public async Task <Pageable <Story> > GetAllByTypeAsync(StoryClientRequest request)
{
var ids = await GetIdsByTypeAsync(request.type);
var total = ids.Count();
var requestedPage = request.page;
/*Do not load all if there is no search*/
if (string.IsNullOrEmpty(request.search))
{
ids = ids.Page(request.page, request.pageSize);
}
/*load the id details in separate threads*/
IEnumerable <Story> stories = (await Task.WhenAll(ids.Select(GetByIdAsync)));
stories = stories.Where(x => x?.link != null && x?.title != null);
/*no filter ? easy return pageable*/
if (string.IsNullOrEmpty(request.search))
{
Pageable <Story> pageable = new Pageable <Story>()
{
filtered = total,
totalCount = total,
pageSize = request.pageSize,
page = requestedPage,
content = stories
};
pageable.Calculate();
return(pageable);
}
/*if we filter then call the pager*/
return(stories.Page(request));
}
public static Pageable <Story> Page(this IEnumerable <Story> source, IPageRequest request)
{
Pageable <Story> pageable = new Pageable <Story>
{
totalCount = source.Count(),
pageSize = request.pageSize,
page = request.page
};
if (!string.IsNullOrWhiteSpace(request.search))
{
pageable.content = source.Where(x => x?.title?.IndexOf(request.search.Trim(), StringComparison.OrdinalIgnoreCase) > -1);
}
else
{
pageable.content = source;
}
pageable.filtered = (pageable.content?.Count()).GetValueOrDefault();
pageable.content = pageable.content?.Skip(request.page * request.pageSize).Take(request.pageSize);
pageable.Calculate();
return(pageable);
}