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import { forkJoin } from 'rxjs'
import { map, switchMap } from 'rxjs/operators'
import { Injectable } from '@angular/core'
import { Resolve } from '@angular/router'
import { CustomMarkupService } from '@app/shared/shared-custom-markup'
import { AboutHTML, InstanceService } from '@app/shared/shared-instance'
import { About } from '@shared/models/server'
export type ResolverData = {
about: About
languages: string[]
categories: string[]
aboutHTML: AboutHTML
descriptionElement: HTMLDivElement
}
@Injectable()
export class AboutInstanceResolver implements Resolve<any> {
constructor (
private instanceService: InstanceService,
private customMarkupService: CustomMarkupService
) {}
resolve () {
return this.instanceService.getAbout()
.pipe(
switchMap(about => {
return forkJoin([
Promise.resolve(about),
this.instanceService.buildTranslatedLanguages(about),
this.instanceService.buildTranslatedCategories(about),
this.instanceService.buildHtml(about),
this.customMarkupService.buildElement(about.instance.description)
])
}),
map(([ about, languages, categories, aboutHTML, { rootElement } ]) => {
return { about, languages, categories, aboutHTML, descriptionElement: rootElement } as ResolverData
})
)
}
}
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