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Add logic to refresh library with monitor directory changes

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To check if there have been any changes in monitor directory, we compare the files before and after followed by adding/removing them from the library
This commit is contained in:
Nikhil Tanwar 2022-02-03 16:12:30 +05:30 committed by Emmanuel Engelhart
parent a69e6a1f02
commit 45a09cfae6
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GPG Key ID: 120B30D020B553D3
3 changed files with 50 additions and 0 deletions
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4
src/kiwixapp.cpp
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@ -275,6 +275,10 @@ bool KiwixApp::isCurrentArticleBookmarked()
void KiwixApp::setMonitorDir(const QString &dir) {
m_settingsManager.setMonitorDir(dir);
m_library.setMonitorDirZims(QStringList());
if (dir != "") {
m_library.asyncLoadMonitorDir(dir);
}
}
#define CREATE_ACTION(ID, TEXT) \

41
src/library.cpp
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@ -5,6 +5,8 @@
#include <kiwix/tools.h>
#include <QtDebug>
#include <QtConcurrent/QtConcurrentRun>
class LibraryManipulator: public kiwix::LibraryManipulator {
public:
@ -123,6 +125,45 @@ void Library::save()
m_library.writeBookmarksToFile(kiwix::appendToDirectory(m_libraryDirectory.toStdString(), "library.bookmarks.xml"));
}
void Library::setMonitorDirZims(QStringList zimList)
{
m_monitorDirZims = zimList;
}
void Library::loadMonitorDir(QString monitorDir)
{
QMutex mutex;
QMutexLocker locker(&mutex);
const QDir dir(monitorDir);
QStringList newDirEntries = dir.entryList({"*.zim"});
for (auto &str : newDirEntries) {
str = monitorDir + QDir::separator() + str;
}
QSet<QString> newDir = QSet<QString>::fromList(newDirEntries);
QStringList oldDirEntries = m_monitorDirZims;
QSet<QString> oldDir = QSet<QString>::fromList(oldDirEntries);
QStringList addedZims = (newDir - oldDir).values();
QStringList removedZims = (oldDir - newDir).values();
setMonitorDirZims(newDir.values());
auto manipulator = LibraryManipulator(this);
auto manager = kiwix::Manager(&manipulator);
for (auto book : addedZims) {
manager.addBookFromPath(book.toStdString());
}
for (auto bookPath : removedZims) {
removeBookFromLibraryById(QString::fromStdString(m_library.getBookByPath(bookPath.toStdString()).getId()));
}
emit(booksChanged());
save();
}
void Library::asyncLoadMonitorDir(QString dir)
{
QtConcurrent::run( [=]() {
loadMonitorDir(dir);
});
}
const kiwix::Book &Library::getBookById(QString id) const
{
return m_library.getBookById(id.toStdString());

5
src/library.h
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@ -33,11 +33,15 @@ public:
QStringList getBookIds() const;
QStringList listBookIds(const kiwix::Filter& filter, kiwix::supportedListSortBy sortBy, bool ascending) const;
const std::vector<kiwix::Bookmark> getBookmarks(bool onlyValidBookmarks = false) const { return m_library.getBookmarks(onlyValidBookmarks); }
QStringList getLibraryZimsFromDir(QString dir) const;
void setMonitorDirZims(QStringList zimList);
void addBookToLibrary(kiwix::Book& book);
void removeBookFromLibraryById(const QString& id);
void addBookmark(kiwix::Bookmark& bookmark);
void removeBookmark(const QString& zimId, const QString& url);
void save();
void loadMonitorDir(QString dir);
void asyncLoadMonitorDir(QString dir);
kiwix::Library& getKiwixLibrary() { return m_library; }
public slots:
const kiwix::Book& getBookById(QString id) const;
@ -49,6 +53,7 @@ signals:
private:
kiwix::Library m_library;
QString m_libraryDirectory;
QStringList m_monitorDirZims;
friend class LibraryManipulator;
};