using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.UI.WebControls;
using System.Windows.Forms;

namespace BLL
{
    /// <summary>
    /// Key Quantity
    /// </summary>
    public class KeyQuantityService
    {
        /// <summary>
        /// 根据主键获取Key Quantity
        /// </summary>
        /// <param name="keyQuantityId"></param>
        /// <returns></returns>
        public static Model.Editor_KeyQuantity GetKeyQuantityById(string keyQuantityId)
        {
            return Funs.DB.Editor_KeyQuantity.FirstOrDefault(e => e.KeyQuantityId == keyQuantityId);
        }

        public static decimal? GetSumPlanMHRsByKeyId(string eprojectId, string identifier, string descipline)
        {
            decimal? sum = 0;
            sum = (from x in Funs.DB.Editor_KeyQuantity where x.EProjectId == eprojectId && x.Identifier == identifier && x.Descipline == descipline select x.PlanMHRs).Sum();
            return sum;
        }

        /// <summary>
        /// 添加Key Quantity
        /// </summary>
        /// <param name="keyQuantity"></param>
        public static void AddKeyQuantity(Model.Editor_KeyQuantity keyQuantity)
        {
            Model.Editor_KeyQuantity newKeyQuantity = new Model.Editor_KeyQuantity();
            newKeyQuantity.KeyQuantityId = keyQuantity.KeyQuantityId;
            newKeyQuantity.EProjectId = keyQuantity.EProjectId;
            newKeyQuantity.KeyId = keyQuantity.KeyId;
            newKeyQuantity.InputQuantity = keyQuantity.InputQuantity;
            newKeyQuantity.PlanMHRs = keyQuantity.PlanMHRs;
            newKeyQuantity.Identifier = keyQuantity.Identifier;
            newKeyQuantity.Descipline = keyQuantity.Descipline;
            newKeyQuantity.QuantityDesctiption = keyQuantity.QuantityDesctiption;
            newKeyQuantity.PlanMHRsUnit = keyQuantity.PlanMHRsUnit;
            newKeyQuantity.Type = keyQuantity.Type;
            Funs.DB.Editor_KeyQuantity.InsertOnSubmit(newKeyQuantity);
            Funs.DB.SubmitChanges();
        }

        /// <summary>
        /// 修改key Quantity
        /// </summary>
        /// <param name="keyQuantity"></param>
        public static void UpdateKeyQuantity(Model.Editor_KeyQuantity keyQuantity)
        {
            Model.Editor_KeyQuantity newKeyQuantity = Funs.DB.Editor_KeyQuantity.FirstOrDefault(e => e.KeyQuantityId == keyQuantity.KeyQuantityId);
            if (newKeyQuantity != null)
            {
                newKeyQuantity.KeyId = keyQuantity.KeyId;
                newKeyQuantity.InputQuantity = keyQuantity.InputQuantity;
                newKeyQuantity.PlanMHRs = keyQuantity.PlanMHRs;
                newKeyQuantity.Identifier = keyQuantity.Identifier;
                newKeyQuantity.Descipline = keyQuantity.Descipline;
                newKeyQuantity.QuantityDesctiption = keyQuantity.QuantityDesctiption;
                newKeyQuantity.PlanMHRsUnit = keyQuantity.PlanMHRsUnit;
                newKeyQuantity.Type = keyQuantity.Type;
                Funs.DB.SubmitChanges();
            }
        }

        /// <summary>
        /// 根据主键删除Key Quantity
        /// </summary>
        /// <param name="keyQuantityId"></param>
        public static void DeleteKeyQuantityById(string keyQuantityId)
        {
            Model.Editor_KeyQuantity keyQuantity = Funs.DB.Editor_KeyQuantity.FirstOrDefault(e => e.KeyQuantityId == keyQuantityId);
            if (keyQuantity != null)
            {
                Funs.DB.Editor_KeyQuantity.DeleteOnSubmit(keyQuantity);
                Funs.DB.SubmitChanges();
            }
        }
    }
}