Initial import

web/Admin/DataManager.cs

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+using System;
+using System.Diagnostics;
+using System.IO;
+using yavscModel.Admin;
+using Npgsql.Web.Blog;
+
+namespace Yavsc.Admin
+{
+	public class DataManager
+	{
+		DataAccess da; 
+		public DataManager (DataAccess datac)
+		{
+			da = datac;
+		}
+
+		public Export CreateBackup ()
+		{
+			Environment.SetEnvironmentVariable("PGPASSWORD", da.Password);
+			Export e = new Export ();
+			string fileName = da.BackupPrefix + "-" + DateTime.Now.ToString ("yyyyMMdd");
+			FileInfo ofi = new FileInfo (fileName);
+			e.FileName = ofi.FullName;
+			Exec ("pg_dump", string.Format (
+					"-wb -Z3 -f {0} -Fd -h {1} -U {2} -p {3} {4}",
+				fileName, da.Host, da.Dbuser, da.Port, da.Dbname ),e);
+			return e;
+		} 
+
+		private void Exec(string name, string args, TaskOutput output)
+		{
+			ProcessStartInfo Pinfo = 
+				new ProcessStartInfo (name,args);
+			Pinfo.RedirectStandardError = true;
+			Pinfo.RedirectStandardOutput = true;
+			Pinfo.CreateNoWindow = true;
+			Pinfo.UseShellExecute = false;
+			using (Process p = new Process ()) {
+				p.EnableRaisingEvents = true;
+				p.StartInfo = Pinfo;
+				p.Start ();
+				p.WaitForExit ();
+				output.Error = p.StandardError.ReadToEnd ();
+				output.Message = p.StandardOutput.ReadToEnd ();
+				output.ExitCode = p.ExitCode;
+				p.Close ();
+			}
+		}
+		public TaskOutput Restore (string fileName, bool dataOnly)
+		{
+			Environment.SetEnvironmentVariable("PGPASSWORD", da.Password);
+			var t = new TaskOutput ();
+			Exec ("pg_restore", (dataOnly?"-a ":"")+string.Format ( 
+				"-1 -w -Fd -O -h {0} -U {1} -p {2} -d {3} {4}",
+				da.Host, da.Dbuser, da.Port, da.Dbname, fileName ),t);
+			return t;
+		}
+		public TaskOutput CreateDb ()
+		{
+			return Restore ("freshinstall", false);
+		}
+		public Export TagBackup (string filename, string [] tags)
+		{
+			/* FileInfo fi = new FileInfo (filename);
+			using (FileStream s = fi.OpenWrite ()) {
+
+			} */
+				throw new NotImplementedException ();
+		}
+		public TaskOutput TagRestore (string fileName)
+		{
+			Environment.SetEnvironmentVariable ("PGPASSWORD", da.Password);
+			var t = new TaskOutput ();
+			Exec ("pg_restore", string.Format ( 
+				"-a -w -Fd -O -h {0} -U {1} -p {2} -d {3} {4}",
+				da.Host, da.Dbuser, da.Port, da.Dbname, fileName ),t);
+			return t;
+		}
+	}
+}
+

web/Admin/Export.cs

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+using System;
+using System.ComponentModel;
+
+namespace Yavsc.Admin
+{
+	public class Export: TaskOutput
+	{
+		public Export ()
+		{
+		}
+		public string FileName { get; set; }
+	}
+}
+

web/Admin/TaskOutput.cs

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+using System;
+using System.ComponentModel;
+
+namespace Yavsc.Admin
+{
+	public class TaskOutput {
+		public string Message { get; set; }
+		public string Error { get; set; }
+		public int ExitCode { get; set; }
+	}
+	
+}