feat: Some info cards in dashboard

dkron/ui.go

@@ -36,8 +36,30 @@ func (h *HTTPTransport) UI(r *gin.RouterGroup) {
 		if err == nil && p != "/" && p != "/index.html" {
 			ctx.FileFromFS(p, assets_ui.Assets)
 		} else {
+			jobs, err := h.agent.Store.GetJobs(nil)
+			if err != nil {
+				log.Error(err)
+			}
+			totalJobs := len(jobs)
+			successfulJobs := 0
+			failedJobs := 0
+			for _, j := range jobs {
+				if j.Status == "success" {
+					successfulJobs++
+				} else {
+					failedJobs++
+				}
+			}
+			l, err := h.agent.leaderMember()
+			if err != nil {
+				log.Error(err)
+			}
 			ctx.HTML(http.StatusOK, "index.html", gin.H{
-				"DKRON_API_URL": fmt.Sprintf("/%s", apiPathPrefix),
+				"DKRON_API_URL":         fmt.Sprintf("/%s", apiPathPrefix),
+				"DKRON_LEADER":          l.Name,
+				"DKRON_TOTAL_JOBS":      totalJobs,
+				"DKRON_FAILED_JOBS":     failedJobs,
+				"DKRON_SUCCESSFUL_JOBS": successfulJobs,
 			})
 		}
 	})

ui/src/App.tsx

@@ -9,6 +9,16 @@ import { Layout } from './layout';
 import customRoutes from './routes';
 import themeReducer from './themeReducer';
 
+declare global {
+    interface Window {
+        DKRON_API_URL: string;
+        DKRON_LEADER: string;
+        DKRON_FAILED_JOBS: string;
+        DKRON_SUCCESSFUL_JOBS: string;
+        DKRON_TOTAL_JOBS: string;
+    }
+}
+
 const App = () => (
     <Admin
         dashboard={Dashboard} 

ui/src/dashboard/CardWithIcon.tsx

@@ -0,0 +1,73 @@
+import * as React from 'react';
+import { FC, createElement } from 'react';
+import { Card, Box, Typography, Divider } from '@material-ui/core';
+import { makeStyles } from '@material-ui/core/styles';
+import { Link } from 'react-router-dom';
+
+import cartouche from './cartouche.png';
+import cartoucheDark from './cartoucheDark.png';
+
+interface Props {
+    icon: FC<any>;
+    to: string;
+    title?: string;
+    subtitle?: string | number;
+}
+
+const useStyles = makeStyles(theme => ({
+    card: {
+        minHeight: 52,
+        display: 'flex',
+        flexDirection: 'column',
+        flex: '1',
+        '& a': {
+            textDecoration: 'none',
+            color: 'inherit',
+        },
+    },
+    main: (props: Props) => ({
+        overflow: 'inherit',
+        padding: 16,
+        background: `url(${
+            theme.palette.type === 'dark' ? cartoucheDark : cartouche
+        }) no-repeat`,
+        display: 'flex',
+        justifyContent: 'space-between',
+        alignItems: 'center',
+        '& .icon': {
+            color: theme.palette.type === 'dark' ? 'inherit' : '#dc2440',
+        },
+    }),
+    title: {},
+}));
+
+const CardWithIcon: FC<Props> = props => {
+    const { icon, title, subtitle, to, children } = props;
+    const classes = useStyles(props);
+    return (
+        <Card className={classes.card}>
+            <Link to={to}>
+                <div className={classes.main}>
+                    <Box width="3em" className="icon">
+                        {createElement(icon, { fontSize: 'large' })}
+                    </Box>
+                    <Box textAlign="right">
+                        <Typography
+                            className={classes.title}
+                            color="textSecondary"
+                        >
+                            {title}
+                        </Typography>
+                        <Typography variant="h5" component="h2">
+                            {subtitle || ' '}
+                        </Typography>
+                    </Box>
+                </div>
+            </Link>
+            {children && <Divider />}
+            {children}
+        </Card>
+    );
+};
+
+export default CardWithIcon;

ui/src/dashboard/Dashboard.tsx

@@ -2,6 +2,10 @@ import * as React from "react";
 import { Card, CardContent, CardHeader } from '@material-ui/core';
 import { List, Datagrid, TextField } from 'react-admin';
 import { TagsField } from '../TagsField'
+import Leader from './Leader';
+import FailedJobs from './FailedJobs';
+import SuccessfulJobs from './SuccessfulJobs';
+import TotalJobs from './TotalJobs';
 
 let fakeProps = {
     basePath: "/members",
@@ -17,20 +21,50 @@ let fakeProps = {
     resource: "members"
 }
 
