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import { Observable, of } 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 { Video, VideoChannel, VideoChannelService, VideoService } from '@app/shared/shared-main'
import {
ResultList,
Video as VideoServerModel,
VideoChannel as VideoChannelServerModel,
VideoPlaylist as VideoPlaylistServerModel
} from '@shared/models'
import { environment } from '../../../environments/environment'
import { VideoPlaylist, VideoPlaylistService } from '../shared-video-playlist'
import { AdvancedSearch } from './advanced-search.model'
@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,
private playlistService: VideoPlaylistService
) { }
searchVideos (parameters: {
search?: string
componentPagination?: ComponentPaginationLight
advancedSearch?: AdvancedSearch
uuids?: string[]
}): Observable<ResultList<Video>> {
const { search, uuids, componentPagination, advancedSearch } = parameters
if (advancedSearch?.resultType !== undefined && advancedSearch.resultType !== 'videos') {
return of({ total: 0, data: [] })
}
const url = SearchService.BASE_SEARCH_URL + 'videos'
let pagination: RestPagination
if (componentPagination) {
pagination = this.restService.componentToRestPagination(componentPagination)
}
let params = new HttpParams()
params = this.restService.addRestGetParams(params, pagination)
if (search) params = params.append('search', search)
if (uuids) params = this.restService.addArrayParams(params, 'uuids', uuids)
if (advancedSearch) {
const advancedSearchObject = advancedSearch.toVideosAPIObject()
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
advancedSearch?: AdvancedSearch
componentPagination?: ComponentPaginationLight
handles?: string[]
}): Observable<ResultList<VideoChannel>> {
const { search, advancedSearch, componentPagination, handles } = parameters
if (advancedSearch?.resultType !== undefined && advancedSearch.resultType !== 'channels') {
return of({ total: 0, data: [] })
}
const url = SearchService.BASE_SEARCH_URL + 'video-channels'
let pagination: RestPagination
if (componentPagination) {
pagination = this.restService.componentToRestPagination(componentPagination)
}
let params = new HttpParams()
params = this.restService.addRestGetParams(params, pagination)
if (search) params = params.append('search', search)
if (handles) params = this.restService.addArrayParams(params, 'handles', handles)
if (advancedSearch) {
const advancedSearchObject = advancedSearch.toChannelAPIObject()
params = this.restService.addObjectParams(params, advancedSearchObject)
}
return this.authHttp
.get<ResultList<VideoChannelServerModel>>(url, { params })
.pipe(
map(res => VideoChannelService.extractVideoChannels(res)),
catchError(err => this.restExtractor.handleError(err))
)
}
searchVideoPlaylists (parameters: {
search?: string
advancedSearch?: AdvancedSearch
componentPagination?: ComponentPaginationLight
uuids?: string[]
}): Observable<ResultList<VideoPlaylist>> {
const { search, advancedSearch, componentPagination, uuids } = parameters
if (advancedSearch?.resultType !== undefined && advancedSearch.resultType !== 'playlists') {
return of({ total: 0, data: [] })
}
const url = SearchService.BASE_SEARCH_URL + 'video-playlists'
let pagination: RestPagination
if (componentPagination) {
pagination = this.restService.componentToRestPagination(componentPagination)
}
let params = new HttpParams()
params = this.restService.addRestGetParams(params, pagination)
if (search) params = params.append('search', search)
if (uuids) params = this.restService.addArrayParams(params, 'uuids', uuids)
if (advancedSearch) {
const advancedSearchObject = advancedSearch.toPlaylistAPIObject()
params = this.restService.addObjectParams(params, advancedSearchObject)
}
return this.authHttp
.get<ResultList<VideoPlaylistServerModel>>(url, { params })
.pipe(
switchMap(res => this.playlistService.extractPlaylists(res)),
catchError(err => this.restExtractor.handleError(err))
)
}
}
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