Add a small dialog to show some info about a library

CHANGELOG.md

@@ -21,6 +21,7 @@ Version counting is based on semantic versioning (Major.Feature.Patch)
 * Fix crash when current folders is empty after an update.
 * Enable dropping content on the FolderContentView.
 * Fix `open containing folder...` shortcut for comics.
+* Add a dialog to show information about a library, it includes the number of folders and comics and the number of read comics.
 
 ### YACReaderLibraryServer
 * New command --system-info to print information about the execution environment and available resources (including what image formats are supported and what libraries are used by the app).

YACReaderLibrary/db_helper.cpp

@@ -2022,3 +2022,39 @@ bool DBHelper::isFavoriteComic(qulonglong id, QSqlDatabase &db)
 
     return false;
 }
+
+QString DBHelper::getLibraryInfo(QUuid id)
+{
+    QString info;
+    QString libraryPath = DBHelper::getLibraries().getPath(id);
+
+    info = "<b>Library path</b>:<br/>" + libraryPath + "<br/><br/>";
+
+    QString connectionName = "";
+    QList<LibraryItem *> list;
+    {
+        QSqlDatabase db = DataBaseManagement::loadDatabase(libraryPath + "/.yacreaderlibrary");
+        connectionName = db.connectionName();
+
+        // num folders
+        auto foldersQuery = db.exec("SELECT COUNT(*) FROM folder WHERE id <> 1");
+        foldersQuery.next();
+
+        info += "<b>Number of folders</b>:<br/>" + foldersQuery.value(0).toString() + "<br/><br/>";
+
+        // num comics
+        auto comicsQuery = db.exec("SELECT COUNT(*) FROM comic");
+        comicsQuery.next();
+
+        info += "<b>Number of comics</b>:<br/>" + comicsQuery.value(0).toString() + "<br/><br/>";
+
+        // num read comics
+        auto readComicsQuery = db.exec("SELECT count(*) FROM comic c INNER JOIN comic_info ci ON c.comicInfoId = ci.id WHERE ci.read = 1");
+        readComicsQuery.next();
+
+        info += "<b>Number of read comics</b>:<br/>" + readComicsQuery.value(0).toString() + "<br/><br/>";
+    }
+    QSqlDatabase::removeDatabase(connectionName);
+
+    return info;
+}

YACReaderLibrary/db_helper.h

@@ -104,6 +104,9 @@ public:
     static QList<QString> loadSubfoldersNames(qulonglong folderId, QSqlDatabase &db);
     // queries
     static bool isFavoriteComic(qulonglong id, QSqlDatabase &db);
+
+    // library
+    static QString getLibraryInfo(QUuid id);
 };
 
 #endif

YACReaderLibrary/library_window.cpp

@@ -619,6 +619,9 @@ void LibraryWindow::createMenus()
 
     selectedLibrary->addAction(actions.exportLibraryAction);
     selectedLibrary->addAction(actions.importLibraryAction);
+    YACReader::addSperator(selectedLibrary);
+
+    selectedLibrary->addAction(actions.showLibraryInfo);
 
 // MacOSX app menus
 #ifdef Q_OS_MACOS
@@ -648,6 +651,10 @@ void LibraryWindow::createMenus()
     libraryMenu->addAction(actions.exportLibraryAction);
     libraryMenu->addAction(actions.importLibraryAction);
 
+    libraryMenu->addSeparator();
+
+    libraryMenu->addAction(actions.showLibraryInfo);
+
     // folder
     QMenu *folderMenu = new QMenu(tr("Folder"));
     folderMenu->addAction(actions.openContainingFolderAction);
@@ -1894,6 +1901,23 @@ void LibraryWindow::rescanLibraryForXMLInfo()
     xmlInfoLibraryScanner->scanLibrary(path, path + "/.yacreaderlibrary");
 }
 
+void LibraryWindow::showLibraryInfo()
+{
+    auto id = libraries.getUuid(selectedLibrary->currentText());
+    auto info = DBHelper::getLibraryInfo(id);
+
+    // TODO: use something nicer than a QMessageBox
+    QMessageBox msgBox;
+    msgBox.setWindowTitle(tr("Library info"));
+    msgBox.setText(info);
+    QSpacerItem *horizontalSpacer = new QSpacerItem(420, 0, QSizePolicy::Minimum, QSizePolicy::Expanding);
+    QGridLayout *layout = (QGridLayout *)msgBox.layout();
+    layout->addItem(horizontalSpacer, layout->rowCount(), 0, 1, layout->columnCount());
+    msgBox.setStandardButtons(QMessageBox::Close);
+    msgBox.setDefaultButton(QMessageBox::Close);
+    msgBox.exec();
+}
+
 void LibraryWindow::rescanCurrentFolderForXMLInfo()
 {
     rescanFolderForXMLInfo(getCurrentFolderIndex());

YACReaderLibrary/library_window.h

@@ -251,6 +251,7 @@ public slots:
     void removeLibrary();
     void renameLibrary();
     void rescanLibraryForXMLInfo();
+    void showLibraryInfo();
     void rescanCurrentFolderForXMLInfo();
     void rescanFolderForXMLInfo(QModelIndex modelIndex);
     void rename(QString newName);

YACReaderLibrary/library_window_actions.cpp

@@ -101,6 +101,11 @@ void LibraryWindowActions::createActions(LibraryWindow *window, QSettings *setti
     rescanLibraryForXMLInfoAction->setData(RESCAN_LIBRARY_XML_INFO_ACTION_YL);
     rescanLibraryForXMLInfoAction->setShortcut(ShortcutsManager::getShortcutsManager().getShortcut(RESCAN_LIBRARY_XML_INFO_ACTION_YL));
 
