client/src/app/core/routing/meta.service.ts

   1 import { Injectable } from '@angular/core'
   2 import { Meta, Title } from '@angular/platform-browser'
   3 import { HTMLServerConfig } from '@shared/models/server'
   4 import { ServerService } from '../server'
   5
   6 export interface MetaSettings {
   7   title?: string
   8 }
   9
  10 @Injectable()
  11 export class MetaService {
  12   private config: HTMLServerConfig
  13
  14   constructor (
  15     private titleService: Title,
  16     private meta: Meta,
  17     private server: ServerService
  18   ) {
  19     this.config = this.server.getTmpConfig()
  20     this.server.getConfig()
  21       .subscribe(config => this.config = config)
  22   }
  23
  24   setTitle (subTitle?: string) {
  25     let title = ''
  26     if (subTitle) title += `${subTitle} - `
  27
  28     title += this.config.instance.name
  29
  30     this.titleService.setTitle(title)
  31   }
  32
  33   setTag (name: string, value: string) {
  34     this.meta.addTag({ name, content: value })
  35   }
  36
  37   update (meta: MetaSettings) {
  38     this.setTitle(meta.title)
  39   }
  40 }