[DB] Better reporting database scan results (skipped, import errors)

src/database-updater/DatabaseUpdater.cpp

@@ -245,9 +245,10 @@ Updater::process(boost::system::error_code err)
 			LMS_LOG(DBUPDATER, INFO) << "Processing root directory '" << rootDirectory.path << "' DONE";
 		}
 
+		if (_running)
 			checkDuplicatedAudioFiles(stats);
 
-		LMS_LOG(DBUPDATER, INFO) << "Scan complete. Changes = " << stats.nbChanges() << " (added = " << stats.nbAdded << ", nbRemoved = " << stats.nbRemoved << ", nbModified = " << stats.nbModified << "), Errors = " << stats.nbScanErrors;
+		LMS_LOG(DBUPDATER, INFO) << "Scan complete. Scanned = " << stats.nbScanned << ", Skipped = " << stats.nbSkipped << ", Changes = " << stats.nbChanges() << " (added = " << stats.nbAdded << ", nbRemoved = " << stats.nbRemoved << ", nbModified = " << stats.nbModified << "), Scan errors = " << stats.nbScanErrors << ", Not imported = " << stats.nbNotImported;
 
 		// Update database stats
 		boost::posix_time::ptime now = boost::posix_time::second_clock::local_time();
@@ -384,14 +385,18 @@ Updater::processAudioFile( const boost::filesystem::path& file, Stats& stats)
 	boost::posix_time::ptime lastWriteTime (boost::posix_time::from_time_t( boost::filesystem::last_write_time( file ) ) );
 
 	// Skip file if last write is the same
+	// We chose not to compare
 	{
 		Wt::Dbo::Transaction transaction(_db.getSession());
 
 		Wt::Dbo::ptr<Track> track = Track::getByPath(_db.getSession(), file);
 
 		if (track && track->getLastWriteTime() == lastWriteTime)
+		{
+			stats.nbSkipped++;
 			return;
 		}
+	}
 
 	MetaData::Items items;
 	if (!_metadataParser.parse(file, items))
@@ -400,6 +405,8 @@ Updater::processAudioFile( const boost::filesystem::path& file, Stats& stats)
 		return;
 	}
 
+	stats.nbScanned++;
+
 	std::vector<unsigned char> checksum ;
 	computeCrc(file, checksum);
 
@@ -421,7 +428,7 @@ Updater::processAudioFile( const boost::filesystem::path& file, Stats& stats)
 			track.remove();
 			stats.nbRemoved++;
 		}
-		stats.nbScanErrors++;
+		stats.nbNotImported++;
 		return;
 	}
 	if (items.find(MetaData::Type::Duration) == items.end()
@@ -435,13 +442,14 @@ Updater::processAudioFile( const boost::filesystem::path& file, Stats& stats)
 			track.remove();
 			stats.nbRemoved++;
 		}
-		stats.nbScanErrors++;
+		stats.nbNotImported++;
 		return;
 	}
 
 	// ***** Title
 	std::string title;
-	if (items.find(MetaData::Type::Title) != items.end()) {
+	if (items.find(MetaData::Type::Title) != items.end())
+	{
 		title = boost::any_cast<std::string>(items[MetaData::Type::Title]);
 	}
 	else
@@ -451,7 +459,6 @@ Updater::processAudioFile( const boost::filesystem::path& file, Stats& stats)
 		title = file.filename().string();
 	}
 
-
 	// ***** Genres
 	std::vector< Genre::pointer > genres;
 	{
@@ -781,11 +788,10 @@ Updater::checkVideoFiles( Stats& stats )
 
 	LMS_LOG(DBUPDATER, DEBUG) << "Check video files done!";
 }
+
 void
 Updater::processVideoFile( const boost::filesystem::path& file, Stats& stats)
 {
-	try {
-
 	// Check last update time
 	boost::posix_time::ptime lastWriteTime (boost::posix_time::from_time_t( boost::filesystem::last_write_time( file ) ) );
 
@@ -797,7 +803,8 @@ Updater::processVideoFile( const boost::filesystem::path& file, Stats& stats)
 		return;
 
 	MetaData::Items items;
-		_metadataParser.parse(file, items);
+	if (!_metadataParser.parse(file, items))
+		return;
 
 	// We estimate this is a video if:
 	// - we found a least one video stream
@@ -850,11 +857,5 @@ Updater::processVideoFile( const boost::filesystem::path& file, Stats& stats)
 
 	transaction.commit();
 }
-	catch( std::exception& e )
-	{
-		LMS_LOG(DBUPDATER, ERROR) << "Exception while parsing video file : '" << file << "': '" << e.what() << "' => skipping!";
-		stats.nbScanErrors++;
-	}
-}
 
 } // namespace DatabaseUpdater

src/database-updater/DatabaseUpdater.hpp

@@ -44,10 +44,13 @@ class Updater
 
 		struct Stats
 		{
+			std::size_t	nbSkipped = 0;		// no change since last scan
+			std::size_t	nbScanned = 0;
+			std::size_t	nbScanErrors = 0;	// cannot scan file
+			std::size_t	nbNotImported = 0;	// Not imported (criteria not filled)
 			std::size_t	nbAdded = 0;
 			std::size_t	nbRemoved = 0;
 			std::size_t	nbModified = 0;
-			std::size_t	nbScanErrors = 0;
 
 			std::size_t nbChanges() const { return nbAdded + nbRemoved + nbModified;}
 		};