public PathDataSpecification this[string path]
{
get
{
PathDataSpecification spec = this.PathDataSpecs.FirstOrDefault(pds => pds.PropertyPath == path);
if (spec != null)
{
return(spec);
}
spec = new PathDataSpecification {
PropertyPath = path
};
this.PathDataSpecs.Add(spec);
return(spec);
}
set
{
PathDataSpecification spec = this.PathDataSpecs.FirstOrDefault(pds => pds.PropertyPath == path);
if (spec != null)
{
this.PathDataSpecs.Remove(spec);
}
this.PathDataSpecs.Add(value);
}
}
public PagingInfo(string dataPath, int pageNumbersWindow)
{
this.dataPath = dataPath;
this.PageNumbersWindow = pageNumbersWindow;
HttpContext httpc = HttpContext.Current;
rds = RequestDataSpecification.Current;
pathData = rds[dataPath];
urlBase = httpc.Request.RawUrl.UpTo("?");
queryValues = httpc.Request.RawUrl.After("?")
.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries)
.Select(w => new KeyValuePair<string,string>(w.UpTo("="), w.After("=")))
.ToList();
foreach (var formField in httpc.Request.Form.ToKeyValues())
queryValues.Add(new KeyValuePair<string,string>(formField.Key, HttpUtility.UrlEncode(formField.Value)));
}
public PagingInfo(string dataPath, int pageNumbersWindow)
{
this.dataPath = dataPath;
this.PageNumbersWindow = pageNumbersWindow;
HttpContext httpc = HttpContext.Current;
rds = RequestDataSpecification.Current;
pathData = rds[dataPath];
urlBase = httpc.Request.RawUrl.UpTo("?");
queryValues = httpc.Request.RawUrl.After("?")
.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries)
.Select(w => new KeyValuePair <string, string>(w.UpTo("="), w.After("=")))
.ToList();
foreach (var formField in httpc.Request.Form.ToKeyValues())
{
queryValues.Add(new KeyValuePair <string, string>(formField.Key, HttpUtility.UrlEncode(formField.Value)));
}
}
public PathDataSpecification this[string path]
{
get
{
PathDataSpecification spec = this.PathDataSpecs.FirstOrDefault(pds => pds.PropertyPath == path);
if (spec != null) return spec;
spec = new PathDataSpecification { PropertyPath = path };
this.PathDataSpecs.Add(spec);
return spec;
}
set
{
PathDataSpecification spec = this.PathDataSpecs.FirstOrDefault(pds => pds.PropertyPath == path);
if (spec != null)
this.PathDataSpecs.Remove(spec);
this.PathDataSpecs.Add(value);
}
}
public static IQueryable <TElement> ProcessBySpecification <TElement>(this IQueryable <TElement> source, PathDataSpecification spec, int?pageLength)
{
IQueryable <TElement> result = source;
if (!string.IsNullOrEmpty(spec.FilterExpression))
{
result = result.Where(spec.FilterExpression);
}
bool doPaging = (pageLength.HasValue || (spec.Page.HasValue && spec.PageLength.HasValue));
if (doPaging)
{
spec.FilteredCount = result.Count();
}
if (!string.IsNullOrEmpty(spec.SortKey))
{
result = result.OrderBy(spec.SortKey);
}
if (doPaging)
{
spec.Page = spec.Page ?? 0;
spec.PageLength = pageLength ?? spec.PageLength.Value;
result = result.Skip(spec.PageLength.Value * spec.Page.Value).Take(spec.PageLength.Value);
}
return(result);
}
public static IQueryable <TElement> ProcessBySpecification <TElement>(this IQueryable <TElement> source, PathDataSpecification spec)
{
return(source.ProcessBySpecification(spec, null));
}
