Retention check added to DecisionEngine.

Retention is configurable from Settings/Indexers.

NzbDrone.Core/Model/EpisodeParseResult.cs

@@ -40,6 +40,8 @@ public string CleanTitle
 
         public long Size { get; set; }
 
+        public int Age { get; set; }
+
         public override string ToString()
         {
             if (AirDate != null && EpisodeNumbers == null)

NzbDrone.Core/NzbDrone.Core.csproj

@@ -261,6 +261,7 @@
     <Compile Include="Model\Xbmc\IconType.cs" />
     <Compile Include="Providers\BackupProvider.cs" />
     <Compile Include="Providers\DecisionEngine\AlreadyInQueueSpecification.cs" />
+    <Compile Include="Providers\DecisionEngine\RetentionSpecification.cs" />
     <Compile Include="Providers\DownloadClients\BlackholeProvider.cs" />
     <Compile Include="Providers\Converting\AtomicParsleyProvider.cs" />
     <Compile Include="Providers\Converting\HandbrakeProvider.cs" />

NzbDrone.Core/Providers/Core/ConfigProvider.cs

@@ -413,6 +413,12 @@ public virtual bool AutoIgnorePreviouslyDownloadedEpisodes
             set { SetValue("AutoIgnorePreviouslyDownloadedEpisodes", value); }
         }
 
+        public virtual int Retention
+        {
+            get { return GetValueInt("Retention", 0); }
+            set { SetValue("Retention", value); }
+        }
+
         public Guid UGuid
         {
             get { return Guid.Parse(GetValue("UGuid", Guid.NewGuid().ToString(), persist: true)); }

NzbDrone.Core/Providers/DecisionEngine/AllowedDownloadSpecification.cs

@@ -11,17 +11,19 @@ public class AllowedDownloadSpecification
         private readonly UpgradeDiskSpecification _upgradeDiskSpecification;
         private readonly AcceptableSizeSpecification _acceptableSizeSpecification;
         private readonly AlreadyInQueueSpecification _alreadyInQueueSpecification;
+        private readonly RetentionSpecification _retentionSpecification;
         private static readonly Logger logger = LogManager.GetCurrentClassLogger();
 
         [Inject]
         public AllowedDownloadSpecification(QualityAllowedByProfileSpecification qualityAllowedByProfileSpecification,
             UpgradeDiskSpecification upgradeDiskSpecification, AcceptableSizeSpecification acceptableSizeSpecification,
-            AlreadyInQueueSpecification alreadyInQueueSpecification)
+            AlreadyInQueueSpecification alreadyInQueueSpecification, RetentionSpecification retentionSpecification)
         {
             _qualityAllowedByProfileSpecification = qualityAllowedByProfileSpecification;
             _upgradeDiskSpecification = upgradeDiskSpecification;
             _acceptableSizeSpecification = acceptableSizeSpecification;
             _alreadyInQueueSpecification = alreadyInQueueSpecification;
+            _retentionSpecification = retentionSpecification;
         }
 
         public AllowedDownloadSpecification()
@@ -32,6 +34,7 @@ public virtual bool IsSatisfiedBy(EpisodeParseResult subject)
         {
             if (!_qualityAllowedByProfileSpecification.IsSatisfiedBy(subject)) return false;
             if (!_upgradeDiskSpecification.IsSatisfiedBy(subject)) return false;
+            if (!_retentionSpecification.IsSatisfiedBy(subject)) return false;
             if (!_acceptableSizeSpecification.IsSatisfiedBy(subject)) return false;
             if (_alreadyInQueueSpecification.IsSatisfiedBy(subject)) return false;
 

NzbDrone.Core/Providers/DecisionEngine/RetentionSpecification.cs

@@ -0,0 +1,35 @@
+using System.Linq;
+using NLog;
+using NzbDrone.Core.Model;
+using NzbDrone.Core.Providers.Core;
+
+namespace NzbDrone.Core.Providers.DecisionEngine
+{
+    public class RetentionSpecification
+    {
+        private readonly ConfigProvider _configProvider;
+        private static readonly Logger logger = LogManager.GetCurrentClassLogger();
+
+        public RetentionSpecification(ConfigProvider configProvider)
+        {
+            _configProvider = configProvider;
+        }
+
+        public RetentionSpecification()
+        {
+            
+        }
+
+        public virtual bool IsSatisfiedBy(EpisodeParseResult subject)
+        {
+            logger.Trace("Checking if report meets retention requirements. {0}", subject.Age);
+            if (_configProvider.Retention > 0 && subject.Age > _configProvider.Retention)
+            {
+                logger.Trace("Quality {0} rejected by user's retention limit", subject.Age);
+                return false;
+            }
+
+            return true;
+        }
+    }
+}

NzbDrone.Web/Controllers/SettingsController.cs

@@ -67,6 +67,8 @@ public ActionResult Indexers()
         {
             return View(new IndexerSettingsModel
                             {
+                                Retention = _configProvider.Retention,
+
                                 NzbMatrixUsername = _configProvider.NzbMatrixUsername,
                                 NzbMatrixApiKey = _configProvider.NzbMatrixApiKey,
 
@@ -338,6 +340,8 @@ public JsonResult SaveIndexers(IndexerSettingsModel data)
         {
             if (ModelState.IsValid)
             {
+                _configProvider.Retention = data.Retention;
+
                 var nzbsOrgSettings = _indexerProvider.GetSettings(typeof(NzbsOrg));
                 nzbsOrgSettings.Enable = data.NzbsOrgEnabled;
                 _indexerProvider.SaveSettings(nzbsOrgSettings);

NzbDrone.Web/Models/IndexerSettingsModel.cs

@@ -76,6 +76,12 @@ public class IndexerSettingsModel
         [Description("Enable downloading episodes from Newznab Providers")]
         public bool NewznabEnabled { get; set; }
 
+        [Required(ErrorMessage = "Please enter a valid number of days")]
+        [DataType(DataType.Text)]
+        [DisplayName("Retention")]
+        [Description("Usenet provider retention in days (0 = unlimited)")]
+        public int Retention { get; set; }
+
         public List<NewznabDefinition> NewznabDefinitions { get; set; }
     }
 }

NzbDrone.Web/Views/Settings/Indexers.cshtml

@@ -9,14 +9,19 @@
         {
             overflow: auto;
         }
+        
+        .retentionContainer 
+        {
+            padding-top: 20px;
+            overflow: hidden;
+        }
     </style>
 }
 <div class="infoBox">
     RSS feeds are checked every 25 minutes for new episodes.</div>
 <div id="stylized">
     @using (Html.BeginForm("SaveIndexers", "Settings", FormMethod.Post, new { id = "IndexersForm", name = "IndexersForm", @class = "settingsForm" }))
-    {
-        @Html.ValidationSummary(true, "Unable to save your settings. Please correct the errors and try again.")
+    {     
         <div class="jquery-accordion">
             <h3>
                 <a href="#">NZBs.org</a></h3>
@@ -106,7 +111,16 @@
                 </div>
             </div>
         </div>
-        <br />
+        
+        <div class="retentionContainer">
+            @Html.ValidationSummary(true, "Unable to save your settings. Please correct the errors and try again.")
+
+            <label class="labelClass">@Html.LabelFor(m => m.Retention)
+                <span class="small">@Html.DescriptionFor(m => m.Retention)</span>
+            </label>
+            @Html.TextBoxFor(m => m.Retention, new { @class = "inputClass" })
+        </div>
+        
         <button type="submit" class="save_button" disabled="disabled">
             Save</button>
     }