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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | 1x 1x 1x 1x 1x 1x 1x 1x 23x 23x 23x 6x 1x 5x 28x 5x 5x 5x 6x 5x 5x 1x 10x 10x 22x | import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Inject, Injectable } from '@angular/core';
import { PRIMARY_OUTLET, Router } from '@angular/router';
import { Store, select } from '@ngrx/store';
import { Observable } from 'rxjs';
import { API_MOCK_PATHS } from 'ish-core/configurations/injection-keys';
import { getRestEndpoint } from 'ish-core/store/core/configuration';
import { InjectSingle } from 'ish-core/utils/injection';
const MOCK_DATA_ROOT = './assets/mock-data';
/**
* redirects a given request to the REST API to mocked data depending on mock settings
*/
@Injectable()
export class MockInterceptor implements HttpInterceptor {
private restEndpoint: string;
constructor(
@Inject(API_MOCK_PATHS) private apiMockPaths: InjectSingle<typeof API_MOCK_PATHS>,
store: Store,
private router: Router
) {
store.pipe(select(getRestEndpoint)).subscribe(data => (this.restEndpoint = data));
}
/**
* Intercepts requests and replaces mock paths with file references.
*/
intercept(req: HttpRequest<unknown>, next: HttpHandler): Observable<HttpEvent<unknown>> {
if (!this.apiMockPaths?.length || !this.urlHasToBeMocked(req.url)) {
return next.handle(req);
}
const mockUrl = `${MOCK_DATA_ROOT}/${this.getRestPath(req.url)}/${req.method.toLocaleLowerCase()}.json`;
const commands = this.router.parseUrl(mockUrl)?.root?.children?.[PRIMARY_OUTLET]?.segments?.map(s => s.path);
const newUrl = this.router.createUrlTree(commands)?.toString();
// eslint-disable-next-line no-console
console.log(`redirecting '${req.url}' to '${newUrl}'`);
return next.handle(req.clone({ url: newUrl, method: 'GET' }));
}
private urlHasToBeMocked(url: string): boolean {
if (url.startsWith(this.restEndpoint)) {
const path = this.getRestPath(url);
return this.matchPath(path, this.apiMockPaths);
}
return false;
}
private getRestPath(url: string): string {
const withoutApplication = url.substring(this.restEndpoint.length);
return withoutApplication.substring(withoutApplication.indexOf('/') + 1).split('?')[0];
}
matchPath(requestedPath: string, pathArray: string[] = []) {
return pathArray.reduce((acc, val) => acc || new RegExp(val).test(requestedPath), false);
}
}
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