using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace BLL
{
    /// <summary>
    /// 税率
    /// </summary>
   public class TaxRateService
    {
        /// <summary>
        /// 根据主键获取税率信息
        /// </summary>
        /// <param name="taxRateId"></param>
        /// <returns></returns>
        public static Model.Base_TaxRate GetTaxRateById(string taxRateId)
        {
            return Funs.DB.Base_TaxRate.FirstOrDefault(e => e.TaxRateId == taxRateId);
        }

        /// <summary>
        /// 添加税率信息
        /// </summary>
        /// <param name="taxRate"></param>
        public static void AddTaxRate(Model.Base_TaxRate taxRate)
        {
            Model.Base_TaxRate newTaxRate = new Model.Base_TaxRate();
            newTaxRate.TaxRateId = taxRate.TaxRateId;
            newTaxRate.TaxRate = taxRate.TaxRate;
            newTaxRate.Remarks = taxRate.Remarks;
            Funs.DB.Base_TaxRate.InsertOnSubmit(newTaxRate);
            Funs.DB.SubmitChanges();
        }

        /// <summary>
        /// 修改税率信息
        /// </summary>
        /// <param name="taxRate"></param>
        public static void UpdateTaxRate(Model.Base_TaxRate taxRate)
        {
            Model.Base_TaxRate newTaxRate = Funs.DB.Base_TaxRate.FirstOrDefault(e => e.TaxRateId == taxRate.TaxRateId);
            if (newTaxRate!=null)
            {
                newTaxRate.TaxRate = taxRate.TaxRate;
                newTaxRate.Remarks = taxRate.Remarks;
                Funs.DB.SubmitChanges();
            }
        }

        /// <summary>
        /// 根据主键删除税率信息
        /// </summary>
        /// <param name="taxRateId"></param>
        public static void DeleteTaxRateById(string taxRateId)
        {
            Model.Base_TaxRate taxRate = Funs.DB.Base_TaxRate.FirstOrDefault(e => e.TaxRateId == taxRateId);
            if (taxRate!=null)
            {
                Funs.DB.Base_TaxRate.DeleteOnSubmit(taxRate);
                Funs.DB.SubmitChanges();
            }
        }

        /// <summary>
        /// 验证是否存在相同的税率
        /// </summary>
        /// <param name="taxRate"></param>
        /// <param name="id"></param>
        /// <returns></returns>
        public static bool IsExitTaxRate(string taxRate, string id)
        {
            var q = Funs.DB.Base_TaxRate.FirstOrDefault(x => x.TaxRate == Funs.GetNewDecimalOrZero(taxRate) && x.TaxRateId != id);
            if (q != null)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }
}