Backup in-progress work (#347)

* Initial checkin of backup service implementation

* Backup initial changes for the quick scenario

* misc changes

* Misc changes for backup in-progress work

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/BackupInfo.cs

@@ -3,10 +3,57 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+using System.Collections;
+using System.Collections.Generic;
+
 namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery.Contracts
 {    
     public class BackupInfo
     {
-        public string BackupType { get; set; }
+        /// <summary>
+        /// Name of the datbase to perfom backup
+        /// </summary>
+        public string DatabaseName { get; set; }
+        
+        /// <summary>
+        /// Component to backup - Database or Files
+        /// </summary>
+        public int BackupComponent { get; set; }
+
+        /// <summary>
+        /// Type of backup - Full/Differential/Log
+        /// </summary>
+        public int BackupType { get; set; }
+
+        /// <summary>
+        /// Backup device - Disk, Url, etc.
+        /// </summary>
+        public int BackupDeviceType { get; set; }
+
+        /// <summary>
+        /// The text input of selected files
+        /// </summary>
+        public string SelectedFiles { get; set; }
+
+        /// <summary>
+        /// Backupset name
+        /// </summary>
+        public string BackupsetName { get; set; }
+
+        /// <summary>
+        /// List of selected file groups
+        /// </summary>
+        public Dictionary<string, string> SelectedFileGroup { get; set; }
+
+        /// <summary>
+        /// List of {key: backup path, value: device type}
+        /// </summary>        
+        public Dictionary<string, int> arChangesList { get; set; }
+        
+        /// <summary>
+        /// List of selected backup paths
+        /// </summary>        
+        public ArrayList BackupPathList { get; set; }
+        
     }
 }