Add decimal odds

BritishHorseRacingApi.Tests/DataConverterHelperTests.cs

@@ -63,5 +63,19 @@ namespace BritishHorseRacingApi.Tests
             //Assert
             Assert.Equal(expectedResult, result);
         }
+
+        [Theory()]
+        [InlineData("3/5",1.6)]
+        [InlineData("", null)]
+        [InlineData(" ", null)]
+        [InlineData(null, null)]
+        public void TestFractionOddsToDecimal(string value, double? expectedResult)
+        {
+            //Arrange
+            //Act
+            var result = DataConverterHelper.FractionOddsToDecimal(value);
+            //Assert
+            Assert.Equal(expectedResult, result);
+        }
     }
 }

BritishHorseRacingApi/Helpers/DataConverterHelper.cs

@@ -67,5 +67,19 @@ namespace BritishHorseRacingApi.Helpers
             var lossDifference = GetComponent(match, "lossDifference", 0d);
             return (int)TimeSpan.FromSeconds(lossDifference).TotalMilliseconds;
         }
+        private static Regex _ratioRegex = new Regex("(?'Numerator'[0-9]*)/(?'Denominator'[0-9]*)", RegexOptions.Compiled);
+        public static decimal? FractionOddsToDecimal(string fraction)
+        {
+            if (String.IsNullOrWhiteSpace(fraction))
+                return null;
+
+            var match = _ratioRegex.Match(fraction);
+            if (match.Groups.Count != 2)
+                return null;
+
+            var numerator = Decimal.Parse(match.Groups["Numerator"].Value);
+            var denominator = Decimal.Parse(match.Groups["Denominator"].Value);
+            return (numerator / denominator) + 1;
+        }
     }
 }

BritishHorseRacingApi/Models/Runner.cs

@@ -1,4 +1,5 @@
-using Newtonsoft.Json;
+using BritishHorseRacingApi.Helpers;
+using Newtonsoft.Json;
 
 namespace BritishHorseRacingApi.Models
 {
@@ -135,5 +136,7 @@ namespace BritishHorseRacingApi.Models
 
         [JsonProperty("lastRuns")]
         public LastRun[] LastRuns { get; set; }
+
+        public decimal? DecimalOdds() => DataConverterHelper.FractionOddsToDecimal(Odds);
     }
 }

BritishHorseRacingApi/Models/RunnerResult.cs

@@ -44,6 +44,7 @@ namespace BritishHorseRacingApi.Models
         public string RatingChase { get; set; }
         public string RatingHurdle { get; set; }
         public string RaceCriteriaRaceType { get; set; }
+        public string ResultFinishDNF { get; set; }
         public int Hro { get; set; }
         public string FinishTime { get; set; }
         public int? FinishTimeInMilliseconds() => DataConverterHelper.StopWatchStringToMilliseconds(FinishTime);