add Job Tasks to enable the execution of adhoc asynchronous site-based workloads

Oqtane.Client/Services/JobTaskService.cs

@@ -0,0 +1,46 @@
+using Oqtane.Models;
+using System.Threading.Tasks;
+using System.Net.Http;
+using Oqtane.Documentation;
+using Oqtane.Shared;
+
+namespace Oqtane.Services
+{
+    /// <summary>
+    /// Service to manage tasks (<see cref="JobTask"/>)
+    /// </summary>
+    public interface IJobTaskService
+    {
+        /// <summary>
+        /// Return a specific task
+        /// </summary>
+        /// <param name="jobTaskId"></param>
+        /// <returns></returns>
+        Task<JobTask> GetJobTaskAsync(int jobTaskId);
+
+        /// <summary>
+        /// Adds a new task
+        /// </summary>
+        /// <param name="jobTask"></param>
+        /// <returns></returns>
+        Task<JobTask> AddJobTaskAsync(JobTask jobTask);
+    }
+
+    [PrivateApi("Don't show in the documentation, as everything should use the Interface")]
+    public class JobTaskService : ServiceBase, IJobTaskService
+    {
+        public JobTaskService(HttpClient http, SiteState siteState) : base(http, siteState) { }
+
+        private string Apiurl => CreateApiUrl("JobTask");
+
+        public async Task<JobTask> GetJobTaskAsync(int jobTaskId)
+        {
+            return await GetJsonAsync<JobTask>($"{Apiurl}/{jobTaskId}");
+        }
+
+        public async Task<JobTask> AddJobTaskAsync(JobTask jobTask)
+        {
+            return await PostJsonAsync<JobTask>(Apiurl, jobTask);
+        }
+    }
+}