fix: Allow quality group names to duplicate quality names.

Fixes #200

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Better error message to console when no configuration files are found.
+- Allow quality group names to duplicate quality names (#200).
 
 ## [5.2.0] - 2023-08-06
 

src/Recyclarr.TrashLib/Config/Parsing/ConfigYamlDataObjectsValidation.cs

@@ -110,12 +110,6 @@ public class QualityProfileConfigYamlValidator : AbstractValidator<QualityProfil
             .When(x => x is {Qualities.Count: > 0});
 
         RuleFor(x => x.Qualities)
-            .Must((o, x) => !x!
-                .Where(y => y.Qualities is not null)
-                .SelectMany(y => y.Qualities!)
-                .Contains(o.Upgrade!.UntilQuality, StringComparer.InvariantCultureIgnoreCase))
-            .WithMessage(o =>
-                $"For profile {o.Name}, 'until_quality' must not refer to qualities contained within groups")
             .Must((o, x) => !x!
                 .Where(y => y is {Enabled: false, Name: not null})
                 .Select(y => y.Name!)
@@ -135,20 +129,36 @@ public class QualityProfileConfigYamlValidator : AbstractValidator<QualityProfil
         IReadOnlyCollection<QualityProfileQualityConfigYaml> qualities,
         ValidationContext<QualityProfileConfigYaml> context)
     {
-        var dupes = qualities
+        // Check for quality duplicates between non-groups and groups
+        var qualityDupes = qualities
+            .Where(x => x.Qualities is null)
             .Select(x => x.Name)
             .Concat(qualities.Where(x => x.Qualities is not null).SelectMany(x => x.Qualities!))
-            .NotNull()
             .GroupBy(x => x)
             .Select(x => x.Skip(1).FirstOrDefault())
             .NotNull();
 
-        foreach (var dupe in dupes)
+        foreach (var dupe in qualityDupes)
         {
             var x = context.InstanceToValidate;
             context.AddFailure(
                 $"For profile {x.Name}, 'qualities' contains duplicates for quality '{dupe}'");
         }
+
+        // Check for quality duplicates between non-groups and groups
+        var groupDupes = qualities
+            .Where(x => x.Qualities is not null)
+            .Select(x => x.Name)
+            .GroupBy(x => x)
+            .Select(x => x.Skip(1).FirstOrDefault())
+            .NotNull();
+
+        foreach (var dupe in groupDupes)
+        {
+            var x = context.InstanceToValidate;
+            context.AddFailure(
+                $"For profile {x.Name}, 'qualities' contains duplicates for quality group '{dupe}'");
+        }
     }
 }
 

src/tests/Recyclarr.TrashLib.Tests/Config/Parsing/ConfigYamlDataObjectsValidationTest.cs

@@ -83,36 +83,6 @@ public class ConfigYamlDataObjectsValidationTest
             $"which is '{data.Upgrade!.UntilQuality}'");
     }
 
-    [Test]
-    public void Quality_profile_cutoff_must_not_reference_child_qualities()
-    {
-        var data = new QualityProfileConfigYaml
-        {
-            Name = "My QP",
-            Upgrade = new QualityProfileFormatUpgradeYaml
-            {
-                Allowed = true,
-                UntilQuality = "Child Quality"
-            },
-            Qualities = new[]
-            {
-                new QualityProfileQualityConfigYaml
-                {
-                    Name = "Parent Group",
-                    Qualities = new[] {"Child Quality"}
-                }
-            }
-        };
-
-        var validator = new QualityProfileConfigYamlValidator();
-        var result = validator.TestValidate(data);
-
-        result.ShouldHaveValidationErrorFor(x => x.Qualities);
-
-        result.Errors.Select(x => x.ErrorMessage).Should().BeEquivalentTo(
-            $"For profile {data.Name}, 'until_quality' must not refer to qualities contained within groups");
-    }
-
     [Test]
     public void Quality_profile_qualities_must_have_no_duplicates()
     {
@@ -125,13 +95,21 @@ public class ConfigYamlDataObjectsValidationTest
                 new QualityProfileQualityConfigYaml {Name = "Dupe Quality"},
                 new QualityProfileQualityConfigYaml {Name = "Dupe Quality"},
                 new QualityProfileQualityConfigYaml {Name = "Dupe Quality 2"},
-                new QualityProfileQualityConfigYaml {Name = "Dupe Quality 2"},
                 new QualityProfileQualityConfigYaml {Name = "Dupe Quality 3"},
-                new QualityProfileQualityConfigYaml {Name = "Dupe Quality 4"},
                 new QualityProfileQualityConfigYaml
                 {
-                    Name = "Dupe Quality 3",
+                    Name = "Dupe Quality 2",
-                    Qualities = new[] {"Dupe Quality 4"}
+                    Qualities = new[] {"Dupe Quality 3"}
+                },
+                new QualityProfileQualityConfigYaml
+                {
+                    Name = "Dupe Quality 4",
+                    Qualities = new[] {"Dupe Quality 5"}
+                },
+                new QualityProfileQualityConfigYaml
+                {
+                    Name = "Dupe Quality 4",
+                    Qualities = new[] {"Dupe Quality 5"}
                 }
             }
         };
@@ -143,9 +121,9 @@ public class ConfigYamlDataObjectsValidationTest
 
         result.Errors.Select(x => x.ErrorMessage).Should().BeEquivalentTo(
             $"For profile {data.Name}, 'qualities' contains duplicates for quality 'Dupe Quality'",
-            $"For profile {data.Name}, 'qualities' contains duplicates for quality 'Dupe Quality 2'",
             $"For profile {data.Name}, 'qualities' contains duplicates for quality 'Dupe Quality 3'",
-            $"For profile {data.Name}, 'qualities' contains duplicates for quality 'Dupe Quality 4'");
+            $"For profile {data.Name}, 'qualities' contains duplicates for quality group 'Dupe Quality 4'",
+            $"For profile {data.Name}, 'qualities' contains duplicates for quality 'Dupe Quality 5'");
     }
 
     [Test]