Fixed: (Cardigann) Switch to DateTime standard

src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannBase.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Net;
 using System.Text;
@@ -613,14 +614,22 @@ namespace NzbDrone.Core.Indexers.Cardigann
                     case "timeparse":
                     case "dateparse":
                         var layout = (string)filter.Args;
-                        try
+
+                        if (layout.Contains("yy") && DateTime.TryParseExact(data, layout, CultureInfo.InvariantCulture, DateTimeStyles.None, out var parsedDate))
                         {
-                            var date = DateTimeUtil.ParseDateTimeGoLang(data, layout);
-                            data = date.ToString(DateTimeUtil.Rfc1123ZPattern);
+                            data = parsedDate.ToString(DateTimeUtil.Rfc1123ZPattern);
                         }
-                        catch (InvalidDateException ex)
+                        else
                         {
-                            _logger.Debug(ex.Message);
+                            try
+                            {
+                                var date = DateTimeUtil.ParseDateTimeGoLang(data, layout);
+                                data = date.ToString(DateTimeUtil.Rfc1123ZPattern);
+                            }
+                            catch (InvalidDateException ex)
+                            {
+                                _logger.Debug(ex.Message);
+                            }
                         }
 
                         break;
@@ -657,15 +666,7 @@ namespace NzbDrone.Core.Indexers.Cardigann
                         break;
                     case "trim":
                         var cutset = (string)filter.Args;
-                        if (cutset != null)
-                        {
-                            data = data.Trim(cutset[0]);
-                        }
-                        else
-                        {
-                            data = data.Trim();
-                        }
-
+                        data = cutset != null ? data.Trim(cutset[0]) : data.Trim();
                         break;
                     case "prepend":
                         var prependstr = (string)filter.Args;

src/NzbDrone.Core/Indexers/Definitions/Cardigann/CardigannParser.cs

@@ -72,6 +72,7 @@ namespace NzbDrone.Core.Indexers.Cardigann
                 }
 
                 var parsedJson = JToken.Parse(results);
+
                 if (parsedJson == null)
                 {
                     throw new IndexerException(indexerResponse, "Error Parsing Json Response");
@@ -80,12 +81,10 @@ namespace NzbDrone.Core.Indexers.Cardigann
                 if (search.Rows.Count != null)
                 {
                     var countVal = HandleJsonSelector(search.Rows.Count, parsedJson, variables);
-                    if (int.TryParse(countVal, out var count))
+
+                    if (int.TryParse(countVal, out var count) && count < 1)
                     {
-                        if (count < 1)
-                        {
-                            return releases;
-                        }
+                        return releases;
                     }
                 }
 

src/NzbDrone.Core/Parser/DateTimeUtil.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Globalization;
+using System.Linq;
 using System.Text.RegularExpressions;
 
 namespace NzbDrone.Core.Parser
@@ -120,6 +121,13 @@ namespace NzbDrone.Core.Parser
             try
             {
                 str = str.Trim();
+
+                // try parsing the str as an unix timestamp
+                if (str.All(char.IsDigit) && long.TryParse(str, out var unixTimeStamp))
+                {
+                    return UnixTimestampToDateTime(unixTimeStamp);
+                }
+
                 if (str.ToLower().Contains("now"))
                 {
                     return DateTime.UtcNow;
@@ -212,14 +220,6 @@ namespace NzbDrone.Core.Parser
                     return dt;
                 }
 
-                // try parsing the str as an unix timestamp
-                if (long.TryParse(str, out var unixTimeStamp))
-                {
-                    return UnixTimestampToDateTime(unixTimeStamp);
-                }
-
-                // it wasn't a timestamp, continue....
-
                 // add missing year
                 match = _MissingYearRegexp.Match(str);
                 if (match.Success)
@@ -312,7 +312,7 @@ namespace NzbDrone.Core.Parser
             }
             catch (FormatException ex)
             {
-                throw new InvalidDateException($"Error while parsing DateTime \"{date}\", using layout \"{layout}\" ({pattern}): {ex.Message}");
+                throw new InvalidDateException($"Error while parsing DateTime \"{date}\", using layout \"{layout}\" ({pattern}): {ex.Message}", ex);
             }
         }