public Data()
{
Meta = null;
Controls = null;
ControlsList = null;
Expressions = null;
}
public PaginatedListBuilder(Uri baseUri, IQueryable <Q> items, int perPage, int page, Func <Q, T> transform)
{
UriBuilder b = new UriBuilder(baseUri);
b.Query = string.Join("&", b.Query.Split('&').Where(p => !p.Contains("page=")));
baseUri = b.Uri;
int total = items.Count();
int numberOfPages = total / perPage + (total % perPage > 0 ? 1 : 0);
Meta = new MetaObj()
{
CurrentPage = page,
From = (page - 1) * perPage + 1,
To = page * perPage - (page == numberOfPages ? perPage - total % perPage : 0),
LastPage = numberOfPages,
PerPage = perPage,
Total = total,
Path = baseUri.ToString()
};
Links = new LinksObj
{
First = new Uri(QueryHelpers.AddQueryString(baseUri.ToString(), "page", "1")),
Last = new Uri(QueryHelpers.AddQueryString(baseUri.ToString(), "page", $"{numberOfPages}")),
Prev = page == 1 ? null : new Uri(QueryHelpers.AddQueryString(baseUri.ToString(), "page", $"{page - 1}")),
Next = page == numberOfPages ? null : new Uri(QueryHelpers.AddQueryString(baseUri.ToString(), "page", $"{page + 1}"))
};
Data = items.Skip((page - 1) * perPage).Take(perPage).Select(transform).ToList();
}
