New: Allow Season packs to be grabbed automatically if all episodes will have aired within 24 hours

Closes #5191

src/NzbDrone.Core.Test/DecisionEngineTests/FullSeasonSpecificationFixture.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using FizzWare.NBuilder;
@@ -57,6 +57,14 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
             Subject.IsSatisfiedBy(_remoteEpisode, null).Accepted.Should().BeTrue();
         }
 
+        [Test]
+        public void should_return_true_if_all_episodes_will_have_aired_in_the_next_24_hours()
+        {
+            _remoteEpisode.Episodes.Last().AirDateUtc = DateTime.UtcNow.AddHours(23);
+
+            Subject.IsSatisfiedBy(_remoteEpisode, null).Accepted.Should().BeTrue();
+        }
+
         [Test]
         public void should_return_false_if_one_episode_has_not_aired()
         {

src/NzbDrone.Core/DecisionEngine/Specifications/FullSeasonSpecification.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using NLog;
 using NzbDrone.Common.Extensions;
@@ -25,7 +25,7 @@ namespace NzbDrone.Core.DecisionEngine.Specifications
             {
                 _logger.Debug("Checking if all episodes in full season release have aired. {0}", subject.Release.Title);
 
-                if (subject.Episodes.Any(e => !e.AirDateUtc.HasValue || e.AirDateUtc.Value.After(DateTime.UtcNow)))
+                if (subject.Episodes.Any(e => !e.AirDateUtc.HasValue || e.AirDateUtc.Value.After(DateTime.UtcNow.AddHours(24))))
                 {
                     _logger.Debug("Full season release {0} rejected. All episodes haven't aired yet.", subject.Release.Title);
                     return Decision.Reject("Full season release rejected. All episodes haven't aired yet.");