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317 lines
10 KiB
317 lines
10 KiB
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 Utils.Datas;
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using WeighBusiness.BO;
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using WeighBusiness.Utils;
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using WeighBusiness.Utils.SqlUtils;
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namespace WeighBusiness.BL
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{
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public class WeighBL
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{
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public static Weigh Load(long id)
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{
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Weigh result = LocalQueryUtil.GetLocalWeighHead(id);
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if (result == null)
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return result;
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var details = LocalQueryUtil.GetLocalWeighDetails(id);
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if (details == null || details.Count == 0)
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return result;
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foreach (var d in details) {
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result.Details.Add(d);
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}
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return result;
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}
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/// <summary>
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/// 获取最后插入的称重单
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/// </summary>
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public static Weigh LoadLast()
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{
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var idValue = LocalQueryUtil.GetLocalTableLastRowField(TableNames.称重表, "ID");
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if (idValue == null)
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return new Weigh();
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return Load(DataTypeUtil.GetLongNum(idValue));
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}
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public static bool Save(Weigh weigh)
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{
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if (weigh.IsChecked)
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throw new ApplicationException("已审核，不允许修改");
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if (weigh.ID == 0)
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return Insert(weigh);
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return Update(weigh);
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}
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public static bool Check(Weigh weigh)
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{
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var isSame = EntityBL.EnsureStateSame<Weigh>(weigh);
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if (!isSame)
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throw new ApplicationException("请先保存修改！");
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if (weigh.IsChecked)
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return true;
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weigh.IsChecked = true;
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bool success = Update(weigh);
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if (success)
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SynchronousUtil.InsertWeighSynchronous(weigh.ID);//增加需要同步的数据
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return success;
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}
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public static bool UnCheck(Weigh weigh, Func<long, int> DeleteRemoteWeigh)
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{
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var isSame = EntityBL.EnsureStateSame<Weigh>(weigh);
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if (!isSame)
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throw new ApplicationException("界面显示的数据与实际值不符。请重新打开单据！");
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if (!weigh.IsChecked)
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return true;
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weigh.IsChecked = false;
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if (weigh.Remote_Weigh_ID.HasValue) {
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var status = DeleteRemoteWeigh(weigh.Remote_Weigh_ID.Value);//0:单据不存在；1:已作废；2:删除成功；3:已审核；4:已完毕；5:删除报错
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ThrowDeleteErrorIfNeed(status);
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weigh.Remote_Weigh_ID = null;
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}
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var success = Update(weigh);
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if (success)
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SynchronousUtil.DeleteWeighSynchronous(weigh.ID);
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return success;
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}
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private static void ThrowDeleteErrorIfNeed(int status)//0:单据不存在；1:已作废；2:删除成功；3:已审核；4:已完毕；5:删除报错
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{
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if (status < 3)
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return;
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if (status == 3)
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throw new ApplicationException("对应的系统称重单已审核");
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if (status == 4)
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throw new ApplicationException("对应的系统称重单已完毕");
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if (status == 5)
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throw new ApplicationException("删除对应的系统称重单失败！请重试！如果多次删除失败，请登录系统查看对应的单据");
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}
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public static bool Update(Weigh weigh)
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{
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var oldWeigh = Load(weigh.ID);
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if (oldWeigh.RowVersion != weigh.RowVersion)
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throw new ApplicationException("对象已经被更改，请重新打开");
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weigh.RowVersion++;
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var needUpdateItems = GetNeedUpdateItems(weigh, oldWeigh);
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needUpdateItems.Add("RowVersion");
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needUpdateItems.Add(weigh.RowVersion.ToString());
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string updateHeadSql = UpdateUtil.GetUpdateString(TableNames.称重表, "ID", weigh.ID.ToString(), needUpdateItems.ToArray());
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var updateDetailSqls = GetUpdateDetailsSql(weigh, oldWeigh);
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var insertDetailSqls = GetInsertDetailSqls(weigh);
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string deleteDetailSql = GetDeleteDetailSql(weigh, oldWeigh);
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bool success = true;
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using (SqlHelperEx she = new SqlHelperEx()) {
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she.CreateTransaction();
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if (!string.IsNullOrEmpty(updateHeadSql)) {
