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import { Observable } from 'rxjs'
import { catchError, map, switchMap } from 'rxjs/operators'
import { HttpClient, HttpParams } from '@angular/common/http'
import { Injectable } from '@angular/core'
import { ComponentPaginationLight, RestExtractor, RestPagination, RestService } from '@app/core'
import { peertubeLocalStorage } from '@app/helpers'
import { AdvancedSearch } from '@app/search/advanced-search.model'
import { Video, VideoChannel, VideoChannelService, VideoService } from '@app/shared/shared-main'
import { ResultList, Video as VideoServerModel, VideoChannel as VideoChannelServerModel } from '@shared/models'
import { SearchTargetType } from '@shared/models/search/search-target-query.model'
import { environment } from '../../environments/environment'
@Injectable()
export class SearchService {
static BASE_SEARCH_URL = environment.apiUrl + '/api/v1/search/'
constructor (
private authHttp: HttpClient,
private restExtractor: RestExtractor,
private restService: RestService,
private videoService: VideoService
) {
// Add ability to override search endpoint if the user updated this local storage key
const searchUrl = peertubeLocalStorage.getItem('search-url')
if (searchUrl) SearchService.BASE_SEARCH_URL = searchUrl
}
searchVideos (parameters: {
search: string,
componentPagination?: ComponentPaginationLight,
advancedSearch?: AdvancedSearch
}): Observable<ResultList<Video>> {
const { search, componentPagination, advancedSearch } = parameters
const url = SearchService.BASE_SEARCH_URL + 'videos'
let pagination: RestPagination
if (componentPagination) {
pagination = this.restService.componentPaginationToRestPagination(componentPagination)
}
let params = new HttpParams()
params = this.restService.addRestGetParams(params, pagination)
if (search) params = params.append('search', search)
if (advancedSearch) {
const advancedSearchObject = advancedSearch.toAPIObject()
params = this.restService.addObjectParams(params, advancedSearchObject)
}
return this.authHttp
.get<ResultList<VideoServerModel>>(url, { params })
.pipe(
switchMap(res => this.videoService.extractVideos(res)),
catchError(err => this.restExtractor.handleError(err))
)
}
searchVideoChannels (parameters: {
search: string,
searchTarget?: SearchTargetType,
componentPagination?: ComponentPaginationLight
}): Observable<ResultList<VideoChannel>> {
const { search, componentPagination, searchTarget } = parameters
const url = SearchService.BASE_SEARCH_URL + 'video-channels'
let pagination: RestPagination
if (componentPagination) {
pagination = this.restService.componentPaginationToRestPagination(componentPagination)
}
let params = new HttpParams()
params = this.restService.addRestGetParams(params, pagination)
params = params.append('search', search)
if (searchTarget) {
params = params.append('searchTarget', searchTarget as string)
}
return this.authHttp
.get<ResultList<VideoChannelServerModel>>(url, { params })
.pipe(
map(res => VideoChannelService.extractVideoChannels(res)),
catchError(err => this.restExtractor.handleError(err))
)
}
}
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