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[] = []
21 @Input() emitOnInit = true
23 @Output() search = new EventEmitter<string>()
27 private searchStream: Subject<string>
29 private viewInitialized = false
30 private emitSearchAfterViewInit = false
33 private route: ActivatedRoute,
34 private router: Router
38 this.initSearchStream()
39 this.listenToRouteSearchChange()
43 this.viewInitialized = true
45 // Init after view init to not send an event too early
46 if (this.emitOnInit && this.emitSearchAfterViewInit) this.emitSearch()
49 onInputSearch (event: Event) {
50 this.scheduleSearchUpdate((event.target as HTMLInputElement).value)
53 onResetTableFilter () {
54 this.immediateSearchUpdate('')
58 return this.filters.length !== 0
61 private scheduleSearchUpdate (value: string) {
62 this.searchValue = value
63 this.searchStream.next(this.searchValue)
66 private immediateSearchUpdate (value: string) {
67 this.searchValue = value
69 this.setQueryParams(this.searchValue)
73 private listenToRouteSearchChange () {
74 this.route.queryParams
75 .subscribe(params => {
76 const search = params.search || ''
78 logger('On route search change "%s".', search)
80 this.searchValue = search
85 private initSearchStream () {
86 this.searchStream = new Subject()
91 distinctUntilChanged()
94 this.setQueryParams(this.searchValue)
100 private emitSearch () {
101 if (!this.viewInitialized) {
102 this.emitSearchAfterViewInit = true
106 logger('On search "%s".', this.searchValue)
108 this.search.emit(this.searchValue)
111 private setQueryParams (search: string) {
112 const queryParams: Params = {}
114 if (search) Object.assign(queryParams, { search })
115 this.router.navigate([ ], { queryParams })