Ejemplo n.º 1
0
        public IActionResult Search2([FromBody] JobSearch2 model)
        {
            SearchCarouselListResult result = this.carouselService.Search2(model.Keywords, model.PageNo, model.PageSize, model.BlockSize);

            return(Ok(result));
        }
Ejemplo n.º 2
0
        public SearchCarouselListResult Search2(string Keywords, int PageNo, int PageSize, int BlockSize)
        {
            SearchCarouselListResult result = new SearchCarouselListResult();

            PageSize  = PageSize <= 0 ? 10 : PageSize;
            BlockSize = BlockSize <= 0 ? 10 : BlockSize;

            int        Start           = 0;
            int        Stop            = 0;
            int        NumberOfPages   = 0;
            int        NumberOfBlocks  = 0;
            int        BlockNo         = 0;
            int        NumberOfRecords = 0;
            List <int> Ids             = new List <int>()
            {
            };

            if (string.IsNullOrEmpty(Keywords))
            {
                Ids = this.datacontext.Carousels.OrderBy(o => o.Location).Select(s => s.CarouselId).ToList <int>();
            }
            else
            {
                Ids = this.datacontext.Carousels.Where(w => w.Location.StartsWith(Keywords)).OrderBy(o => o.Location).Select(s => s.CarouselId).ToList <int>();
            }

            NumberOfRecords = Ids.Count;

            if (NumberOfRecords == 0)
            {
                NumberOfPages  = 0;
                NumberOfBlocks = 0;
                PageNo         = 0;
                BlockNo        = 0;
            }
            else
            {
                if (NumberOfRecords <= PageSize)
                {
                    NumberOfPages  = 1;
                    NumberOfBlocks = 1;
                    PageNo         = 1;
                    BlockNo        = 1;
                }
                else
                {
                    NumberOfPages = NumberOfRecords / PageSize;
                    if (NumberOfRecords % PageSize > 0)
                    {
                        NumberOfPages++;
                    }

                    NumberOfBlocks = NumberOfPages / BlockSize;
                    if (NumberOfPages % BlockSize > 0)
                    {
                        NumberOfBlocks++;
                    }

                    if (PageNo > NumberOfPages)
                    {
                        PageNo = NumberOfPages;
                    }

                    if (PageNo <= BlockSize)
                    {
                        BlockNo = 1;
                    }
                    else
                    {
                        BlockNo = (int)Math.Abs(Math.Floor((decimal)PageNo / (decimal)BlockSize));
                        if (PageNo % BlockSize > 0)
                        {
                            BlockNo++;
                        }
                    }
                }

                Start = ((BlockNo - 1) * BlockSize) + 1;
                Stop  = BlockNo * BlockSize;

                if (Stop > NumberOfPages)
                {
                    Stop = NumberOfPages;
                }

                for (int i = Start; i <= Stop; i++)
                {
                    result.Pages.Add(i);
                }

                if (NumberOfBlocks == 1)
                {
                    result.First = null;
                    result.Prev  = null;
                    result.Next  = null;
                    result.Last  = null;
                }
                else
                {
                    if (BlockNo == NumberOfBlocks)
                    {
                        result.First = 1;
                        result.Prev  = PageNo - 1;
                        result.Next  = null;
                        result.Last  = null;
                    }
                    else if (BlockNo == 1)
                    {
                        result.First = null;
                        result.Prev  = null;
                        result.Next  = PageNo + 1;
                        result.Last  = NumberOfPages;
                    }
                    else
                    {
                        result.First = 1;
                        result.Prev  = PageNo - 1;
                        result.Next  = PageNo + 1;
                        result.Last  = NumberOfPages;
                    }
                }

                int                   Skip        = (Start - 1) * PageSize;
                int                   Take        = (Stop - (Start - 1)) * PageSize;
                List <int>            filteredIds = Ids.Skip(Skip).Take(Take).ToList();
                int                   test        = this.datacontext.Carousels.Count();
                List <CarouselSimple> temps       = this.datacontext.Carousels.Where(w => filteredIds.Contains(w.CarouselId)).Select(s => new CarouselSimple(s.CarouselId, s.Location, s.PublishedDate)).ToList();

                List <CarouselSimple> collection = new List <CarouselSimple>();
                int count = 0;
                for (int i = 0; i < temps.Count(); i++)
                {
                    collection.Add(temps[i]);
                    count++;
                    if (count >= PageSize || i == temps.Count() - 1)
                    {
                        result.Carousels.Add(collection);
                        collection = new List <CarouselSimple>();
                        count      = 0;
                    }
                }
            }
            result.NumberOfPages  = NumberOfPages;
            result.SelectedPageNo = PageNo;
            if (PageNo > result.Pages.Count)
            {
                result.SelectedIndex = (PageNo - ((BlockNo - 1) * BlockSize) - 1);
            }
            else
            {
                result.SelectedIndex = PageNo - 1;
            }
            return(result);
        }