Fixed: Prevent setting series folder to drone factory, root folder or another series' folder

src/NzbDrone.Api/Series/SeriesModule.cs

@@ -32,7 +32,13 @@ namespace NzbDrone.Api.Series
         public SeriesModule(ICommandExecutor commandExecutor,
                             ISeriesService seriesService,
                             ISeriesStatisticsService seriesStatisticsService,
-                            IMapCoversToLocal coverMapper)
+                            IMapCoversToLocal coverMapper,
+                            RootFolderValidator rootFolderValidator,
+                            PathExistsValidator pathExistsValidator,
+                            SeriesPathValidator seriesPathValidator,
+                            SeriesExistsValidator seriesExistsValidator,
+                            DroneFactoryValidator droneFactoryValidator
+            )
             : base(commandExecutor)
         {
             _commandExecutor = commandExecutor;
@@ -48,11 +54,18 @@ namespace NzbDrone.Api.Series
 
             SharedValidator.RuleFor(s => s.QualityProfileId).ValidId();
 
-            PutValidator.RuleFor(s => s.Path).IsValidPath();
+            PutValidator.RuleFor(s => s.Path)
+                        .Cascade(CascadeMode.StopOnFirstFailure)
+                        .IsValidPath()
+                        .SetValidator(rootFolderValidator)
+                        .SetValidator(pathExistsValidator)
+                        .SetValidator(seriesPathValidator)
+                        .SetValidator(droneFactoryValidator);
 
             PostValidator.RuleFor(s => s.Path).IsValidPath().When(s => String.IsNullOrEmpty(s.RootFolderPath));
             PostValidator.RuleFor(s => s.RootFolderPath).IsValidPath().When(s => String.IsNullOrEmpty(s.Path));
             PostValidator.RuleFor(s => s.Title).NotEmpty();
+            PostValidator.RuleFor(s => s.TvdbId).GreaterThan(0).SetValidator(seriesExistsValidator);
         }
 
         private SeriesResource GetSeries(int id)

src/NzbDrone.Core/NzbDrone.Core.csproj

@@ -682,9 +682,11 @@
     <Compile Include="Update\UpdatePackageProvider.cs" />
     <Compile Include="Update\UpdatePackage.cs" />
     <Compile Include="Update\UpdateCheckService.cs" />
+    <Compile Include="Validation\Paths\SeriesExistsValidator.cs" />
+    <Compile Include="Validation\Paths\RootFolderValidator.cs" />
     <Compile Include="Validation\Paths\DroneFactoryValidator.cs" />
     <Compile Include="Validation\Paths\PathValidator.cs" />
-    <Compile Include="Validation\Paths\RootFolderValidator.cs" />
+    <Compile Include="Validation\Paths\SeriesPathValidator.cs" />
     <Compile Include="Validation\Paths\PathExistsValidator.cs" />
     <Compile Include="Validation\FolderValidator.cs" />
     <Compile Include="Validation\RuleBuilderExtensions.cs" />

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

@@ -0,0 +1,26 @@
+using System;
+using FluentValidation.Validators;
+using NzbDrone.Core.Tv;
+
+namespace NzbDrone.Core.Validation.Paths
+{
+    public class SeriesExistsValidator : PropertyValidator
+    {
+        private readonly ISeriesService _seriesService;
+
+        public SeriesExistsValidator(ISeriesService seriesService)
+            : base("This series has already been added")
+        {
+            _seriesService = seriesService;
+        }
+
+        protected override bool IsValid(PropertyValidatorContext context)
+        {
+            if (context.PropertyValue == null) return true;
+
+            var tvdbId = Convert.ToInt32(context.PropertyValue.ToString());
+
+            return (!_seriesService.GetAllSeries().Exists(s => s.TvdbId == tvdbId));
+        }
+    }
+}

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

@@ -0,0 +1,30 @@
+using FluentValidation.Validators;
+using NzbDrone.Common;
+using NzbDrone.Core.Tv;
+using Omu.ValueInjecter;
+
+namespace NzbDrone.Core.Validation.Paths
+{
+    public class SeriesPathValidator : PropertyValidator
+    {
+        private readonly ISeriesService _seriesService;
+
+        public SeriesPathValidator(ISeriesService seriesService)
+            : base("Path is already configured for another series")
+        {
+            _seriesService = seriesService;
+        }
+
+        protected override bool IsValid(PropertyValidatorContext context)
+        {
+            if (context.PropertyValue == null) return true;
+
+            var series = new Series();
+            series.InjectFrom(context.ParentContext.InstanceToValidate);
+
+            if (series.Id == 0) return true;
+
+            return (!_seriesService.GetAllSeries().Exists(s => s.Path.PathEquals(context.PropertyValue.ToString()) && s.Id != series.Id));
+        }
+    }
+}

src/UI/AddSeries/SearchResultViewTemplate.html

@@ -21,6 +21,7 @@
                     {{overview}}
                 </div>
             </div>
+            {{#unless existing}}
             <div class="row labels">
                 {{#unless path}}
                 <div class="span4">Path</div>
@@ -29,6 +30,7 @@
                 <div class="span1 starting-season starting-season-label">Starting Season</div>
                 <div class="span2">Quality Profile</div>
             </div>
+            {{/unless}}
             <div class="row">
                 <form class="form-inline">
                     {{#if existing}}