9 files changed, 336 insertions, 0 deletions
diff --git a/MediaBrowser.Model/Tasks/IConfigurableScheduledTask.cs b/MediaBrowser.Model/Tasks/IConfigurableScheduledTask.cs
new file mode 100644
index 0000000000..ed981a905b
--- /dev/null
+++ b/MediaBrowser.Model/Tasks/IConfigurableScheduledTask.cs
@@ -0,0 +1,18 @@
+namespace MediaBrowser.Model.Tasks
+{
+    public interface IConfigurableScheduledTask
+    {
+        /// <summary>
+        /// Gets a value indicating whether this instance is hidden.
+        /// </summary>
+        /// <value><c>true</c> if this instance is hidden; otherwise, <c>false</c>.</value>
+        bool IsHidden { get; }
+        /// <summary>
+        /// Gets a value indicating whether this instance is enabled.
+        /// </summary>
+        /// <value><c>true</c> if this instance is enabled; otherwise, <c>false</c>.</value>
+        bool IsEnabled { get; }
+
+        bool IsLogged { get; }
+    }
+}
+\ No newline at end of file
diff --git a/MediaBrowser.Model/Tasks/IScheduledTask.cs b/MediaBrowser.Model/Tasks/IScheduledTask.cs
new file mode 100644
index 0000000000..81ba239ad8
--- /dev/null
+++ b/MediaBrowser.Model/Tasks/IScheduledTask.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Model.Tasks
+{
+    /// <summary>
+    /// Interface IScheduledTaskWorker
+    /// </summary>
+    public interface IScheduledTask
+    {
+        /// <summary>
+        /// Gets the name of the task
+        /// </summary>
+        /// <value>The name.</value>
+        string Name { get; }
+
+        string Key { get; }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        string Description { get; }
+
+        /// <summary>
+        /// Gets the category.
+        /// </summary>
+        /// <value>The category.</value>
+        string Category { get; }
+
+        /// <summary>
+        /// Executes the task
+        /// </summary>
+        /// <param name="cancellationToken">The cancellation token.</param>
+        /// <param name="progress">The progress.</param>
+        /// <returns>Task.</returns>
+        Task Execute(CancellationToken cancellationToken, IProgress<double> progress);
+
+        /// <summary>
+        /// Gets the default triggers.
+        /// </summary>
+        /// <returns>IEnumerable{BaseTaskTrigger}.</returns>
+        IEnumerable<TaskTriggerInfo> GetDefaultTriggers();
+    }
+}
diff --git a/MediaBrowser.Model/Tasks/IScheduledTaskWorker.cs b/MediaBrowser.Model/Tasks/IScheduledTaskWorker.cs
new file mode 100644
index 0000000000..415207f8f0
--- /dev/null
+++ b/MediaBrowser.Model/Tasks/IScheduledTaskWorker.cs
@@ -0,0 +1,76 @@
+using System;
+using MediaBrowser.Model.Events;
+
+namespace MediaBrowser.Model.Tasks
+{
+    /// <summary>
+    /// Interface IScheduledTaskWorker
+    /// </summary>
+    public interface IScheduledTaskWorker : IDisposable
+    {
+        /// <summary>
+        /// Occurs when [task progress].
+        /// </summary>
+        event EventHandler<GenericEventArgs<double>> TaskProgress;
+
+        /// <summary>
+        /// Gets or sets the scheduled task.
+        /// </summary>
+        /// <value>The scheduled task.</value>
+        IScheduledTask ScheduledTask { get; }
+
+        /// <summary>
+        /// Gets the last execution result.
+        /// </summary>
+        /// <value>The last execution result.</value>
+        TaskResult LastExecutionResult { get; }
+
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        string Name { get; }
+
+        /// <summary>
+        /// Gets the description.
+        /// </summary>
+        /// <value>The description.</value>
+        string Description { get; }
+
+        /// <summary>
+        /// Gets the category.
+        /// </summary>
+        /// <value>The category.</value>
+        string Category { get; }
+
+        /// <summary>
+        /// Gets the state.
+        /// </summary>
+        /// <value>The state.</value>
+        TaskState State { get; }
+
+        /// <summary>
+        /// Gets the current progress.
