Show daily stats with line chart

ui/src/components/DailyStatsChart.tsx

@@ -0,0 +1,71 @@
+import React from "react";
+import {
+  LineChart,
+  Line,
+  XAxis,
+  YAxis,
+  CartesianGrid,
+  Tooltip,
+  Legend,
+  ResponsiveContainer,
+} from "recharts";
+import { useTheme, Theme } from "@material-ui/core/styles";
+import { DailyStat } from "../api";
+
+interface Props {
+  data: { [qname: string]: DailyStat[] };
+  numDays: number;
+}
+
+interface ChartData {
+  succeeded: number;
+  failed: number;
+  date: string;
+}
+
+export default function DailyStatsChart(props: Props) {
+  const data = makeChartData(props.data, props.numDays);
+  const theme = useTheme<Theme>();
+  return (
+    <ResponsiveContainer>
+      <LineChart data={data}>
+        <CartesianGrid strokeDasharray="3 3" />
+        <XAxis dataKey="date" minTickGap={10} />
+        <YAxis />
+        <Tooltip />
+        <Legend />
+        <Line
+          type="monotone"
+          dataKey="succeeded"
+          stroke={theme.palette.success.main}
+        />
+        <Line
+          type="monotone"
+          dataKey="failed"
+          stroke={theme.palette.error.main}
+        />
+      </LineChart>
+    </ResponsiveContainer>
+  );
+}
+
+function makeChartData(
+  queueStats: { [qname: string]: DailyStat[] },
+  numDays: number
+): ChartData[] {
+  const dataByDate: { [date: string]: ChartData } = {};
+  for (const qname in queueStats) {
+    for (const stat of queueStats[qname]) {
+      if (!dataByDate.hasOwnProperty(stat.date)) {
+        dataByDate[stat.date] = { succeeded: 0, failed: 0, date: stat.date };
+      }
+      dataByDate[stat.date].succeeded += stat.processed - stat.failed;
+      dataByDate[stat.date].failed += stat.failed;
+    }
+  }
+  return Object.values(dataByDate).sort(sortByDate).slice(-numDays);
+}
+
+function sortByDate(x: ChartData, y: ChartData): number {
+  return Date.parse(x.date) - Date.parse(y.date);
+}

ui/src/views/DashboardView.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect } from "react";
+import React, { useEffect, useState } from "react";
 import { connect, ConnectedProps } from "react-redux";
 import Container from "@material-ui/core/Container";
 import { makeStyles } from "@material-ui/core/styles";
@@ -19,8 +19,8 @@ import ProcessedTasksChart from "../components/ProcessedTasksChart";
 import QueuesOverviewTable from "../components/QueuesOverviewTable";
 import Tooltip from "../components/Tooltip";
 import SplitButton from "../components/SplitButton";
-import { getCurrentUTCDate } from "../utils";
 import { usePolling } from "../hooks";
+import DailyStatsChart from "../components/DailyStatsChart";
 
 const useStyles = makeStyles((theme) => ({
   container: {
@@ -68,6 +68,7 @@ function mapStateToProps(state: AppState) {
       requestPending: q.requestPending,
     })),
     pollInterval: state.settings.pollInterval,
+    queueStats: state.queueStats.data,
   };
 }
 
@@ -83,9 +84,15 @@ const connector = connect(mapStateToProps, mapDispatchToProps);
 
 type Props = ConnectedProps<typeof connector>;
 
+type DailyStatsKey = "today" | "last-7d" | "last-30d" | "last-90d";
+const initialStatsKey = "last-7d";
+
 function DashboardView(props: Props) {
   const { pollInterval, listQueuesAsync, queues, listQueueStatsAsync } = props;
   const classes = useStyles();
+  const [dailyStatsKey, setDailyStatsKey] = useState<DailyStatsKey>(
+    initialStatsKey
+  );
 
   usePolling(listQueuesAsync, pollInterval);
 
@@ -161,16 +168,15 @@ function DashboardView(props: Props) {
                   title={
                     <div>
                       <div className={classes.tooltipSection}>
-                        Total number of tasks processed today (
-                        {getCurrentUTCDate()} UTC)
+                        Total number of tasks processed in a given day (UTC)
                       </div>
                       <div className={classes.tooltipSection}>
                         <strong>Succeeded</strong>: number of tasks successfully
-                        processed from the queue
+                        processed
                       </div>
                       <div>
                         <strong>Failed</strong>: number of tasks failed to be
-                        processed from the queue
+                        processed
                       </div>
                     </div>
                   }
@@ -186,13 +192,24 @@ function DashboardView(props: Props) {
                     { label: "Last 30d", key: "last-30d" },
                     { label: "Last 90d", key: "last-90d" },
                   ]}
-                  initialSelectedKey="today"
-                  onSelect={(key) => console.log("option selected:", key)}
+                  initialSelectedKey={initialStatsKey}
+                  onSelect={(key) => setDailyStatsKey(key as DailyStatsKey)}
                 />
               </div>
             </div>
             <div className={classes.chartContainer}>
-              <ProcessedTasksChart data={processedStats} />
+              {dailyStatsKey === "today" && (
+                <ProcessedTasksChart data={processedStats} />
+              )}
+              {dailyStatsKey === "last-7d" && (
+                <DailyStatsChart data={props.queueStats} numDays={7} />
+              )}
+              {dailyStatsKey === "last-30d" && (
+                <DailyStatsChart data={props.queueStats} numDays={30} />
+              )}
+              {dailyStatsKey === "last-90d" && (
+                <DailyStatsChart data={props.queueStats} numDays={90} />
+              )}
             </div>
           </Paper>
         </Grid>