protected LinkModel GetLastLink()
{
if (_pagedResponseModel.Total <= _pagedRequestModel.Take)
{
return(null);
}
var skipToNext = _pagedRequestModel.Skip + _pagedRequestModel.Take;
if (skipToNext >= _pagedResponseModel.Total)
{
return(null);
}
var skipToLast = (int)(Math.Ceiling((_pagedResponseModel.Total - (double)_pagedRequestModel.Take) / _pagedRequestModel.Take) * _pagedRequestModel.Take);
var pagedRequestModel = _pagedRequestModel.Clone();
pagedRequestModel.Skip = skipToLast;
var routeValueDictionary = new RouteValueDictionary(pagedRequestModel);
var link = new LinkModel
{
Method = _method,
Url = GetUrlWithQueries(_endpoint, routeValueDictionary),
Data = routeValueDictionary
};
return(link);
}
protected LinkModel GetNextLink()
{
var skipToNext = _pagedRequestModel.Skip + _pagedRequestModel.Take;
if (skipToNext >= _pagedResponseModel.Total)
{
return(null);
}
var pagedRequestModel = _pagedRequestModel.Clone();
pagedRequestModel.Skip = skipToNext;
var routeValueDictionary = new RouteValueDictionary(pagedRequestModel);
var link = new LinkModel
{
Method = _method,
Url = GetUrlWithQueries(_endpoint, routeValueDictionary),
Data = routeValueDictionary
};
return(link);
}
protected LinkModel GetPreviousLink()
{
if (_pagedRequestModel.Skip == 0 || _pagedResponseModel.Total <= _pagedRequestModel.Skip)
{
return(null);
}
var skipToPrevious = Math.Max(_pagedRequestModel.Skip - _pagedRequestModel.Take, 0);
if (skipToPrevious <= 0)
{
return(GetFirstLink());
}
var pagedRequestModel = _pagedRequestModel.Clone();
pagedRequestModel.Skip = skipToPrevious;
var routeValueDictionary = new RouteValueDictionary(pagedRequestModel);
var link = new LinkModel
{
Method = _method,
Url = GetUrlWithQueries(_endpoint, routeValueDictionary),
Data = routeValueDictionary
};
return(link);
}
protected LinkModel GetMetaLink()
{
var routeValueDictionary = new RouteValueDictionary(_pagedRequestModel);
var link = new LinkModel
{
Method = _method,
Url = GetUrlWithQueries(_endpoint, routeValueDictionary),
Data = routeValueDictionary
};
return(link);
}
protected LinkModel GetFirstLink()
{
var pagedRequestModel = _pagedRequestModel.Clone();
pagedRequestModel.Skip = 0;
var routeValueDictionary = new RouteValueDictionary(pagedRequestModel);
var link = new LinkModel
{
Method = _method,
Url = GetUrlWithQueries(_endpoint, routeValueDictionary),
Data = routeValueDictionary
};
return(link);
}
public PagedMetaModel(IUrlHelper urlHelper, TRequest pagedRequestModel, PagedResponseModel <TResponse> pagedResponseModel, HttpMethod method = HttpMethod.GET) : this(pagedResponseModel)
{
_pagedRequestModel = pagedRequestModel;
_method = method;
_endpoint = urlHelper.ActionContext.HttpContext.Request.Path.Value;
_endpoint = urlHelper.AbsoluteContent(_endpoint);
Meta = GetMetaLink();
First = GetFirstLink();
Previous = GetPreviousLink();
Next = GetNextLink();
Last = GetLastLink();
}
