using CMS.Plugin.HIAWms.Application.Contracts.Dtos.CommonDto;
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using CMS.Plugin.HIAWms.Application.Contracts.Dtos.WmsMaterialStocks;
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using CMS.Plugin.HIAWms.Application.Contracts.Dtos.WmsPlaces;
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using CMS.Plugin.HIAWms.Application.Contracts.Services;
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using CMS.Plugin.HIAWms.Domain.WmsMaterials;
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using CMS.Plugin.HIAWms.Domain.WmsMaterialStocks;
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using CMS.Plugin.HIAWms.Domain.WmsPlaces;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Volo.Abp;
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namespace CMS.Plugin.HIAWms.Application.Implements
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{
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/// <summary>
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/// 公共操作服务
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/// </summary>
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public class WmsCommonAppService : CMSPluginAppService,IWmsCommonAppService
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{
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private readonly IWmsMaterialRepository _wmsMaterialRepository;
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private readonly IWmsPlaceRepository _wmsPlaceRepository;
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private readonly IWmsMaterialStockRepository _wmsMaterialStockRepository;
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public WmsCommonAppService(IWmsMaterialRepository wmsMaterialRepository,
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IWmsPlaceRepository wmsPlaceRepository,
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IWmsMaterialStockRepository wmsMaterialStockRepository
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)
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{
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_wmsMaterialRepository = wmsMaterialRepository;
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_wmsPlaceRepository = wmsPlaceRepository;
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_wmsMaterialStockRepository = wmsMaterialStockRepository;
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}
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/// <summary>
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/// 查找空库位
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/// </summary>
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/// <param name="materialModel"></param>
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/// <param name="materialNo"></param>
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/// <param name="requiredNum"></param>
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/// <returns></returns>
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/// <exception cref="UserFriendlyException"></exception>
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public async Task<Dictionary<WmsPlaceDto, int>> FindAvailablePlacesAsync(string materialModel,int requiredNum, string materialNo="" )
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{
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// 1. 获取所有库存和库位信息
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var stockList = await _wmsMaterialStockRepository.GetListAsync(new WmsMaterialStock());
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var allPlaceList = ObjectMapper.Map<List<WmsPlace>, List<WmsPlaceDto>>(await _wmsPlaceRepository.GetListAsync(new WmsPlace()));
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// 2. 查找相同物料型号和编号的库存（按库存量降序）
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var sameModelStocks = stockList
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.Where(x => x.MaterialModel == materialModel)
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.WhereIf(!string.IsNullOrEmpty(materialNo), x => x.MaterialNo == materialNo)
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.OrderByDescending(x => x.StockNumber)
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.ToList();
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var availablePlaces = new Dictionary<WmsPlaceDto, int>();
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int remainingNum = requiredNum;
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// 3. 优先检查已有库存的库位是否能存放（相同 MaterialNo）
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foreach (var stock in sameModelStocks)
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{
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if (remainingNum <= 0) break; // 数量已分配完
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var placeInfo = allPlaceList.FirstOrDefault(x => x.PlaceNo == stock.PlaceNo);
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if (placeInfo == null) continue;
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int availableSpace = placeInfo.MaxStockNumber - stock.StockNumber;
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if (availableSpace <= 0) continue;
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int allocatedNum = Math.Min(availableSpace, remainingNum);
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availablePlaces.Add(placeInfo, allocatedNum);
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remainingNum -= allocatedNum;
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}
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// 4. 如果仍有剩余，查找空库位
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if (remainingNum > 0)
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{
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var usedPlaceNos = stockList.Select(x => x.PlaceNo).Distinct().ToList();
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var emptyPlaces = allPlaceList
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.Where(x => !usedPlaceNos.Contains(x.PlaceNo))
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.ToList();
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foreach (var place in emptyPlaces)
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{
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if (remainingNum <= 0) break;
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int allocatedNum = Math.Min(place.MaxStockNumber, remainingNum);
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availablePlaces.Add(place, allocatedNum);
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remainingNum -= allocatedNum;
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}
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}
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// 5. 如果仍有剩余，说明库位不足
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if (remainingNum > 0)
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{
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throw new UserFriendlyException($"库位不足，还差 {remainingNum} 个无法存放！");
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}
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return availablePlaces;
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}
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/// <summary>
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/// 查找库存
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/// </summary>
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/// <param name="materialModel"></param>
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/// <param name="requiredNum"></param>
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/// <param name="materialNo"></param>
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/// <returns></returns>
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public async Task<Dictionary<WmsMaterialStockDto, int>> FindStockAsync(string materialModel, int requiredNum, string materialNo = "")
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{
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// 1. 获取所有库存（排除锁定库存）
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var stockList = (await _wmsMaterialStockRepository.GetListAsync(new WmsMaterialStock()))
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.Where(x => x.IsLock == Domain.Shared.Enums.YesNoEnum.N)
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.ToList();
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// 2. 筛选匹配物料
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var availableStocklist = stockList
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.Where(x => x.MaterialModel == materialModel)
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.WhereIf(!string.IsNullOrEmpty(materialNo), x => x.MaterialNo == materialNo)
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.OrderBy(x => x.StockNumber) // 优先从库存少的库位出
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.ToList();
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var availableStocks = ObjectMapper.Map<List<WmsMaterialStock>, List<WmsMaterialStockDto>>(availableStocklist);
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// 3. 检查总库存是否足够
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int totalAvailable = availableStocks.Sum(x => x.StockNumber);
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if (totalAvailable < requiredNum)
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{
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throw new UserFriendlyException(
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$"库存不足！需求: {requiredNum}, 可用: {totalAvailable}, 缺: {requiredNum - totalAvailable}");
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}
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// 4. 计算各库位出库数量
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var allocation = new Dictionary<WmsMaterialStockDto, int>(); // <库位号, 出库数>
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int remaining = requiredNum;
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foreach (var stock in availableStocks)
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{
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if (remaining <= 0) break;
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int deductAmount = Math.Min(stock.StockNumber, remaining);
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allocation.Add(stock, deductAmount);
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remaining -= deductAmount;
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}
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return allocation;
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}
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}
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}
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