hn_zw_back_main/Service/Ammeter/EmeterEnergyService.cs

using Entity.Ammeter;
using Entity.Api.Resp;
using HybirdFrameworkCore.Autofac.Attribute;
using Repository.Ammeter;
using SqlSugar;

namespace Service.Ammeter;

[Scope("SingleInstance")]
public class EmeterEnergyService : BaseServices<EmeterEnergy>
{
    public EmeterEnergyService(EmeterEnergyRepository service)
    {
        this.BaseDal = service;
    }

    /// <summary>
    /// 获取七天用电量
    /// </summary>
    /// <returns></returns>
    public async Task<List<EmeterEnergy>> SevenDaysElectrical()
    {
        string sql = @"
        SELECT 
            code,
            date(upload_time) AS UploadTime,
             MAX(value) - MIN(value) AS Value
        FROM 
            emeter_energy
        WHERE 
            upload_time >= NOW() - INTERVAL 7 DAY
        GROUP BY 
            code, date(upload_time)
        ORDER BY 
            code, date(upload_time);
    ";
        List<EmeterEnergy> emeterEnergies = await this.BaseDal.SqlQueryable(sql);
        return emeterEnergies;
    }

    /// <summary>
    /// 获取全部用电量
    /// </summary>
    /// <returns></returns>
    public async Task<List<EmeterEnergy>> GetAllElectricalData()
    {
        string sql = @"
        SELECT 
            code,
            MAX(value) - MIN(value) AS Value
        FROM 
            emeter_energy
        GROUP BY 
            code
        ORDER BY 
            code;
    ";

        List<EmeterEnergy> emeterEnergies = await this.BaseDal.SqlQueryable(sql);
        return emeterEnergies;
    }

    /// <summary>
    /// 根据小时统计电量
    /// </summary>
    /// <returns></returns>
    public async Task<List<EmeterEnergy>> GetTodayHourlyElectricalData()
    {
        string sql = @"
            SELECT 
                code,
                DATE_FORMAT(upload_time, '%Y-%m-%d %H:00:00') AS Hour,
                MAX(value) - MIN(value) AS Value
            FROM 
                emeter_energy
            WHERE 
                DATE(upload_time) = CURDATE()
            GROUP BY 
                code, DATE_FORMAT(upload_time, '%Y-%m-%d %H:00:00')
            ORDER BY 
                code, Hour;
        ";

        List<EmeterEnergy> emeterEnergies = await this.BaseDal.SqlQueryable(sql);
        return emeterEnergies;
    }
}