public async Task <IEnumerable <Post> > GetAllPostsAsync(short blogId)
{
var posts = await GetCachedValueAsync(
() => _cache.GetPostsAsync(blogId, null),
() => _repo.GetAllPostsAsync(blogId)
);
return(posts ?? new List <Post>());
}
async Task UpdatePostCache(Blog blog)
{
var dbPosts = await _repo.GetAllPostsAsync(blog.Id);
var cachePosts = await _cache.GetPostsAsync(blog.Id, null);
var updatedPosts = dbPosts.Except(cachePosts.Item ?? new List <Post>());
if (updatedPosts.Count() > 0)
{
await _cache.AddPostsAsync(updatedPosts);
_logger.LogInformation("{service} pdated {count} posts(s)", nameof(BlogCacheProcessingService), updatedPosts.Count());
}
}