+const styles = {
+    flex: { display: 'flex' },
+    flexColumn: { display: 'flex', flexDirection: 'column' },
+    leftCol: { flex: 1, marginRight: '0.5em' },
+    rightCol: { flex: 1, marginLeft: '0.5em' },
+    singleCol: { marginTop: '1em', marginBottom: '1em' },
+};
+
+const Spacer = () => <span style={{ width: '1em' }} />;
+
 const Dashboard = () => (
-    <Card>
-        <CardHeader title="Nodes" />
-        <CardContent>
-            <List {...fakeProps}>
-                <Datagrid isRowSelectable={ record => false }>
-                    <TextField source="Name" sortable={false} />
-                    <TextField source="Addr" sortable={false} />
-                    <TextField source="Port" sortable={false} />
-                    <TextField source="Status" sortable={false} />
-                    <TagsField source="Tags" sortable={false} />
-                </Datagrid>
-            </List>
-        </CardContent>
-    </Card>
+    <div>
+        <Card>
+            <CardHeader title="Welcome" />
+            <CardContent>
+                <div style={styles.flex}>
+                    <div style={styles.leftCol}>
+                        <div style={styles.flex}>
+                            <Leader value={window.DKRON_LEADER || "devel"} />
+                            <Spacer />
+                            <TotalJobs value={window.DKRON_TOTAL_JOBS || "0"} />
+                            <Spacer />
+                            <SuccessfulJobs value={window.DKRON_SUCCESSFUL_JOBS || "0"} />
+                            <Spacer />
+                            <FailedJobs value={window.DKRON_FAILED_JOBS || "0"} />
+                        </div>
+                    </div>
+                </div>
+            </CardContent>
+        </Card>
+        <Card>
+            <CardHeader title="Nodes" />
+            <CardContent>
+                <List {...fakeProps}>
+                    <Datagrid isRowSelectable={ record => false }>
+                        <TextField source="Name" sortable={false} />
+                        <TextField source="Addr" sortable={false} />
+                        <TextField source="Port" sortable={false} />
+                        <TextField source="Status" sortable={false} />
+                        <TagsField source="Tags" sortable={false} />
+                    </Datagrid>
+                </List>
+            </CardContent>
+        </Card>
+    </div>
 );
 export default Dashboard;

ui/src/dashboard/FailedJobs.tsx

@@ -0,0 +1,22 @@
+import * as React from 'react';
+import { FC } from 'react';
+import Icon from '@material-ui/icons/ThumbDown';
+
+import CardWithIcon from './CardWithIcon';
+
+interface Props {
+    value?: string;
+}
+
+const FailedJobs: FC<Props> = ({ value }) => {
+    return (
+        <CardWithIcon
+            to='/jobs?filter={"status":"failed"}'
+            icon={Icon}
+            title='Failed Jobs'
+            subtitle={value}
+        />
+    );
+};
+
+export default FailedJobs;

ui/src/dashboard/Leader.tsx

@@ -0,0 +1,22 @@
+import * as React from 'react';
+import { FC } from 'react';
+import Icon from '@material-ui/icons/DeviceHub';
+
+import CardWithIcon from './CardWithIcon';
+
+interface Props {
+    value?: string;
+}
+
+const Leader: FC<Props> = ({ value }) => {
+    return (
+        <CardWithIcon
+            to="/jobs"
+            icon={Icon}
+            title='Leader'
+            subtitle={value}
+        />
+    );
+};
+
+export default Leader;

ui/src/dashboard/SuccessfulJobs.tsx

@@ -0,0 +1,22 @@
+import * as React from 'react';
+import { FC } from 'react';
+import Icon from '@material-ui/icons/ThumbUp';
+
+import CardWithIcon from './CardWithIcon';
+
+interface Props {
+    value?: string;
+}
+
+const SuccessfulJobs: FC<Props> = ({ value }) => {
+    return (
+        <CardWithIcon
+            to='/jobs?filter={"status":"success"}'
+            icon={Icon}
+            title='Successful Jobs'
+            subtitle={value}
+        />
+    );
+};
+
+export default SuccessfulJobs;

ui/src/dashboard/TotalJobs.tsx

@@ -0,0 +1,22 @@
+import * as React from 'react';
+import { FC } from 'react';
+import Icon from '@material-ui/icons/Update';
+
+import CardWithIcon from './CardWithIcon';
+
+interface Props {
+    value?: string;
+}
+
+const TotalJobs: FC<Props> = ({ value }) => {
+    return (
+        <CardWithIcon
+            to="/jobs"
+            icon={Icon}
+            title='Total Jobs'
+            subtitle={value}
+        />
+    );
+};
+
+export default TotalJobs;

ui/src/dataProvider.ts

@@ -1,12 +1,6 @@
 import { fetchUtils } from 'ra-core';
 import jsonServerProvider from 'ra-data-json-server';
 
-declare global {
-    interface Window {
-        DKRON_API_URL:any;
-    }
-}
-
 export const apiUrl = window.DKRON_API_URL || 'http://localhost:8080/v1'
 const dataProvider = jsonServerProvider(apiUrl);
 

ui/src/layout/AppBar.tsx

@@ -4,6 +4,7 @@ import { AppBar, UserMenu, MenuItemLink } from 'react-admin';
 import Typography from '@material-ui/core/Typography';
 import SettingsIcon from '@material-ui/icons/Settings';
 import { makeStyles } from '@material-ui/core/styles';
+import Clock from './Clock';
 
 import logo from '../images/dkron-logo.png';
 
@@ -53,6 +54,7 @@ const CustomAppBar = (props: any) => {
             />
             <img src={logo} alt="logo" className={classes.logo} />
             <span className={classes.spacer} />
+            <Clock/>
         </AppBar>
     );
 };

ui/src/layout/Clock.tsx

@@ -0,0 +1,30 @@
+import React, {Component} from 'react';
+
+class Clock extends Component<{}, { date: Date }> {
+    timer: any;
+
+    constructor(props: any){
+        super(props);
+        this.state = {date: new Date()};
+    }
+
+    componentDidMount() {
+        this.timer = setInterval(
+            () => this.setState({date: new Date()}),
+            1000
+        );
+    }
+
+    componentWillUnmount() {
+        clearInterval(this.timer);
+    }
+
+    render(){
+        return( 
+            <div>
+                <div>{this.state.date.toLocaleTimeString()}</div>
+            </div>
+        )
+    }
+}
+export default Clock