Update deletefiles commands to, well, work. Maybe.

src/libtomahawk/database/databasecommand_deletefiles.cpp

@@ -60,21 +60,18 @@ DatabaseCommand_DeleteFiles::exec( DatabaseImpl* dbi )
 //    qDebug() << Q_FUNC_INFO;
     Q_ASSERT( !source().isNull() );
 
-    int deleted = 0;
     QVariant srcid = source()->isLocal() ? QVariant( QVariant::Int ) : source()->id();
     TomahawkSqlQuery delquery = dbi->newquery();
     QString lastPath;
 
-    if ( m_dir.path() != QString( "." ) && source()->isLocal() )
+    if ( source()->isLocal() )
+    {
+        if ( m_dir.path() != QString( "." ) )
         {
             qDebug() << "Deleting" << m_dir.path() << "from db for localsource" << srcid;
             TomahawkSqlQuery dirquery = dbi->newquery();
 
-        dirquery.prepare( QString( "SELECT id, url FROM file WHERE source %1 AND url LIKE ?" )
+            dirquery.prepare( QString( "SELECT id, url FROM file WHERE source IS NULL AND url LIKE ?" ) );
-                             .arg( source()->isLocal() ? "IS NULL" : QString( "= %1" ).arg( source()->id() ) ) );
-        delquery.prepare( QString( "DELETE FROM file WHERE source %1 AND id = ?" )
-                             .arg( source()->isLocal() ? "IS NULL" : QString( "= %1" ).arg( source()->id() ) ) );
-
             dirquery.bindValue( 0, "file://" + m_dir.canonicalPath() + "/%" );
             dirquery.exec();
 
@@ -90,52 +87,68 @@ DatabaseCommand_DeleteFiles::exec( DatabaseImpl* dbi )
                     continue;
                 }
 
-            m_ids << dirquery.value( 0 ).toUInt();
                 m_files << dirquery.value( 1 ).toString();
+                m_ids << dirquery.value( 1 ).toUInt();
+            }
+        }
+        else if ( !m_ids.isEmpty() )
+        {
+            TomahawkSqlQuery dirquery = dbi->newquery();
+
+            dirquery.prepare( QString( "SELECT url FROM file WHERE source IS NULL AND id IN ( ? )" ) );
+
+            QString idstring;
+            foreach( const QVariant& id, m_ids )
+                idstring.append( id.toString() + ", " );
+            idstring.chop( 2 ); //remove the trailing ", "
+            
+            dirquery.bindValue( 0, idstring );
+            dirquery.exec();
+            while ( dirquery.next() )
+                m_files << dirquery.value( 0 ).toString();
+        }
+    }
+    else
+    {
+        foreach( const QVariant& id, m_ids )
+            m_files << QString( "servent://%1\t%2" ).arg( source()->userName() ).arg( id.toString() );
     }
 
-        foreach ( const QVariant& id, m_ids )
+    if ( m_deleteAll )
     {
-            delquery.bindValue( 0, id.toUInt() );
+        delquery.prepare( QString( "DELETE FROM file WHERE source %1" )
-            if( !delquery.exec() )
-            {
-                qDebug() << "Failed to delete file:"
-                    << delquery.lastError().databaseText()
-                    << delquery.lastError().driverText()
-                    << delquery.boundValues();
-                continue;
-            }
-
-            deleted++;
-        }
-    }
-    else if ( !m_ids.isEmpty() && source()->isLocal() )
-    {
-        delquery.prepare( QString( "DELETE FROM file WHERE source %1 AND url = ?" )
         .arg( source()->isLocal() ? "IS NULL" : QString( "= %1" ).arg( source()->id() ) ) );
 
-        foreach( const QVariant& id, m_ids )
-        {
-//            qDebug() << "Deleting" << id.toUInt() << "from db for source" << srcid;
-
-            const QString url = QString( "servent://%1\t%2" ).arg( source()->userName() ).arg( id.toString() );
-            m_files << url;
-
-            delquery.bindValue( 0, id.toUInt() );
         if( !delquery.exec() )
         {
             qDebug() << "Failed to delete file:"
             << delquery.lastError().databaseText()
             << delquery.lastError().driverText()
             << delquery.boundValues();
-                continue;
         }
 
