using learun.iapplication;
using learun.util;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;

namespace learun.application
{
	/// <summary>
	/// 版 本 EasyCode EC管理后台
	/// Copyright (c) 2019-present EC管理有限公司
	/// 创建人：tobin
	/// 日 期：2020.04.07
	/// 描 述：App首页图片管理
	/// </summary>
	public class DTImgService : ServiceBase
	{
		#region 构造函数和属性

		private readonly string fieldSql;

		/// <summary>
		///
		/// </summary>
		public DTImgService()
		{
			fieldSql = @"
                t.F_Id,
                t.F_Des,
                t.F_FileName,
                t.F_EnabledMark,
                t.F_SortCode
            ";
		}

		#endregion 构造函数和属性

		#region 获取数据

		/// <summary>
		/// 获取列表数据
		/// </summary>
		/// <returns></returns>
		public Task<IEnumerable<DTImgEntity>> GetList()
		{
			var strSql = new StringBuilder();
			strSql.Append("SELECT ");
			strSql.Append(fieldSql);
			strSql.Append(" FROM LR_App_DTImg t WHERE t.F_EnabledMark = 1 Order by  t.F_SortCode  ");
			return this.BaseRepository().FindList<DTImgEntity>(strSql.ToString());
		}

		/// <summary>
		/// 获取列表分页数据
		/// </summary>
		/// <param name="pagination">分页参数</param>
		/// <param name="queryJson">查询参数</param>
		/// <returns></returns>
		public Task<IEnumerable<DTImgEntity>> GetPageList(Pagination pagination, string queryJson)
		{
			var queryParam = queryJson.ToJObject();
			var strSql = new StringBuilder();
			strSql.Append("SELECT ");
			strSql.Append(fieldSql);
			strSql.Append(" FROM LR_App_DTImg t  where 1=1 ");

			// 关键字
			string keyword = "";
			if (!queryParam["keyword"].IsEmpty())
			{
				keyword = "%" + queryParam["keyword"].ToString() + "%";
				strSql.Append(" AND t.F_Des like @keyword ");
			}

			return this.BaseRepository().FindList<DTImgEntity>(strSql.ToString(), new { keyword }, pagination);
		}

		/// <summary>
		/// 获取实体数据
		/// </summary>
		/// <param name="keyValue">主键</param>
		/// <returns></returns>
		public Task<DTImgEntity> GetEntity(string keyValue)
		{
			return this.BaseRepository().FindEntityByKey<DTImgEntity>(keyValue);
		}

		#endregion 获取数据

		#region 提交数据

		/// <summary>
		/// 删除实体数据
		/// </summary>
		/// <param name="keyValue">主键</param>
		/// <returns></returns>
		public async Task DeleteEntity(string keyValue)
		{
			await this.BaseRepository().DeleteAny<DTImgEntity>(new { F_Id = keyValue });
		}

		/// <summary>
		/// 保存实体数据（新增、修改）
		/// </summary>
		/// <param name="keyValue">主键</param>
		/// <param name="entity">实体</param>
		/// <returns></returns>
		public async Task SaveEntity(string keyValue, DTImgEntity entity)
		{
			if (!string.IsNullOrEmpty(keyValue))
			{
				entity.F_Id = keyValue;
				await this.BaseRepository().Update(entity);
			}
			else
			{
				entity.F_Id = Guid.NewGuid().ToString();
				entity.F_EnabledMark = 1;
				await this.BaseRepository().Insert(entity);
			}
		}

		#endregion 提交数据
	}
}