/// <summary>
/// Initializes a new instance of the <see cref="PagerModel"/> class.
/// </summary>
/// <param name="pageModel">The page model.</param>
/// <param name="action">The action.</param>
/// <param name="controller">The controller.</param>
/// <param name="routeValues">The route values.</param>
public PagerModel(IPagedModel pageModel, string action, string controller = null, object routeValues = null)
{
Controller = controller;
_routeValues = new RouteValueDictionary(routeValues);
_routeValues.Add(PageRouteConst, 0);
Action = action;
CurrentPage = pageModel.CurrentPage;
PagesNumber = pageModel.PagesNumber;
TotalCount = pageModel.Count;
StartItemNumber = (pageModel.CurrentPage - 1)*pageModel.PageItems + 1;
if (StartItemNumber < 0)
{
StartItemNumber = 0;
}
EndItemNumber = StartItemNumber + pageModel.PageItems - 1;
if (EndItemNumber > TotalCount)
{
EndItemNumber = TotalCount;
}
if (StartItemNumber > EndItemNumber)
{
StartItemNumber = EndItemNumber;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PagerModel"/> class.
/// </summary>
/// <param name="pageModel">The page model.</param>
/// <param name="action">The action.</param>
/// <param name="controller">The controller.</param>
/// <param name="routeValues">The route values.</param>
public PagerModel(IPagedModel pageModel, string action, string controller = null, object routeValues = null)
{
Controller = controller;
_routeValues = new RouteValueDictionary(routeValues);
_routeValues.Add(PageRouteConst, 0);
Action = action;
CurrentPage = pageModel.CurrentPage;
PagesNumber = pageModel.PagesNumber;
TotalCount = pageModel.Count;
StartItemNumber = (pageModel.CurrentPage - 1) * pageModel.PageItems + 1;
if (StartItemNumber < 0)
{
StartItemNumber = 0;
}
EndItemNumber = StartItemNumber + pageModel.PageItems - 1;
if (EndItemNumber > TotalCount)
{
EndItemNumber = TotalCount;
}
if (StartItemNumber > EndItemNumber)
{
StartItemNumber = EndItemNumber;
}
}
/// <summary>
/// El helper utiliza bootsrap para dibujarse, ocupa un div de col-7
/// </summary>
/// <param name="html">Objeto helper</param>
/// <param name="model">Modelo que implemente IPagedModel</param>
/// <param name="actionName">Action al que debe ser redirigido</param>
/// <param name="controllerName">Controller al que se debe redirigir</param>
/// <returns></returns>
public static IHtmlString Pager <T>(this HtmlHelper html, IPagedModel <T> model, string actionName, string controllerName)
{
var sb = new StringBuilder();
var urlHelper = new UrlHelper(html.ViewContext.RequestContext);
sb.Append(@"<div class='col-7'><nav aria-label='Pager'><ul class='pagination'>");
if (model.CurrentPage != 1)
{
sb.Append(
$"<li class='page-item'><a class='page-link' href='{urlHelper.Action(actionName, controllerName, new { page = model.CurrentPage - 1, pageSize = model.PageSize })}'>Anterior</a></li>");
}
if (model.CurrentPage - 5 > 1)
{
sb.Append(
$"<li class='page-item'><a class='page-link href='{urlHelper.Action(actionName, controllerName, new { page = model.CurrentPage - 5, pageSize = model.PageSize })}'>-5</a></li>");
}
if (model.TotalPages > 5)
{
for (var i = model.CurrentPage; i <= model.CurrentPage + 5; i++)
{
if (model.CurrentPage == i)
{
sb.Append(
$"<li class='page-item active'><a href='{urlHelper.Action(actionName, controllerName, new { page = i, pageSize = model.PageSize })}' class='page-link'>{i}</a></li>");
}
else
{
sb.Append(
$"<li class='page-item'><a href='{urlHelper.Action(actionName, controllerName, new { page = i, pageSize = model.PageSize })}' class='page-link'>{i}</a></li>");
}
}
}
else
{
for (var i = 1; i <= model.TotalPages; i++)
{
if (model.CurrentPage == i)
{
sb.Append(
$"<li class='page-item active'><a href='{urlHelper.Action(actionName, controllerName, new { page = i, pageSize = model.PageSize })}' class='page-link'>{i}</a></li>");
}
else
{
sb.Append(
$"<li class='page-item'><a href='{urlHelper.Action(actionName, controllerName, new { page = i, pageSize = model.PageSize })}' class='page-link'>{i}</a></li>");
}
}
}
if (model.CurrentPage + 5 < model.TotalPages)
{
sb.Append($"<li class='page-item'><a class='page-link' href='{urlHelper.Action(actionName, controllerName, new { page = model.CurrentPage + 5, pageSize = model.PageSize })}'>+5</a></li>");
}
if (model.CurrentPage != model.TotalPages)
{
sb.Append(
$"<li class='page-item'><a class='page-link' href='{urlHelper.Action(actionName, controllerName, new { page = model.CurrentPage + 1, pageSize = model.PageSize })}'>Siguiente</a></li>");
}
sb.Append(
"</ul></nav></div>");
return(new MvcHtmlString(sb.ToString()));
}
public static Task <List <TDestination> > ProjectToPagedListAsync <TDestination, TSource, TKey>(this IQueryable <TSource> queryable, Expression <Func <TSource, TKey> > keySelector, SortOrder sortOrder, IPagedModel request, IMapper mapper) => queryable.OrderBy(keySelector, sortOrder).ProjectToPagedListAsync <TDestination>(request, mapper);
public static Task <List <TDestination> > ProjectToPagedListAsync <TDestination>(this IQueryable queryable, IPagedModel request, IMapper mapper) => queryable.ProjectTo <TDestination>(mapper.ConfigurationProvider).DecompileAsync().ToPagedListAsync(request);
public static Task <List <T> > ToPagedListAsync <T>(this IQueryable <T> queryable, IPagedModel request) => queryable.ToPagedListAsync(request.PageNumber, request.PageSize);
