Graph.cs: move from Models/ to Helpers/Billing/

2023-09-06 14:04:14 +02:00
parent 324c5db94e
commit 28b424fe65
2 changed files with 2 additions and 1 deletions
--- a/Elwig/Helpers/Billing/Graph.cs
+++ b/Elwig/Helpers/Billing/Graph.cs
@ -0,0 +1,119 @@
+using ScottPlot;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.Json.Nodes;
+
+namespace Elwig.Helpers.Billing {
+    public class Graph : ICloneable {
+
+        public string Type { get; set; }
+        public int Num { get; set; }
+        private int MinX { get; set; }
+        private int MaxX { get; set; }
+        public string Contracts { get; set; }
+        public double[] DataX { get; set; }
+        public double[] DataY { get; set; }
+
+        public Graph(int num, int minX, int maxX) {
+            Type = "oe";
+            Num = num;
+            Contracts = "";
+            MinX = minX;
+            MaxX = maxX;
+
+            DataX = DataGen.Range(MinX, MaxX + 1);
+            DataY = DataGen.Zeros(MaxX - MinX + 1);
+        }
+
+        public Graph(string type, int num, JsonObject graphData, string contracts, int minX, int maxX) {
+            Type = type;
+            Num = num;
+            Contracts =  contracts;
+            MinX = minX;
+            MaxX = maxX;
+
+            DataX = DataGen.Range(MinX, MaxX + 1);
+            DataY = DataGen.Zeros(MaxX - MinX + 1);
+            ParseGraphData(graphData);
+        }
+
+        public Graph(string type, int num, int minX, int maxX, string contracts, double[] dataX, double[] dataY) {
+            Type = type;
+            Num = num;
+            MinX = minX;
+            MaxX = maxX;
+            Contracts = contracts;
+            DataX = dataX;
+            DataY = dataY;
+        }
+
+        private void ParseGraphData(JsonObject graphData) {
+            var GraphPoints = graphData.ToDictionary(p => int.Parse(p.Key[..^2]), p => (double)p.Value?.AsValue());
+
+            if (GraphPoints.Keys.Count < 1) {
+                return;
+            }
+
+            var minKey = GraphPoints.Keys.Order().First();
+            var maxKey = GraphPoints.Keys.OrderDescending().First();
+
+            if (!GraphPoints.ContainsKey(MinX)) {
+                GraphPoints.Add(MinX, GraphPoints.GetValueOrDefault(minKey));
+            }
+            if (!GraphPoints.ContainsKey(MaxX)) {
+                GraphPoints.Add(MaxX, GraphPoints.GetValueOrDefault(maxKey));
+            }
+
+            var keys = GraphPoints.Keys.Order().ToArray();
+
+            for (int i = 0; i < keys.Length; i++) {
+                double point1Value = GraphPoints[keys[i]];
+                if (i + 1 < keys.Length) {
+                    double point2Value = GraphPoints[keys[i + 1]];
+                    if (point1Value == point2Value) {
+                        for (int j = keys[i] - MinX; j < keys[i + 1] - MinX; j++) {
+                            DataY[j] = point1Value;
+                        }
+                    } else {
+                        int steps = Math.Abs(keys[i + 1] - keys[i]);
+                        double step = (point2Value - point1Value) / steps;
+
+                        DataY[keys[i] - MinX] = point1Value;
+                        DataY[keys[i + 1] - MinX] = point2Value;
+
+                        for (int j = keys[i] - MinX; j < keys[i + 1] - MinX - 1; j++) {
+                            DataY[j + 1] = Math.Round(DataY[j] + step, 4); // TODO richtig runden
+                        }
+                    }
+                }
+                else {
+                    for (int j = keys[i] - MinX; j < DataX.Length; j++) {
+                        DataY[j] = point1Value;
+                    }
+                }
+            }
+        }
+
+        public JsonObject ToJson() {
+            JsonObject graph = new();
+
+            if (DataY[0] != DataY[1]) {
+                graph.Add(new KeyValuePair<string, JsonNode?>(DataX[0] + Type.ToLower(), Math.Round(DataY[0], 4)));
+            }
+            for (int i = 1; i < DataX.Length - 1; i++) {
+                if (Math.Round(DataY[i] - DataY[i - 1], 4) != Math.Round(DataY[i + 1] - DataY[i], 4)) {
+                    graph.Add(new KeyValuePair<string, JsonNode?>(DataX[i] + Type.ToLower(), Math.Round(DataY[i], 4)));
+                }
+            }
+            if (DataY[^1] != DataY[^2]) {
+                graph.Add(new KeyValuePair<string, JsonNode?>(DataX[^1] + Type.ToLower(), Math.Round(DataY[^1], 4)));
+            }
+            return graph;
+        }
+
+        public object Clone() {
+            return new Graph(Type, Num, MinX, MaxX, Contracts, (double[])DataX.Clone(), (double[])DataY.Clone());
+        }
+    }
+}