Fixed: Migrate to FluentValidation 9

src/NzbDrone.Common/Extensions/UrlExtensions.cs

@@ -16,18 +16,7 @@ namespace NzbDrone.Common.Extensions
                 return false;
             }
 
-            Uri uri;
-            if (!Uri.TryCreate(path, UriKind.Absolute, out uri))
-            {
-                return false;
-            }
-
-            if (!uri.IsWellFormedOriginalString())
-            {
-                return false;
-            }
-
-            return true;
+            return Uri.TryCreate(path, UriKind.Absolute, out var uri) && uri.IsWellFormedOriginalString();
         }
     }
 }

src/NzbDrone.Core/Download/Clients/rTorrent/RTorrentDirectoryValidator.cs

@@ -16,12 +16,12 @@ namespace NzbDrone.Core.Download.Clients.rTorrent
         public RTorrentDirectoryValidator(PathExistsValidator pathExistsValidator,
                                           MappedNetworkDriveValidator mappedNetworkDriveValidator)
         {
-            RuleFor(c => c.Directory).Cascade(CascadeMode.StopOnFirstFailure)
-                                       .IsValidPath()
-                                       .SetValidator(mappedNetworkDriveValidator)
-                                       .SetValidator(pathExistsValidator)
-                                       .When(c => c.Directory.IsNotNullOrWhiteSpace())
-                                       .When(c => c.Host == "localhost" || c.Host == "127.0.0.1");
+            RuleFor(c => c.Directory).Cascade(CascadeMode.Stop)
+                .IsValidPath()
+                .SetValidator(mappedNetworkDriveValidator)
+                .SetValidator(pathExistsValidator)
+                .When(c => c.Directory.IsNotNullOrWhiteSpace())
+                .When(c => c.Host == "localhost" || c.Host == "127.0.0.1");
         }
     }
 }

src/NzbDrone.Core/Prowlarr.Core.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="System.ServiceModel.Syndication" Version="6.0.0" />
     <PackageReference Include="FluentMigrator.Runner.SQLite" Version="3.3.2" />
     <PackageReference Include="FluentMigrator.Runner.Postgres" Version="3.3.2" />
-    <PackageReference Include="FluentValidation" Version="8.6.2" />
+    <PackageReference Include="FluentValidation" Version="9.5.4" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NLog" Version="5.1.0" />
     <PackageReference Include="System.Data.SQLite.Core.Servarr" Version="1.0.115.5-18" />

src/NzbDrone.Core/Validation/FolderChmodValidator.cs

@@ -8,11 +8,12 @@ namespace NzbDrone.Core.Validation
         private readonly IDiskProvider _diskProvider;
 
         public FolderChmodValidator(IDiskProvider diskProvider)
-            : base("Must contain a valid Unix permissions octal")
         {
             _diskProvider = diskProvider;
         }
 
+        protected override string GetDefaultMessageTemplate() => "Must contain a valid Unix permissions octal";
+
         protected override bool IsValid(PropertyValidatorContext context)
         {
             if (context.PropertyValue == null)

src/NzbDrone.Core/Validation/FolderValidator.cs

@@ -5,10 +5,7 @@ namespace NzbDrone.Core.Validation
 {
     public class FolderValidator : PropertyValidator
     {
-        public FolderValidator()
-            : base("Invalid Path")
-        {
-        }
+        protected override string GetDefaultMessageTemplate() => "Invalid Path";
 
         protected override bool IsValid(PropertyValidatorContext context)
         {

src/NzbDrone.Core/Validation/Paths/FileExistsValidator.cs

@@ -8,11 +8,12 @@ namespace NzbDrone.Core.Validation.Paths
         private readonly IDiskProvider _diskProvider;
 
         public FileExistsValidator(IDiskProvider diskProvider)
-            : base("File does not exist")
         {
             _diskProvider = diskProvider;
         }
 
+        protected override string GetDefaultMessageTemplate() => "File does not exist";
+
         protected override bool IsValid(PropertyValidatorContext context)
         {
             if (context.PropertyValue == null)

src/NzbDrone.Core/Validation/Paths/FolderWritableValidator.cs

@@ -9,11 +9,12 @@ namespace NzbDrone.Core.Validation.Paths
         private readonly IDiskProvider _diskProvider;
 
         public FolderWritableValidator(IDiskProvider diskProvider)
-            : base($"Folder is not writable by user {Environment.UserName}")
         {
             _diskProvider = diskProvider;
         }
 
