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货架标准上位机/ViewModels/OutputStatChartViewModel.cs

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+using LiveCharts;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Ping9719.WpfEx.Mvvm;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace 货架标准上位机.ViewModel
+{
+    public class OutputStatChartViewModel : BindableBase
+    {
+        public OutputStatChartViewModel()
+        {
+            Values1.CollectionChanged += Values_CollectionChanged;
+            Values2.CollectionChanged += Values_CollectionChanged;
+        }
+
+        void Values_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        {
+            IsZero = (Values1[0] + Values2[0]) == 0;
+        }
+
+        //本地保存路径
+        public static readonly string DailyStatisticsPath = System.IO.Path.Combine(LocalFile.DataDir, "outputStat");
+        //文件锁
+        static object lockObject = new object();
+
+        #region 图表
+        public ChartValues<int> Values1 { get; set; } = new ChartValues<int>() { 10 };
+        public ChartValues<int> Values2 { get; set; } = new ChartValues<int>() { 2 };
+        public Func<ChartPoint, string> PointLabel { get; set; } = value => $"{value.Y}";
+        #endregion
+
+        private string Title_ = "当日生产统计";
+        /// <summary>
+        /// 标题
+        /// </summary>
+        public string Title { get => Title_; set { SetProperty(ref Title_, value); } }
+
+        private bool IsZero_ = true;
+        /// <summary>
+        /// 是否为0
+        /// </summary>
+        public bool IsZero { get => IsZero_; set { SetProperty(ref IsZero_, value); } }
+
+        private DateTime? StartTime_ = null;
+        /// <summary>
+        /// 开始时间
+        /// </summary>
+        public DateTime? StartTime
+        {
+            get => StartTime_;
+            set
+            {
+                StartTime_ = value;
+                Title = !value.HasValue ? "当日生产统计" : value.Value == DateTime.Now.Date ? "当日生产统计" : $"生产统计({value.Value.ToString(@"yyyy/MM/dd")})";
+            }
+        }
+
+        public void AddOkNg(int okNum, int ngNum)
+        {
+            if (okNum < 1 && ngNum < 1)
+                return;
+
+            if (StartTime == null)
+                return;
+
+            //重新计算
+            if (StartTime.Value.Date != DateTime.Now.Date)
+                Reset();
+
+            if (okNum > 0)
+                Values1[0] = Values1[0] + okNum;
+            if (ngNum > 0)
+                Values2[0] = Values2[0] + ngNum;
+
+            SaveData();
+        }
+
+        public void AddOk(int num = 1)
+        {
+            if (num < 1)
+                return;
+
+            if (StartTime == null)
+                return;
+
+            //重新计算
+            if (StartTime.Value.Date != DateTime.Now.Date)
+                Reset();
+
+            Values1[0] = Values1[0] + num;
+            SaveData();
+        }
+
+        public void AddNg(int num = 1)
+        {
+            if (num < 1)
+                return;
+
+            if (StartTime == null)
+                return;
+
+            //重新计算
+            if (StartTime.Value.Date != DateTime.Now.Date)
+                Reset();
+
+            Values2[0] = Values2[0] + num;
+            SaveData();
+        }
+
+        public void UpdataData()
+        {
+            try
+            {
+                if (!File.Exists(DailyStatisticsPath))
+                {
+                    Values1[0] = 0;
+                    Values2[0] = 0;
+                    StartTime = DateTime.Now.Date;
+                }
+                else
+                {
+                    JObject? jo;
+                    lock (lockObject)
+                        jo = JsonConvert.DeserializeObject<JObject>(File.ReadAllText(DailyStatisticsPath, Encoding.UTF8));
+
+                    if (jo == null)
+                    {
+                        Values1[0] = 0;
+                        Values2[0] = 0;
+                        StartTime = DateTime.Now.Date;
+                    }
+                    else
+                    {
+                        Values1[0] = jo.Value<int>("ok");
+                        Values2[0] = jo.Value<int>("ng");
+                        StartTime = jo.Value<DateTime>("dt");
+                    }
+                }
+            }
+            catch (Exception)
+            {
+
+            }
+        }
+
+        public void SaveData()
+        {
+            try
+            {
+                var data = new { ok = Values1[0], ng = Values2[0], dt = StartTime };
+                lock (lockObject)
+                    File.WriteAllText(DailyStatisticsPath, JsonConvert.SerializeObject(data), Encoding.UTF8);
+            }
+            catch (Exception)
+            {
+
+            }
+        }
+
+        public void Reset()
+        {
+            Values1[0] = 0;
+            Values2[0] = 0;
+            StartTime = DateTime.Now.Date;
+        }
+    }
+}