DigitalScholl/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/SchoolNews/SchoolNewsService.cs

using Dapper;
using Learun.DataBase.Repository;
using Learun.Util;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;

namespace Learun.Application.TwoDevelopment.EducationalAdministration
{
    /// <summary>
    /// 版 本 Learun-ADMS V7.0.6 力软敏捷开发框架
    /// Copyright (c) 2013-2020 力软信息技术（苏州）有限公司
    /// 创 建：超级管理员
    /// 日 期：2021-05-21 11:05
    /// 描 述：校园新闻
    /// </summary>
    public class SchoolNewsService : RepositoryFactory
    {
        #region 获取数据

        /// <summary>
        /// 获取页面显示列表数据
        /// </summary>
        /// <param name="pagination">查询参数</param>
        /// <param name="queryJson">查询参数</param>
        /// <returns></returns>
        public IEnumerable<LR_OA_SchoolNewsEntity> GetPageList(Pagination pagination, string queryJson)
        {
            try
            {
                var strSql = new StringBuilder();
                strSql.Append("SELECT ");
                strSql.Append(@"
                t.*
                ");
                strSql.Append("  FROM LR_OA_SchoolNews t ");
                strSql.Append("  WHERE 1=1 ");
                var queryParam = queryJson.ToJObject();
                // 虚拟参数
                var dp = new DynamicParameters(new { });
                if (!queryParam["F_FullHead"].IsEmpty())
                {
                    dp.Add("F_FullHead", "%" + queryParam["F_FullHead"].ToString() + "%", DbType.String);
                    strSql.Append(" AND t.F_FullHead Like @F_FullHead ");
                }
                if (!queryParam["F_CategoryId"].IsEmpty())
                {
                    dp.Add("F_CategoryId", queryParam["F_CategoryId"].ToInt(), DbType.Int32);
                    strSql.Append(" AND t.F_CategoryId = @F_CategoryId ");
                }
                return this.BaseRepository().FindList<LR_OA_SchoolNewsEntity>(strSql.ToString(), dp, pagination);
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }

        public IEnumerable<LR_OA_SchoolNewsEntity> GetListByCategoryId(string categoryId)
        {
            var strSql = new StringBuilder();
            strSql.Append("SELECT ");
            strSql.Append(@"
                t.F_NewsId,
                t.F_CategoryId,
                t.F_FullHead,
                t.F_ReleaseTime,
                t.F_NewsImage
                ");
            strSql.Append("  FROM LR_OA_SchoolNews t ");
            strSql.Append("  WHERE F_EnabledMark=1 ");
            strSql.Append($"  and F_CategoryId='{categoryId}' ");
            IEnumerable<LR_OA_SchoolNewsEntity> list = this.BaseRepository("BaseDb").FindList<LR_OA_SchoolNewsEntity>(strSql.ToString());
            foreach (var entity in list.Where(x => !string.IsNullOrEmpty(x.F_NewsImage)))
            {
                var LR_Base_AnnexesFile = BaseRepository("BaseDb").FindEntity<dynamic>("select * from LR_Base_AnnexesFile where F_FolderId='" + entity.F_NewsImage + "'", null);
                if (LR_Base_AnnexesFile != null)
                {
                    entity.F_NewsImage = LR_Base_AnnexesFile.F_FilePath;
                }
            }

            return list;
        }

        /// <summary>
        /// 获取LR_OA_SchoolNews表实体数据
        /// </summary>
        /// <param name="keyValue">主键</param>
        /// <returns></returns>
        public LR_OA_SchoolNewsEntity GetLR_OA_SchoolNewsEntity(string keyValue)
        {
            try
            {
                return this.BaseRepository().FindEntity<LR_OA_SchoolNewsEntity>(keyValue);
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }

        #endregion

        #region 提交数据

        /// <summary>
        /// 删除实体数据
        /// </summary>
        /// <param name="keyValue">主键</param>
        public void DeleteEntity(string keyValue)
        {
            try
            {
                this.BaseRepository().Delete<LR_OA_SchoolNewsEntity>(t => t.F_NewsId == keyValue);
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }

        /// <summary>
        /// 保存实体数据（新增、修改）
        /// </summary>
        /// <param name="keyValue">主键</param>
        /// <param name="entity">实体</param>
        public void SaveEntity(string keyValue, LR_OA_SchoolNewsEntity entity)
        {
            try
            {
                if (!string.IsNullOrEmpty(keyValue))
                {
                    entity.Modify(keyValue);
                    this.BaseRepository().Update(entity);
                }
                else
                {
                    entity.Create();
                    this.BaseRepository().Insert(entity);
                }
            }
            catch (Exception ex)
            {
                if (ex is ExceptionEx)
                {
                    throw;
                }
                else
                {
                    throw ExceptionEx.ThrowServiceException(ex);
                }
            }
        }

        #endregion

    }
}