+        protected override string GetDefaultMessageTemplate() => $"Folder is not writable by user {Environment.UserName}";
+
         protected override bool IsValid(PropertyValidatorContext context)
         {
             if (context.PropertyValue == null)

src/NzbDrone.Core/Validation/Paths/MappedNetworkDriveValidator.cs

@@ -14,12 +14,13 @@ namespace NzbDrone.Core.Validation.Paths
         private static readonly Regex DriveRegex = new Regex(@"[a-z]\:\\", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         public MappedNetworkDriveValidator(IRuntimeInfo runtimeInfo, IDiskProvider diskProvider)
-            : base("Mapped Network Drive and Windows Service")
         {
             _runtimeInfo = runtimeInfo;
             _diskProvider = diskProvider;
         }
 
+        protected override string GetDefaultMessageTemplate() => "Mapped Network Drive and Windows Service";
+
         protected override bool IsValid(PropertyValidatorContext context)
         {
             if (context.PropertyValue == null)
@@ -46,12 +47,7 @@ namespace NzbDrone.Core.Validation.Paths
 
             var mount = _diskProvider.GetMount(path);
 
-            if (mount != null && mount.DriveType == DriveType.Network)
-            {
-                return false;
-            }
-
-            return true;
+            return mount is not { DriveType: DriveType.Network };
         }
     }
 }

src/NzbDrone.Core/Validation/Paths/PathExistsValidator.cs

@@ -8,11 +8,12 @@ namespace NzbDrone.Core.Validation.Paths
         private readonly IDiskProvider _diskProvider;
 
         public PathExistsValidator(IDiskProvider diskProvider)
-            : base("Path does not exist")
         {
             _diskProvider = diskProvider;
         }
 
+        protected override string GetDefaultMessageTemplate() => "Path does not exist";
+
         protected override bool IsValid(PropertyValidatorContext context)
         {
             if (context.PropertyValue == null)

src/NzbDrone.Core/Validation/Paths/PathValidator.cs

@@ -14,10 +14,7 @@ namespace NzbDrone.Core.Validation.Paths
 
     public class PathValidator : PropertyValidator
     {
-        public PathValidator()
-            : base("Invalid Path")
-        {
-        }
+        protected override string GetDefaultMessageTemplate() => "Invalid Path";
 
         protected override bool IsValid(PropertyValidatorContext context)
         {

src/NzbDrone.Core/Validation/Paths/StartupFolderValidator.cs

@@ -9,11 +9,12 @@ namespace NzbDrone.Core.Validation.Paths
         private readonly IAppFolderInfo _appFolderInfo;
 
         public StartupFolderValidator(IAppFolderInfo appFolderInfo)
-            : base("Path cannot be an ancestor of the start up folder")
         {
             _appFolderInfo = appFolderInfo;
         }
 
+        protected override string GetDefaultMessageTemplate() => "Path cannot be an ancestor of the start up folder";
+
         protected override bool IsValid(PropertyValidatorContext context)
         {
             if (context.PropertyValue == null)

src/NzbDrone.Core/Validation/Paths/SystemFolderValidator.cs

@@ -6,10 +6,7 @@ namespace NzbDrone.Core.Validation.Paths
 {
     public class SystemFolderValidator : PropertyValidator
     {
-        public SystemFolderValidator()
-            : base("Is {relationship} system folder {systemFolder}")
-        {
-        }
+        protected override string GetDefaultMessageTemplate() => "Is {relationship} system folder {systemFolder}";
 
         protected override bool IsValid(PropertyValidatorContext context)
         {

src/NzbDrone.Core/Validation/UrlValidator.cs

@@ -14,10 +14,7 @@ namespace NzbDrone.Core.Validation
 
     public class UrlValidator : PropertyValidator
     {
-        public UrlValidator()
-            : base("Invalid Url")
-        {
-        }
+        protected override string GetDefaultMessageTemplate() => "Invalid Url";
 
         protected override bool IsValid(PropertyValidatorContext context)
         {

src/NzbDrone.Test.Common/Prowlarr.Test.Common.csproj

@@ -4,7 +4,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="5.10.3" />
-    <PackageReference Include="FluentValidation" Version="8.6.2" />
+    <PackageReference Include="FluentValidation" Version="9.5.4" />
     <PackageReference Include="Moq" Version="4.17.2" />
     <PackageReference Include="NLog" Version="5.1.0" />
     <PackageReference Include="NUnit" Version="3.13.3" />

src/Prowlarr.Api.V1/Config/HostConfigController.cs

@@ -51,7 +51,7 @@ namespace Prowlarr.Api.V1.Config
             SharedValidator.RuleFor(c => c.SslPort).NotEqual(c => c.Port).When(c => c.EnableSsl);
 
