public async Task Process()
{
//preparing options
int pageSize = tag.PageSizeDefault;
if (tag.PageSize?.Model != null && tag.PageSize.Metadata.ModelType == typeof(int))
{
pageSize = (int)tag.PageSize.Model;
}
int totalPages = tag.TotalPagesDefault.HasValue ? tag.TotalPagesDefault.Value: int.MaxValue;
if (tag.TotalPages?.Model != null)
{
totalPages = (int)tag.TotalPages.Model;
}
if (totalPages < 0)
{
totalPages = int.MaxValue;
}
QueryDescription query = tag.Query?.Model as QueryDescription;
int page = tag.CurrentPageDefault;
if (query != null && query.Page > 0)
{
page = (int)query.Page;
}
if (tag.CurrentPage?.Model != null && tag.CurrentPage.Metadata.ModelType == typeof(int))
{
page = (int)tag.CurrentPage.Model;
}
string url = tag.Url?.Model as string ?? tag.UrlDefault;
if (query != null)
{
url = query.AddToUrl(url ?? query?.AttachedTo?.BaseUrl, true);
if (!url.Contains(tag.TakeUrlToken))
{
string toAdd;
if (PagerMode.OData == tag.Mode)
{
toAdd = string.Format("$skip={0}&$top={1}",
tag.SkipUrlToken,
tag.TakeUrlToken);
}
else
{
toAdd = string.Format("page={0}&pagesize={1}",
tag.SkipUrlToken,
tag.TakeUrlToken);
}
if (url.Contains('?'))
{
url = url + "&" + toAdd;
}
else
{
url = url + "?" + toAdd;
}
}
}
var layoutOptions = new DefaultServerPagerLayoutOptions
(totalPages != 0 && page > 0,
pageSize,
tag.Mode,
Math.Max(1, page - tag.MaxPages),
page,
Math.Min(page + tag.MaxPages, totalPages),
url,
tag.SkipUrlToken,
tag.TakeUrlToken,
tag.LocalizationType,
tag.CssClass,
options.LayoutTemplate,
options.Operation
);
output.TagName = string.Empty;
var fres = await options.LayoutTemplate.Invoke(tag.CurrentPage ?? tag.Query, layoutOptions, helpers);
if (tag.CopyHtml != null)
{
var iores = new System.IO.StringWriter();
fres.WriteTo(iores, HtmlEncoder.Default);
var sres = iores.ToString();
helpers.Context.ViewData["copied-html-" + tag.CopyHtml] = sres;
output.Content.SetHtmlContent(sres);
return;
}
output.Content.SetHtmlContent(fres);
}