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she.ExecuteNonQuery(updateHeadSql, out success);
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if (!success) {
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she.Rollback();
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return false;
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}
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}
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if (updateDetailSqls.Count > 0) {
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foreach (var updateSql in updateDetailSqls) {
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if (string.IsNullOrEmpty(updateSql))
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continue;
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she.ExecuteNonQuery(updateSql, out success);
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if (!success) {
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she.Rollback();
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return false;
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}
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}
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}
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if (insertDetailSqls.Count > 0) {
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foreach (var insertSql in insertDetailSqls) {
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if (string.IsNullOrEmpty(insertSql))
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continue;
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she.ExecuteNonQuery(insertSql, out success);
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if (!success) {
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she.Rollback();
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return false;
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}
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}
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}
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if (!string.IsNullOrEmpty(deleteDetailSql)) {
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she.ExecuteNonQuery(deleteDetailSql, out success);
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if (!success) {
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she.Rollback();
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return false;
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}
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}
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if (success)
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she.Commit();
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else
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she.Rollback();
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}
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return success;
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}
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private static bool Insert(Weigh weigh)
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{
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if (weigh.ID > 0)
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return Update(weigh);
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string insertHeadSql = InsertUtil.GetInsertSql(TableNames.称重表,
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new string[] { "IsChecked", "CreateDateTime", "Car_ID", "CarNumber", "Number", "HeadWeight", "Remote_Weigh_ID", "RowVersion" },
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new string[] { weigh.IsChecked.ToString(), weigh.CreateDateTime.Value.ToShortDateString(), weigh.Car_ID.ToString(), DataTypeUtil.ToStringNullIfNull(weigh.CarNumber), DataTypeUtil.ToStringNullIfNull(weigh.Number), DataTypeUtil.ToStringNullIfNull(weigh.HeadWeight), "null", "1" });
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if (string.IsNullOrEmpty(insertHeadSql))//TODO：处理是否正确？
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throw new ApplicationException("表头数据不允许为空");
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bool success;
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using (SqlHelperEx she = new SqlHelperEx()) {
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she.CreateTransaction();
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she.ExecuteNonQuery(insertHeadSql, out success);
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if (!success) {
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she.Rollback();
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return false;
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}
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var weighID = she.GetCurrentID(TableNames.称重表);
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weigh.ID = weighID;
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List<string> insertDetailSqls = InsertDetailsSqls(weigh.Details, weighID);
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if (insertDetailSqls.Count == 0) {//没有数据要插入时。TODO:是否处理妥当？
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she.Commit();
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return true;
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}
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foreach (var detailSql in insertDetailSqls) {
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she.ExecuteNonQuery(detailSql, out success);
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if (!success)
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break;
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}
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if (!success)
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she.Rollback();
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else
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she.Commit();
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}
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return success;
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}
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private static List<string> InsertDetailsSqls(List<Weigh_Detail> details, long weighID)
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{
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List<string> insertDetailSqls = new List<string>();
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if (details == null || details.Count == 0)
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return insertDetailSqls;
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string[] columns = new string[] { "Local_Weigh_ID", "Weight", "WeighTime" };
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foreach (var d in details) {
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insertDetailSqls.Add(InsertUtil.GetInsertSql(TableNames.称重清单表, columns, GetValue(d, weighID)));
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}
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return insertDetailSqls;
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}
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private static string[] GetValue(Weigh_Detail detail, long weighID)
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{
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return new string[]{
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weighID.ToString(),
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DataTypeUtil.ToStringNullIfNull(detail.Weight),
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DataTypeUtil.ToStringNullIfNull(detail.WeighTime),
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};
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}
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private static List<string> GetUpdateDetailsSql(Weigh weigh, Weigh oldWeigh)
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{
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List<string> updateDetailSqls = new List<string>();
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foreach (var detail in weigh.Details) {
