mempool/frontend/src/app/components/server-health/server-health.component.ts

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2024-03-03 20:31:02 +00:00
import { Component, OnInit, ChangeDetectionStrategy, SecurityContext, OnDestroy } from '@angular/core';
import { WebsocketService } from '../../services/websocket.service';
import { Observable, Subject, map, tap } from 'rxjs';
import { StateService } from '../../services/state.service';
import { HealthCheckHost } from '../../interfaces/websocket.interface';
import { DomSanitizer } from '@angular/platform-browser';
@Component({
selector: 'app-server-health',
templateUrl: './server-health.component.html',
styleUrls: ['./server-health.component.scss'],
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class ServerHealthComponent implements OnInit, OnDestroy {
hosts$: Observable<HealthCheckHost[]>;
tip$: Subject<number>;
hosts: HealthCheckHost[] = [];
constructor(
private websocketService: WebsocketService,
private stateService: StateService,
public sanitizer: DomSanitizer,
) {}
ngOnInit(): void {
this.hosts$ = this.stateService.serverHealth$.pipe(
map((hosts) => {
const subpath = window.location.pathname.slice(0, -6);
for (const host of hosts) {
let statusUrl = '';
let linkHost = '';
if (host.socket) {
statusUrl = window.location.host + subpath + '/status';
linkHost = window.location.host + subpath;
} else {
statusUrl = host.host.slice(0, -4) + subpath + '/status';
linkHost = host.host.slice(0, -4) + subpath;
}
host.statusPage = this.sanitizer.bypassSecurityTrustResourceUrl(this.sanitizer.sanitize(SecurityContext.URL, statusUrl));
host.link = linkHost;
}
return hosts;
}),
tap((hosts) => {
if (this.hosts.length !== hosts.length) {
this.hosts = hosts;
}
})
);
this.tip$ = this.stateService.chainTip$;
this.websocketService.want(['blocks', 'tomahawk']);
}
scrollTo(host: HealthCheckHost): void {
const el = document.getElementById(host.host);
if (el) {
el.scrollIntoView();
}
}
trackByFn(index: number, host: HealthCheckHost): string {
return host.host;
}
ngOnDestroy(): void {
this.hosts = [];
}
}