Fixed: Empty Sabnzbd category is now properly handled. But added UI validation to recommend adding a category.

src/NzbDrone.Api/DownloadClient/DownloadClientModule.cs

@@ -9,10 +9,10 @@ namespace NzbDrone.Api.DownloadClient
         {
         }
 
-        protected override void Validate(DownloadClientDefinition definition)
+        protected override void Validate(DownloadClientDefinition definition, bool includeWarnings)
         {
             if (!definition.Enable) return;
-            base.Validate(definition);
+            base.Validate(definition, includeWarnings);
         }
     }
 }

src/NzbDrone.Api/Indexers/IndexerModule.cs

@@ -9,10 +9,10 @@ namespace NzbDrone.Api.Indexers
         {
         }
 
-        protected override void Validate(IndexerDefinition definition)
+        protected override void Validate(IndexerDefinition definition, bool includeWarnings)
         {
             if (!definition.Enable) return;
-            base.Validate(definition);
+            base.Validate(definition, includeWarnings);
         }
     }
 }

src/NzbDrone.Api/Metadata/MetadataModule.cs

@@ -9,10 +9,10 @@ namespace NzbDrone.Api.Metadata
         {
         }
 
-        protected override void Validate(MetadataDefinition definition)
+        protected override void Validate(MetadataDefinition definition, bool includeWarnings)
         {
             if (!definition.Enable) return;
-            base.Validate(definition);
+            base.Validate(definition, includeWarnings);
         }
     }
 }

src/NzbDrone.Api/Notifications/NotificationModule.cs

@@ -9,10 +9,10 @@ namespace NzbDrone.Api.Notifications
         {
         }
 
-        protected override void Validate(NotificationDefinition definition)
+        protected override void Validate(NotificationDefinition definition, bool includeWarnings)
         {
             if (!definition.OnGrab && !definition.OnDownload) return;
-            base.Validate(definition);
+            base.Validate(definition, includeWarnings);
         }
     }
 }

src/NzbDrone.Api/ProviderModuleBase.cs

@@ -2,12 +2,14 @@
 using System.Collections.Generic;
 using System.Linq;
 using FluentValidation;
+using FluentValidation.Results;
 using Nancy;
 using NzbDrone.Api.ClientSchema;
 using NzbDrone.Api.Extensions;
 using NzbDrone.Api.Mapping;
 using NzbDrone.Common.Reflection;
 using NzbDrone.Core.ThingiProvider;
+using NzbDrone.Core.Validation;
 using Omu.ValueInjecter;
 
 namespace NzbDrone.Api
@@ -72,12 +74,9 @@ namespace NzbDrone.Api
 
         private int CreateProvider(TProviderResource providerResource)
         {
-            var providerDefinition = GetDefinition(providerResource);
+            var providerDefinition = GetDefinition(providerResource, false);
 
-            if (providerDefinition.Enable)
-            {
-                Test(providerDefinition);
-            }
+            Test(providerDefinition, false);
 
             providerDefinition = _providerFactory.Create(providerDefinition);
 
@@ -86,12 +85,14 @@ namespace NzbDrone.Api
 
         private void UpdateProvider(TProviderResource providerResource)
         {
-            var providerDefinition = GetDefinition(providerResource);
+            var providerDefinition = GetDefinition(providerResource, false);
+
+            Test(providerDefinition, false);
 
             _providerFactory.Update(providerDefinition);
         }
 
-        private TProviderDefinition GetDefinition(TProviderResource providerResource)
+        private TProviderDefinition GetDefinition(TProviderResource providerResource, bool includeWarnings = false)
         {
             var definition = new TProviderDefinition();
 
@@ -105,7 +106,7 @@ namespace NzbDrone.Api
             var configContract = ReflectionExtensions.CoreAssembly.FindTypeByName(definition.ConfigContract);
             definition.Settings = (IProviderConfig)SchemaBuilder.ReadFormSchema(providerResource.Fields, configContract, preset);
 