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if (detail.ID == 0)//新Detail，需要插入
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continue;
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var oldDetail = GetDetail(oldWeigh.Details, detail.ID);
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if (oldDetail == null)//这种情况不应该发生
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throw new ApplicationException("更新的清单不存在。是否已经删除？请重新打开该单据");
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IList<string> needUpdateItems = GetNeedUpdateItems(detail, oldDetail);
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updateDetailSqls.Add(UpdateUtil.GetUpdateString(TableNames.称重清单表, "ID", detail.ID.ToString(), needUpdateItems.ToArray()));
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}
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return updateDetailSqls;
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}
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private static List<string> GetInsertDetailSqls(Weigh weigh)
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{
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List<string> insertDetailSqls = new List<string>();
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foreach (var detail in weigh.Details) {
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if (detail.ID > 0)
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continue;
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insertDetailSqls.Add(InsertUtil.GetInsertSql(TableNames.称重清单表,
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new string[] { "Local_Weigh_ID", "Weight", "WeighTime" },
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new string[] { weigh.ID.ToString(), DataTypeUtil.ToStringNullIfNull(detail.Weight), DataTypeUtil.ToStringNullIfNull(detail.WeighTime) }));//TODO:为空时如何处理？此处需要修改
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}
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return insertDetailSqls;
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}
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private static string GetDeleteDetailSql(Weigh weigh, Weigh oldWeigh)
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{
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var willDeleteDetailID = new List<string>();
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foreach (var detail in oldWeigh.Details) {
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var newDetail = GetDetail(weigh.Details, detail.ID);
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if (newDetail == null)
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willDeleteDetailID.Add(detail.ID.ToString());
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}
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return DeleteUtil.GetDeleteString(TableNames.称重清单表, "ID", willDeleteDetailID.ToArray());
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}
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private static IList<string> GetNeedUpdateItems(Weigh weigh, Weigh oldWeigh)
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{
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IList<string> updateItems = new List<string>();
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if (weigh.IsChecked != oldWeigh.IsChecked) {
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updateItems.Add("IsChecked");
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updateItems.Add(weigh.IsChecked.ToString());
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}
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if (weigh.CreateDateTime != oldWeigh.CreateDateTime) {
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updateItems.Add("CreateDateTime");
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updateItems.Add(weigh.CreateDateTime.ToString());
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}
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if (weigh.Car_ID != oldWeigh.Car_ID) {
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updateItems.Add("Car_ID");
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updateItems.Add(weigh.Car_ID.ToString());
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}
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if (weigh.CarNumber != oldWeigh.CarNumber) {
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updateItems.Add("CarNumber");
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updateItems.Add(DataTypeUtil.ToStringNullIfNull(weigh.CarNumber));
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}
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if (weigh.Number != oldWeigh.Number) {
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updateItems.Add("Number");
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updateItems.Add(DataTypeUtil.ToStringNullIfNull(weigh.Number));
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}
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if (weigh.HeadWeight != oldWeigh.HeadWeight) {
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updateItems.Add("HeadWeight");
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updateItems.Add(DataTypeUtil.ToStringNullIfNull(weigh.HeadWeight));
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}
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if (weigh.Remote_Weigh_ID != oldWeigh.Remote_Weigh_ID) {
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updateItems.Add("Remote_Weigh_ID");
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updateItems.Add(weigh.Remote_Weigh_ID == null ? "null" : (weigh.Remote_Weigh_ID ?? 0).ToString());//TODO:为空时处理是否正确？此处可不修改
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}
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return updateItems;
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}
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private static IList<string> GetNeedUpdateItems(Weigh_Detail detail, Weigh_Detail oldDetail)
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{
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IList<string> updateItems = new List<string>();
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//if (detail.Local_Weigh_ID != oldDetail.Local_Weigh_ID) {
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// updateItems.Add("Local_Weigh_ID");
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// updateItems.Add(detail.Local_Weigh_ID.ToString());
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//}
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if (detail.Weight != oldDetail.Weight) {
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updateItems.Add("Weight");
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updateItems.Add(DataTypeUtil.ToStringNullIfNull(detail.Weight));
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}
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if (detail.WeighTime != oldDetail.WeighTime) {
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updateItems.Add("WeighTime");
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updateItems.Add(DataTypeUtil.ToStringNullIfNull(detail.WeighTime));
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}
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return updateItems;
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}
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private static Weigh_Detail GetDetail(List<Weigh_Detail> details, long detailID)
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{
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foreach (var detail in details) {
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if (detail.ID == detailID)
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return detail;
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}
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return null;
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}
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}
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}
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