import { Injectable } from '@angular/core';
import { Http, Headers, RequestOptions } from '@angular/http';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/map';
import { Search } from '../../shared';
import { SortField } from './sort-field.type';
import { RateType } from './rate-type.type';
import { AuthService } from '../../core';
import {
AuthHttp,
RestExtractor,
RestPagination,
RestService,
ResultList,
UserService
} from '../../shared';
import { Video } from './video.model';
@Injectable()
export class VideoService {
private static BASE_VIDEO_URL = '/api/v1/videos/';
videoCategories: Array<{ id: number, label: string }> = [];
videoLicences: Array<{ id: number, label: string }> = [];
videoLanguages: Array<{ id: number, label: string }> = [];
constructor(
private authService: AuthService,
private authHttp: AuthHttp,
private http: Http,
private restExtractor: RestExtractor,
private restService: RestService
) {}
loadVideoCategories() {
return this.http.get(VideoService.BASE_VIDEO_URL + 'categories')
.map(this.restExtractor.extractDataGet)
.subscribe(data => {
Object.keys(data).forEach(categoryKey => {
this.videoCategories.push({
id: parseInt(categoryKey),
label: data[categoryKey]
});
});
});
}
loadVideoLicences() {
return this.http.get(VideoService.BASE_VIDEO_URL + 'licences')
.map(this.restExtractor.extractDataGet)
.subscribe(data => {
Object.keys(data).forEach(licenceKey => {
this.videoLicences.push({
id: parseInt(licenceKey),
label: data[licenceKey]
});
});
});
}
loadVideoLanguages() {
return this.http.get(VideoService.BASE_VIDEO_URL + 'languages')
.map(this.restExtractor.extractDataGet)
.subscribe(data => {
Object.keys(data).forEach(languageKey => {
this.videoLanguages.push({
id: parseInt(languageKey),
label: data[languageKey]
});
});
});
}
getVideo(id: string): Observable<Video> {
return this.http.get(VideoService.BASE_VIDEO_URL + id)
.map(this.restExtractor.extractDataGet)
.map(video_hash => new Video(video_hash))
.catch((res) => this.restExtractor.handleError(res));
}
updateVideo(video: Video) {
const body = {
name: video.name,
category: video.category,
licence: video.licence,
language: video.language,
description: video.description,
tags: video.tags
};
const headers = new Headers({ 'Content-Type': 'application/json' });
const options = new RequestOptions({ headers: headers });
return this.authHttp.put(`${VideoService.BASE_VIDEO_URL}/${video.id}`, body, options)
.map(this.restExtractor.extractDataBool)
.catch(this.restExtractor.handleError);
}
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));
}
reportVideo(id: string, reason: string) {
const url = VideoService.BASE_VIDEO_URL + id + '/abuse';
const body = {
reason
};
return this.authHttp.post(url, body)
.map(this.restExtractor.extractDataBool)
.catch((res) => this.restExtractor.handleError(res));
}
setVideoLike(id: string) {
return this.setVideoRate(id, 'like');
}
setVideoDislike(id: string) {
return this.setVideoRate(id, 'dislike');
}
getUserVideoRating(id: string) {
const url = UserService.BASE_USERS_URL + '/me/videos/' + id + '/rating';
return this.authHttp.get(url)
.map(this.restExtractor.extractDataGet)
.catch((res) => this.restExtractor.handleError(res));
}
blacklistVideo(id: string) {
return this.authHttp.post(VideoService.BASE_VIDEO_URL + id + '/blacklist', {})
.map(this.restExtractor.extractDataBool)
.catch((res) => this.restExtractor.handleError(res));
}
private setVideoRate(id: string, rateType: RateType) {
const url = VideoService.BASE_VIDEO_URL + id + '/rate';
const body = {
rating: rateType
};
return this.authHttp.put(url, body)
.map(this.restExtractor.extractDataBool)
.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 };
}
}