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import { Component, Input, OnInit } from '@angular/core'
import { NotificationsService } from 'angular2-notifications'
import { VideoCommentThreadTree } from '../../../../../../shared/models/videos/video-comment.model'
import { AuthService } from '../../../core/auth'
import { ComponentPagination } from '../../../shared/rest/component-pagination.model'
import { User } from '../../../shared/users'
import { SortField } from '../../../shared/video/sort-field.type'
import { VideoDetails } from '../../../shared/video/video-details.model'
import { VideoComment } from './video-comment.model'
import { VideoCommentService } from './video-comment.service'
@Component({
selector: 'my-video-comments',
templateUrl: './video-comments.component.html',
styleUrls: ['./video-comments.component.scss']
})
export class VideoCommentsComponent implements OnInit {
@Input() video: VideoDetails
@Input() user: User
comments: VideoComment[] = []
sort: SortField = '-createdAt'
componentPagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 10,
totalItems: null
}
inReplyToCommentId: number
threadComments: { [ id: number ]: VideoCommentThreadTree } = {}
threadLoading: { [ id: number ]: boolean } = {}
constructor (
private authService: AuthService,
private notificationsService: NotificationsService,
private videoCommentService: VideoCommentService
) {}
ngOnInit () {
if (this.video.commentsEnabled === true) {
this.loadMoreComments()
}
}
viewReplies (comment: VideoComment) {
this.threadLoading[comment.id] = true
this.videoCommentService.getVideoThreadComments(this.video.id, comment.id)
.subscribe(
res => {
this.threadComments[comment.id] = res
this.threadLoading[comment.id] = false
},
err => this.notificationsService.error('Error', err.message)
)
}
loadMoreComments () {
this.videoCommentService.getVideoCommentThreads(this.video.id, this.componentPagination, this.sort)
.subscribe(
res => {
this.comments = this.comments.concat(res.comments)
this.componentPagination.totalItems = res.totalComments
},
err => this.notificationsService.error('Error', err.message)
)
}
onCommentThreadCreated (comment: VideoComment) {
this.comments.unshift(comment)
}
onWantedToReply (comment: VideoComment) {
this.inReplyToCommentId = comment.id
}
onResetReply () {
this.inReplyToCommentId = undefined
}
isUserLoggedIn () {
return this.authService.isLoggedIn()
}
onNearOfBottom () {
this.componentPagination.currentPage++
if (this.hasMoreComments()) {
this.loadMoreComments()
}
}
protected hasMoreComments () {
// No results
if (this.componentPagination.totalItems === 0) return false
// Not loaded yet
if (!this.componentPagination.totalItems) return true
const maxPage = this.componentPagination.totalItems / this.componentPagination.itemsPerPage
return maxPage > this.componentPagination.currentPage
}
}
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