public RentalAnnouncementPageViewModel GetRentalAnnouncements(int page, int pageSize)
{
RentalAnnouncementPageDto announcements = _rentalAnnouncementService.GetPageWithFilters(page, pageSize, HttpContext.Current.Request.QueryString);
RentalAnnouncementPageViewModel results = _mapper.Map <RentalAnnouncementPageViewModel>(announcements);
return(results);
}
public RentalAnnouncementPageDto GetPageWithFilters(Int32 pageNumber, Int32 pageSize, NameValueCollection filteringParams)
{
Int32 maxCost, minCost, maxArea, minArea;
try
{
maxCost = String.IsNullOrEmpty(filteringParams["maxCost"]) ? Int32.MaxValue : Int32.Parse(filteringParams["maxCost"]);
minCost = String.IsNullOrEmpty(filteringParams["minCost"]) ? 0 : Int32.Parse(filteringParams["minCost"]);
maxArea = String.IsNullOrEmpty(filteringParams["maxArea"]) ? Int32.MaxValue : Int32.Parse(filteringParams["maxArea"]);
minArea = String.IsNullOrEmpty(filteringParams["minArea"]) ? 0 : Int32.Parse(filteringParams["minArea"]);
}
catch
{
throw new ArgumentException("Invalid filter parameter");
}
IQueryable <RentalAnnouncement> announcements = _repository.GetAll();
announcements = announcements.Where(announcement =>
(announcement.Cost >= minCost && announcement.Cost <= maxCost) &&
(announcement.Area >= minArea && announcement.Area <= maxArea) &&
announcement.Reservations.All(reservation => ((!reservation.IsActive) && (reservation.IsConfirmed)) || ((!reservation.IsRejected) && (reservation.IsConfirmed))));
int skip = (pageNumber - 1) * pageSize;
Int32 announcementCount = (int)Math.Ceiling(announcements.Count() / (float)pageSize);
announcements = announcements.OrderByDescending(g => g.Id).Skip(skip).Take(pageSize);
List <RentalAnnouncementDto> rentalAnnouncementDtos = _mapper.Map <IEnumerable <RentalAnnouncement>, List <RentalAnnouncementDto> >(announcements);
RentalAnnouncementPageDto rentalAnnouncementPageDto = new RentalAnnouncementPageDto
{
CurrentPage = pageNumber,
PageCount = announcementCount,
RentalAnnouncements = rentalAnnouncementDtos
};
return(rentalAnnouncementPageDto);
}