-            deleted++;
+        emit done( m_files, source()->collection() );
-        }
+        return;
     }
+    else if ( !m_ids.isEmpty() )
+    {
+        delquery.prepare( QString( "DELETE FROM file WHERE source %1 AND url IN ( ? )" )
+                             .arg( source()->isLocal() ? "IS NULL" : QString( "= %1" ).arg( source()->id() ) ) );
 
-//    qDebug() << "Deleted" << deleted << m_ids << m_files;
+        QString idstring;
+        foreach( const QVariant& id, m_ids )
+            idstring.append( id.toString() + ", " );
+        idstring.chop( 2 ); //remove the trailing ", "
+
+        delquery.bindValue( 0, idstring );
+        if( !delquery.exec() )
+        {
+            qDebug() << "Failed to delete file:"
+                << delquery.lastError().databaseText()
+                << delquery.lastError().driverText()
+                << delquery.boundValues();
+        }
+    }
 
     emit done( m_files, source()->collection() );
 }

src/libtomahawk/database/databasecommand_deletefiles.h

@@ -32,20 +32,27 @@ class DLLEXPORT DatabaseCommand_DeleteFiles : public DatabaseCommandLoggable
 {
 Q_OBJECT
 Q_PROPERTY( QVariantList ids READ ids WRITE setIds )
+Q_PROPERTY( bool deleteAll READ deleteAll WRITE setDeleteAll )
 
 public:
     explicit DatabaseCommand_DeleteFiles( QObject* parent = 0 )
         : DatabaseCommandLoggable( parent )
     {}
 
+    explicit DatabaseCommand_DeleteFiles( const Tomahawk::source_ptr& source, QObject* parent = 0 )
+    : DatabaseCommandLoggable( parent ), m_deleteAll( true )
+    {
+        setSource( source );
+    }
+
     explicit DatabaseCommand_DeleteFiles( const QDir& dir, const Tomahawk::source_ptr& source, QObject* parent = 0 )
-    : DatabaseCommandLoggable( parent ), m_dir( dir )
+    : DatabaseCommandLoggable( parent ), m_dir( dir ), m_deleteAll( false )
     {
         setSource( source );
     }
 
     explicit DatabaseCommand_DeleteFiles( const QVariantList& ids, const Tomahawk::source_ptr& source, QObject* parent = 0 )
-    : DatabaseCommandLoggable( parent ), m_ids( ids )
+    : DatabaseCommandLoggable( parent ), m_ids( ids ), m_deleteAll( false )
     {
         setSource( source );
     }
@@ -54,23 +61,24 @@ public:
 
     virtual void exec( DatabaseImpl* );
     virtual bool doesMutates() const { return true; }
-    virtual bool localOnly() const { return m_files.isEmpty(); }
+    virtual bool localOnly() const { return false; }
     virtual void postCommitHook();
 
-    QStringList files() const { return m_files; }
-    void setFiles( const QStringList& f ) { m_files = f; }
-
     QVariantList ids() const { return m_ids; }
     void setIds( const QVariantList& i ) { m_ids = i; }
 
+    bool deleteAll() const { return m_deleteAll; }
+    void setDeleteAll( const bool deleteAll ) { m_deleteAll = deleteAll; }
+
 signals:
     void done( const QStringList&, const Tomahawk::collection_ptr& );
     void notify( const QStringList& );
 
 private:
-    QDir m_dir;
     QStringList m_files;
+    QDir m_dir;
     QVariantList m_ids;
+    bool m_deleteAll;
 };
 
 #endif // DATABASECOMMAND_DELETEFILES_H

src/scanmanager.cpp

@@ -30,6 +30,7 @@
 
 #include "database/database.h"
 #include "database/databasecommand_dirmtimes.h"
+#include "database/databasecommand_deletefiles.h"
 
 #include "utils/logger.h"
 
@@ -147,6 +148,9 @@ ScanManager::runDirScan( const QStringList& paths, bool manualFull )
     if ( !Database::instance() || ( Database::instance() && !Database::instance()->isReady() ) )
         return;
 
+    if ( paths.isEmpty() )
+        Database::instance()->enqueue( QSharedPointer<DatabaseCommand>( new DatabaseCommand_DeleteFiles( SourceList::instance()->getLocal() ) ) );
+
     if ( !m_musicScannerThreadController && m_scanner.isNull() ) //still running if these are not zero
     {
         m_scanTimer->stop();