bbwyb/BBWYB.Server.Business/PurchaseScheme/PurchaseSchemeBusiness.cs

using BBWYB.Common.Extensions;
using BBWYB.Common.Log;
using BBWYB.Common.Models;
using BBWYB.Server.Model.Db;
using BBWYB.Server.Model.Dto;
using Yitter.IdGenerator;

namespace BBWYB.Server.Business
{
    public class PurchaseSchemeBusiness : BaseBusiness, IDenpendency
    {
        private PurchaseProductAPIService purchaseProductAPIService;

        public PurchaseSchemeBusiness(IFreeSql fsql, NLogManager nLogManager, IIdGenerator idGenerator, PurchaseProductAPIService purchaseProductAPIService) : base(fsql, nLogManager, idGenerator)
        {
            this.purchaseProductAPIService = purchaseProductAPIService;
        }

        private void ExtractNewPurchaser<T>(IList<T> purchaserSchemeList, IList<Purchaser> addPurchaserList) where T : InputPurchaseSchemeRequest
        {
            var reqeustPurchaserIdList = purchaserSchemeList.Select(s => s.PurchaserId).Distinct().ToList();
            var existPurchaserIdList = fsql.Select<Purchaser>().Where(p => reqeustPurchaserIdList.Contains(p.Id)).ToList(p => p.Id);
            var newPurchaserIdList = reqeustPurchaserIdList.Except(existPurchaserIdList);
            foreach (var scheme in purchaserSchemeList)
            {
                if (newPurchaserIdList.Any(p => p == scheme.PurchaserId) && !addPurchaserList.Any(p => p.Id == scheme.PurchaserId))
                {
                    addPurchaserList.Add(new Purchaser()
                    {
                        Id = scheme.PurchaserId,
                        Name = scheme.PurchaserName,
                        Location = scheme.PurchaserLocation,
                        Platform = scheme.PurchasePlatform
                    });
                }
            }
        }

        public void EditPurchaseScheme(BatchCURDSchemeRequest batchCURDSchemeRequest)
        {
            if (batchCURDSchemeRequest.EditPurchaseSchemeList.Count == 0 && batchCURDSchemeRequest.AddPurchaseSchemeList.Count == 0)
                throw new BusinessException("非法参数");
            if (batchCURDSchemeRequest.AddPurchaseSchemeList.Any(p => string.IsNullOrEmpty(p.PurchaserId) ||
                                                                      string.IsNullOrEmpty(p.PurchaserName)))
                throw new BusinessException("新增方案中有采购商Id/Name/Location为空");

            if (batchCURDSchemeRequest.AddPurchaseSchemeList.Any(p => string.IsNullOrEmpty(p.PurchaserId) ||
                                                                      string.IsNullOrEmpty(p.PurchaserName)))
                throw new BusinessException("编辑方案中有采购商Id/Name/Location为空");

            List<PurchaseScheme> addPurchaseSchemeList = null;
            List<PurchaseSchemeProduct> addPurchaseSchemeProductList = new List<PurchaseSchemeProduct>();
            List<PurchaseSchemeProductSku> addPurchaseSchemeProductSkuList = new List<PurchaseSchemeProductSku>();
            List<Purchaser> newPurchaserList = new List<Purchaser>();
            List<long> deletePurchaseSchemeIdList = new List<long>();

            #region 新增采购方案
            if (batchCURDSchemeRequest.AddPurchaseSchemeList.Count > 0)
            {
                ExtractNewPurchaser(batchCURDSchemeRequest.AddPurchaseSchemeList, newPurchaserList);

                addPurchaseSchemeList = batchCURDSchemeRequest.AddPurchaseSchemeList.Map<List<PurchaseScheme>>();

                foreach (var scheme in addPurchaseSchemeList)
                {
                    scheme.Id = idGenerator.NewLong();
                    scheme.CreateTime = DateTime.Now;

                    foreach (var purchaseProduct in scheme.PurchaseSchemeProductList)
                    {
                        purchaseProduct.Id = idGenerator.NewLong();
                        purchaseProduct.CreateTime = DateTime.Now;
                        purchaseProduct.SkuPurchaseSchemeId = scheme.Id;
                        foreach (var purchaseProductSku in purchaseProduct.PurchaseSchemeProductSkuList)
                        {
                            purchaseProductSku.Id = idGenerator.NewLong();
                            purchaseProductSku.CreateTime = DateTime.Now;
                            purchaseProductSku.SkuPurchaseSchemeId = scheme.Id;
                        }
                        addPurchaseSchemeProductSkuList.AddRange(purchaseProduct.PurchaseSchemeProductSkuList);
                    }
                    addPurchaseSchemeProductList.AddRange(scheme.PurchaseSchemeProductList);
                }
            }
            #endregion

