1// Copyright (C) 2020 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15import {Engine} from '../common/engine';
16
17import {Controller} from './controller';
18import {globals} from './globals';
19
20export interface TraceErrorControllerArgs {
21  engine: Engine;
22}
23
24export class TraceErrorController extends Controller<'main'> {
25  private hasRun = false;
26  constructor(private args: TraceErrorControllerArgs) {
27    super('main');
28  }
29
30  run() {
31    if (this.hasRun) {
32      return;
33    }
34    this.hasRun = true;
35    this.args.engine
36        .queryOneRow(`SELECT sum(value) FROM stats WHERE severity != 'info'`)
37        .then(result => {
38          globals.publish('TraceErrors', result[0]);
39        });
40  }
41}
42