Using task metadata as an attribute

Kyoo.Common/Models/Attributes/InjectedAttribute.cs

@@ -8,8 +8,8 @@ namespace Kyoo.Models.Attributes
 	/// An attribute to inform that the service will be injected automatically by a service provider.
 	/// </summary>
 	/// <remarks>
-	/// It should only be used on <see cref="ITask"/> and will be injected before calling <see cref="ITask.Run"/>.
-	/// It can also be used on <see cref="IPlugin"/> and it will be injected before calling <see cref="IPlugin.ConfigureAspNet"/>.
+	/// It should only be used on <see cref="IPlugin"/> and it will be injected before
+	/// calling <see cref="IPlugin.ConfigureAspNet"/>.
 	/// </remarks>
 	[AttributeUsage(AttributeTargets.Property)]
 	[MeansImplicitUse(ImplicitUseKindFlags.Assign)]

Kyoo.Common/Models/Attributes/TaskMetadataAttribute.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using Kyoo.Controllers;
+
+namespace Kyoo.Common.Models.Attributes
+{
+	/// <summary>
+	/// An attribute to inform how a <see cref="IFileSystem"/> works.
+	/// </summary>
+	[MetadataAttribute]
+	[AttributeUsage(AttributeTargets.Class)]
+	public class TaskMetadataAttribute : Attribute
+	{
+		/// <summary>
+		/// The slug of the task, used to start it.
+		/// </summary>
+		public string Slug { get; }
+		
+		/// <summary>
+		/// The name of the task that will be displayed to the user.
+		/// </summary>
+		public string Name { get; }
+		
+		/// <summary>
+		/// A quick description of what this task will do.
+		/// </summary>
+		public string Description { get; }
+
+		/// <summary>
+		/// Should this task be automatically run at app startup?
+		/// </summary>
+		public bool RunOnStartup { get; set; }
+		
+		/// <summary>
+		/// The priority of this task. Only used if <see cref="RunOnStartup"/> is true.
+		/// It allow one to specify witch task will be started first as tasked are run on a Priority's descending order.
+		/// </summary>
+		public int Priority { get; set; }
+		
+		/// <summary>
+		/// <c>true</c> if this task should not be displayed to the user, <c>false</c> otherwise.
+		/// </summary>
+		public bool IsHidden { get; set; }
+		
+
+		/// <summary>
+		/// Create a new <see cref="TaskMetadataAttribute"/> with the given slug, name and description.
+		/// </summary>
+		/// <param name="slug">The slug of the task, used to start it.</param>
+		/// <param name="name">The name of the task that will be displayed to the user.</param>
+		/// <param name="description">A quick description of what this task will do.</param>
+		public TaskMetadataAttribute(string slug, string name, string description)
+		{
+			Slug = slug;
+			Name = name;
+			Description = description;
+		}
+		
+		/// <summary>
+		/// Create a new <see cref="TaskMetadataAttribute"/> using a dictionary of metadata.
+		/// </summary>
+		/// <param name="metadata">
+		/// The dictionary of metadata. This method expect the dictionary to contain a field
+		/// per property in this attribute, with the same types as the properties of this attribute.
+		/// </param>
+		public TaskMetadataAttribute(IDictionary<string, object> metadata)
+		{
+			Slug = (string)metadata[nameof(Slug)];
+			Name = (string)metadata[nameof(Name)];
+			Description = (string)metadata[nameof(Description)];
+			RunOnStartup = (bool)metadata[nameof(RunOnStartup)];
+			Priority = (int)metadata[nameof(Priority)];
+			IsHidden = (bool)metadata[nameof(IsHidden)];
+		}
+	}
+}