Feature #33: Enhanced Device Importing

Dynamic device importing. better input parsing and 5 additional import
fields.

Disco.Services/Devices/Importing/DeviceImportApplyTask.cs

@@ -0,0 +1,41 @@
+using Disco.Data.Repository;
+using Disco.Services.Tasks;
+using Quartz;
+using System;
+
+namespace Disco.Services.Devices.Importing
+{
+    public class DeviceImportApplyTask : ScheduledTask
+    {
+        private const string JobDataMapContext = "Context";
+
+        public override string TaskName { get { return "Import Devices - Applying Changes"; } }
+        public override bool SingleInstanceTask { get { return false; } }
+        public override bool CancelInitiallySupported { get { return false; } }
+
+        public static ScheduledTaskStatus ScheduleNow(DeviceImportContext Context)
+        {
+            if (Context == null)
+                throw new ArgumentNullException("Context");
+
+            // Build Data Map
+            var task = new DeviceImportApplyTask();
+            JobDataMap taskData = new JobDataMap() { { JobDataMapContext, Context } };
+
+            // Schedule Task
+            return task.ScheduleTask(taskData);
+        }
+
+        protected override void ExecuteTask()
+        {
+            var context = (DeviceImportContext)this.ExecutionContext.JobDetail.JobDataMap[JobDataMapContext];
+
+            using (DiscoDataContext Database = new DiscoDataContext())
+            {
+                context.AffectedRecords = context.ApplyRecords(Database, this.Status);
+            }
+
+            Status.SetFinishedMessage(string.Format("Successfully imported/updated {0} device{1}", context.AffectedRecords, context.AffectedRecords == 1 ? null : "s"));
+        }
+    }
+}