From 113f13e9d82e0d4a1c23e86877ca623a5a287d28 Mon Sep 17 00:00:00 2001
From: Arno <arno@disconnect.de>
Date: Mon, 19 Feb 2018 04:02:16 +0100
Subject: Add syncing favorites

Symlink all favorites to a directory. Don't try to be smart, just ask if
we need to delete anything if the target dir is not empty. Be very
careful about what we delete. Only remove the item if it's a symlink.
---
 collectionfavoritesview.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++
 collectionfavoritesview.h   |  1 +
 2 files changed, 43 insertions(+)

diff --git a/collectionfavoritesview.cpp b/collectionfavoritesview.cpp
index 54ce2f5..b948c41 100644
--- a/collectionfavoritesview.cpp
+++ b/collectionfavoritesview.cpp
@@ -2,6 +2,10 @@
 #include <QSqlQuery>
 #include <QStandardItem>
 #include <QAction>
+#include <QFileDialog>
+#include <QDirIterator>
+#include <QMessageBox>
+#include <QSettings>
 
 #include "collectionfavoritesview.h"
 #include "helper.h"
@@ -9,7 +13,10 @@
 CollectionFavoritesView::CollectionFavoritesView(QWidget *parent) : CollectionWidget(parent) {
     QAction *removeFromFavoritesA = new QAction(QIcon(":/delete.png"), tr("Remove from Favorites"), this);
     connect(removeFromFavoritesA, &QAction::triggered, [this] { removeFromFavorites(view()->selectionModel()->selectedRows()); });
+    QAction *syncA = new QAction(QIcon(":/sissyd.png"), tr("Sync to dir..."), this);
+    connect(syncA, &QAction::triggered, this, &CollectionFavoritesView::syncToDir);
     customActions()->addAction(Helper::createSeparator(this));
+    customActions()->addAction(syncA);
     customActions()->addAction(removeFromFavoritesA);
 }
 
@@ -67,3 +74,38 @@ void CollectionFavoritesView::removeFromFavorites(const QModelIndexList &idxs){
         populate();
     }
 }
+
+void CollectionFavoritesView::syncToDir(){
+    QSettings s;
+    QString dir = s.value("syncdir", QDir::homePath()).toString();
+    QString destDir = QFileDialog::getExistingDirectory(this, tr("Sync to..."), dir);
+    if(!destDir.isEmpty()){
+        s.setValue("syncdir", destDir);
+        QStandardItemModel *m = model();
+        QStandardItem *root = m->invisibleRootItem();
+        QDirIterator it(destDir);
+        if(it.hasNext()){
+            int retval = QMessageBox::warning(this, tr("Clear directory"), tr("Target directory is not empty. Delete all files?"), QMessageBox::Yes | QMessageBox::No);
+            if(retval == QMessageBox::Yes){
+                while(it.hasNext()){
+                    QFileInfo fi = it.fileInfo();
+                    if(fi.isSymLink()){
+                        QFile::remove(fi.filePath());
+                    }
+                    it.next();
+                }
+            }
+        }
+        for(int i = 0; i < root->rowCount(); ++i){
+            QStandardItem *child = root->child(i, 0);
+            QString src = child->data(FullPathRole).toString();
+            QFileInfo fi(src);
+            QString artist = child->data(ArtistRole).toString();
+            QString title = child->data(TitleRole).toString();
+            QString ext = fi.suffix();
+            QString linkTo = QString("%1/%2-%3.%4").arg(destDir).arg(artist).arg(title).arg(ext);
+            QFile f(src);
+            f.link(linkTo);
+         }
+    }
+}
diff --git a/collectionfavoritesview.h b/collectionfavoritesview.h
index d8d34d1..ccc3fc0 100644
--- a/collectionfavoritesview.h
+++ b/collectionfavoritesview.h
@@ -11,6 +11,7 @@ class CollectionFavoritesView : public CollectionWidget {
     public slots:
         virtual void populate();
         void removeFromFavorites(const QModelIndexList &idxs);
+        void syncToDir();
 };
 
 #endif // COLLECTIONFAVORITESVIEW_H
-- 
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