public bool Delete(TModel item)
{
// Importantly, begin the realm write *before* re-fetching, else the update realm may not be in a consistent state
// (ie. if an async import finished very recently).
return(Realm.Write(realm =>
{
if (!item.IsManaged)
{
item = realm.Find <TModel>(item.ID);
}
if (item?.DeletePending != false)
{
return false;
}
item.DeletePending = true;
return true;
}));
}
public void Cleanup()
{
Logger.Log(@"Beginning realm file store cleanup");
int totalFiles = 0;
int removedFiles = 0;
// can potentially be run asynchronously, although we will need to consider operation order for disk deletion vs realm removal.
realm.Write(r =>
{
// TODO: consider using a realm native query to avoid iterating all files (https://github.com/realm/realm-dotnet/issues/2659#issuecomment-927823707)
var files = r.All <RealmFile>().ToList();
foreach (var file in files)
{
totalFiles++;
if (file.BacklinksCount > 0)
{
continue;
}
try
{
removedFiles++;
Storage.Delete(file.GetStoragePath());
r.Remove(file);
}
catch (Exception e)
{
Logger.Error(e, $@"Could not delete databased file {file.Hash}");
}
}
});
Logger.Log($@"Finished realm file store cleanup ({removedFiles} of {totalFiles} deleted)");
}
