shared: Begin Indexer

shared/indexer.h

@@ -0,0 +1,86 @@
+#ifndef INDEXER_H
+#define INDEXER_H
+#include <QVector>
+#include <QObject>
+#include "sqlitedbservice.h"
+#include "paralleldirscanner.h"
+#include "filescanworker.h"
+
+class IndexResult
+{
+  public:
+	QDateTime begin;
+	QDateTime end;
+	QVector<FileScanResult> results;
+
+	unsigned int addedPaths = 0;
+	unsigned int skippedPaths = 0;
+	unsigned int erroredPaths = 0;
+
+	unsigned int total()
+	{
+		return addedPaths + skippedPaths + erroredPaths;
+	}
+
+	QVector<QString> failedPaths() const
+	{
+		QVector<QString> result;
+		std::for_each(results.begin(), results.end(),
+					  [&result](FileScanResult res)
+					  {
+						  if(res.second == DBFAIL || res.second == PROCESSFAIL || res.second == NOTFOUND)
+						  {
+							  result.append(res.first);
+						  }
+					  });
+		return result;
+	}
+};
+
+class Indexer : public QObject
+{
+	Q_OBJECT
+  protected:
+	bool verbose = false;
+	bool keepGoing = true;
+	SqliteDbService *db;
+
+	int progressReportThreshold = 50;
+	int currentScanProcessedCount = 0;
+	int runningWorkers = 0;
+
+	QVector<QString> pathsToScan;
+	QSharedPointer<ParallelDirScanner> dirScanner;
+	QSharedPointer<FileScanWorker> fileScanner;
+
+	QStringList ignorePattern;
+
+	/* Those path pointing to files not directories */
+	ConcurrentQueue<QString> filePathTargetsQueue;
+
+	IndexResult currentIndexResult;
+	void launchWorker(ConcurrentQueue<QString> &queue, int batchsize);
+
+  public:
+	void beginIndexing();
+	void setIgnorePattern(QStringList ignorePattern);
+	void setTargetPaths(QVector<QString> pathsToScan);
+
+	Indexer(SqliteDbService &db);
+	IndexResult getResult();
+
+  public slots:
+	void dirScanFinished();
+	void dirScanProgress(int current, int total);
+	void processFileScanResult(FileScanResult result);
+	void processFinishedWorker();
+
+  signals:
+	void pathsCountChanged(int total);
+	void fileScanResult(FileScanResult *result);
+	void indexProgress(unsigned int processedFiles, unsigned int added, unsigned int skipped, unsigned int failed,
+					   unsigned int totalPaths);
+	void finished();
+};
+
+#endif // INDEXER_H