Work on restoring.ˇ

src/core/feedsmodel.cpp

@@ -318,7 +318,7 @@ QList<Feed*> FeedsModel::feedsForScheduledUpdate(bool auto_update_now) {
 QList<Message> FeedsModel::messagesForFeeds(const QList<Feed*> &feeds) {
   QList<Message> messages;
 
-  foreach (const Feed *feed, feeds) {
+  foreach (Feed *feed, feeds) {
     messages.append(feed->undeletedMessages());
   }
 

src/core/messagesmodel.cpp

@@ -431,27 +431,30 @@ bool MessagesModel::setBatchMessagesRead(const QModelIndexList &messages, RootIt
 }
 
 bool MessagesModel::setBatchMessagesRestored(const QModelIndexList &messages) {
-  QSqlDatabase db_handle = database();
-  QSqlQuery query_read_msg(db_handle);
   QStringList message_ids;
-
-  query_read_msg.setForwardOnly(true);
+  QList<int> message_ids_num;
 
   // Obtain IDs of all desired messages.
   foreach (const QModelIndex &message, messages) {
-    message_ids.append(QString::number(messageId(message.row())));
+    int msg_id = messageId(message.row());
+
+    message_ids_num.append(msg_id);
+    message_ids.append(QString::number(msg_id));
   }
 
+  if (!m_selectedItem->getParentServiceRoot()->onBeforeMessagesRestoredFromBin(m_selectedItem, message_ids_num)) {
+    return false;
+  }
+
+  QSqlQuery query_read_msg(database());
   QString sql_delete_query = QString(QSL("UPDATE Messages SET is_deleted = 0 WHERE id IN (%1);")).arg(message_ids.join(QSL(", ")));
 
+  query_read_msg.setForwardOnly(true);
+
   if (query_read_msg.exec(sql_delete_query)) {
     fetchAllData();
 
-    //emit messageCountsChanged();
-
-    // TODO: counts changed
-    //emit messageCountsChanged(m_selectedItem.mode(), true, true);
-    return true;
+    return m_selectedItem->getParentServiceRoot()->onAfterMessagesRestoredFromBin(m_selectedItem, message_ids_num);
   }
   else {
     return false;

src/services/abstract/serviceroot.h

@@ -105,10 +105,20 @@ class ServiceRoot : public RootItem {
     // by the user from message list.
     virtual bool onBeforeMessagesDelete(RootItem *selected_item, QList<int> message_db_ids) = 0;
 
-    // Called AFTER the list of messages is about to be deleted
+    // Called AFTER the list of messages was deleted
     // by the user from message list.
     virtual bool onAfterMessagesDelete(RootItem *selected_item, QList<int> message_db_ids) = 0;
 
+    // Called BEFORE the list of messages is about to be restored from recycle bin
+    // by the user from message list.
+    // Selected item is naturally recycle bin.
+    virtual bool onBeforeMessagesRestoredFromBin(RootItem *selected_item, QList<int> message_db_ids) = 0;
+
+    // Called AFTER the list of messages was restored from recycle bin
+    // by the user from message list.
+    // Selected item is naturally recycle bin.
+    virtual bool onAfterMessagesRestoredFromBin(RootItem *selected_item, QList<int> message_db_ids) = 0;
+
     // Access to feed model.
     FeedsModel *feedsModel() const;
 

src/services/standard/standardserviceroot.cpp

@@ -610,6 +610,21 @@ bool StandardServiceRoot::onAfterMessagesDelete(RootItem *selected_item, QList<i
   return true;
 }
 
+bool StandardServiceRoot::onBeforeMessagesRestoredFromBin(RootItem *selected_item, QList<int> message_db_ids) {
+  return true;
+}
+
+bool StandardServiceRoot::onAfterMessagesRestoredFromBin(RootItem *selected_item, QList<int> message_db_ids) {
+  // TODO: ok, nejake zpravy obnoveny z koše, ale nevíme přesně
+  // do jakých původně kanálů, obnovíme všecko.
+  Q_UNUSED(selected_item)
+  Q_UNUSED(message_db_ids)
+
+  emit dataChanged(getSubTree());
+  emit readFeedsFilterInvalidationRequested();
+  return true;
+}
+
 void StandardServiceRoot::assembleCategories(CategoryAssignment categories) {
   QHash<int,RootItem*> assignments;
   assignments.insert(NO_PARENT_CATEGORY, this);

src/services/standard/standardserviceroot.h

@@ -22,6 +22,7 @@
 
 #include <QCoreApplication>
 #include <QPair>
+#include <QSqlDatabase>
 
 
 class StandardRecycleBin;
@@ -69,6 +70,9 @@ class StandardServiceRoot : public ServiceRoot {
     bool onBeforeMessagesDelete(RootItem *selected_item, QList<int> message_db_ids);
     bool onAfterMessagesDelete(RootItem *selected_item, QList<int> message_db_ids);
 
+    bool onBeforeMessagesRestoredFromBin(RootItem *selected_item, QList<int> message_db_ids);
+    bool onAfterMessagesRestoredFromBin(RootItem *selected_item, QList<int> message_db_ids);
+
     // Returns all standard categories which are lying under given root node.
     // This does NOT include the root node even if the node is category.
     QHash<int,StandardCategory*> categoriesForItem(RootItem *root);
@@ -92,6 +96,9 @@ class StandardServiceRoot : public ServiceRoot {
     bool markRecycleBinReadUnread(ReadStatus read);
     bool cleanFeeds(QList<Feed*> items, bool clean_read_only);
 
+    // DB connection to be used by child items - feeds/categories.
+    QSqlDatabase dbConnection() const;
+
   public slots:
     void addNewCategory();
     void addNewFeed();
@@ -121,6 +128,8 @@ class StandardServiceRoot : public ServiceRoot {
     QList<QAction*> m_feedContextMenu;
 
     QAction *m_actionFeedFetchMetadata;
+
+    QSqlDatabase m_database;
 };
 
 #endif // STANDARDSERVICEROOT_H

src/services/tt-rss/ttrssserviceroot.h

@@ -60,6 +60,14 @@ class TtRssServiceRoot : public ServiceRoot {
     bool onAfterMessagesDelete(RootItem *selected_item, QList<int> message_db_ids) {
       return false;
     }
+
+    bool onBeforeMessagesRestoredFromBin(RootItem *selected_item, QList<int> message_db_ids) {
+      return false;
+    }
+
+    bool onAfterMessagesRestoredFromBin(RootItem *selected_item, QList<int> message_db_ids) {
+      return false;
+    }
 };
 
 #endif // TTRSSSERVICEROOT_H