Audit_APP/ConvertMoels/MachinesGramsSumConvert.cs

using Audit.View;
using Models;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;

/// <summary>
/// 统计机台消耗变换器
/// 输入：原料代码、机台代码、时间区间
/// 输出：机台消耗
/// </summary>
namespace Audit.ConvertMoels
{
    internal class MachinesGramsSumConvert : IValueConverter
    {
        private Dyelots dyelots = new Dyelots();
        private DyelotsBulkedRecipe dyelotsBulkedRecipe = new DyelotsBulkedRecipe();

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            string machines = System.Convert.ToString(value);//转换机台号
            if (string.IsNullOrWhiteSpace(StatisticsView.query_start)) StatisticsView.query_start = DateTime.Now.AddDays(-30).ToString("yyyy-MM-dd");//默认开始时间当前日期前30天
            if (string.IsNullOrWhiteSpace(StatisticsView.query_end)) StatisticsView.query_end = DateTime.Now.AddDays(1).ToString("yyyy-MM-dd");//默认结束时间当前日期后一天
            if (string.IsNullOrWhiteSpace(StatisticsView.DataGridStatistics_ProductCode))//原料代码名有效返回数据，无效返回空
            {
                return null;
            }
            else
            {
                dyelotsBulkedRecipe.Dispenser = System.Convert.ToString(machines);//传递机台
                dyelotsBulkedRecipe.ProductCode = StatisticsView.DataGridStatistics_ProductCode;
                dyelotsBulkedRecipe.DispenseStartTime = System.Convert.ToDateTime(StatisticsView.query_start);
                dyelotsBulkedRecipe.DispenseEndTime = System.Convert.ToDateTime(StatisticsView.query_end);
                float Machines_sum = (float)new DyelotsBulkedRecipeProvider().SelectMachineSUM(dyelotsBulkedRecipe).Sum(x => x.DispenseGrams);//查询并返回统计结果
                if (Machines_sum == 0)
                {
                    return null;
                }
                else
                {
                    string Machines_grams_sum = (Machines_sum / 1000).ToString("#0.00");
                    return Machines_grams_sum;
                }
            }
            
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return null;
        }
    }
}