added date of newest recording in a folder

HISTORY

@@ -26,3 +26,4 @@ Version 0.0.2
 - added setup option to choose Menu Item display method between "at one go" and "after one another"
 - fixed bug that new skin was not properly loaded sometimes when skin was changed in OSD Setup menu
 - fixed bug that new font was displayed first after VDR restart when font was changed in OSD Setup menu
+- added date of newest recording in a folder, thanks@ Lars Hanisch for providing the patch

Makefile

@@ -75,6 +75,7 @@ OBJS = $(PLUGIN).o \
        libcore/imagescaler.o \
        libcore/helpers.o \
        libcore/imageloader.o \
+       libcore/recfolderinfo.o \
        libcore/timers.o \
        libtemplate/globals.o \
        libtemplate/parameter.o \

config.h

@@ -9,6 +9,7 @@
 #include <vdr/plugin.h>
 #include "libcore/fontmanager.h"
 #include "libcore/imagecache.h"
+#include "libcore/recfolderinfo.h"
 
 class cDesignerConfig {
 private:
@@ -67,12 +68,14 @@ public:
     cFontManager *fontManager = NULL;
     cImageCache *imgCache = NULL;
     cTheme Theme;
+    cRecordingsFolderInfo recFolderInfo(Recordings);
 #else
     extern bool firstDisplay;
     extern cDesignerConfig config;
     extern cFontManager *fontManager;
     extern cImageCache *imgCache;
     extern cTheme Theme;
+    extern cRecordingsFolderInfo recFolderInfo;
 #endif
 
