using Learun.DataBase.Repository;
using Learun.Util;
using System;
using System.Collections.Generic;
using System.Text;

namespace Learun.Application.OA
{
    /// <summary>
    /// 版 本 Learun-ADMS-Ultimate V7.0.0 数字化智慧校园 
    /// Copyright (c) 2013-2018 北京泉江科技有限公司 
    /// 创建人：陈彬彬
    /// 日 期：2017.04.17
    /// 描 述：公告管理
    /// </summary>
    public class NoticeService : RepositoryFactory
    {
        #region  获取数据
        /// <summary>
        /// 公告列表
        /// </summary>
        /// <param name="pagination">分页参数</param>
        /// <param name="keyword">关键词</param>
        /// <returns></returns>
        public IEnumerable<NewsEntity> GetPageList(Pagination pagination, string keyword)
        {
            try
            {
                var strSql = new StringBuilder();
                strSql.Append("SELECT * FROM LR_OA_News t WHERE t.F_TypeId = 2 ");
                if (!string.IsNullOrEmpty(keyword))
                {
                    strSql.Append(" AND F_FullHead like @keyword");
                }
                return this.BaseRepository().FindList<NewsEntity>(strSql.ToString(), new { keyword = "%" + keyword + "%" }, pagination);
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }
        /// <summary>
        /// 新闻公告实体
        /// </summary>
        /// <param name="keyValue">主键值</param>
        /// <returns></returns>
        public NewsEntity GetEntity(string keyValue)
        {
            try
            {
                return this.BaseRepository().FindEntity<NewsEntity>(keyValue);
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }
        #endregion

        #region  提交数据
        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="keyValue">主键</param>
        public void DeleteEntity(string keyValue)
        {
            var db = this.BaseRepository().BeginTrans();
            try
            {
                var list = keyValue.Split(',');
                foreach (var item in list)
                {
                    var entity = db.FindEntity<NewsEntity>(x => x.F_NewsId == item);
                    if (entity != null)
                    {
                        db.Delete(entity);
                    }
                }

                db.Commit();
            }
            catch (Exception ex)
            {
                db.Rollback();
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }
        /// <summary>
        /// 保存（新增、修改）
        /// </summary>
        /// <param name="keyValue">主键值</param>
        /// <param name="newsEntity">新闻公告实体</param>
        /// <returns></returns>
        public void SaveEntity(string keyValue, NewsEntity newsEntity)
        {
            try
            {
                newsEntity.F_TypeId = 2;
                if (!string.IsNullOrEmpty(keyValue))
                {
                    newsEntity.Modify(keyValue);
                    this.BaseRepository().Update(newsEntity);
                }
                else
                {
                    newsEntity.Create();
                    this.BaseRepository().Insert(newsEntity);
                }
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }

        }
        #endregion
        #region 扩展数据

        /// <summary>
        /// 公告列表
        /// </summary>
        /// <param name="keyword">关键词</param>
        /// <returns></returns>
        public IEnumerable<NewsEntity> GetList(string keyword, string userId, string categoryId = null)
        {
            try
            {
                var strSql = new StringBuilder();
                strSql.Append("SELECT t.*,r.RNewsId,r.RTime FROM LR_OA_News t ");
                strSql.Append(" left join LR_OA_NewsRead r on t.F_NewsId = r.NewsId and r.RUserId=@userId ");
                strSql.Append(" WHERE t.F_TypeId = 2 ");
                if (!string.IsNullOrEmpty(categoryId))
                {
                    strSql.Append($" AND F_CategoryId = '{categoryId}'");
                }
                if (!string.IsNullOrEmpty(keyword))
                {
                    strSql.Append(" AND F_FullHead like @keyword");
                }
                strSql.Append("  ORDER BY t.F_ReleaseTime DESC ");
                return this.BaseRepository().FindList<NewsEntity>(strSql.ToString(), new { keyword = "%" + keyword + "%", userId = userId });
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }

        #endregion

        public void ChangeStatusById(string keyValue, int status, string processId)
        {
            try
            {
                BaseRepository().ExecuteBySql($"UPDATE dbo.LR_OA_News SET F_Status='{status}',F_ProgressId='{processId}' WHERE F_NewsId='{keyValue}'", null);
            }
            catch (Exception ex)
            {
                throw ExceptionEx.ThrowServiceException(ex);
            }
        }

        public NewsEntity GetEntityByProcessId(string processId)
        {
            try
            {
                return this.BaseRepository().FindEntity<NewsEntity>(t => t.F_ProgressId == processId);
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }
    }
}