Added cRecording::Undelete()

CONTRIBUTORS

@@ -1966,6 +1966,7 @@ Markus Hahn <mhahn@reel-multimedia.com>
  while editing a string item
  for fixing detection of Premiere NVOD channel links
  for making the default copy ctor of cRecording private
+ for a patch that was used to implement cRecording::Undelete()
 
 Jaroslaw Swierczynski <swiergot@gmail.com>
  for updating the Polish OSD texts and the fontosd-iso8859-2.c file

HISTORY

@@ -5483,3 +5483,4 @@ Video Disk Recorder Revision History
   (suggested by Thomas Günther).
 - Made the default copy ctor of cRecording private (thanks to Markus Hahn).
   Same for the assign operator.
+- Added cRecording::Undelete() (based on a patch from Markus Hahn).

recording.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 1.155 2007/10/12 14:48:20 kls Exp $
+ * $Id: recording.c 1.156 2007/10/14 10:21:54 kls Exp $
  */
 
 #include "recording.h"
@@ -829,6 +829,32 @@ bool cRecording::Remove(void)
   return RemoveVideoFile(FileName());
 }
 
+bool cRecording::Undelete(void)
+{
+  bool result = true;
+  char *NewName = strdup(FileName());
+  char *ext = strrchr(NewName, '.');
+  if (ext && strcmp(ext, DELEXT) == 0) {
+     strncpy(ext, RECEXT, strlen(ext));
+     if (access(NewName, F_OK) == 0) {
+        // the new name already exists, so let's not remove that one:
+        esyslog("ERROR: attempt to undelete '%s', while recording '%s' exists", FileName(), NewName);
+        result = false;
+        }
+     else {
+        isyslog("undeleting recording '%s'", FileName());
+        if (access(FileName(), F_OK) == 0)
+           result = RenameVideoFile(FileName(), NewName);
+        else {
+           isyslog("deleted recording '%s' vanished", FileName());
+           result = false;
+           }
+        }
+     }
+  free(NewName);
+  return result;
+}
+
 void cRecording::ResetResume(void) const
 {
   resume = RESUME_NOT_INITIALIZED;

recording.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.h 1.58 2007/10/14 10:06:48 kls Exp $
+ * $Id: recording.h 1.59 2007/10/14 10:11:34 kls Exp $
  */
 
 #ifndef __RECORDING_H
@@ -102,6 +102,10 @@ public:
   bool Remove(void);
        // Actually removes the file from the disk
        // Returns false in case of error
+  bool Undelete(void);
+       // Changes the file name so that it will be visible in the "Recordings" menu again and
+       // not processed by cRemoveDeletedRecordingsThread.
+       // Returns false in case of error
   };
 
 class cRecordings : public cList<cRecording>, public cThread {