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import { Injectable } from '@angular/core';
import { Http } from '@angular/http';
import { Observable } from 'rxjs/Observable';
import { Search } from '../../shared';
import { SortField } from './sort-field.type';
import { AuthHttp, AuthService, RestExtractor, RestPagination, RestService, ResultList } from '../../shared';
import { Video } from './video.model';
@Injectable()
export class VideoService {
private static BASE_VIDEO_URL = '/api/v1/videos/';
constructor(
private authService: AuthService,
private authHttp: AuthHttp,
private http: Http,
private restExtractor: RestExtractor,
private restService: RestService
) {}
getVideo(id: string): Observable<Video> {
return this.http.get(VideoService.BASE_VIDEO_URL + id)
.map(this.restExtractor.extractDataGet)
.catch((res) => this.restExtractor.handleError(res));
}
getVideos(pagination: RestPagination, sort: SortField) {
const params = this.restService.buildRestGetParams(pagination, sort);
return this.http.get(VideoService.BASE_VIDEO_URL, { search: params })
.map(res => res.json())
.map(this.extractVideos)
.catch((res) => this.restExtractor.handleError(res));
}
removeVideo(id: string) {
return this.authHttp.delete(VideoService.BASE_VIDEO_URL + id)
.map(this.restExtractor.extractDataBool)
.catch((res) => this.restExtractor.handleError(res));
}
searchVideos(search: Search, pagination: RestPagination, sort: SortField) {
const params = this.restService.buildRestGetParams(pagination, sort);
if (search.field) params.set('field', search.field);
return this.http.get(VideoService.BASE_VIDEO_URL + 'search/' + encodeURIComponent(search.value), { search: params })
.map(this.restExtractor.extractDataList)
.map(this.extractVideos)
.catch((res) => this.restExtractor.handleError(res));
}
private extractVideos(result: ResultList) {
const videosJson = result.data;
const totalVideos = result.total;
const videos = [];
for (const videoJson of videosJson) {
videos.push(new Video(videoJson));
}
return { videos, totalVideos };
}
}
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