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import * as debug from 'debug'
import { Subject } from 'rxjs'
import { debounceTime, distinctUntilChanged } from 'rxjs/operators'
import { ActivatedRoute, Params, Router } from '@angular/router'
const logger = debug('peertube:tables:RouteFilter')
export abstract class RouteFilter {
search: string
protected searchStream: Subject<string>
protected route: ActivatedRoute
protected router: Router
initSearch () {
this.searchStream = new Subject()
this.searchStream
.pipe(
debounceTime(400),
distinctUntilChanged()
)
.subscribe(search => {
this.search = search
logger('On search %s.', this.search)
this.loadData()
})
}
onSearch (event: Event) {
const target = event.target as HTMLInputElement
this.searchStream.next(target.value)
this.setQueryParams(target.value)
}
resetTableFilter () {
this.setTableFilter('')
this.setQueryParams('')
this.resetSearch()
}
resetSearch () {
this.searchStream.next('')
this.setTableFilter('')
}
listenToSearchChange () {
this.route.queryParams
.subscribe(params => {
this.search = params.search || ''
// Primeng table will run an event to load data
this.setTableFilter(this.search)
})
}
setTableFilter (filter: string, triggerEvent = true) {
// FIXME: cannot use ViewChild, so create a component for the filter input
const filterInput = document.getElementById('table-filter') as HTMLInputElement
if (!filterInput) return
filterInput.value = filter
if (triggerEvent) filterInput.dispatchEvent(new Event('keyup'))
}
protected abstract loadData (): void
private setQueryParams (search: string) {
const queryParams: Params = {}
if (search) Object.assign(queryParams, { search })
this.router.navigate([ ], { queryParams })
}
}
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