Show realtime debug log in WebUI #71

interface/src/system/LogEventConsole.tsx

@@ -38,10 +38,10 @@ const useStyles = makeStyles((theme: Theme) => ({
     whiteSpace: 'nowrap'
   },
   debug: {
-    color: '#0000ff'
+    color: '#00FFFF'
   },
   info: {
-    color: '#00ff00'
+    color: '#ffff00'
   },
   notice: {
     color: '#ffff00'
@@ -67,7 +67,8 @@ const LogEventConsole: FC<LogEventConsoleProps> = (props) => {
         return classes.info;
       case LogLevel.NOTICE:
         return classes.notice;
-      case LogLevel.ERR:
+      case LogLevel.WARNING:
+      case LogLevel.ERROR:
         return classes.err;
       default:
         return classes.unknown;
@@ -80,10 +81,14 @@ const LogEventConsole: FC<LogEventConsoleProps> = (props) => {
         return 'DEBUG';
       case LogLevel.INFO:
         return 'INFO';
-      case LogLevel.ERR:
-        return 'ERR';
+      case LogLevel.ERROR:
+        return 'ERROR';
       case LogLevel.NOTICE:
         return 'NOTICE';
+      case LogLevel.WARNING:
+        return 'WARNING';
+      case LogLevel.TRACE:
+        return 'TRACE';
       default:
         return '?';
     }
@@ -91,17 +96,23 @@ const LogEventConsole: FC<LogEventConsoleProps> = (props) => {
 
   const paddedLevelLabel = (level: LogLevel) => {
     const label = levelLabel(level);
-    return label.padStart(7, '\xa0');
+    return label.padStart(8, '\xa0');
+  };
+
+  const paddedNameLabel = (name: string) => {
+    const label = '[' + name + ']';
+    return label.padStart(8, '\xa0');
   };
 
   return (
-    <Box className={classes.console}>
+    <Box id="log-window" className={classes.console}>
       {events.map((e) => (
         <div className={classes.entry}>
-          <span>{e.time} </span>
+          <span>{e.time}</span>
           <span className={styleLevel(e.level)}>
             {paddedLevelLabel(e.level)}{' '}
           </span>
+          <span>{paddedNameLabel(e.name)} </span>
           <span>{e.message}</span>
         </div>
       ))}

interface/src/system/LogEventController.tsx

@@ -1,23 +1,26 @@
 import { Component } from 'react';
-import { FormActions, FormButton } from '../components';
+
+import { createStyles, WithStyles, Theme } from '@material-ui/core';
 
 import {
-  createStyles,
-  WithStyles,
-  withStyles,
-  Typography,
-  Theme,
-  Paper
-} from '@material-ui/core';
+  restController,
+  RestControllerProps,
+  RestFormLoader,
+  SectionContent
+} from '../components';
 
-import { LogEvent } from './types';
-import { EVENT_SOURCE_ROOT } from '../api/Env';
-import LogEventConsole from './LogEventConsole';
 import { addAccessTokenParameter } from '../authentication';
 
-import SaveIcon from '@material-ui/icons/Save';
+import { ENDPOINT_ROOT, EVENT_SOURCE_ROOT } from '../api';
+export const FETCH_LOG_ENDPOINT = ENDPOINT_ROOT + 'fetchLog';
+export const LOG_SETTINGS_ENDPOINT = ENDPOINT_ROOT + 'logSettings';
 
-const LOG_EVENT_EVENT_SOURCE_URL = EVENT_SOURCE_ROOT + 'log';
+export const LOG_EVENT_EVENT_SOURCE_URL = EVENT_SOURCE_ROOT + 'log';
+
+import LogEventForm from './LogEventForm';
+import LogEventConsole from './LogEventConsole';
+
+import { LogEvent, LogSettings } from './types';
 
 interface LogEventControllerState {
   eventSource?: EventSource;
@@ -32,7 +35,8 @@ const styles = (theme: Theme) =>
     }
   });
 
-type LogEventControllerProps = WithStyles<typeof styles>;
+type LogEventControllerProps = RestControllerProps<LogSettings> &
+  WithStyles<typeof styles>;
 
 class LogEventController extends Component<
   LogEventControllerProps,
@@ -49,6 +53,8 @@ class LogEventController extends Component<
   }
 
   componentDidMount() {
+    this.props.loadData();
+    this.fetchLog();
     this.configureEventSource();
   }
 
