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

namespace BLL
{
    /// <summary>
    /// 
    /// </summary>
    public static class ProjectPlanService
    {
        public static Model.SGGLDB db = Funs.DB;

        /// <summary>
        /// 根据主键获取项目计划
        /// </summary>
        /// <param name="projectPlanId"></param>
        /// <returns></returns>
        public static Model.Weld_ProjectPlan GetProjectPlanById(string projectPlanId)
        {
            return db.Weld_ProjectPlan.FirstOrDefault(e => e.ProjectPlanId == projectPlanId);
        }

        /// <summary>
        /// 根据焊材主键获取项目计划
        /// </summary>
        /// <param name="weldId"></param>
        /// <returns></returns>
        public static Model.Weld_ProjectPlan GetProjectPlanByWeldId(string projectId,string weldId)
        {
            return db.Weld_ProjectPlan.FirstOrDefault(e =>e.ProjectId==projectId && e.WeldId == weldId);
        }

        /// <summary>
        /// 根据焊材主键获取项目计划数
        /// </summary>
        /// <param name="weldId"></param>
        /// <returns></returns>
        public static int GetProjectPlanNumByWeldId(string weldId)
        {
            return (from x in db.Weld_ProjectPlan where x.WeldId == weldId select x).Count();
        }

        /// <summary>
        /// 添加项目计划
        /// </summary>
        /// <param name="projectPlan"></param>
        public static void AddProjectPlan(Model.Weld_ProjectPlan projectPlan)
        {
            Model.Weld_ProjectPlan newProjectPlan = new Model.Weld_ProjectPlan();
            newProjectPlan.ProjectPlanId = projectPlan.ProjectPlanId;
            newProjectPlan.ProjectId = projectPlan.ProjectId;
            newProjectPlan.WeldId = projectPlan.WeldId;
            newProjectPlan.PlanAmount = projectPlan.PlanAmount;
            newProjectPlan.WeldRequire = projectPlan.WeldRequire;
            newProjectPlan.Remark = projectPlan.Remark;
            db.Weld_ProjectPlan.InsertOnSubmit(newProjectPlan);
            db.SubmitChanges();
        }

        /// <summary>
        /// 修改项目计划
        /// </summary>
        /// <param name="projectPlan"></param>
        public static void UpdateProjectPlan(Model.Weld_ProjectPlan projectPlan)
        {
            Model.Weld_ProjectPlan newProjectPlan = db.Weld_ProjectPlan.FirstOrDefault(e => e.ProjectPlanId == projectPlan.ProjectPlanId);
            if (newProjectPlan != null)
            {
                newProjectPlan.WeldId = projectPlan.WeldId;
                newProjectPlan.PlanAmount = projectPlan.PlanAmount;
                newProjectPlan.WeldRequire = projectPlan.WeldRequire;
                newProjectPlan.Remark = projectPlan.Remark;
                db.SubmitChanges();
            }
        }

        /// <summary>
        /// 根据主键删除项目计划
        /// </summary>
        /// <param name="projectPlanId"></param>
        public static void DeleteProjectPlanById(string projectPlanId)
        {
            Model.Weld_ProjectPlan projectPlan = db.Weld_ProjectPlan.FirstOrDefault(e => e.ProjectPlanId == projectPlanId);
            if (projectPlan != null)
            {
                db.Weld_ProjectPlan.DeleteOnSubmit(projectPlan);
                db.SubmitChanges();
            }
        }
    }
}