-            Validate(definition);
+            Validate(definition, includeWarnings);
 
             return definition;
         }
@@ -149,31 +150,42 @@ namespace NzbDrone.Api
 
         private Response Test(TProviderResource providerResource)
         {
-            var providerDefinition = GetDefinition(providerResource);
+            var providerDefinition = GetDefinition(providerResource, true);
 
-            Test(providerDefinition);
+            Test(providerDefinition, true);
 
             return "{}";
         }
 
-        private void Test(TProviderDefinition providerDefinition)
+        protected virtual void Validate(TProviderDefinition definition, bool includeWarnings)
         {
-            var result = _providerFactory.Test(providerDefinition);
+            var validationResult = definition.Settings.Validate();
+
+            VerifyValidationResult(validationResult, includeWarnings);
+        }
+
+        protected virtual void Test(TProviderDefinition definition, bool includeWarnings)
+        {
+            if (!definition.Enable) return;
+
+            var validationResult = _providerFactory.Test(definition);
+
+            VerifyValidationResult(validationResult, includeWarnings);
+        }
+
+        protected void VerifyValidationResult(ValidationResult validationResult, bool includeWarnings)
+        {
+            var result = new NzbDroneValidationResult(validationResult.Errors);
+
+            if (includeWarnings && (!result.IsValid || result.HasWarnings))
+            {
+                throw new ValidationException(result.Failures);
+            }
 
             if (!result.IsValid)
             {
                 throw new ValidationException(result.Errors);
             }
         }
-
-        protected virtual void Validate(TProviderDefinition definition)
-        {
-            var validationResult = definition.Settings.Validate();
-
-            if (!validationResult.IsValid)
-            {
-                throw new ValidationException(validationResult.Errors);
-            }
-        }
     }
 }

src/NzbDrone.Core/Download/Clients/Deluge/DelugeSettings.cs

@@ -38,7 +38,7 @@ namespace NzbDrone.Core.Download.Clients.Deluge
         [FieldDefinition(2, Label = "Password", Type = FieldType.Password)]
         public String Password { get; set; }
 
-        [FieldDefinition(3, Label = "Category", Type = FieldType.Textbox)]
+        [FieldDefinition(3, Label = "Category", Type = FieldType.Textbox, HelpText = "Adding a category specific to Sonarr avoids conflicts with unrelated downloads, but it's optional")]
         public String TvCategory { get; set; }
 
         [FieldDefinition(4, Label = "Recent Priority", Type = FieldType.Select, SelectOptions = typeof(DelugePriority), HelpText = "Priority to use when grabbing episodes that aired within the last 14 days")]

src/NzbDrone.Core/Download/Clients/Nzbget/NzbgetSettings.cs

@@ -3,6 +3,7 @@ using FluentValidation;
 using FluentValidation.Results;
 using NzbDrone.Core.Annotations;
 using NzbDrone.Core.ThingiProvider;
+using NzbDrone.Core.Validation;
 using NzbDrone.Core.Validation.Paths;
 
 namespace NzbDrone.Core.Download.Clients.Nzbget
@@ -18,6 +19,8 @@ namespace NzbDrone.Core.Download.Clients.Nzbget
 
             RuleFor(c => c.TvCategory).NotEmpty().When(c => !String.IsNullOrWhiteSpace(c.TvCategoryLocalPath));
             RuleFor(c => c.TvCategoryLocalPath).IsValidPath().When(c => !String.IsNullOrWhiteSpace(c.TvCategoryLocalPath));
+
+            RuleFor(c => c.TvCategory).NotEmpty().WithMessage("A category is recommended").AsWarning();
         }
     }
 
@@ -46,7 +49,7 @@ namespace NzbDrone.Core.Download.Clients.Nzbget
         [FieldDefinition(3, Label = "Password", Type = FieldType.Password)]
         public String Password { get; set; }
 
-        [FieldDefinition(4, Label = "Category", Type = FieldType.Textbox)]
+        [FieldDefinition(4, Label = "Category", Type = FieldType.Textbox, HelpText = "Adding a category specific to Sonarr avoids conflicts with unrelated downloads, but it's optional")]
         public String TvCategory { get; set; }
 
