swedishchamber-granprize-admin/src/app/awardee-editor/awardee-editor.component.ts

import { Component, OnInit } from '@angular/core';
import { Title } from "@angular/platform-browser";
import { ActivatedRoute, Router } from "@angular/router";

import { Awardee } from "../shared/awardee";
import { AwardeeService } from "../shared/awardee.service";

@Component({
  selector: 'app-awardee-editor',
  templateUrl: './awardee-editor.component.html',
  styleUrls: ['./awardee-editor.component.css']
})
export class AwardeeEditorComponent implements OnInit {

  public years: Array<number> = [];
  public awardee: Awardee;

  constructor(
      private titleService: Title,
      private route: ActivatedRoute,
      private router: Router,
      private awardeeService: AwardeeService,
  ) {}

  ngOnInit() {
    this.titleService.setTitle('Edit awardee');
    this.route.data.subscribe((data: {
      years: Array<number>,
      awardee: Awardee,
    }) => {
      this.years = data.years ? data.years : [];
      this.awardee = data.awardee ? data.awardee : new Awardee();
    });
  }

  public saveAwardee() {
    if (this.canSave) {
      this.awardeeService.persist(this.awardee).subscribe(() => this.router.navigate(['/awardees']));
    }
  }

  get canSave(): boolean {
    return [
      this.awardee.name,
      this.awardee.text,
      this.awardee.imageLabel].every(textField => textField.length > 0)
    && this.awardee.year !== null;
  }
}