144 lines
4.4 KiB
TypeScript
144 lines
4.4 KiB
TypeScript
import { Component, OnDestroy, OnInit } from '@angular/core'
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import { ActivatedRoute, Router } from '@angular/router'
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import { RedirectService } from '@app/core'
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import { NotificationsService } from 'angular2-notifications'
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import { forkJoin, Subscription } from 'rxjs'
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import { SearchService } from '@app/search/search.service'
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import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
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import { I18n } from '@ngx-translate/i18n-polyfill'
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import { Video } from '../../../../shared'
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import { MetaService } from '@ngx-meta/core'
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import { AdvancedSearch } from '@app/search/advanced-search.model'
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import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
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import { immutableAssign } from '@app/shared/misc/utils'
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@Component({
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selector: 'my-search',
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styleUrls: [ './search.component.scss' ],
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templateUrl: './search.component.html'
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})
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export class SearchComponent implements OnInit, OnDestroy {
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videos: Video[] = []
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videoChannels: VideoChannel[] = []
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pagination: ComponentPagination = {
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currentPage: 1,
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itemsPerPage: 10, // Only for videos, use another variable for channels
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totalItems: null
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}
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advancedSearch: AdvancedSearch = new AdvancedSearch()
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isSearchFilterCollapsed = true
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currentSearch: string
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private subActivatedRoute: Subscription
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private isInitialLoad = true
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private channelsPerPage = 2
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constructor (
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private i18n: I18n,
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private route: ActivatedRoute,
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private router: Router,
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private metaService: MetaService,
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private redirectService: RedirectService,
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private notificationsService: NotificationsService,
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private searchService: SearchService
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) { }
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ngOnInit () {
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this.subActivatedRoute = this.route.queryParams.subscribe(
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queryParams => {
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const querySearch = queryParams['search']
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// New empty search
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if (this.currentSearch && !querySearch) return this.redirectService.redirectToHomepage()
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// Search updated, reset filters
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if (this.currentSearch !== querySearch) {
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this.resetPagination()
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this.advancedSearch.reset()
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this.currentSearch = querySearch
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this.updateTitle()
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}
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this.advancedSearch = new AdvancedSearch(queryParams)
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// Don't hide filters if we have some of them AND the user just came on the webpage
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this.isSearchFilterCollapsed = this.isInitialLoad === false || !this.advancedSearch.containsValues()
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this.isInitialLoad = false
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this.search()
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},
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err => this.notificationsService.error('Error', err.text)
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)
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}
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ngOnDestroy () {
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if (this.subActivatedRoute) this.subActivatedRoute.unsubscribe()
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}
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search () {
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forkJoin([
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this.searchService.searchVideos(this.currentSearch, this.pagination, this.advancedSearch),
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this.searchService.searchVideoChannels(this.currentSearch, immutableAssign(this.pagination, { itemsPerPage: this.channelsPerPage }))
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])
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.subscribe(
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([ videosResult, videoChannelsResult ]) => {
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this.videos = this.videos.concat(videosResult.videos)
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this.pagination.totalItems = videosResult.totalVideos + videoChannelsResult.total
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this.videoChannels = this.videoChannels.concat(videoChannelsResult.data)
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// Focus on channels
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if (this.channelsPerPage !== 10 && this.videos.length < this.pagination.itemsPerPage) {
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this.resetPagination()
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this.channelsPerPage = 10
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this.search()
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}
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},
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error => {
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this.notificationsService.error(this.i18n('Error'), error.message)
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}
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)
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}
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onNearOfBottom () {
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// Last page
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if (this.pagination.totalItems <= (this.pagination.currentPage * this.pagination.itemsPerPage)) return
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this.pagination.currentPage += 1
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this.search()
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}
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onFiltered () {
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this.resetPagination()
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this.updateUrlFromAdvancedSearch()
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}
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private resetPagination () {
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this.pagination.currentPage = 1
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this.pagination.totalItems = null
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this.channelsPerPage = 2
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this.videos = []
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this.videoChannels = []
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}
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private updateTitle () {
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this.metaService.setTitle(this.i18n('Search') + ' ' + this.currentSearch)
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}
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private updateUrlFromAdvancedSearch () {
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this.router.navigate([], {
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relativeTo: this.route,
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queryParams: Object.assign({}, this.advancedSearch.toUrlObject(), { search: this.currentSearch })
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})
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}
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}
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