improve handling of images from immich albums

src/immichpathtraverser.cpp

@@ -1,5 +1,6 @@
 #include "immichpathtraverser.h"
 #include "logger.h"
+#include <QDateTime>
 
 ImmichPathTraverser::ImmichPathTraverser(const ImmichConfig &configIn)
   : PathTraverser(""),
@@ -25,10 +26,16 @@ void ImmichPathTraverser::loadAssets()
     assetNames.insert(asset.id, asset.originalFileName);
   }
   Log("Immich assets loaded: ", assetIds.size());
+  lastRefresh = QDateTime::currentDateTime();
 }
 
 QStringList ImmichPathTraverser::getImages() const
 {
+  if (refreshDue())
+  {
+    Log("Immich refresh due, reloading assets.");
+    const_cast<ImmichPathTraverser*>(this)->loadAssets();
+  }
   return assetIds;
 }
 
@@ -45,3 +52,17 @@ ImageDisplayOptions ImmichPathTraverser::UpdateOptionsForImage(const std::string
   Q_UNUSED(filename);
   return options;
 }
+
+bool ImmichPathTraverser::refreshDue() const
+{
+  if (config.refreshSeconds <= 0)
+    return false;
+  if (!lastRefresh.isValid())
+    return true;
+  return lastRefresh.secsTo(QDateTime::currentDateTime()) >= config.refreshSeconds;
+}
+
+bool ImmichPathTraverser::shouldReloadImages() const
+{
+  return refreshDue();
+}