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import { ChartData, ChartOptions, TooltipItem, TooltipModel } from 'chart.js'
import { max, maxBy, min, minBy } from 'lodash-es'
import { Subject } from 'rxjs'
import { Component } from '@angular/core'
import { AuthService, ComponentPagination, ConfirmService, hasMoreItems, Notifier, ScreenService } from '@app/core'
import { VideoChannel, VideoChannelService } from '@app/shared/shared-main'
@Component({
templateUrl: './my-video-channels.component.html',
styleUrls: [ './my-video-channels.component.scss' ]
})
export class MyVideoChannelsComponent {
totalItems: number
videoChannels: VideoChannel[] = []
videoChannelsChartData: ChartData[]
chartOptions: ChartOptions
search: string
onChannelDataSubject = new Subject<any>()
pagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 10,
totalItems: null
}
constructor (
private authService: AuthService,
private notifier: Notifier,
private confirmService: ConfirmService,
private videoChannelService: VideoChannelService,
private screenService: ScreenService
) {}
get isInSmallView () {
return this.screenService.isInSmallView()
}
onSearch (search: string) {
this.search = search
this.pagination.currentPage = 1
this.videoChannels = []
this.authService.userInformationLoaded
.subscribe(() => this.loadMoreVideoChannels())
}
async deleteVideoChannel (videoChannel: VideoChannel) {
const res = await this.confirmService.confirmWithExpectedInput(
$localize`Do you really want to delete ${videoChannel.displayName}?
It will delete ${videoChannel.videosCount} videos uploaded in this channel, and you will not be able to create another
channel with the same name (${videoChannel.name})!`,
$localize`Please type the name of the video channel (${videoChannel.name}) to confirm`,
videoChannel.name,
$localize`Delete`
)
if (res === false) return
this.videoChannelService.removeVideoChannel(videoChannel)
.subscribe({
next: () => {
this.videoChannels = this.videoChannels.filter(c => c.id !== videoChannel.id)
this.notifier.success($localize`Video channel ${videoChannel.displayName} deleted.`)
},
error: err => this.notifier.error(err.message)
})
}
onNearOfBottom () {
if (!hasMoreItems(this.pagination)) return
this.pagination.currentPage += 1
this.loadMoreVideoChannels()
}
private loadMoreVideoChannels () {
const user = this.authService.getUser()
const options = {
account: user.account,
withStats: true,
search: this.search,
componentPagination: this.pagination,
sort: '-updatedAt'
}
return this.videoChannelService.listAccountVideoChannels(options)
.subscribe(res => {
this.videoChannels = this.videoChannels.concat(res.data)
this.totalItems = res.total
// chart data
this.videoChannelsChartData = this.videoChannels.map(v => ({
labels: v.viewsPerDay.map(day => day.date.toLocaleDateString()),
datasets: [
{
label: $localize`Views for the day`,
data: v.viewsPerDay.map(day => day.views),
fill: false,
borderColor: '#c6c6c6'
}
]
} as ChartData))
this.buildChartOptions()
this.onChannelDataSubject.next(res.data)
})
}
private buildChartOptions () {
// chart options that depend on chart data:
// we don't want to skew values and have min at 0, so we define what the floor/ceiling is here
const videoChannelsMinimumDailyViews = min(
// compute local minimum daily views for each channel, by their "views" attribute
this.videoChannels.map(v => minBy(
v.viewsPerDay,
day => day.views
).views) // the object returned is a ViewPerDate, so we still need to get the views attribute
)
const videoChannelsMaximumDailyViews = max(
// compute local maximum daily views for each channel, by their "views" attribute
this.videoChannels.map(v => maxBy(
v.viewsPerDay,
day => day.views
).views) // the object returned is a ViewPerDate, so we still need to get the views attribute
)
this.chartOptions = {
plugins: {
legend: {
display: false
},
tooltip: {
mode: 'index',
intersect: false,
external: function ({ tooltip }: { tooltip: TooltipModel<any> }) {
if (!tooltip) return
// disable displaying the color box
tooltip.options.displayColors = false
},
callbacks: {
label: (tooltip: TooltipItem<any>) => `${tooltip.formattedValue} views`
}
}
},
scales: {
x: {
display: false
},
y: {
display: false,
min: Math.max(0, videoChannelsMinimumDailyViews - (3 * videoChannelsMaximumDailyViews / 100)),
max: Math.max(1, videoChannelsMaximumDailyViews)
}
},
layout: {
padding: {
left: 15,
right: 15,
top: 10,
bottom: 0
}
},
elements: {
point: {
radius: 0
}
},
hover: {
mode: 'index',
intersect: false
}
}
}
}
|
