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import { Observable } from 'rxjs'
import { catchError, map } from 'rxjs/operators'
import { HttpClient, HttpParams } from '@angular/common/http'
import { Injectable } from '@angular/core'
import { ComponentPaginationLight, RestExtractor, RestService } from '@app/core'
import { objectLineFeedToHtml } from '@app/helpers'
import {
FeedFormat,
ResultList,
VideoComment as VideoCommentServerModel,
VideoCommentCreate,
VideoCommentThreadTree as VideoCommentThreadTreeServerModel
} from '@shared/models'
import { environment } from '../../../environments/environment'
import { VideoCommentThreadTree } from './video-comment-thread-tree.model'
import { VideoComment } from './video-comment.model'
@Injectable()
export class VideoCommentService {
private static BASE_VIDEO_URL = environment.apiUrl + '/api/v1/videos/'
private static BASE_FEEDS_URL = environment.apiUrl + '/feeds/video-comments.'
constructor (
private authHttp: HttpClient,
private restExtractor: RestExtractor,
private restService: RestService
) {}
addCommentThread (videoId: number | string, comment: VideoCommentCreate) {
const url = VideoCommentService.BASE_VIDEO_URL + videoId + '/comment-threads'
const normalizedComment = objectLineFeedToHtml(comment, 'text')
return this.authHttp.post<{ comment: VideoCommentServerModel }>(url, normalizedComment)
.pipe(
map(data => this.extractVideoComment(data.comment)),
catchError(err => this.restExtractor.handleError(err))
)
}
addCommentReply (videoId: number | string, inReplyToCommentId: number, comment: VideoCommentCreate) {
const url = VideoCommentService.BASE_VIDEO_URL + videoId + '/comments/' + inReplyToCommentId
const normalizedComment = objectLineFeedToHtml(comment, 'text')
return this.authHttp.post<{ comment: VideoCommentServerModel }>(url, normalizedComment)
.pipe(
map(data => this.extractVideoComment(data.comment)),
catchError(err => this.restExtractor.handleError(err))
)
}
getVideoCommentThreads (parameters: {
videoId: number | string,
componentPagination: ComponentPaginationLight,
sort: string
}): Observable<ResultList<VideoComment>> {
const { videoId, componentPagination, sort } = parameters
const pagination = this.restService.componentPaginationToRestPagination(componentPagination)
let params = new HttpParams()
params = this.restService.addRestGetParams(params, pagination, sort)
const url = VideoCommentService.BASE_VIDEO_URL + videoId + '/comment-threads'
return this.authHttp.get<ResultList<VideoComment>>(url, { params })
.pipe(
map(result => this.extractVideoComments(result)),
catchError(err => this.restExtractor.handleError(err))
)
}
getVideoThreadComments (parameters: {
videoId: number | string,
threadId: number
}): Observable<VideoCommentThreadTree> {
const { videoId, threadId } = parameters
const url = `${VideoCommentService.BASE_VIDEO_URL + videoId}/comment-threads/${threadId}`
return this.authHttp
.get<VideoCommentThreadTreeServerModel>(url)
.pipe(
map(tree => this.extractVideoCommentTree(tree)),
catchError(err => this.restExtractor.handleError(err))
)
}
deleteVideoComment (videoId: number | string, commentId: number) {
const url = `${VideoCommentService.BASE_VIDEO_URL + videoId}/comments/${commentId}`
return this.authHttp
.delete(url)
.pipe(
map(this.restExtractor.extractDataBool),
catchError(err => this.restExtractor.handleError(err))
)
}
getVideoCommentsFeeds (videoUUID?: string) {
const feeds = [
{
format: FeedFormat.RSS,
label: 'rss 2.0',
url: VideoCommentService.BASE_FEEDS_URL + FeedFormat.RSS.toLowerCase()
},
{
format: FeedFormat.ATOM,
label: 'atom 1.0',
url: VideoCommentService.BASE_FEEDS_URL + FeedFormat.ATOM.toLowerCase()
},
{
format: FeedFormat.JSON,
label: 'json 1.0',
url: VideoCommentService.BASE_FEEDS_URL + FeedFormat.JSON.toLowerCase()
}
]
if (videoUUID !== undefined) {
for (const feed of feeds) {
feed.url += '?videoId=' + videoUUID
}
}
return feeds
}
private extractVideoComment (videoComment: VideoCommentServerModel) {
return new VideoComment(videoComment)
}
private extractVideoComments (result: ResultList<VideoCommentServerModel>) {
const videoCommentsJson = result.data
const totalComments = result.total
const comments: VideoComment[] = []
for (const videoCommentJson of videoCommentsJson) {
comments.push(new VideoComment(videoCommentJson))
}
return { data: comments, total: totalComments }
}
private extractVideoCommentTree (tree: VideoCommentThreadTreeServerModel) {
if (!tree) return tree as VideoCommentThreadTree
tree.comment = new VideoComment(tree.comment)
tree.children.forEach(c => this.extractVideoCommentTree(c))
return tree as VideoCommentThreadTree
}
}
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