judge Judy 2016 02 25 S20E142", "Judge Judy", 20, 142)]
         [TestCase("Judge Judy 2016 02 25 S20E143", "Judge Judy", 20, 143)]
         [TestCase("Red Dwarf - S02 - E06 - Parallel Universe", "Red Dwarf", 2, 6)]
+        [TestCase("O.J.Simpson.Made.in.America.Part.Two.720p.HDTV.x264-2HD", "O J Simpson Made in America", 1, 2)]
         //[TestCase("", "", 0, 0)]
         public void should_parse_single_episode(string postTitle, string title, int seasonNumber, int episodeNumber)
         {
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index a5ffa86cb..9ad8be7a6 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -82,6 +82,10 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^(?<title>.+?)(?:\W+(?:(?:Part\W?|(?<!\d+\W+)e)(?<episode>\d{1,2}(?!\d+)))+)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+                //Mini-Series, treated as season 1, episodes are labelled as Part One/Two/Three/...Nine, Part.One, Part_One
+                new Regex(@"^(?<title>.+?)(?:\W+(?:Part[-._ ](?<episode>One|Two|Three|Four|Five|Six|Seven|Eight|Nine)(?>[-._ ])))",
+                          RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
                 //Mini-Series, treated as season 1, episodes are labelled as XofY
                 new Regex(@"^(?<title>.+?)(?:\W+(?:(?<episode>(?<!\d+)\d{1,2}(?!\d+))of\d+)+)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
@@ -250,6 +254,8 @@ namespace NzbDrone.Core.Parser
 
         private static readonly Regex RequestInfoRegex = new Regex(@"\[.+?\]", RegexOptions.Compiled);
 
+        private static readonly string[] Numbers = new[] { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine" };
+
         public static ParsedEpisodeInfo ParsePath(string path)
         {
             var fileInfo = new FileInfo(path);
@@ -628,8 +634,8 @@ namespace NzbDrone.Core.Parser
                     //Allows use to return a list of 0 episodes (We can handle that as a full season release)
                     if (episodeCaptures.Any())
                     {
-                        var first = Convert.ToInt32(episodeCaptures.First().Value);
-                        var last = Convert.ToInt32(episodeCaptures.Last().Value);
+                        var first = ParseNumber(episodeCaptures.First().Value);
+                        var last = ParseNumber(episodeCaptures.Last().Value);
 
                         if (first > last)
                         {
@@ -774,5 +780,24 @@ namespace NzbDrone.Core.Parser
 
             return string.Empty;
         }
+
+        private static int ParseNumber(string value)
+        {
+            int number;
+
+            if (int.TryParse(value, out number))
+            {
+                return number;
+            }
+
+            number = Array.IndexOf(Numbers, value.ToLower());
+
+            if (number != -1)
+            {
+                return number;
+            }
+
+            throw new FormatException(string.Format("{0} isn't a number", value));
+        }
     }
 }