Kavita/UI/Web/src/app/admin/manage-logs/manage-logs.component.ts

71 lines
2.3 KiB
TypeScript

import { Component, OnDestroy, OnInit } from '@angular/core';
import { HubConnection, HubConnectionBuilder } from '@microsoft/signalr';
import { BehaviorSubject, take } from 'rxjs';
import { AccountService } from 'src/app/_services/account.service';
import { environment } from 'src/environments/environment';
import { VirtualScrollerModule } from '@iharbeck/ngx-virtual-scroller';
import { AsyncPipe, DatePipe } from '@angular/common';
interface LogMessage {
timestamp: string;
level: 'Information' | 'Debug' | 'Warning' | 'Error';
message: string;
exception: string;
}
@Component({
selector: 'app-manage-logs',
templateUrl: './manage-logs.component.html',
styleUrls: ['./manage-logs.component.scss'],
standalone: true,
imports: [VirtualScrollerModule, AsyncPipe, DatePipe]
})
export class ManageLogsComponent implements OnInit, OnDestroy {
hubUrl = environment.hubUrl;
private hubConnection!: HubConnection;
logsSource = new BehaviorSubject<LogMessage[]>([]);
public logs$ = this.logsSource.asObservable();
constructor(private accountService: AccountService) { }
ngOnInit(): void {
// TODO: Come back and implement this one day
this.accountService.currentUser$.pipe(take(1)).subscribe(user => {
if (user) {
this.hubConnection = new HubConnectionBuilder()
.withUrl(this.hubUrl + 'logs', {
accessTokenFactory: () => user.token
})
.withAutomaticReconnect()
.build();
console.log('Starting log connection');
this.hubConnection
.start()
.catch(err => console.error(err));
this.hubConnection.on('SendLogAsObject', resp => {
const payload = resp.arguments[0] as LogMessage;
const logMessage = {timestamp: payload.timestamp, level: payload.level, message: payload.message, exception: payload.exception};
// NOTE: It might be better to just have a queue to show this
const values = this.logsSource.getValue();
values.push(logMessage);
this.logsSource.next(values);
});
}
});
}
ngOnDestroy(): void {
// unsubscribe from signalr connection
if (this.hubConnection) {
this.hubConnection.stop().catch(err => console.error(err));
console.log('Stopping log connection');
}
}
}