@@ -61,6 +67,24 @@ class LogEventController extends Component<
     }
   }
 
+  fetchLog = () => {
+    fetch(FETCH_LOG_ENDPOINT)
+      .then((response) => {
+        if (response.status === 200) {
+          return response.json();
+        } else {
+          throw Error('Unexpected status code: ' + response.status);
+        }
+      })
+      .then((json) => {
+        this.setState({ events: json.events });
+      })
+      .catch((error) => {
+        this.setState({ events: [] });
+        throw Error('Unexpected error: ' + error);
+      });
+  };
+
   configureEventSource = () => {
     this.eventSource = new EventSource(
       addAccessTokenParameter(LOG_EVENT_EVENT_SOURCE_URL)
@@ -86,24 +110,16 @@ class LogEventController extends Component<
   };
 
   render() {
-    const { classes } = this.props;
     return (
-      <Paper id="log-window" className={classes.content}>
-        <Typography variant="h6">System Log</Typography>
-        <FormActions>
-          <FormButton
-            startIcon={<SaveIcon />}
-            variant="contained"
-            color="secondary"
-            // onClick={this.requestNetworkScan}
-          >
-            Save
-          </FormButton>
-        </FormActions>
+      <SectionContent title="System Log" id="log-window">
+        <RestFormLoader
+          {...this.props}
+          render={(formProps) => <LogEventForm {...formProps} />}
+        />
         <LogEventConsole events={this.state.events} />
-      </Paper>
+      </SectionContent>
     );
   }
 }
 
-export default withStyles(styles)(LogEventController);
+export default restController(LOG_SETTINGS_ENDPOINT, LogEventController);

interface/src/system/LogEventForm.tsx

@@ -0,0 +1,87 @@
+import { Component } from 'react';
+
+import {
+  ValidatorForm,
+  SelectValidator
+} from 'react-material-ui-form-validator';
+
+import MenuItem from '@material-ui/core/MenuItem';
+
+import {
+  redirectingAuthorizedFetch,
+  withAuthenticatedContext,
+  AuthenticatedContextProps
+} from '../authentication';
+
+import { RestFormProps } from '../components';
+import { LogSettings } from './types';
+
+import { ENDPOINT_ROOT } from '../api';
+export const LOG_SETTINGS_ENDPOINT = ENDPOINT_ROOT + 'logSettings';
+
+type LogEventFormProps = AuthenticatedContextProps & RestFormProps<LogSettings>;
+
+class LogEventForm extends Component<LogEventFormProps> {
+  changeLevel = (event: React.ChangeEvent<HTMLSelectElement>) => {
+    const { data, setData } = this.props;
+    setData({
+      ...data,
+      level: parseInt(event.target.value)
+    });
+
+    redirectingAuthorizedFetch(LOG_SETTINGS_ENDPOINT, {
+      method: 'POST',
+      body: JSON.stringify({ level: event.target.value }),
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    })
+      .then((response) => {
+        if (response.status === 200) {
+          return response.json();
+        }
+        throw Error('Unexpected response code: ' + response.status);
+      })
+      .then((json) => {
+        this.props.enqueueSnackbar('Log settings changed', {
+          variant: 'success'
+        });
+        setData({
+          ...data,
+          level: json.level
+        });
+      })
+      .catch((error) => {
+        this.props.enqueueSnackbar(
+          error.message || 'Problem changing log settings',
+          { variant: 'warning' }
+        );
+      });
+  };
+
+  render() {
+    const { data, saveData } = this.props;
+    return (
+      <ValidatorForm onSubmit={saveData}>
+        <SelectValidator
+          name="level"
+          label="Log Level"
+          value={data.level}
+          variant="outlined"
+          onChange={this.changeLevel}
+          margin="normal"
+        >
+          <MenuItem value={-1}>OFF</MenuItem>
+          <MenuItem value={3}>ERROR</MenuItem>
+          <MenuItem value={4}>WARNING</MenuItem>
+          <MenuItem value={5}>NOTICE</MenuItem>
+          <MenuItem value={6}>INFO</MenuItem>
+          <MenuItem value={7}>DEBUG</MenuItem>
+          <MenuItem value={8}>TRACE</MenuItem>
+        </SelectValidator>
+      </ValidatorForm>
+    );
+  }
+}
+
+export default withAuthenticatedContext(LogEventForm);

interface/src/system/OTASettingsController.tsx

@@ -1,4 +1,4 @@
-import React, { Component } from 'react';
+import { Component } from 'react';
 
 import {
   restController,

interface/src/system/OTASettingsForm.tsx

@@ -11,6 +11,7 @@ import {
   FormButton,
   FormActions
 } from '../components';
+
 import { isIP, isHostname, or } from '../validators';
 
 import { OTASettings } from './types';

interface/src/system/types.ts

@@ -38,14 +38,21 @@ export interface OTASettings {
 }
 
 export enum LogLevel {
-  ERR = 3,
+  ERROR = 3,
+  WARNING = 4,
   NOTICE = 5,
   INFO = 6,
-  DEBUG = 7
+  DEBUG = 7,
+  TRACE = 8
 }
 
 export interface LogEvent {
   time: string;
   level: LogLevel;
+  name: string;
   message: string;
 }
+
+export interface LogSettings {
+  level: LogLevel;
+}