Store the new Snap tuple when refreshing after installing

BUG: 389024

libdiscover/backends/SnapBackend/SnapBackend.cpp

@@ -112,6 +112,7 @@ ResultsStream * SnapBackend::populate(QSnapdListOneRequest* job, AbstractResourc
             resources += res;
         } else if (res->state() < state) {
             res->setState(state);
+            res->setSnap(snap);
         }
 
         m_resources[res->packageName()] = res;
@@ -147,6 +148,7 @@ ResultsStream* SnapBackend::populate(T* job, AbstractResource::State state)
                 resources += res;
             } else if (res->state() < state) {
                 res->setState(state);
+                res->setSnap(snap);
             }
             ret += res;
         }

libdiscover/backends/SnapBackend/SnapResource.cpp

@@ -163,3 +163,15 @@ QUrl SnapResource::url() const
     //FIXME interim, until it has an appstreamId
     return QUrl(QStringLiteral("snap://") + packageName());
 }
+
+void SnapResource::setSnap(const QSharedPointer<QSnapdSnap>& snap)
+{
+    Q_ASSERT(snap->name() == m_snap->name());
+    if (m_snap == snap)
+        return;
+
+    const bool newSize = m_snap->installedSize() != snap->installedSize() || m_snap->downloadSize() != snap->downloadSize();
+    m_snap = snap;
+    if (newSize)
+        Q_EMIT sizeChanged();
+}

libdiscover/backends/SnapBackend/SnapResource.h

@@ -56,6 +56,7 @@ public:
     void fetchScreenshots() override;
     QList<PackageState> addonsInformation() override { return {}; }
     QUrl url() const override;
+    void setSnap(const QSharedPointer<QSnapdSnap> &snap);
 
     void setState(AbstractResource::State state);
 

libdiscover/backends/SnapBackend/SnapTransaction.cpp

@@ -51,9 +51,9 @@ void SnapTransaction::cancel()
 
 void SnapTransaction::finishTransaction()
 {
-    qDebug() << "done!";
     switch(m_request->error()) {
         case QSnapdRequest::NoError:
+            static_cast<SnapBackend*>(m_app->backend())->refreshStates();
             m_app->setState(m_newState);
             break;
         case QSnapdRequest::AuthDataRequired: {