From a5d05db93017d6bc6727c7bc11deb4a555de315a Mon Sep 17 00:00:00 2001
From: Galen Guyer <galen@galenguyer.com>
Date: Sat, 14 Nov 2020 14:21:44 -0500
Subject: add History and totalstudent cases graph

---
 src/History.js | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/History.js

(limited to 'src/History.js')

diff --git a/src/History.js b/src/History.js
new file mode 100644
index 0000000..1fd39a3
--- /dev/null
+++ b/src/History.js
@@ -0,0 +1,67 @@
+import { React, PureComponent } from "react";
+import { DateTime } from "luxon";
+import { LineChart, Line, CartesianGrid, XAxis, YAxis, Tooltip, ResponsiveContainer, Label } from "recharts";
+
+const History = (props) => {
+    const offset = DateTime.fromSQL(props.data[0].date, { zone: "UTC" }).setZone(DateTime.local().zoneName).toSeconds();
+    const data = props.data.map((d) => {
+        return {
+            value: d.value,
+            date: DateTime.fromSQL(d.date, { zone: "UTC" }).setZone(DateTime.local().zoneName).toSeconds(),
+        };
+    });
+    
+    return (
+        <>
+            <h3 className="text-3xl">{props.name}</h3>
+            <LineChart
+                style={{ marginLeft: "auto", marginRight: "auto" }}
+                width={730}
+                height={500}
+                margin={{ top: 15, right: 30, left: 20, bottom: 5 }}
+                data={data}
+            >
+                <Line type="monotone" dataKey="value" stroke="#8884d8" />
+                <CartesianGrid strokeDasharray="3 3" />
+                <XAxis
+                    dataKey="date"
+                    type="number"
+                    tickCount={14}
+                    domain={["dataMin", "dataMax"]}
+                    tick={<CustomizedAxisTick />}
+                    height={90}
+                />
+                <YAxis dataKey="value" type="number"></YAxis>
+                <Tooltip content={CustomTooltip} />
+            </LineChart>
+        </>
+    );
+};
+
+class CustomizedAxisTick extends PureComponent {
+    render() {
+        const { x, y, payload } = this.props;
+
+        return (
+            <g transform={`translate(${x},${y})`}>
+                <text className="Graph-Label" x={0} y={0} dy={16} textAnchor="end" fill="#666" transform="rotate(-40)">
+                    {DateTime.fromSeconds(payload.value).toLocaleString()}
+                </text>
+            </g>
+        );
+    }
+}
+
+const CustomTooltip = ({ active, payload, label }) => {
+    if (active) {
+        return (
+            <div className="custom-tooltip bg-white border-blue-300 border-2 rounded-lg p-1">
+                <p className="label">{DateTime.fromSeconds(label).toLocaleString()}</p>
+                <p className="desc">{payload[0].value}</p>
+            </div>
+        );
+    }
+    return null;
+};
+
+export default History;
-- 
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