            #region 更新采购方案
            if (batchCURDSchemeRequest.EditPurchaseSchemeList.Count > 0)
            {
                //ExtractNewPurchaser(batchCURDSchemeRequest.EditPurchaseSchemeList, newPurchaserList);
                deletePurchaseSchemeIdList.AddRange(batchCURDSchemeRequest.EditPurchaseSchemeList.Select(ps => ps.Id));

                var editPurchaseSchemeList = batchCURDSchemeRequest.EditPurchaseSchemeList.Map<List<Model.Db.PurchaseScheme>>();
                foreach (var scheme in editPurchaseSchemeList)
                {
                    foreach (var purchaseProduct in scheme.PurchaseSchemeProductList)
                    {
                        purchaseProduct.Id = idGenerator.NewLong();
                        purchaseProduct.CreateTime = DateTime.Now;
                        purchaseProduct.SkuPurchaseSchemeId = scheme.Id;
                        foreach (var purchaseProductSku in purchaseProduct.PurchaseSchemeProductSkuList)
                        {
                            purchaseProductSku.Id = idGenerator.NewLong();
                            purchaseProductSku.CreateTime = DateTime.Now;
                            purchaseProductSku.SkuPurchaseSchemeId = scheme.Id;
                        }
                        addPurchaseSchemeProductSkuList.AddRange(purchaseProduct.PurchaseSchemeProductSkuList);
                    }
                    addPurchaseSchemeProductList.AddRange(scheme.PurchaseSchemeProductList);
                }
            }
            #endregion

            fsql.Transaction(() =>
            {
                if (newPurchaserList.Count > 0)
                    fsql.Insert(newPurchaserList).ExecuteAffrows();

                //更新，删除已存在的采购方案商品和Sku
                if (deletePurchaseSchemeIdList.Count > 0)
                {
                    fsql.Delete<PurchaseSchemeProduct>().Where(p => deletePurchaseSchemeIdList.Contains(p.SkuPurchaseSchemeId)).ExecuteAffrows();
                    fsql.Delete<PurchaseSchemeProductSku>().Where(p => deletePurchaseSchemeIdList.Contains(p.SkuPurchaseSchemeId)).ExecuteAffrows();
                }

                //新增
                if (addPurchaseSchemeList != null && addPurchaseSchemeList.Count > 0)
                    fsql.Insert(addPurchaseSchemeList).ExecuteAffrows();
                if (addPurchaseSchemeProductList.Count > 0)
                    fsql.Insert(addPurchaseSchemeProductList).ExecuteAffrows();
                if (addPurchaseSchemeProductSkuList.Count > 0)
                    fsql.Insert(addPurchaseSchemeProductSkuList).ExecuteAffrows();

            });
        }

        /// <summary>
        /// 获取采购方案
        /// </summary>
        /// <param name="querySchemeRequest"></param>
        /// <returns></returns>
        public IList<PurchaseSchemeResponse> GetPurchaseSchemeList(QuerySchemeRequest querySchemeRequest)
        {
            var select = fsql.Select<PurchaseScheme, Purchaser>().InnerJoin((ps, p) => ps.PurchaserId == p.Id);
            if (querySchemeRequest.SchemeId != null && querySchemeRequest.SchemeId != 0)
                select = select.Where((ps, p) => ps.Id == querySchemeRequest.SchemeId);
            else
            {
                select = select.WhereIf(querySchemeRequest.ShopId != null && querySchemeRequest.ShopId != 0, (ps, p) => ps.ShopId == querySchemeRequest.ShopId)
                               .WhereIf(querySchemeRequest.SkuIdList != null && querySchemeRequest.SkuIdList.Count() > 0, (ps, p) => querySchemeRequest.SkuIdList.Contains(ps.SkuId))
                               .WhereIf(!string.IsNullOrEmpty(querySchemeRequest.PurchaserId), (ps, p) => ps.PurchaserId == querySchemeRequest.PurchaserId)
                               .WhereIf(querySchemeRequest.PurchasePlatform != null, (ps, p) => ps.PurchasePlatform == querySchemeRequest.PurchasePlatform);
            }

            var purchaseSchemeList = select.ToList((ps, p) => new PurchaseSchemeResponse
            {
                Id = ps.Id,
                ProductId = ps.ProductId,
                SkuId = ps.SkuId,
                ShopId = ps.ShopId,
                PurchaserId = p.Id,
                PurchaserName = p.Name,
                PurchaserLocation = p.Location,
                DefaultCost = ps.DefaultCost,
                RealCost = ps.RealCost,
                CreateTime = ps.CreateTime,
                PurchasePlatform = ps.PurchasePlatform,
                LastPurchaseTime = ps.LastPurchaseTime
            });