+        /// </summary>
+        /// <value>The current progress.</value>
+        double? CurrentProgress { get; }
+
+        /// <summary>
+        /// Gets the triggers that define when the task will run
+        /// </summary>
+        /// <value>The triggers.</value>
+        /// <exception cref="ArgumentNullException">value</exception>
+        TaskTriggerInfo[] Triggers { get; set; }
+
+        /// <summary>
+        /// Gets the unique id.
+        /// </summary>
+        /// <value>The unique id.</value>
+        string Id { get; }
+
+        /// <summary>
+        /// Reloads the trigger events.
+        /// </summary>
+        void ReloadTriggerEvents();
+    }
+}
+\ No newline at end of file
diff --git a/MediaBrowser.Model/Tasks/ITaskManager.cs b/MediaBrowser.Model/Tasks/ITaskManager.cs
new file mode 100644
index 0000000000..b6f847febb
--- /dev/null
+++ b/MediaBrowser.Model/Tasks/ITaskManager.cs
@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Events;
+
+namespace MediaBrowser.Model.Tasks
+{
+    public interface ITaskManager : IDisposable
+    {
+        /// <summary>
+        /// Gets the list of Scheduled Tasks
+        /// </summary>
+        /// <value>The scheduled tasks.</value>
+        IScheduledTaskWorker[] ScheduledTasks { get; }
+
+        /// <summary>
+        /// Cancels if running and queue.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="options">Task options.</param>
+        void CancelIfRunningAndQueue<T>(TaskExecutionOptions options)
+            where T : IScheduledTask;
+
+        /// <summary>
+        /// Cancels if running and queue.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        void CancelIfRunningAndQueue<T>()
+            where T : IScheduledTask;
+
+        /// <summary>
+        /// Cancels if running.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        void CancelIfRunning<T>()
+            where T : IScheduledTask;
+
+        /// <summary>
+        /// Queues the scheduled task.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="options">Task options.</param>
+        void QueueScheduledTask<T>(TaskExecutionOptions options)
+            where T : IScheduledTask;
+
+        /// <summary>
+        /// Queues the scheduled task.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        void QueueScheduledTask<T>()
+            where T : IScheduledTask;
+
+        void QueueIfNotRunning<T>()
+            where T : IScheduledTask;
+        
+        /// <summary>
+        /// Queues the scheduled task.
+        /// </summary>
+        /// <param name="task">The task.</param>
+        /// <param name="options">The task run options.</param>
+        void QueueScheduledTask(IScheduledTask task, TaskExecutionOptions options = null);
+
+        /// <summary>
+        /// Adds the tasks.
+        /// </summary>
+        /// <param name="tasks">The tasks.</param>
+        void AddTasks(IEnumerable<IScheduledTask> tasks);
+
+        void Cancel(IScheduledTaskWorker task);
+        Task Execute(IScheduledTaskWorker task, TaskExecutionOptions options = null);
+
+        void Execute<T>()
+            where T : IScheduledTask;
+        
+        event EventHandler<GenericEventArgs<IScheduledTaskWorker>> TaskExecuting;
+        event EventHandler<TaskCompletionEventArgs> TaskCompleted;
+
+        bool SuspendTriggers { get; set; }
+    }
+}
+\ No newline at end of file
diff --git a/MediaBrowser.Model/Tasks/ITaskTrigger.cs b/MediaBrowser.Model/Tasks/ITaskTrigger.cs
new file mode 100644
index 0000000000..3beca569cc
--- /dev/null
+++ b/MediaBrowser.Model/Tasks/ITaskTrigger.cs
@@ -0,0 +1,35 @@
+using System;
+using MediaBrowser.Model.Events;
+using MediaBrowser.Model.Logging;
+
+namespace MediaBrowser.Model.Tasks
+{
+    /// <summary>
+    /// Interface ITaskTrigger
+    /// </summary>
+    public interface ITaskTrigger
+    {
+        /// <summary>
+        /// Fires when the trigger condition is satisfied and the task should run
+        /// </summary>
+        event EventHandler<GenericEventArgs<TaskExecutionOptions>> Triggered;
+
+        /// <summary>
+        /// Stars waiting for the trigger action
+        /// </summary>
+        void Start(TaskResult lastResult, ILogger logger, string taskName, bool isApplicationStartup);
+
+        /// <summary>
+        /// Stops waiting for the trigger action
+        /// </summary>
+        void Stop();
+
+        /// <summary>
+        /// Gets or sets the execution properties of this task.
