FIC_Solar/SolarPower/Repository/Implement/AnalysisStationCombineRepository.cs

using Dapper;
using SolarPower.Helper;
using SolarPower.Models;
using SolarPower.Repository.Interface;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Threading.Tasks;

namespace SolarPower.Repository.Implement
{
    public class AnalysisStationCombineRepository : RepositoryBase<AnalysisStationCombine>, IAnalysisStationCombineRepository
    {
        public AnalysisStationCombineRepository(IDatabaseHelper databaseHelper) : base(databaseHelper)
        {
            tableName = "power_station";
        }

        public async Task<AnalysisStationCombine> GetPowerStationInfoList(ChartInput post)
        {
            var a = new AnalysisStationCombine();
            using (IDbConnection conn = _databaseHelper.GetConnection())
            {
                conn.Open();
                using (var trans = conn.BeginTransaction())
                {
                    try
                    {
                        string sql = @"SELECT AVG(KWHKWP),TOTALMONEY,TOTALKWH,TOTALCARBON,PR";

                        a = await conn.QueryFirstOrDefaultAsync<AnalysisStationCombine>(sql);

                        trans.Commit();
                    }
                    catch (Exception exception)
                    {
                        trans.Rollback();
                        throw exception;
                    }
                    finally
                    {
                        conn.Close();
                    }
                }
            }
            return a;
        }

    }
}