New: Store Task StartTime, Show Duration in UI

src/Lidarr.Api.V1/System/Tasks/TaskModule.cs

@@ -53,6 +53,7 @@ namespace Lidarr.Api.V1.System.Tasks
                 TaskName = taskName,
                 Interval = scheduledTask.Interval,
                 LastExecution = scheduledTask.LastExecution,
+                LastStartTime = scheduledTask.LastStartTime,
                 NextExecution = scheduledTask.LastExecution.AddMinutes(scheduledTask.Interval)
             };
         }

src/Lidarr.Api.V1/System/Tasks/TaskResource.cs

@@ -9,6 +9,9 @@ namespace Lidarr.Api.V1.System.Tasks
         public string TaskName { get; set; }
         public int Interval { get; set; }
         public DateTime LastExecution { get; set; }
+        public DateTime LastStartTime { get; set; }
         public DateTime NextExecution { get; set; }
+
+        public TimeSpan LastDuration => LastExecution - LastStartTime;
     }
 }

src/NzbDrone.Core/Datastore/Migration/040_task_duration.cs

@@ -0,0 +1,14 @@
+using FluentMigrator;
+using NzbDrone.Core.Datastore.Migration.Framework;
+
+namespace NzbDrone.Core.Datastore.Migration
+{
+    [Migration(40)]
+    public class task_duration : NzbDroneMigrationBase
+    {
+        protected override void MainDbUpgrade()
+        {
+            Alter.Table("ScheduledTasks").AddColumn("LastStartTime").AsDateTime().Nullable();
+        }
+    }
+}

src/NzbDrone.Core/Jobs/ScheduledTask.cs

@@ -8,5 +8,6 @@ namespace NzbDrone.Core.Jobs
         public string TypeName { get; set; }
         public int Interval { get; set; }
         public DateTime LastExecution { get; set; }
+        public DateTime LastStartTime { get; set; }
     }
 }

src/NzbDrone.Core/Jobs/ScheduledTaskRepository.cs

@@ -8,7 +8,7 @@ namespace NzbDrone.Core.Jobs
     public interface IScheduledTaskRepository : IBasicRepository<ScheduledTask>
     {
         ScheduledTask GetDefinition(Type type);
-        void SetLastExecutionTime(int id, DateTime executionTime);
+        void SetLastExecutionTime(int id, DateTime executionTime, DateTime startTime);
     }
 
     public class ScheduledTaskRepository : BasicRepository<ScheduledTask>, IScheduledTaskRepository
@@ -23,15 +23,16 @@ namespace NzbDrone.Core.Jobs
             return Query.Where(c => c.TypeName == type.FullName).Single();
         }
 
-        public void SetLastExecutionTime(int id, DateTime executionTime)
+        public void SetLastExecutionTime(int id, DateTime executionTime, DateTime startTime)
         {
             var task = new ScheduledTask
             {
                 Id = id,
-                LastExecution = executionTime
+                LastExecution = executionTime,
+                LastStartTime = startTime
             };
 
-            SetFields(task, scheduledTask => scheduledTask.LastExecution);
+            SetFields(task, scheduledTask => scheduledTask.LastExecution, scheduledTask => scheduledTask.LastStartTime);
         }
     }
 }

src/NzbDrone.Core/Jobs/Scheduler.cs

@@ -39,7 +39,7 @@ namespace NzbDrone.Core.Jobs
 
                 foreach (var task in tasks)
                 {
-                    _commandQueueManager.Push(task.TypeName, task.LastExecution, CommandPriority.Low, CommandTrigger.Scheduled);
+                    _commandQueueManager.Push(task.TypeName, task.LastExecution, task.LastStartTime, CommandPriority.Low, CommandTrigger.Scheduled);
                 }
             }
             finally

src/NzbDrone.Core/Jobs/TaskManager.cs

@@ -145,7 +145,7 @@ namespace NzbDrone.Core.Jobs
             if (scheduledTask != null && message.Command.Body.UpdateScheduledTask)
             {
                 _logger.Trace("Updating last run time for: {0}", scheduledTask.TypeName);
-                _scheduledTaskRepository.SetLastExecutionTime(scheduledTask.Id, DateTime.UtcNow);
+                _scheduledTaskRepository.SetLastExecutionTime(scheduledTask.Id, DateTime.UtcNow, message.Command.StartedAt.Value);
             }
         }
 

src/NzbDrone.Core/Messaging/Commands/Command.cs

@@ -28,6 +28,7 @@ namespace NzbDrone.Core.Messaging.Commands
 
         public string Name { get; private set; }
         public DateTime? LastExecutionTime { get; set; }
+        public DateTime? LastStartTime { get; set; }
         public CommandTrigger Trigger { get; set; }
         public bool SuppressMessages { get; set; }
 

src/NzbDrone.Core/Messaging/Commands/CommandQueueManager.cs

@@ -19,7 +19,7 @@ namespace NzbDrone.Core.Messaging.Commands
             where TCommand : Command;
         CommandModel Push<TCommand>(TCommand command, CommandPriority priority = CommandPriority.Normal, CommandTrigger trigger = CommandTrigger.Unspecified)
             where TCommand : Command;
-        CommandModel Push(string commandName, DateTime? lastExecutionTime, CommandPriority priority = CommandPriority.Normal, CommandTrigger trigger = CommandTrigger.Unspecified);
+        CommandModel Push(string commandName, DateTime? lastExecutionTime, DateTime? lastStartTime, CommandPriority priority = CommandPriority.Normal, CommandTrigger trigger = CommandTrigger.Unspecified);
         IEnumerable<CommandModel> Queue(CancellationToken cancellationToken);
         List<CommandModel> All();
         CommandModel Get(int id);
@@ -128,10 +128,11 @@ namespace NzbDrone.Core.Messaging.Commands
             return commandModel;
         }
 
-        public CommandModel Push(string commandName, DateTime? lastExecutionTime, CommandPriority priority = CommandPriority.Normal, CommandTrigger trigger = CommandTrigger.Unspecified)
+        public CommandModel Push(string commandName, DateTime? lastExecutionTime, DateTime? lastStartTime, CommandPriority priority = CommandPriority.Normal, CommandTrigger trigger = CommandTrigger.Unspecified)
         {
             dynamic command = GetCommand(commandName);
             command.LastExecutionTime = lastExecutionTime;
+            command.LastStartTime = lastStartTime;
             command.Trigger = trigger;
 
             return Push(command, priority, trigger);