Clear Cache should remove all other translations and tafsir in the data

folder #454

Readme.txt

@@ -33,4 +33,16 @@ CREATE INDEX IF NOT EXISTS quotes_index ON quotes(author,suite_id);
 CREATE INDEX IF NOT EXISTS explanations_index ON explanations(to_verse_number);
 VACUUM;
 
-UPDATE verses SET translation = (SELECT text FROM x.verses WHERE sura=chapter_id AND ayah=verse_id) WHERE EXISTS (SELECT * FROM x.verses WHERE sura=chapter_id AND ayah=verse_id);
+UPDATE verses SET translation = (SELECT text FROM x.verses WHERE sura=chapter_id AND ayah=verse_id) WHERE EXISTS (SELECT * FROM x.verses WHERE sura=chapter_id AND ayah=verse_id);
+
+CREATE TABLE IF NOT EXISTS chapters (id INTEGER PRIMARY KEY, transliteration TEXT, translation TEXT);
+CREATE TABLE IF NOT EXISTS verses2 (chapter_id INTEGER REFERENCES chapters(id), verse_id INTEGER, translation TEXT);
+CREATE TABLE transliteration (chapter_id INTEGER REFERENCES chapters(id), verse_id INTEGER, html TEXT);
+INSERT INTO verses2 SELECT sura,ayah,text FROM verses;
+DROP TABLE properties;
+DROP TABLE verses;
+ALTER TABLE verses2 RENAME TO verses;
+ATTACH DATABASE 'quran_english.db' AS x;
+INSERT INTO chapters SELECT * FROM x.chapters;
+INSERT INTO transliteration SELECT * FROM x.transliteration;
+VACUUM;

assets/QuranHelp.qml

@@ -5,6 +5,10 @@ HelpPage
     actionBarAutoHideBehavior: ActionBarAutoHideBehavior.HideOnScroll
     videoTutorialUri: "http://youtu.be/YOXtjnNWVZM"
 
+    onClearCacheTriggered: {
+        offloader.clearCachedDB();
+    }
+
     actions: [
         ActionItem
         {

src/Offloader.cpp

@@ -493,6 +493,11 @@ void Offloader::searchGoogle(QString const& query)
 }
 
 
+void Offloader::clearCachedDB() {
+    QtConcurrent::run(&ThreadUtils::clearCachedDB, m_persist->getValueFor(KEY_TRANSLATION).toString());
+}
+
+
 Offloader::~Offloader()
 {
 }

src/Offloader.h

@@ -56,6 +56,7 @@ private slots:
     Q_INVOKABLE void renderMap(bb::cascades::maps::MapView* mapView, QVariantMap const& data);
     Q_INVOKABLE void searchGoogle(QString const& query);
     void processDownloadedPlugin(QVariantMap const& q, QByteArray const& data);
+    Q_INVOKABLE void clearCachedDB();
 };
 
 } /* namespace quran */

src/ThreadUtils.cpp

@@ -474,4 +474,26 @@ bool ThreadUtils::replaceDatabase(QString const& src)
 }
 
 
+void ThreadUtils::clearCachedDB(QString const& language)
+{
+    LOGGER(language);
+
+    QStringList all = QDir::home().entryList( QStringList() << "quran_*.db", QDir::Files | QDir::NoDot | QDir::NoDotDot );
+    LOGGER(all);
+
+    foreach (QString const& current, all)
+    {
+
+        if ( current.startsWith("quran_") ) // translation file
+        {
+            QString dbLang = current.split(".").first().split("_").last();
+
+            if (language != dbLang) {
+                QFile::remove( QString("%1/%2").arg( QDir::homePath() ).arg(current) );
+            }
+        }
+    }
+}
+
+
 } /* namespace quran */

src/ThreadUtils.h

@@ -46,6 +46,7 @@ struct ThreadUtils
     static QVariantMap matchSurah(QVariantMap input, QVariantList const& allSurahs);
     static QVariantList captureAyatsInBody(QString body, QMap<QString, int> const& chapterToId);
     static bool replaceDatabase(QString const& src);
+    static void clearCachedDB(QString const& language);
 };
 
 } /* namespace quran */