+    showLibraryInfo = new QAction(tr("Show library info"), window);
+    showLibraryInfo->setToolTip(tr("Show information about the current library"));
+    showLibraryInfo->setData(SHOW_LIBRARY_INFO_ACTION_YL);
+    showLibraryInfo->setShortcut(ShortcutsManager::getShortcutsManager().getShortcut(SHOW_LIBRARY_INFO_ACTION_YL));
+
     openComicAction = new QAction(tr("Open current comic"), window);
     openComicAction->setToolTip(tr("Open current comic on YACReader"));
     openComicAction->setData(OPEN_COMIC_ACTION_YL);
@@ -559,6 +564,8 @@ void LibraryWindowActions::createConnections(
     // connect(deleteLibraryAction,SIGNAL(triggered()),window,SLOT(deleteLibrary()));
     QObject::connect(removeLibraryAction, &QAction::triggered, window, &LibraryWindow::removeLibrary);
     QObject::connect(rescanLibraryForXMLInfoAction, &QAction::triggered, window, &LibraryWindow::rescanLibraryForXMLInfo);
+    QObject::connect(showLibraryInfo, &QAction::triggered, window, &LibraryWindow::showLibraryInfo);
+
     QObject::connect(openComicAction, &QAction::triggered, window, QOverload<>::of(&LibraryWindow::openComic));
     QObject::connect(helpAboutAction, &QAction::triggered, had, &QWidget::show);
     QObject::connect(addFolderAction, &QAction::triggered, window, &LibraryWindow::addFolderToCurrentIndex);
@@ -659,7 +666,8 @@ void LibraryWindowActions::setUpShortcutsManagement(EditShortcutsDialog *editSho
                                                  << updateLibraryAction
                                                  << renameLibraryAction
                                                  << removeLibraryAction
-                                                 << rescanLibraryForXMLInfoAction);
+                                                 << rescanLibraryForXMLInfoAction
+                                                 << showLibraryInfo);
 
     allActions << tmpList;
 

YACReaderLibrary/library_window_actions.h

@@ -39,6 +39,9 @@ public:
     QAction *removeLibraryAction;
     QAction *helpAboutAction;
     QAction *renameLibraryAction;
+
+    QAction *showLibraryInfo;
+
 #ifndef Q_OS_MACOS
     QAction *toggleFullScreenAction;
 #endif

YACReaderLibrary/yacreader_libraries.cpp

@@ -54,6 +54,12 @@ QString YACReaderLibraries::getPath(int id)
     return library != libraries.cend() ? library->getPath() : "";
 }
 
+QString YACReaderLibraries::getPath(const QUuid &id)
+{
+    auto library = std::find_if(libraries.cbegin(), libraries.cend(), [id](const YACReaderLibrary &library) { return library.getId() == id; });
+    return library != libraries.cend() ? library->getPath() : "";
+}
+
 QString YACReaderLibraries::getDBPath(int id)
 {
     return getPath(id) + "/.yacreaderlibrary";
@@ -101,6 +107,12 @@ int YACReaderLibraries::getId(const QString &name)
     return library != libraries.cend() ? library->getLegacyId() : -1;
 }
 
+QUuid YACReaderLibraries::getUuid(const QString &name)
+{
+    auto library = std::find_if(libraries.cbegin(), libraries.cend(), [name](const YACReaderLibrary &library) { return library.getName() == name; });
+    return library != libraries.cend() ? library->getId() : QUuid();
+}
+
 int YACReaderLibraries::getIdFromUuid(const QUuid &uuid)
 {
     auto library = std::find_if(libraries.cbegin(), libraries.cend(), [uuid](const YACReaderLibrary &library) { return library.getId() == uuid; });

YACReaderLibrary/yacreader_libraries.h

@@ -15,6 +15,7 @@ public:
     QList<QString> getNames();
     QString getPath(const QString &name);
     QString getPath(int id);
+    QString getPath(const QUuid &id);
     QString getDBPath(int id);
     QString getName(int id);
     bool isEmpty();
@@ -23,6 +24,7 @@ public:
     void remove(const QString &name);
     void rename(const QString &oldName, const QString &newName);
     int getId(const QString &name);
+    QUuid getUuid(const QString &name);
     int getIdFromUuid(const QUuid &uuid);
     YACReaderLibraries &operator=(const YACReaderLibraries &source);
     QList<YACReaderLibrary> getLibraries() const;

shortcuts_management/shortcuts_manager.h

@@ -46,6 +46,7 @@ public:
 #define RENAME_LIBRARY_ACTION_YL "RENAME_LIBRARY_ACTION_YL"
 #define REMOVE_LIBRARY_ACTION_YL "REMOVE_LIBRARY_ACTION_YL"
 #define RESCAN_LIBRARY_XML_INFO_ACTION_YL "RESCAN_LIBRARY_XML_INFO_ACTION_YL"
+#define SHOW_LIBRARY_INFO_ACTION_YL "SHOW_LIBRARY_INFO_ACTION_YL"
 #define OPEN_COMIC_ACTION_YL "OPEN_COMIC_ACTION_YL"
 #define SET_AS_READ_ACTION_YL "SET_AS_READ_ACTION_YL"
 #define SET_AS_NON_READ_ACTION_YL "SET_AS_NON_READ_ACTION_YL"