public static List <Filter> ParseFiltersFromString(string filters)
{
var items = new List <Filter>();
if (!string.IsNullOrEmpty(filters))
{
var stringFilters = filters.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var stringFilter in stringFilters)
{
if (stringFilter.IndexOf('-') > 0)
{
var filter = new Filter();
var firstHyphen = stringFilter.IndexOf('-');
filter.FieldName = stringFilter.Substring(0, firstHyphen).UrlDecode();
if (stringFilter.IndexOf('-', firstHyphen + 1) > 0)
{
var secondHyphen = stringFilter.IndexOf('-', firstHyphen + 1);
filter.ValueFirst =
stringFilter.Substring(firstHyphen + 1, secondHyphen - firstHyphen - 1).UrlDecode();
filter.ValueLast =
stringFilter.Substring(secondHyphen + 1, stringFilter.Length - secondHyphen - 1).
UrlDecode();
}
else
{
filter.ValueFirst =
stringFilter.Substring(firstHyphen + 1, stringFilter.Length - firstHyphen - 1).UrlDecode
();
}
items.Add(filter);
} //if
} //for each
} //end if
return(items);
}
public static string Link(Filter f, HttpRequestBase httpRequestBase, ViewContext viewContext)
{
string sFilters = (string)viewContext.RouteData.Values["filters"];
var filters = FilterHelper.ParseFiltersFromString(sFilters);
string urlFilters;
if (filters != null)
{
if (!filters.Any(i => i.FieldName.ToLower() == f.FieldName.ToLower()))
{
filters.Add(f);
}
urlFilters = string.Join("/",
filters.OrderBy(i => i.FieldName).Select(
i => (i.FieldName.ToLower() == f.FieldName.ToLower()) ? f.Url : i.Url));
}
else
{
urlFilters = f.Url;
}
var rv = new RouteValueDictionary();
rv.Add("filters", urlFilters);
foreach (var key in httpRequestBase.QueryString.AllKeys)
{
if (key.ToLower() != "page")
{
rv.Add(key, httpRequestBase.QueryString[key]);
}
}
var urlHelper = new UrlHelper(httpRequestBase.RequestContext);
return(urlHelper.Action(f.OwnerType.SearchAction, f.OwnerType.Controller, rv));
}
public static string LinkExclude(Filter f, HttpRequestBase httpRequestBase, ViewContext viewContext, ItemType ownerType)
{
//RequestContext
string sFilters = (string)viewContext.RouteData.Values["filters"];
var filters = FilterHelper.ParseFiltersFromString(sFilters);
var rv = new RouteValueDictionary();
if (filters != null)
{
int index = filters.FindIndex(i => i.FieldName.ToLower() == f.FieldName.ToLower());
if (index >= 0)
{
filters.RemoveAt(index);
}
string urlFilters = string.Join("/",
filters.OrderBy(i => i.FieldName).Select(
i => (i.FieldName.ToLower() == f.FieldName.ToLower()) ? f.Url : i.Url));
rv.Add("filters", urlFilters);
}
foreach (var key in httpRequestBase.QueryString.AllKeys)
{
if (key.ToLower() != "page")
{
rv.Add(key, httpRequestBase.QueryString[key]);
}
}
var urlHelper = new UrlHelper(httpRequestBase.RequestContext);
// return urlHelper.Action("BoatsSearch", "Directory", rv);
return(urlHelper.Action(ownerType.SearchAction, ownerType.Controller, rv));
}