         // TODO: Remove around January 2015, this setting was superceded by the RemotePathMappingService, but has to remain for a while to properly migrate.

src/NzbDrone.Core/Download/Clients/Sabnzbd/Sabnzbd.cs

@@ -181,7 +181,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
 
             foreach (var downloadClientItem in GetQueue().Concat(GetHistory()))
             {
-                if (downloadClientItem.Category == Settings.TvCategory)
+                if (downloadClientItem.Category == Settings.TvCategory || downloadClientItem.Category == "*" && Settings.TvCategory.IsNullOrWhiteSpace())
                 {
                     yield return downloadClientItem;
                 }

src/NzbDrone.Core/Download/Clients/Sabnzbd/SabnzbdSettings.cs

@@ -3,6 +3,7 @@ using FluentValidation;
 using FluentValidation.Results;
 using NzbDrone.Core.Annotations;
 using NzbDrone.Core.ThingiProvider;
+using NzbDrone.Core.Validation;
 
 namespace NzbDrone.Core.Download.Clients.Sabnzbd
 {
@@ -24,6 +25,10 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
             RuleFor(c => c.Password).NotEmpty()
                                     .WithMessage("Password is required when API key is not configured")
                                     .When(c => String.IsNullOrWhiteSpace(c.ApiKey));
+
+            RuleFor(c => c.TvCategory).NotEmpty()
+                                      .WithMessage("A category is recommended")
+                                      .AsWarning();
         }
     }
 
@@ -55,7 +60,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
         [FieldDefinition(4, Label = "Password", Type = FieldType.Password)]
         public String Password { get; set; }
 
-        [FieldDefinition(5, Label = "Category", Type = FieldType.Textbox)]
+        [FieldDefinition(5, Label = "Category", Type = FieldType.Textbox, HelpText = "Adding a category specific to Sonarr avoids conflicts with unrelated downloads, but it's optional")]
         public String TvCategory { get; set; }
 
         // TODO: Remove around January 2015, this setting was superceded by the RemotePathMappingService, but has to remain for a while to properly migrate.

src/NzbDrone.Core/Download/Clients/Transmission/TransmissionSettings.cs

@@ -42,7 +42,7 @@ namespace NzbDrone.Core.Download.Clients.Transmission
         [FieldDefinition(4, Label = "Password", Type = FieldType.Password)]
         public String Password { get; set; }
 
-        [FieldDefinition(5, Label = "Category", Type = FieldType.Textbox)]
+        [FieldDefinition(5, Label = "Category", Type = FieldType.Textbox, HelpText = "Adding a category specific to Sonarr avoids conflicts with unrelated downloads, but it's optional. Creates a .[category] subdirectory in the output directory.")]
         public String TvCategory { get; set; }
 
         [FieldDefinition(6, Label = "Recent Priority", Type = FieldType.Select, SelectOptions = typeof(TransmissionPriority), HelpText = "Priority to use when grabbing episodes that aired within the last 14 days")]

src/NzbDrone.Core/Download/Clients/uTorrent/UTorrentSettings.cs

@@ -39,7 +39,7 @@ namespace NzbDrone.Core.Download.Clients.UTorrent
         [FieldDefinition(3, Label = "Password", Type = FieldType.Password)]
         public String Password { get; set; }
 
-        [FieldDefinition(4, Label = "Category", Type = FieldType.Textbox)]
+        [FieldDefinition(4, Label = "Category", Type = FieldType.Textbox, HelpText = "Adding a category specific to Sonarr avoids conflicts with unrelated downloads, but it's optional")]
         public String TvCategory { get; set; }
 