             SharedValidator.RuleFor(c => c.SslCertPath)
-                .Cascade(CascadeMode.StopOnFirstFailure)
+                .Cascade(CascadeMode.Stop)
                 .NotEmpty()
                 .IsValidPath()
                 .SetValidator(fileExistsValidator)

src/Prowlarr.Api.V1/Prowlarr.Api.V1.csproj

@@ -3,7 +3,7 @@
     <TargetFrameworks>net6.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="FluentValidation" Version="8.6.2" />
+    <PackageReference Include="FluentValidation" Version="9.5.4" />
     <PackageReference Include="NLog" Version="5.1.0" />
   </ItemGroup>
   <ItemGroup>

src/Prowlarr.Http/Prowlarr.Http.csproj

@@ -3,7 +3,7 @@
     <TargetFrameworks>net6.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="FluentValidation" Version="8.6.2" />
+    <PackageReference Include="FluentValidation" Version="9.5.4" />
 	  <PackageReference Include="ImpromptuInterface" Version="7.0.1" />
     <PackageReference Include="NLog" Version="5.1.0" />
   </ItemGroup>

src/Prowlarr.Http/REST/ResourceValidator.cs

@@ -4,7 +4,6 @@ using System.Linq;
 using System.Linq.Expressions;
 using FluentValidation;
 using FluentValidation.Internal;
-using FluentValidation.Resources;
 using Prowlarr.Http.ClientSchema;
 
 namespace Prowlarr.Http.REST
@@ -15,7 +14,7 @@ namespace Prowlarr.Http.REST
         {
             var rule = new PropertyRule(fieldListAccessor.GetMember(), c => GetValue(c, fieldListAccessor.Compile(), fieldName), null, () => CascadeMode.Continue, typeof(TProperty), typeof(TResource));
             rule.PropertyName = fieldName;
-            rule.DisplayName = new StaticStringSource(fieldName);
+            rule.SetDisplayName(fieldName);
 
             AddRule(rule);
             return new RuleBuilder<TResource, TProperty>(rule, this);
@@ -25,12 +24,7 @@ namespace Prowlarr.Http.REST
         {
             var resource = fieldListAccessor((TResource)container).SingleOrDefault(c => c.Name == fieldName);
 
-            if (resource == null)
-            {
-                return null;
-            }
-
-            return resource.Value;
+            return resource?.Value;
         }
     }
 }

src/Prowlarr.Http/Validation/EmptyCollectionValidator.cs

@@ -6,10 +6,7 @@ namespace Prowlarr.Http.Validation
 {
     public class EmptyCollectionValidator<T> : PropertyValidator
     {
-        public EmptyCollectionValidator()
-            : base("Collection Must Be Empty")
-        {
-        }
+        protected override string GetDefaultMessageTemplate() => "Collection Must Be Empty";
 
         protected override bool IsValid(PropertyValidatorContext context)
         {

src/Prowlarr.Http/Validation/NetImportSyncIntervalValidator.cs

@@ -4,10 +4,7 @@ namespace Prowlarr.Http.Validation
 {
     public class ImportListSyncIntervalValidator : PropertyValidator
     {
-        public ImportListSyncIntervalValidator()
-            : base("Must be between 10 and 1440 or 0 to disable")
-        {
-        }
+        protected override string GetDefaultMessageTemplate() => "Must be between 10 and 1440 or 0 to disable";
 
         protected override bool IsValid(PropertyValidatorContext context)
         {
@@ -23,12 +20,7 @@ namespace Prowlarr.Http.Validation
                 return true;
             }
 
-            if (value >= 10 && value <= 1440)
-            {
-                return true;
-            }
-
-            return false;
+            return value is >= 10 and <= 1440;
         }
     }
 }

src/Prowlarr.Http/Validation/RssSyncIntervalValidator.cs

@@ -4,10 +4,7 @@ namespace Prowlarr.Http.Validation
 {
     public class RssSyncIntervalValidator : PropertyValidator
     {
-        public RssSyncIntervalValidator()
-            : base("Must be between 10 and 120 or 0 to disable")
-        {
-        }
+        protected override string GetDefaultMessageTemplate() => "Must be between 10 and 120 or 0 to disable";
 
         protected override bool IsValid(PropertyValidatorContext context)
         {
@@ -23,12 +20,7 @@ namespace Prowlarr.Http.Validation
                 return true;
             }
 
-            if (value >= 10 && value <= 120)
-            {
-                return true;
-            }
-
-            return false;
+            return value is >= 10 and <= 120;
         }
     }
 }