-import { Component, Input, OnInit } from '@angular/core'
+import { Component, Input, OnInit, OnChanges } from '@angular/core'
import { Router } from '@angular/router'
import { AuthService, Notifier } from '@app/core'
import { UserSubscriptionService } from '@app/shared/user-subscription/user-subscription.service'
import { VideoService } from '@app/shared/video/video.service'
import { FeedFormat } from '../../../../../shared/models/feeds'
import { Account } from '@app/shared/account/account.model'
-import { forkJoin } from 'rxjs'
+import { concat, forkJoin, merge } from 'rxjs'
@Component({
selector: 'my-subscribe-button',
templateUrl: './subscribe-button.component.html',
styleUrls: [ './subscribe-button.component.scss' ]
})
-export class SubscribeButtonComponent implements OnInit {
+export class SubscribeButtonComponent implements OnInit, OnChanges {
/**
* SubscribeButtonComponent can be used with a single VideoChannel passed as [VideoChannel],
* or with an account and a full list of that account's videoChannels. The latter is intended
@Input() displayFollowers = false
@Input() size: 'small' | 'normal' = 'normal'
- subscribed: Map<string, boolean>
+ subscribed = new Map<string, boolean>()
constructor (
private authService: AuthService,
private userSubscriptionService: UserSubscriptionService,
private i18n: I18n,
private videoService: VideoService
- ) {
- this.subscribed = new Map<string, boolean>()
- }
+ ) { }
get handle () {
return this.account
? this.account.nameWithHost
- : this.videoChannels[0].name + '@' + this.videoChannels[0].host
+ : this.videoChannel.name + '@' + this.videoChannel.host
}
get channelHandle () {
- return this.getChannelHandler(this.videoChannels[0])
+ return this.getChannelHandler(this.videoChannel)
}
get uri () {
return rssFeed.url
}
- ngOnInit () {
- if (this.isUserLoggedIn()) {
+ get videoChannel () {
+ return this.videoChannels[0]
+ }
- forkJoin(this.videoChannels.map(videoChannel => {
- const handle = this.getChannelHandler(videoChannel)
- this.subscribed.set(handle, false)
- this.userSubscriptionService.doesSubscriptionExist(handle)
- .subscribe(
- res => this.subscribed.set(handle, res[handle]),
+ get isAllChannelsSubscribed () {
+ return this.subscribeStatus(true).length === this.videoChannels.length
+ }
- err => this.notifier.error(err.message)
- )
- }))
- }
+ get isAtLeastOneChannelSubscribed () {
+ return this.subscribeStatus(true).length > 0
+ }
+
+ get isBigButton () {
+ return this.isUserLoggedIn() && this.videoChannels.length > 1 && this.isAtLeastOneChannelSubscribed
+ }
+
+ ngOnInit () {
+ this.loadSubscribedStatus()
+ }
+
+ ngOnChanges () {
+ this.ngOnInit()
}
subscribe () {
}
localSubscribe () {
- const observableBatch: any = []
+ const subscribedStatus = this.subscribeStatus(false)
- this.videoChannels
- .filter(videoChannel => this.subscribeStatus(false).includes(this.getChannelHandler(videoChannel)))
- .forEach(videoChannel => observableBatch.push(
- this.userSubscriptionService.addSubscription(this.getChannelHandler(videoChannel))
- ))
+ const observableBatch = this.videoChannels
+ .map(videoChannel => this.getChannelHandler(videoChannel))
+ .filter(handle => subscribedStatus.includes(handle))
+ .map(handle => this.userSubscriptionService.addSubscription(handle))
forkJoin(observableBatch)
.subscribe(
() => {
- [...this.subscribed.keys()].forEach((key) => {
- this.subscribed.set(key, true)
- })
-
this.notifier.success(
this.account
? this.i18n(
- 'Subscribed to all current channels of {{nameWithHost}}. ' +
- 'You will be notified of all their new videos.',
+ 'Subscribed to all current channels of {{nameWithHost}}. You will be notified of all their new videos.',
{ nameWithHost: this.account.displayName }
)
: this.i18n(
- 'Subscribed to {{nameWithHost}}. ' +
- 'You will be notified of all their new videos.',
+ 'Subscribed to {{nameWithHost}}. You will be notified of all their new videos.',
{ nameWithHost: this.videoChannels[0].displayName }
)
,
}
localUnsubscribe () {
- const observableBatch: any = []
+ const subscribeStatus = this.subscribeStatus(true)
- this.videoChannels
- .filter(videoChannel => this.subscribeStatus(true).includes(this.getChannelHandler(videoChannel)))
- .forEach(videoChannel => observableBatch.push(
- this.userSubscriptionService.deleteSubscription(this.getChannelHandler(videoChannel))
- ))
+ const observableBatch = this.videoChannels
+ .map(videoChannel => this.getChannelHandler(videoChannel))
+ .filter(handle => subscribeStatus.includes(handle))
+ .map(handle => this.userSubscriptionService.deleteSubscription(handle))
- forkJoin(observableBatch)
- .subscribe(
- () => {
- [...this.subscribed.keys()].forEach((key) => {
- this.subscribed.set(key, false)
- })
-
- this.notifier.success(
- this.account
- ? this.i18n('Unsubscribed from all channels of {{nameWithHost}}', { nameWithHost: this.account.nameWithHost })
- : this.i18n('Unsubscribed from {{nameWithHost}}', { nameWithHost: this.videoChannels[0].nameWithHost })
- ,
- this.i18n('Unsubscribed')
- )
- },
+ concat(...observableBatch)
+ .subscribe({
+ complete: () => {
+ this.notifier.success(
+ this.account
+ ? this.i18n('Unsubscribed from all channels of {{nameWithHost}}', { nameWithHost: this.account.nameWithHost })
+ : this.i18n('Unsubscribed from {{nameWithHost}}', { nameWithHost: this.videoChannels[ 0 ].nameWithHost })
+ ,
+ this.i18n('Unsubscribed')
+ )
+ },
- err => this.notifier.error(err.message)
- )
+ error: err => this.notifier.error(err.message)
+ })
}
isUserLoggedIn () {
return this.authService.isLoggedIn()
}
- isAllChannelsSubscribed () {
- return !Array.from(this.subscribed.values()).includes(false)
- }
-
gotoLogin () {
this.router.navigate([ '/login' ])
}
+ subscribeStatus (subscribed: boolean) {
+ const accumulator: string[] = []
+ for (const [key, value] of this.subscribed.entries()) {
+ if (value === subscribed) accumulator.push(key)
+ }
+
+ return accumulator
+ }
+
private getChannelHandler (videoChannel: VideoChannel) {
return videoChannel.name + '@' + videoChannel.host
}
- private subscribeStatus (subscribed: boolean) {
- const accumulator = []
- for (const [key, value] of this.subscribed.entries()) {
- if (value === subscribed) accumulator.push(key)
+ private loadSubscribedStatus () {
+ if (!this.isUserLoggedIn()) return
+
+ for (const videoChannel of this.videoChannels) {
+ const handle = this.getChannelHandler(videoChannel)
+ this.subscribed.set(handle, false)
+
+ merge(
+ this.userSubscriptionService.listenToSubscriptionCacheChange(handle),
+ this.userSubscriptionService.doesSubscriptionExist(handle)
+ ).subscribe(
+ res => this.subscribed.set(handle, res),
+
+ err => this.notifier.error(err.message)
+ )
}
- return accumulator
}
}