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

namespace BLL
{
    public static class Project_RolePowerService
    {
        /// <summary>
        /// 增加项目角色权限
        /// </summary>
        /// <param name="power"></param>
        public static void SaveProject_RolePower(Model.Project_RolePower power)
        {
            Model.SGGLDB db = Funs.DB;
            string newRolePower = BLL.SQLHelper.GetNewID(typeof(Model.Project_RolePower));
            Model.Project_RolePower newPower = new Model.Project_RolePower();
            newPower.RolePowerId = newRolePower;
            newPower.RoleId = power.RoleId;
            newPower.MenuId = power.MenuId;
            newPower.ProjectId = power.ProjectId;
            db.Project_RolePower.InsertOnSubmit(newPower);
            db.SubmitChanges();
        }


        /// <summary>
        /// 删除项目角色权限
        /// </summary>
        /// <param name="postId"></param>
        public static void DeleteRolePower(string roleId, string systemValue, string projectId)
        {
            Model.SGGLDB db = Funs.DB;
            var q = from x in db.Project_RolePower
                    join y in db.Sys_Menu on x.MenuId equals y.MenuId
                    where x.RoleId == roleId && y.MenuModule == systemValue && x.ProjectId == projectId
                    select x;

            if (q.Count() > 0)
            {
                db.Project_RolePower.DeleteAllOnSubmit(q);
            }

            db.SubmitChanges();
        }

        /// <summary>
        /// 根据角色主键获得对应的菜单权限
        /// </summary>
        /// <param name="roleId">角色主键</param>
        /// <returns>菜单ID数组</returns>
        public static string[] GetProject_RolePowerMenuIdByRoleId(string roleId, string projectId)
        {
            var q = Funs.DB.Project_RolePower.Where(e => e.RoleId == roleId && e.ProjectId == projectId);
            string[] menuId = new string[q.Count()];
            if (q.Count() > 0)
            {
                int i = 0;
                foreach (var menu in q)
                {
                    menuId[i] = menu.MenuId;
                    i++;
                }

                return menuId;
            }
            else
            {
                return null;
            }
        }
    }
}