PROMS/Volian.Base.Library/TmpFile.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+
+namespace Volian.Base.Library
+{
+	public static class TmpFile
+	{
+		public static void RemoveAllTmps()
+		{
+			RemoveTmpPDFs();
+			RemoveTmpDocs();
+			RemoveTmps("*.png");
+		}
+		public static void RemoveTmpPDFs()
+		{
+			string tmpFolder = VlnSettings.TemporaryFolder;
+			DirectoryInfo di = new DirectoryInfo(tmpFolder);
+			if (!di.Exists) return;
+			foreach (FileInfo fi in di.GetFiles("*.pdf"))
+			{
+				try
+				{
+					// only delete pdfs if they are older than an hour - just to be
+					// safe.  During creation of pdf's, separate pdfs are created for
+					// word sections and imported into the main resulting pdf.
+					if (fi.LastAccessTime.Ticks > (DateTime.Now.Ticks - TimeSpan.TicksPerHour))
+						fi.Delete();
+				}
+				catch (Exception ex)
+				{
+					continue;   // if an error, go onto next file.
+				}
+			}
+
+		}
+		public static void RemoveTmpDocs()
+		{
+			RemoveTmps("*.doc");
+		}
+
+		private static void RemoveTmps(string extension)
+		{
+			string tmpFolder = VlnSettings.TemporaryFolder;
+			DirectoryInfo di = new DirectoryInfo(tmpFolder);
+			if (!di.Exists) return;
+			foreach (FileInfo fi in di.GetFiles(extension))
+			{
+				try
+				{
+					// delete any docs.  If it fails, just go on to the next one becase
+					// it may be open from another process.
+					fi.Delete();
+				}
+				catch (Exception ex)
+				{
+					continue;   // if an error, go onto next file.
+				}
+			}
+		}
+	}
+}