private static List <App> GetDifference(List <App> apps)
{
var result = new List <App>();
if (!File.Exists(_config.CacheFileName))
{
return(apps);
}
var cachedApps = AppsContainer.FromBytes(File.ReadAllBytes(_config.CacheFileName)).apps;
foreach (var app in apps)
{
var cachedApp = cachedApps.Find(a => a.name == app.name);
if (cachedApp != null)
{
cachedApps.Remove(cachedApp);
if (app.version == cachedApp.version)
{
continue;
}
app.status = AppStatus.Updated;
}
result.Add(app);
}
cachedApps.ForEach(app => app.status = AppStatus.Deleted);
result.AddRange(cachedApps);
return(result);
}