async Task UpdateBlogCache(CancellationToken stoppingToken)
{
if (stoppingToken.IsCancellationRequested)
{
return;
}
if (await _cache.GetStatusAsync() != CacheStatus.InitializationSucceeded)
{
await _cache.SetStatusAsync(CacheStatus.Initializing);
}
var dbBlogs = await _repo.GetBlogsAsync();
var cacheBlogs = await _cache.GetBlogsAsync();
var updatedBlogs = dbBlogs.Except(cacheBlogs.Item ?? new List <Blog>());
if (updatedBlogs.Count() > 0)
{
await _cache.AddBlogsAsync(updatedBlogs);
_logger.LogInformation("{service} updated {count} blog(s)", nameof(BlogCacheProcessingService), updatedBlogs.Count());
}
await UpdatePostCache(dbBlogs, stoppingToken);
if (stoppingToken.IsCancellationRequested)
{
return;
}
await _cache.SetStatusAsync(CacheStatus.InitializationSucceeded);
}