 #endif //__DESIGNER_CONFIG_H

libcore/recfolderinfo.c

@@ -0,0 +1,201 @@
+#include "recfolderinfo.h"
+
+
+class cFolderInfoInternList;
+
+class cRecordingsFolderInfo::cFolderInfoIntern:public cListObject {
+private:
+  cFolderInfoIntern         *_parent;
+  cList<cFolderInfoIntern>  *_subFolders;
+
+  cString   _name;
+  time_t    _latest;
+  int       _count;
+
+  void UpdateData(cRecording *Recording);
+  cFolderInfoIntern *FindSubFolder(const char *Name) const;
+
+public:
+  cFolderInfoIntern(cFolderInfoIntern *Parent, const char *Name);
+  virtual ~cFolderInfoIntern(void);
+
+  // split Name and find folder-info in tree
+  // if "Add", missing folders are created
+  cFolderInfoIntern *Find(const char *Name, bool Add);
+
+  void Add(cRecording *Recording);
+
+  cRecordingsFolderInfo::cFolderInfo *GetInfo(void) const;
+
+  cString FullName(void) const;
+  cString ToText(void) const;
+  cString DebugOutput(void) const;
+};
+
+
+cRecordingsFolderInfo::cFolderInfo::cFolderInfo(const char *Name, const char *FullName, time_t Latest, int Count)
+{
+  this->Name = Name;
+  this->FullName = FullName;
+  this->Latest = Latest;
+  this->Count = Count;
+}
+
+
+cRecordingsFolderInfo::cRecordingsFolderInfo(cRecordings &Recordings)
+:_recordings(Recordings)
+,_root(NULL)
+{
+  Rebuild();
+}
+
+cRecordingsFolderInfo::~cRecordingsFolderInfo(void)
+{
+  delete _root;
+  _root = NULL;
+}
+
+void cRecordingsFolderInfo::Rebuild(void)
+{
+  delete _root;
+  _root = new cFolderInfoIntern(NULL, "");
+
+  cThreadLock RecordingsLock(&_recordings);
+  // re-get state with lock held
+  _recordings.StateChanged(_recState);
+  cFolderInfoIntern *info;
+  for (cRecording *rec = _recordings.First(); rec; rec = _recordings.Next(rec)) {
+      info = _root->Find(*rec->Folder(), true);
+      info->Add(rec);
+      }
+}
+
+cRecordingsFolderInfo::cFolderInfo  *cRecordingsFolderInfo::Get(const char *Folder)
+{
+  cMutexLock lock(&_rootLock);
+
+  if (_recordings.StateChanged(_recState) || (_root == NULL))
+     Rebuild();
+
+  cFolderInfoIntern *info = _root->Find(Folder, false);
+  if (info == NULL)
+     return NULL;
+
+  return info->GetInfo();
+}
+
+cString cRecordingsFolderInfo::DebugOutput(void) const
+{
+  cMutexLock lock(&_rootLock);
+
+  return _root->DebugOutput();
+}
+
+
+cRecordingsFolderInfo::cFolderInfoIntern::cFolderInfoIntern(cFolderInfoIntern *Parent, const char *Name)
+:_parent(Parent)
+,_name(Name)
+,_latest(0)
+,_count(0)
+{
+  _subFolders = new cList<cFolderInfoIntern>();
+}
+
+cRecordingsFolderInfo::cFolderInfoIntern::~cFolderInfoIntern(void)
+{
+  delete _subFolders;
+  _subFolders = NULL;
+}
+
+cRecordingsFolderInfo::cFolderInfoIntern *cRecordingsFolderInfo::cFolderInfoIntern::Find(const char *Name, bool Add)
+{
+  cFolderInfoIntern *info = NULL;
+  if (Add)
+     info = this;
+
+  if (Name && *Name) {
+     static char delim[2] = { FOLDERDELIMCHAR, 0 };
+     char *strtok_next;
+     cFolderInfoIntern *next;
+     char *folder = strdup(Name);
+     info = this;
+     for (char *t = strtok_r(folder, delim, &strtok_next); t; t = strtok_r(NULL, delim, &strtok_next)) {
+         next = info->FindSubFolder(t);
+         if (next == NULL) {
+            if (!Add) {
+               info = NULL;
+               break;
+               }
+
+            next = new cFolderInfoIntern(info, t);
+            info->_subFolders->Add(next);
+            }
+         info = next;
+         }
+     free(folder);
+     }
+
+  return info;
+}
+
+void cRecordingsFolderInfo::cFolderInfoIntern::UpdateData(cRecording *Recording)
+{
+  // count every recording
+  _count++;
+
+  // update date if newer
+  time_t recdate = Recording->Start();
+  if (_latest < recdate)
+     _latest = recdate;
+}
+
+cRecordingsFolderInfo::cFolderInfoIntern *cRecordingsFolderInfo::cFolderInfoIntern::FindSubFolder(const char *Name) const
+{
+  for (cRecordingsFolderInfo::cFolderInfoIntern *info = _subFolders->First(); info; info = _subFolders->Next(info)) {
+      if (strcmp(info->_name, Name) == 0)
+         return info;
+      }
+  return NULL;
+}
+
+void cRecordingsFolderInfo::cFolderInfoIntern::Add(cRecording *Recording)
+{
+  if (Recording == NULL)
+     return;
+
+  // update this and all parent folders
+  for (cFolderInfoIntern *p = this; p; p = p->_parent)
+     p->UpdateData(Recording);
+}
+
+cRecordingsFolderInfo::cFolderInfo *cRecordingsFolderInfo::cFolderInfoIntern::GetInfo(void) const
+{
+  return new cRecordingsFolderInfo::cFolderInfo(*_name, *FullName(), _latest, _count);
+}
+
+cString cRecordingsFolderInfo::cFolderInfoIntern::FullName(void) const
+{
+  static char delim[2] = { FOLDERDELIMCHAR, 0 };
+
+  cString name = _name;
+  for (cFolderInfoIntern *p = _parent; p; p = p->_parent) {
+      // don't add FOLDERDELIMCHAR at start of FullName
+      if (p->_parent == NULL)
+         break;
+      name = cString::sprintf("%s%s%s", *p->_name, delim, *name);
+      }
+  return name;
+}
+
+cString cRecordingsFolderInfo::cFolderInfoIntern::ToText(void) const
+{
+  return cString::sprintf("%s (%d recordings, latest: %s)\n", *FullName(), _count, *ShortDateString(_latest));
+}
+
+cString cRecordingsFolderInfo::cFolderInfoIntern::DebugOutput(void) const
+{
+  cString output = ToText();
+  for (cFolderInfoIntern *i = _subFolders->First(); i; i = _subFolders->Next(i))
+      output = cString::sprintf("%s%s", *output, *i->DebugOutput());
+  return output;
+}

libcore/recfolderinfo.h

@@ -0,0 +1,42 @@
+#ifndef __RECFOLDERINFO_H
+#define __RECFOLDERINFO_H
+
+#include <vdr/recording.h>
+
+
+class cRecordingsFolderInfo {
+public:
+  class cFolderInfoIntern;
+
+private:
+  cRecordings        &_recordings;
+  int                 _recState;
+  cFolderInfoIntern  *_root;
+  mutable cMutex      _rootLock;
+
+  void Rebuild(void);
+
+public:
+  class cFolderInfo {
+  public:
+    cString Name;
+    cString FullName;
+    time_t  Latest;
+    int     Count;
+
+    cFolderInfo(const char *Name, const char *FullName, time_t Latest, int Count);
+  };
+
+  cRecordingsFolderInfo(cRecordings &Recordings);
+  ~cRecordingsFolderInfo(void);
+
+  // caller must delete the cInfo object!
+  // returns NULL if folder doesn't exists
+  // will rebuild tree if recordings' state has changed
+  // is thread-safe
+  cFolderInfo  *Get(const char *Folder);
+
+  cString DebugOutput(void) const;
+};
+
+#endif // __RECFOLDERINFO_H

views/displaymenuitemcurrentview.c

@@ -1,5 +1,6 @@
 #include "../services/scraper2vdr.h"
 #include "../libcore/helpers.h"
+#include "../libcore/recfolderinfo.h"
 #include "displaymenuitemcurrentview.h"
 