         [FieldDefinition(5, Label = "Recent Priority", Type = FieldType.Select, SelectOptions = typeof(UTorrentPriority), HelpText = "Priority to use when grabbing episodes that aired within the last 14 days")]

src/NzbDrone.Core/NzbDrone.Core.csproj

@@ -869,8 +869,10 @@
     <Compile Include="Update\UpdateVerificationFailedException.cs" />
     <Compile Include="Validation\FolderValidator.cs" />
     <Compile Include="Validation\IpValidation.cs" />
-    <Compile Include="Validation\LangaugeValidator.cs" />
+    <Compile Include="Validation\LanguageValidator.cs" />
     <Compile Include="Validation\NzbDroneValidationFailure.cs" />
+    <Compile Include="Validation\NzbDroneValidationResult.cs" />
+    <Compile Include="Validation\NzbDroneValidationState.cs" />
     <Compile Include="Validation\Paths\DroneFactoryValidator.cs" />
     <Compile Include="Validation\Paths\PathExistsValidator.cs" />
     <Compile Include="Validation\Paths\PathValidator.cs" />

src/NzbDrone.Core/Validation/LanguageValidator.cs

@@ -2,9 +2,9 @@
 
 namespace NzbDrone.Core.Validation
 {
-    public class LangaugeValidator : PropertyValidator
+    public class LanguageValidator : PropertyValidator
     {
-        public LangaugeValidator()
+        public LanguageValidator()
             : base("Unknown Language")
         {
         }

src/NzbDrone.Core/Validation/NzbDroneValidationFailure.cs

@@ -5,13 +5,29 @@ namespace NzbDrone.Core.Validation
 {
     public class NzbDroneValidationFailure : ValidationFailure
     {
-        public String DetailedDescription { get; set; }
-        public String InfoLink { get; set; }
+        public bool IsWarning { get; set; }
+        public string DetailedDescription { get; set; }
+        public string InfoLink { get; set; }
 
-        public NzbDroneValidationFailure(String propertyName, String error)
+        public NzbDroneValidationFailure(string propertyName, string error)
             : base(propertyName, error)
         {
 
         }
+
+        public NzbDroneValidationFailure(string propertyName, string error, object attemptedValue)
+            : base(propertyName, error, attemptedValue)
+        {
+
+        }
+
+        public NzbDroneValidationFailure(ValidationFailure validationFailure)
+            : base(validationFailure.PropertyName, validationFailure.ErrorMessage, validationFailure.AttemptedValue)
+        {
+            CustomState = validationFailure.CustomState;
+            var state = validationFailure.CustomState as NzbDroneValidationState;
+
+            IsWarning = state != null && state.IsWarning;
+        }
     }
 }

src/NzbDrone.Core/Validation/NzbDroneValidationResult.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using FluentValidation;
+using FluentValidation.Results;
+
+namespace NzbDrone.Core.Validation
+{
+    public class NzbDroneValidationResult : ValidationResult
+    {
+        public NzbDroneValidationResult()
+        {
+        }
+
+        public NzbDroneValidationResult(IEnumerable<ValidationFailure> failures)
+        {
+            var errors = new List<NzbDroneValidationFailure>();
+            var warnings = new List<NzbDroneValidationFailure>();
+
+            foreach (var failureBase in failures)
+            {
+                var failure = failureBase as NzbDroneValidationFailure;
+                if (failure == null)
+                {
+                    failure = new NzbDroneValidationFailure(failureBase);
+                }
+                if (failure.IsWarning)
+                {
+                    warnings.Add(failure);
+                }
+                else
+                {
+                    errors.Add(failure);
+                }
+            }
+
+            Failures = errors.Concat(warnings).ToList();
+            Errors = errors;
+            errors.ForEach(base.Errors.Add);
+            Warnings = warnings;
+        }
+
+        public IList<NzbDroneValidationFailure> Failures { get; private set; }
+
+        public new IList<NzbDroneValidationFailure> Errors { get; private set; }
+
+        public IList<NzbDroneValidationFailure> Warnings { get; private set; }
+
+        public virtual bool HasWarnings
+        {
+            get { return Warnings.Any(); }
+        }
+    }
+}

src/NzbDrone.Core/Validation/NzbDroneValidationState.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using FluentValidation;
+using FluentValidation.Results;
+
+namespace NzbDrone.Core.Validation
+{
+    public class NzbDroneValidationState
+    {
+        public static NzbDroneValidationState Warning = new NzbDroneValidationState { IsWarning = true };
+
+        public bool IsWarning { get; set; }
+    }
+}

