refs #921, distribution value object/object list

* registration
* property index

src/blackmisc/db/distributionlist.cpp

@@ -0,0 +1,50 @@
+/* Copyright (C) 2017
+ * swift Project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "distributionlist.h"
+#include "blackmisc/stringutils.h"
+
+namespace BlackMisc
+{
+    namespace Db
+    {
+        CDistributionList::CDistributionList() { }
+
+        CDistributionList::CDistributionList(const CSequence<CDistribution> &other) :
+            CSequence<CDistribution>(other)
+        { }
+
+        QStringList CDistributionList::getChannels() const
+        {
+            QStringList channels;
+            for (const CDistribution &distribution : *this)
+            {
+                if (distribution.getChannel().isEmpty()) { continue; }
+                channels << distribution.getChannel();
+            }
+            return channels;
+        }
+
+        CDistribution CDistributionList::findByChannelOrDefault(const QString &channel) const
+        {
+            return this->findFirstByOrDefault(&CDistribution::getChannel, channel);
+        }
+
+        CDistributionList CDistributionList::fromDatabaseJson(const QJsonArray &array)
+        {
+            CDistributionList distributions;
+            for (const QJsonValue &value : array)
+            {
+                const CDistribution distribution(CDistribution::fromDatabaseJson(value.toObject()));
+                distributions.push_back(distribution);
+            }
+            return distributions;
+        }
+    } // namespace
+} // namespace