From c248cf836863bacd2b47688b65b00306b6ca264e Mon Sep 17 00:00:00 2001
From: Albert S <mail@quitesimple.org>
Date: Tue, 16 Apr 2019 08:50:08 +0200
Subject: [PATCH] Added FileSaver for Saving/Processing of files, used by
 CommandAdd/CommandUpdates

---
 cli/filesaver.cpp | 147 ++++++++++++++++++++++++++++++++++++++++++++++
 cli/filesaver.h   |  28 +++++++++
 2 files changed, 175 insertions(+)
 create mode 100644 cli/filesaver.cpp
 create mode 100644 cli/filesaver.h

diff --git a/cli/filesaver.cpp b/cli/filesaver.cpp
new file mode 100644
index 0000000..8c5ed59
--- /dev/null
+++ b/cli/filesaver.cpp
@@ -0,0 +1,147 @@
+#include <QSqlError>
+#include <QDateTime>
+#include <QtConcurrentMap>
+#include <functional>
+#include "filesaver.h"
+#include "processor.h"
+#include "pdfprocessor.h"
+#include "commandadd.h"
+#include "defaulttextprocessor.h"
+#include "tagstripperprocessor.h"
+#include "nothingprocessor.h"
+#include "odtprocessor.h"
+#include "odsprocessor.h"
+#include "utils.h"
+#include "logger.h"
+static DefaultTextProcessor *defaultTextProcessor = new DefaultTextProcessor();
+static TagStripperProcessor *tagStripperProcessor = new TagStripperProcessor();
+static NothingProcessor *nothingProcessor = new NothingProcessor();
+static OdtProcessor *odtProcessor = new OdtProcessor();
+static OdsProcessor *odsProcessor = new OdsProcessor();
+
+static QMap<QString, Processor*> processors{
+    {"pdf", new PdfProcessor() },
+    {"txt", defaultTextProcessor},
+    {"md", defaultTextProcessor},
+    {"py", defaultTextProcessor},
+    {"xml", nothingProcessor},
+    {"html", tagStripperProcessor},
+    {"java", defaultTextProcessor},
+    {"js", defaultTextProcessor},
+    {"cpp", defaultTextProcessor},
+    {"c", defaultTextProcessor},
+    {"sql", defaultTextProcessor},
+    {"odt", odtProcessor},
+    {"ods", odsProcessor}
+};
+
+
+FileSaver::FileSaver(SqliteDbService &dbService)
+{
+    this->dbService = &dbService;
+}
+
+SaveFileResult FileSaver::addFile(QString path)
+{
+    QFileInfo info(path);
+    QString absPath = info.absoluteFilePath();
+    auto mtime = info.lastModified().toSecsSinceEpoch();
+    if(this->dbService->fileExistsInDatabase(absPath, mtime))
+    {
+        return SKIPPED;
+    }
+    return saveFile(info);
+}
+
+SaveFileResult FileSaver::updateFile(QString path)
+{
+    QFileInfo info(path);
+    return saveFile(info);
+}
+
+bool FileSaver::addFiles(const QVector<QString> paths, bool keepGoing, bool verbose)
+{
+    return processFiles(paths, std::bind(&FileSaver::addFile, this, std::placeholders::_1), keepGoing, verbose);
+}
+
+bool FileSaver::updateFiles(const QVector<QString> paths, bool keepGoing, bool verbose)
+{
+    return processFiles(paths, std::bind(&FileSaver::updateFile, this, std::placeholders::_1), keepGoing, verbose);
+}
+
+bool FileSaver::processFiles(const QVector<QString> paths, std::function<SaveFileResult(QString path)> saverFunc, bool keepGoing, bool verbose)
+{
+    std::atomic<bool> terminate { false };
+    std::atomic<bool> hasError { false };
+    QtConcurrent::blockingMap(paths, [&](const QString &path) {
+        if(terminate.load())
+        {
+            return;
+        }
+        if(verbose)
+        {
+            Logger::info() << "Processing " << path << endl;
+        }
+        SaveFileResult result = saverFunc(path);
+        if(result == DBFAIL || result == PROCESSFAIL)
+        {
+            hasError = true;
+            Logger::error() << "Failed to process " << path << endl;
+            if(!keepGoing)
+            {
+                terminate = true;
+
+            }
+        }
+        if(verbose)
+        {
+            if(result == SKIPPED)
+            {
+                Logger::info() << "Skipped" << path << "as it already exists in the database" << endl;
+            }
+            else if(result == OK)
+            {
+                Logger::info() << "Added" << path << endl;
+            }
+        }
+     });
+    return ! hasError.load();
+}
+
+
+SaveFileResult FileSaver::saveFile(const QFileInfo &fileInfo)
+{
+    Processor *processor = processors.value(fileInfo.suffix(), nothingProcessor);
+    QVector<PageData> pageData;
+    QString absPath = fileInfo.absoluteFilePath();
+
+    if(fileInfo.isFile())
+    {
+        try
+        {
+            if(processor->PREFERED_DATA_SOURCE == FILEPATH)
+            {
+                pageData = processor->process(absPath);
+            }
+            else
+            {
+                pageData = processor->process(Utils::readFile(absPath));
+            }
+        }
+        catch(QSSGeneralException &e)
+        {
+            Logger::error() << "Error while processing" << absPath << ":" << e.message;
+            return PROCESSFAIL;
+        }
+    }
+
+
+    //Could happen if a file corrupted for example
+    if(pageData.isEmpty() && processor != nothingProcessor)
+    {
+        Logger::error() << "Could not get any content for " << absPath << endl;
+    }
+
+    return this->dbService->saveFile(fileInfo, pageData);
+
+}
diff --git a/cli/filesaver.h b/cli/filesaver.h
new file mode 100644
index 0000000..4053b7f
--- /dev/null
+++ b/cli/filesaver.h
@@ -0,0 +1,28 @@
+#ifndef FILESAVER_H
+#define FILESAVER_H
+#include <QSqlDatabase>
+#include <QFileInfo>
+#include "command.h"
+#include "pagedata.h"
+#include "filedata.h"
+#include "sqlitedbservice.h"
+
+
+class FileSaver
+{
+private:
+    SqliteDbService *dbService;
+protected:
+    SaveFileResult addFile(QString path);
+    SaveFileResult updateFile(QString path);
+public:
+    FileSaver(SqliteDbService &dbService);
+    SaveFileResult saveFile(const QFileInfo &fileInfo);
+    bool processFiles(const QVector<QString> paths, std::function<SaveFileResult(QString path)> saverFunc, bool keepGoing, bool verbose);
+    bool addFiles(const QVector<QString> paths, bool keepGoing, bool verbose);
+    bool updateFiles(const QVector<QString> paths, bool keepGoing, bool verbose);
+
+;
+};
+
+#endif // FILESAVER_H