src/NzbDrone.Core/Validation/NzbDroneValidator.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using FluentValidation;
+using FluentValidation.Results;
+
+namespace NzbDrone.Core.Validation
+{
+    public abstract class NzbDroneValidator<T> : AbstractValidator<T>
+    {
+        public override ValidationResult Validate(T instance)
+        {
+            return new NzbDroneValidationResult(base.Validate(instance).Errors);
+        }
+    }
+}

src/NzbDrone.Core/Validation/RuleBuilderExtensions.cs

@@ -35,7 +35,12 @@ namespace NzbDrone.Core.Validation
 
         public static IRuleBuilderOptions<T, Language> ValidLanguage<T>(this IRuleBuilder<T, Language> ruleBuilder)
         {
-            return ruleBuilder.SetValidator(new LangaugeValidator());
+            return ruleBuilder.SetValidator(new LanguageValidator());
+        }
+
+        public static IRuleBuilderOptions<T, TProp> AsWarning<T, TProp>(this IRuleBuilderOptions<T, TProp> ruleBuilder)
+        {
+            return ruleBuilder.WithState(v => NzbDroneValidationState.Warning);
         }
     }
 }

src/UI/Content/form.less

@@ -102,6 +102,20 @@ h3 {
   }
 }
 
+.has-warning {
+  .help-inline {
+    color: orange;
+    margin-left: 0px;
+  }
+}
+
+.validation-warning {
+  i {
+    text-decoration: none;
+    color: orange;
+  }
+}
+
 // Tooltips
 
 .help-inline-checkbox, .help-inline {

src/UI/jQuery/jquery.validation.js

@@ -37,16 +37,21 @@ module.exports = function() {
         } else {
             var inputGroup = formGroup.find('.input-group');
 
-            if (inputGroup.length === 0) {
-                formGroup.append('<span class="help-inline validation-error">' + errorMessage + '</span>');
-            }
+            var validationClass = error.isWarning ? 'validation-warning' : 'validation-error';
 
+            if (inputGroup.length === 0) {
+                formGroup.append('<span class="help-inline {0}">{1}</span>'.format(validationClass, errorMessage));
+            }
             else {
-                inputGroup.parent().append('<span class="help-block validation-error">' + errorMessage + '</span>');
+                inputGroup.parent().append('<span class="help-block {0}">{1}</span>'.format(validationClass, errorMessage));
             }
         }
 
-        formGroup.addClass('has-error');
+        if (error.isWarning) {
+            formGroup.addClass('has-warning');
+        } else {
+            formGroup.addClass('has-error');
+        }
 
         return formGroup.find('.help-inline').text();
     };
@@ -59,20 +64,23 @@ module.exports = function() {
 
         var errorMessage = this.formatErrorMessage(error);
 
-        if (this.find('.modal-body')) {
-            this.find('.modal-body').prepend('<div class="alert alert-danger validation-error">' + errorMessage + '</div>');
+        var target = this.find('.modal-body');
+        if (!target.length) {
+            target = this;
         }
 
-        else {
-            this.prepend('<div class="alert alert-danger validation-error">' + errorMessage + '</div>');
-        }
+        var validationClass = error.isWarning ? 'alert alert-warning validation-warning' : 'alert alert-danger validation-error';
+
+        target.prepend('<div class="{0}">{1}</div>'.format(validationClass, errorMessage));
     };
 
     $.fn.removeAllErrors = function() {
         this.find('.has-error').removeClass('has-error');
+        this.find('.has-warning').removeClass('has-warning');
         this.find('.error').removeClass('error');
-        this.find('.validation-errors').removeClass('alert').removeClass('alert-danger').html('');
+        this.find('.validation-errors').removeClass('alert').removeClass('alert-danger').removeClass('alert-warning').html('');
         this.find('.validation-error').remove();
+        this.find('.validation-warning').remove();
         return this.find('.help-inline.error-message').remove();
     };