+        /// </summary>
+        /// <value>
+        /// The execution properties of this task.
+        /// </value>
+        TaskExecutionOptions TaskOptions { get; set; }
+    }
+}
+\ No newline at end of file
diff --git a/MediaBrowser.Model/Tasks/ScheduledTaskHelpers.cs b/MediaBrowser.Model/Tasks/ScheduledTaskHelpers.cs
new file mode 100644
index 0000000000..66f5294e7c
--- /dev/null
+++ b/MediaBrowser.Model/Tasks/ScheduledTaskHelpers.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Linq;
+
+namespace MediaBrowser.Model.Tasks
+{
+    /// <summary>
+    /// Class ScheduledTaskHelpers
+    /// </summary>
+    public static class ScheduledTaskHelpers
+    {
+        /// <summary>
+        /// Gets the task info.
+        /// </summary>
+        /// <param name="task">The task.</param>
+        /// <returns>TaskInfo.</returns>
+        public static TaskInfo GetTaskInfo(IScheduledTaskWorker task)
+        {
+            var isHidden = false;
+
+            var configurableTask = task.ScheduledTask as IConfigurableScheduledTask;
+
+            if (configurableTask != null)
+            {
+                isHidden = configurableTask.IsHidden;
+            }
+
+            string key = task.ScheduledTask.Key;
+
+            var triggers = task.Triggers
+                .OrderBy(i => i.Type)
+                .ThenBy(i => i.DayOfWeek ?? DayOfWeek.Sunday)
+                .ThenBy(i => i.TimeOfDayTicks ?? 0)
+                .ToList();
+
+            return new TaskInfo
+            {
+                Name = task.Name,
+                CurrentProgressPercentage = task.CurrentProgress,
+                State = task.State,
+                Id = task.Id,
+                LastExecutionResult = task.LastExecutionResult,
+
+                Triggers = triggers,
+
+                Description = task.Description,
+                Category = task.Category,
+                IsHidden = isHidden,
+                Key = key
+            };
+        }
+    }
+}
diff --git a/MediaBrowser.Model/Tasks/TaskCompletionEventArgs.cs b/MediaBrowser.Model/Tasks/TaskCompletionEventArgs.cs
new file mode 100644
index 0000000000..be9eaa613d
--- /dev/null
+++ b/MediaBrowser.Model/Tasks/TaskCompletionEventArgs.cs
@@ -0,0 +1,11 @@
+using System;
+
+namespace MediaBrowser.Model.Tasks
+{
+    public class TaskCompletionEventArgs : EventArgs
+    {
+        public IScheduledTaskWorker Task { get; set; }
+
+        public TaskResult Result { get; set; }
+    }
+}
diff --git a/MediaBrowser.Model/Tasks/TaskExecutionOptions.cs b/MediaBrowser.Model/Tasks/TaskExecutionOptions.cs
new file mode 100644
index 0000000000..faba35b222
--- /dev/null
+++ b/MediaBrowser.Model/Tasks/TaskExecutionOptions.cs
@@ -0,0 +1,11 @@
+
+namespace MediaBrowser.Model.Tasks
+{
+    /// <summary>
+    /// A class that encomposases all common task run properties.
+    /// </summary>
+    public class TaskExecutionOptions
+    {
+        public int? MaxRuntimeMs { get; set; }
+    }
+}
diff --git a/MediaBrowser.Model/Tasks/TaskTriggerInfo.cs b/MediaBrowser.Model/Tasks/TaskTriggerInfo.cs
index aacd56e655..69578c41d0 100644
--- a/MediaBrowser.Model/Tasks/TaskTriggerInfo.cs
+++ b/MediaBrowser.Model/Tasks/TaskTriggerInfo.cs
@@ -42,5 +42,11 @@ namespace MediaBrowser.Model.Tasks
         /// </summary>
         /// <value>The maximum runtime ms.</value>
         public int? MaxRuntimeMs { get; set; }
+
+        public const string TriggerDaily = "DailyTrigger";
+        public const string TriggerWeekly = "WeeklyTrigger";
+        public const string TriggerInterval = "IntervalTrigger";
+        public const string TriggerSystemEvent = "SystemEventTrigger";
+        public const string TriggerStartup = "StartupTrigger";
     }
 }