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import { HttpResponse } from '@angular/common/http'
import { delayWhen, of, timer } from 'rxjs'
import type { Observable } from 'rxjs'
import type { HttpEvent, HttpInterceptorFn } from '@angular/common/http'
export const projectsMockInterceptor: HttpInterceptorFn = (
req,
next,
): Observable<HttpEvent<any>> => {
const { url } = req
if (url.includes('/api/projects')) {
const cursor = parseInt(
new URLSearchParams(req.url.split('?')[1]).get('cursor') || '0',
10,
)
const pageSize = 4
const data = Array(pageSize)
.fill(0)
.map((_, i) => {
return {
name: 'Project ' + (i + cursor) + ` (server time: ${Date.now()})`,
id: i + cursor,
}
})
const nextId = cursor < 20 ? data[data.length - 1].id + 1 : null
const previousId = cursor > -20 ? data[0].id - pageSize : null
// Simulate network latency with a random delay between 100ms and 500ms
const delayDuration = Math.random() * (500 - 100) + 100
return of(
new HttpResponse({
status: 200,
body: {
data,
nextId,
previousId,
},
}),
).pipe(delayWhen(() => timer(delayDuration)))
}
return next(req)
}
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