public RedirectToActionResult PageSize(int pagesize)
{
var builder = new GameGridBuilder(HttpContext.Session);
builder.CurrentRoute.PageSize = pagesize;
builder.SaveRouteSegments();
return(RedirectToAction("List", builder.CurrentRoute));
}
// dto has properties for the paging, sorting, and filtering route segments defined in the Startup.cs file
public ViewResult List(GameGridDTO values)
{
// get grid builder, which loads route segment values and stores them in session
var builder = new GameGridBuilder(HttpContext.Session, values,
defaultSortField: nameof(Game.Name));
// create a GameQueryOptions object to build a query expression for a page of data
var options = new GameQueryOptions
{
Includes = "Genre, Type, Format, Rating, Publisher",
OrderByDirection = builder.CurrentRoute.SortDirection,
PageNumber = builder.CurrentRoute.PageNumber,
PageSize = builder.CurrentRoute.PageSize
};
// call the SortFilter() method of the GameQueryOptions object and pass it the builder
// object. It uses the route information and the properties of the builder object to
// add sort and filter options to the query expression.
options.SortFilter(builder);
// create view model and add page of game data, data for drop-downs,
// the current route, and the total number of pages.
var vm = new GameListViewModel
{
Games = data.Games.List(options),
Genres = data.Genres.List(new QueryOptions <Genre>
{
OrderBy = g => g.Name
}),
Types = data.Types.List(new QueryOptions <Type>
{
OrderBy = t => t.Name
}),
Formats = data.Formats.List(new QueryOptions <Format>
{
OrderBy = f => f.Name
}),
Ratings = data.Ratings.List(new QueryOptions <Rating>
{
OrderBy = r => r.Name
}),
Publishers = data.Publishers.List(new QueryOptions <Publisher>
{
OrderBy = p => p.Name
}),
CurrentRoute = builder.CurrentRoute,
TotalPages = builder.GetTotalPages(data.Games.Count)
};
// pass view model to view
return(View(vm));
}
public RedirectToActionResult Filter(string[] filter, bool clear = false)
{
// get current route segments from session
var builder = new GameGridBuilder(HttpContext.Session);
// clear or update filter route segment values.
if (clear)
{
builder.ClearFilterSegments();
}
else
{
builder.LoadFilterSegments(filter);
}
// save route data back to session and redirect to Game/List action method,
// passing dictionary of route segment values to build URL
builder.SaveRouteSegments();
return(RedirectToAction("List", builder.CurrentRoute));
}
// Use this for initialization
void Start()
{
GameGridBuilder.Instance = this;
}