public async Task <PostsList> SearchPostsAsync(PostSearchInfo searchInfo, CancellationToken token)
{
var builder = Builders <Post> .Filter;
var filter = builder.Empty;
if (!string.IsNullOrEmpty(searchInfo.Tag))
{
filter &= builder.AnyEq(post => post.Tags, searchInfo.Tag);
}
if (searchInfo.FromCreatedAt != null)
{
filter &= builder.Gte(post => post.CreatedAt, searchInfo.FromCreatedAt);
}
if (searchInfo.ToCreatedAt != null)
{
filter &= builder.Lt(post => post.CreatedAt, searchInfo.ToCreatedAt);
}
var cursor = this.postsCollection.Find(filter);
var posts = await cursor
.Limit(searchInfo.Limit)
.Skip(searchInfo.Offset)
.ToListAsync(token);
var total = (int)await cursor.CountDocumentsAsync(token);
return(new PostsList {
Posts = posts, Total = total
});
}
public async Task <ActionResult> SearchAsync([FromQuery] PostSearchInfo searchInfo, CancellationToken token)
{
var postsList = await this.postsService.SearchPostsAsync(searchInfo, token).ConfigureAwait(false);
return(this.Ok(postsList));
}