 
@@ -508,12 +509,20 @@ void cDisplayMenuItemCurrentRecordingView::Render(void) {
 
     string name = recording->Name() ? recording->Name() : "";
     string buffer = "";
+    stringstream folderName;
     try {
         vector<string> tokens;
         istringstream f(name.c_str());
         string s;
+        int i=0;
         while (getline(f, s, FOLDERDELIMCHAR)) {
             tokens.push_back(s);
+            if (isFolder && i <= level) {
+                if (i > 0)
+                    folderName << FOLDERDELIMCHAR;
+                folderName << s;
+                i++;
+            }
         }
         buffer = tokens.at(level);
         if (!isFolder && recording->IsEdited()) {
@@ -539,13 +548,24 @@ void cDisplayMenuItemCurrentRecordingView::Render(void) {
     const cEvent *event = info->GetEvent();
     if (!event) return;
 
-    string recDate = *(event->GetDateString());
-    string recTime = *(event->GetTimeString());
+    string recDate = "";
+    string recTime = "";
+
+    if (isFolder) {
+        cRecordingsFolderInfo::cFolderInfo *folderInfo = recFolderInfo.Get(folderName.str().c_str());
+        if (folderInfo) {
+            recDate = *DateString(folderInfo->Latest);
+            recTime = *TimeString(folderInfo->Latest);
+        }
+    } else {
+        recDate = *(event->GetDateString());
+        recTime = *(event->GetTimeString());
         if (recDate.find("1970") != string::npos) {
             time_t start = recording->Start();
             recDate = *DateString(start);
             recTime = *TimeString(start);
         }
+    }
 
     time_t startTime = event->StartTime();
     struct tm * sStartTime = localtime(&startTime);

views/displaymenuitemview.c

@@ -2,6 +2,7 @@
 #include "../services/scraper2vdr.h"
 #include "../config.h"
 #include "../libcore/helpers.h"
+#include "../libcore/recfolderinfo.h"
 #include <sstream>
 #include <algorithm>
 
@@ -611,12 +612,20 @@ void cDisplayMenuItemRecordingView::SetTokens(void) {
 
     string name = recording->Name() ? recording->Name() : "";
     string buffer = "";
+    stringstream folderName;
     try {
         vector<string> tokens;
         istringstream f(name.c_str());
         string s;
+        int i=0;
         while (getline(f, s, FOLDERDELIMCHAR)) {
             tokens.push_back(s);
+            if (isFolder && i <= level) {
+                if (i > 0)
+                    folderName << FOLDERDELIMCHAR;
+                folderName << s;
+                i++;
+            }
         }
         buffer = tokens.at(level);
         if (!isFolder && recording->IsEdited()) {
@@ -625,6 +634,7 @@ void cDisplayMenuItemRecordingView::SetTokens(void) {
     } catch (...) {
         buffer = name.c_str();
     }
+
     stringTokens.insert(pair<string,string>("name", buffer.c_str()));
     intTokens.insert(pair<string,int>("new", recording->IsNew()));
     intTokens.insert(pair<string,int>("newrecordingsfolder", newRecs));
@@ -637,13 +647,25 @@ void cDisplayMenuItemRecordingView::SetTokens(void) {
     event = info->GetEvent();
     if (!event) return;
 
-    string recDate = *(event->GetDateString());
-    string recTime = *(event->GetTimeString());
+
+    string recDate = "";
+    string recTime = "";
+
+    if (isFolder) {
+        cRecordingsFolderInfo::cFolderInfo *folderInfo = recFolderInfo.Get(folderName.str().c_str());
+        if (folderInfo) {
+            recDate = *DateString(folderInfo->Latest);
+            recTime = *TimeString(folderInfo->Latest);
+        }
+    } else {
+        recDate = *(event->GetDateString());
+        recTime = *(event->GetTimeString());
         if (recDate.find("1970") != string::npos) {
             time_t start = recording->Start();
             recDate = *DateString(start);
             recTime = *TimeString(start);
         }
+    }
 
     time_t startTime = event->StartTime();
     struct tm * sStartTime = localtime(&startTime);