client/src/app/+about/about-instance/about-instance.resolver.ts

   1 import { forkJoin } from 'rxjs'
   2 import { map, switchMap } from 'rxjs/operators'
   3 import { Injectable } from '@angular/core'
   4 import { ActivatedRouteSnapshot, Resolve } from '@angular/router'
   5 import { ServerService } from '@app/core'
   6 import { InstanceService } from '@app/shared/shared-instance'
   7 import { About, ServerConfig } from '@shared/models/server'
   8
   9 export type ResolverData = { about: About, languages: string[], categories: string[], serverConfig: ServerConfig }
  10
  11 @Injectable()
  12 export class AboutInstanceResolver implements Resolve<any> {
  13
  14   constructor (
  15     private instanceService: InstanceService,
  16     private serverService: ServerService
  17   ) {}
  18
  19   resolve (route: ActivatedRouteSnapshot) {
  20     return this.instanceService.getAbout()
  21                .pipe(
  22                  switchMap(about => {
  23                    return forkJoin([
  24                      this.instanceService.buildTranslatedLanguages(about),
  25                      this.instanceService.buildTranslatedCategories(about),
  26                      this.serverService.getConfig()
  27                    ]).pipe(map(([ languages, categories, serverConfig ]) => ({ about, languages, categories, serverConfig })))
  28                  })
  29                )
  30   }
  31 }