1 import * as debug from 'debug'
2 import { Subject } from 'rxjs'
3 import { debounceTime, distinctUntilChanged } from 'rxjs/operators'
4 import { AfterViewInit, Component, EventEmitter, Input, OnInit, Output } from '@angular/core'
5 import { ActivatedRoute, Params, Router } from '@angular/router'
7 export type AdvancedInputFilter = {
12 const logger = debug('peertube:AdvancedInputFilterComponent')
15 selector: 'my-advanced-input-filter',
16 templateUrl: './advanced-input-filter.component.html',
17 styleUrls: [ './advanced-input-filter.component.scss' ]
19 export class AdvancedInputFilterComponent implements OnInit, AfterViewInit {
20 @Input() filters: AdvancedInputFilter[] = []
22 @Output() search = new EventEmitter<string>()
26 private searchStream: Subject<string>
28 private viewInitialized = false
29 private emitSearchAfterViewInit = false
32 private route: ActivatedRoute,
33 private router: Router
37 this.initSearchStream()
38 this.listenToRouteSearchChange()
42 this.viewInitialized = true
44 // Init after view init to not send an event too early
45 if (this.emitSearchAfterViewInit) this.emitSearch()
48 onInputSearch (event: Event) {
49 this.scheduleSearchUpdate((event.target as HTMLInputElement).value)
52 onResetTableFilter () {
53 this.immediateSearchUpdate('')
57 return this.filters.length !== 0
60 private scheduleSearchUpdate (value: string) {
61 this.searchValue = value
62 this.searchStream.next(this.searchValue)
65 private immediateSearchUpdate (value: string) {
66 this.searchValue = value
68 this.setQueryParams(this.searchValue)
72 private listenToRouteSearchChange () {
73 this.route.queryParams
74 .subscribe(params => {
75 const search = params.search || ''
77 logger('On route search change "%s".', search)
79 this.searchValue = search
84 private initSearchStream () {
85 this.searchStream = new Subject()
90 distinctUntilChanged()
93 this.setQueryParams(this.searchValue)
99 private emitSearch () {
100 if (!this.viewInitialized) {
101 this.emitSearchAfterViewInit = true
105 logger('On search "%s".', this.searchValue)
107 this.search.emit(this.searchValue)
110 private setQueryParams (search: string) {
111 const queryParams: Params = {}
113 if (search) Object.assign(queryParams, { search })
114 this.router.navigate([ ], { queryParams })