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import { ChartData } from 'chart.js'
import { max, maxBy, min, minBy } from 'lodash-es'
import { Subject } from 'rxjs'
import { debounceTime, mergeMap } from 'rxjs/operators'
import { Component, OnInit } from '@angular/core'
import { AuthService, ConfirmService, Notifier, ScreenService, User } 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 implements OnInit {
totalItems: number
videoChannels: VideoChannel[] = []
videoChannelsChartData: ChartData[]
videoChannelsMinimumDailyViews = 0
videoChannelsMaximumDailyViews: number
channelsSearch: string
channelsSearchChanged = new Subject<string>()
chartOptions: any
private user: User
constructor (
private authService: AuthService,
private notifier: Notifier,
private confirmService: ConfirmService,
private videoChannelService: VideoChannelService,
private screenService: ScreenService
) {}
ngOnInit () {
this.user = this.authService.getUser()
this.loadVideoChannels()
this.channelsSearchChanged
.pipe(debounceTime(500))
.subscribe(() => {
this.loadVideoChannels()
})
}
get isInSmallView () {
return this.screenService.isInSmallView()
}
resetSearch () {
this.channelsSearch = ''
this.onChannelsSearchChanged()
}
onChannelsSearchChanged () {
this.channelsSearchChanged.next()
}
async deleteVideoChannel (videoChannel: VideoChannel) {
const res = await this.confirmService.confirmWithInput(
$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})!`,
$localize`Please type the display name of the video channel (${videoChannel.displayName}) to confirm`,
videoChannel.displayName,
$localize`Delete`
)
if (res === false) return
this.videoChannelService.removeVideoChannel(videoChannel)
.subscribe(
() => {
this.loadVideoChannels()
this.notifier.success($localize`Video channel ${videoChannel.displayName} deleted.`)
},
error => this.notifier.error(error.message)
)
}
private loadVideoChannels () {
this.authService.userInformationLoaded
.pipe(mergeMap(() => this.videoChannelService.listAccountVideoChannels(this.user.account, null, true, this.channelsSearch)))
.subscribe(res => {
this.videoChannels = res.data
this.totalItems = res.total
// chart data
this.videoChannelsChartData = this.videoChannels.map(v => ({
labels: v.viewsPerDay.map(day => day.date.toLocaleDateString()),
datasets: [
{
label: $localize`Views for the day`,
data: v.viewsPerDay.map(day => day.views),
fill: false,
borderColor: '#c6c6c6'
}
]
} as ChartData))
// chart options that depend on chart data:
// we don't want to skew values and have min at 0, so we define what the floor/ceiling is here
this.videoChannelsMinimumDailyViews = min(
// compute local minimum daily views for each channel, by their "views" attribute
this.videoChannels.map(v => minBy(
v.viewsPerDay,
day => day.views
).views) // the object returned is a ViewPerDate, so we still need to get the views attribute
)
this.videoChannelsMaximumDailyViews = max(
// compute local maximum daily views for each channel, by their "views" attribute
this.videoChannels.map(v => maxBy(
v.viewsPerDay,
day => day.views
).views) // the object returned is a ViewPerDate, so we still need to get the views attribute
)
this.buildChartOptions()
})
}
private buildChartOptions () {
this.chartOptions = {
legend: {
display: false
},
scales: {
xAxes: [{
display: false
}],
yAxes: [{
display: false,
ticks: {
min: Math.max(0, this.videoChannelsMinimumDailyViews - (3 * this.videoChannelsMaximumDailyViews / 100)),
max: Math.max(1, this.videoChannelsMaximumDailyViews)
}
}]
},
layout: {
padding: {
left: 15,
right: 15,
top: 10,
bottom: 0
}
},
elements: {
point: {
radius: 0
}
},
tooltips: {
mode: 'index',
intersect: false,
custom: function (tooltip: any) {
if (!tooltip) return
// disable displaying the color box
tooltip.displayColors = false
},
callbacks: {
label: (tooltip: any, data: any) => `${tooltip.value} views`
}
},
hover: {
mode: 'index',
intersect: false
}
}
}
}
|