            if (purchaseSchemeList.Count > 0)
            {
                var purchaseSchemeIdList = purchaseSchemeList.Select(p => p.Id).ToList();

                var purchaseSchemeProductList = fsql.Select<PurchaseSchemeProduct>().Where(p => purchaseSchemeIdList.Contains(p.SkuPurchaseSchemeId))
                                                                                    .ToList().Map<List<PurchaseSchemeProductResponse>>();

                var purchaseSchemeProductSkuList = fsql.Select<PurchaseSchemeProductSku>().Where(p => purchaseSchemeIdList.Contains(p.SkuPurchaseSchemeId))
                                                                                          .ToList().Map<List<PurchaseSchemeProductSkuResponse>>();

                foreach (var scheme in purchaseSchemeList)
                {
                    var schemeProductList = purchaseSchemeProductList.Where(ps => ps.SkuPurchaseSchemeId == scheme.Id);
                    if (schemeProductList.Count() > 0)
                    {
                        scheme.PurchaseSchemeProductList.AddRange(schemeProductList);
                        foreach (var schemeProduct in schemeProductList)
                        {
                            var schemeProductSkuList = purchaseSchemeProductSkuList.Where(psk => psk.SkuPurchaseSchemeId == scheme.Id &&
                                                                                                 psk.PurchaseProductId == schemeProduct.PurchaseProductId);
                            if (schemeProductSkuList.Count() > 0)
                                schemeProduct.PurchaseSchemeProductSkuList.AddRange(schemeProductSkuList);
                        }
                    }
                }
            }
            return purchaseSchemeList;
        }

        /// <summary>
        /// 获取共同拥有的采购商
        /// </summary>
        /// <param name="querySchemeRequest"></param>
        /// <returns></returns>
        public IList<Purchaser> GetSharePurchaser(QuerySchemeRequest querySchemeRequest)
        {
            var skuCount = querySchemeRequest.SkuIdList.Count();

            var purchaseSchemeList = fsql.Select<PurchaseScheme, Purchaser>().InnerJoin((ps, p) => ps.PurchaserId == p.Id)
                                         .Where((ps, p) => ps.ShopId == querySchemeRequest.ShopId)
                                         .Where((ps, p) => querySchemeRequest.SkuIdList.Contains(ps.SkuId))
                                         .ToList();
            if (purchaseSchemeList.Count() == 0)
                return null;

            var group = purchaseSchemeList.GroupBy(p => p.PurchaserId);
            var sharePurchaserIdList = new List<string>();
            foreach (var g in group)
            {
                if (g.Count() == skuCount)
                    sharePurchaserIdList.Add(g.Key);
            }
            if (sharePurchaserIdList.Count == 0)
                return null;

            return fsql.Select<Purchaser>().Where(p => sharePurchaserIdList.Contains(p.Id)).ToList();
        }

        public void DeletePurchaser(DeletePurchaseSchemeRequest deletePurchaseSchemeRequest)
        {
            var purchaseSchemeIdList = fsql.Select<PurchaseScheme>().Where(ps => ps.ProductId == deletePurchaseSchemeRequest.ProductId &&
                                                                                 ps.PurchaserId == deletePurchaseSchemeRequest.PurchaserId).ToList(ps => ps.Id);

            fsql.Transaction(() =>
            {
                fsql.Delete<PurchaseScheme>(purchaseSchemeIdList).ExecuteAffrows();
                fsql.Delete<PurchaseSchemeProduct>().Where(psp => purchaseSchemeIdList.Contains(psp.SkuPurchaseSchemeId)).ExecuteAffrows();
                fsql.Delete<PurchaseSchemeProductSku>().Where(psps => purchaseSchemeIdList.Contains(psps.SkuPurchaseSchemeId)).ExecuteAffrows();
            });
        }

        public void DeletePurchaseScheme(long schemeId)
        {
            fsql.Transaction(() =>
            {
                fsql.Delete<PurchaseScheme>(schemeId).ExecuteAffrows();
                fsql.Delete<PurchaseSchemeProduct>().Where(p => p.SkuPurchaseSchemeId == schemeId).ExecuteAffrows();
                fsql.Delete<PurchaseSchemeProductSku>().Where(p => p.SkuPurchaseSchemeId == schemeId).ExecuteAffrows();
            });
        }

        /// <summary>
        /// 获取采购Sku的基本信息
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public PurchaseSkuBasicInfoResponse GetPurchaseSkuBasicInfo(PurchaseSkuBasicInfoRequest request)
        {
            return purchaseProductAPIService.GetProductInfo(request);
        }
    }
}