-import { Component, Input, OnInit } from '@angular/core'
+import { Component, Input, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core'
+import { ActivatedRoute } from '@angular/router'
+import { ConfirmService } from '@app/core'
import { NotificationsService } from 'angular2-notifications'
+import { Subscription } from 'rxjs/Subscription'
import { VideoCommentThreadTree } from '../../../../../../shared/models/videos/video-comment.model'
import { AuthService } from '../../../core/auth'
import { ComponentPagination } from '../../../shared/rest/component-pagination.model'
templateUrl: './video-comments.component.html',
styleUrls: ['./video-comments.component.scss']
})
-export class VideoCommentsComponent implements OnInit {
+export class VideoCommentsComponent implements OnInit, OnChanges, OnDestroy {
@Input() video: VideoDetails
@Input() user: User
comments: VideoComment[] = []
+ highlightedThread: VideoComment
sort: SortField = '-createdAt'
componentPagination: ComponentPagination = {
currentPage: 1,
threadComments: { [ id: number ]: VideoCommentThreadTree } = {}
threadLoading: { [ id: number ]: boolean } = {}
+ private sub: Subscription
+
constructor (
private authService: AuthService,
private notificationsService: NotificationsService,
- private videoCommentService: VideoCommentService
+ private confirmService: ConfirmService,
+ private videoCommentService: VideoCommentService,
+ private activatedRoute: ActivatedRoute
) {}
ngOnInit () {
- if (this.video.commentsEnabled === true) {
- this.loadMoreComments()
+ // Find highlighted comment in params
+ this.sub = this.activatedRoute.params.subscribe(
+ params => {
+ if (params['threadId']) {
+ const highlightedThreadId = +params['threadId']
+ this.processHighlightedThread(highlightedThreadId)
+ }
+ }
+ )
+ }
+
+ ngOnChanges (changes: SimpleChanges) {
+ if (changes['video']) {
+ this.resetVideo()
}
}
- viewReplies (comment: VideoComment) {
- this.threadLoading[comment.id] = true
+ ngOnDestroy () {
+ if (this.sub) this.sub.unsubscribe()
+ }
+
+ viewReplies (commentId: number, highlightThread = false) {
+ this.threadLoading[commentId] = true
- this.videoCommentService.getVideoThreadComments(this.video.id, comment.id)
+ this.videoCommentService.getVideoThreadComments(this.video.id, commentId)
.subscribe(
res => {
- this.threadComments[comment.id] = res
- this.threadLoading[comment.id] = false
+ this.threadComments[commentId] = res
+ this.threadLoading[commentId] = false
+
+ if (highlightThread) this.highlightedThread = new VideoComment(res.comment)
},
err => this.notificationsService.error('Error', err.message)
this.inReplyToCommentId = undefined
}
+ onThreadCreated (commentTree: VideoCommentThreadTree) {
+ this.viewReplies(commentTree.comment.id)
+ }
+
+ async onWantedToDelete (commentToDelete: VideoComment) {
+ let message = 'Do you really want to delete this comment?'
+ if (commentToDelete.totalReplies !== 0) message += `${commentToDelete.totalReplies} would be deleted too.`
+
+ const res = await this.confirmService.confirm(message, 'Delete')
+ if (res === false) return
+
+ this.videoCommentService.deleteVideoComment(commentToDelete.videoId, commentToDelete.id)
+ .subscribe(
+ () => {
+ // Delete the comment in the tree
+ if (commentToDelete.inReplyToCommentId) {
+ const thread = this.threadComments[commentToDelete.threadId]
+ if (!thread) {
+ console.error(`Cannot find thread ${commentToDelete.threadId} of the comment to delete ${commentToDelete.id}`)
+ return
+ }
+
+ this.deleteLocalCommentThread(thread, commentToDelete)
+ return
+ }
+
+ // Delete the thread
+ this.comments = this.comments.filter(c => c.id !== commentToDelete.id)
+ this.componentPagination.totalItems--
+ },
+
+ err => this.notificationsService.error('Error', err.message)
+ )
+ }
+
isUserLoggedIn () {
return this.authService.isLoggedIn()
}
}
}
- protected hasMoreComments () {
+ private hasMoreComments () {
// No results
if (this.componentPagination.totalItems === 0) return false
const maxPage = this.componentPagination.totalItems / this.componentPagination.itemsPerPage
return maxPage > this.componentPagination.currentPage
}
+
+ private deleteLocalCommentThread (parentComment: VideoCommentThreadTree, commentToDelete: VideoComment) {
+ for (const commentChild of parentComment.children) {
+ if (commentChild.comment.id === commentToDelete.id) {
+ parentComment.children = parentComment.children.filter(c => c.comment.id !== commentToDelete.id)
+ return
+ }
+
+ this.deleteLocalCommentThread(commentChild, commentToDelete)
+ }
+ }
+
+ private resetVideo () {
+ if (this.video.commentsEnabled === true) {
+ // Reset all our fields
+ this.highlightedThread = null
+ this.comments = []
+ this.threadComments = {}
+ this.threadLoading = {}
+ this.inReplyToCommentId = undefined
+ this.componentPagination.currentPage = 1
+ this.componentPagination.totalItems = null
+
+ this.loadMoreComments()
+ }
+ }
+
+ private processHighlightedThread (highlightedThreadId: number) {
+ this.highlightedThread = this.comments.find(c => c.id === highlightedThreadId)
+
+ const highlightThread = true
+ this.viewReplies(highlightedThreadId, highlightThread)
+ }
}