D-Net

import {Component, Inject, Input, Optional} from '@angular/core';

import {Location}                 from '@angular/common';

import {ActivatedRoute}           from '@angular/router';

import {Title, Meta}              from '@angular/platform-browser';

import {RESPONSE} from "@nguniversal/express-engine/tokens";

import {EnvProperties} from "../utils/properties/env-properties";

import {SEOService} from "../sharedComponents/SEO/SEO.service";

@Component({

    selector: 'error',

    template: `

    <div id="tm-main" class=" uk-section  uk-margin-small-top tm-middle">

      <div uk-grid uk-grid>

       <div class="tm-main uk-width-1-1@s uk-width-1-1@m  uk-width-1-1@l uk-row-first ">

        <div class="uk-container">

            <h2>

                Bad karma: we can't find that page!

            </h2>

            <h5 *ngIf="page_type" class="uk-margin-remove">

              Not valid or missing {{page_type_name}} id. 

              <a *ngIf="page_type" routerLinkActive="router-link-active" [routerLink]="searchPage">Search </a>another {{page_type_name}}?

            </h5>

            <br>

            <p>

                You asked for {{page}}, but despite our computers looking very hard, we could not find it. What happened ?

            </p>

            <ul>

                <li>the link you clicked to arrive here has a typo in it</li>

                <li>or somehow we removed that page, or gave it another name</li>

                <li>or, quite unlikely for sure, maybe you typed it yourself and there was a little mistake ?</li>

            </ul>

        </div>

      </div>

     </div>

  </div>

    `

})

export class ErrorPageComponent {

    public page: string;

    public page_type: string;

    public searchPage: string;

    public page_type_name: string;

    constructor (private _location: Location, private _meta: Meta,

                 private _title: Title, private route: ActivatedRoute,

                 @Optional() @Inject(RESPONSE) private response: any,

                 private seoService: SEOService) {

        var title = "OpenAIRE | Error page";

        this._meta.updateTag({content:title},"property='og:title'");

        this._title.setTitle(title);

        this.page = _location.path(true);

        //this.page = _router.url;

        //this.page = location.href;

    }

    ngOnInit() {

      if(this.response) {

        this.response.statusCode = 404;

        this.response.statusMessage = '404 - Page not found';

      }

      this.route.data

        .subscribe((data: { envSpecific: EnvProperties }) => {

          let properties = data.envSpecific;

          this.seoService.createLinkForCanonicalURL(properties.baseLink + "/error");

          this.route.queryParams.subscribe(data => {

            this.page = data['page'];

            if (!this.page) {

              this.page = this._location.path(true);

            }

            this.page_type = data['page_type'];

            if(this.page_type) {

              if (this.page_type == "publication") {

                this.searchPage = properties.searchLinkToPublications;

                this.page_type_name = "publication";

              } else if (this.page_type == "software") {

                this.searchPage = properties.searchLinkToSoftware;

                this.page_type_name = "software";

              } else if (this.page_type == "dataset") {

                this.searchPage = properties.searchLinkToDatasets;

                this.page_type_name = "dataset";

              } else if (this.page_type == "orp") {

                this.searchPage = properties.searchLinkToOrps;

                this.page_type_name = "research product";

              } else if (this.page_type == "organization") {

                this.searchPage = properties.searchLinkToOrganizations;

                this.page_type_name = "organization";

              } else if (this.page_type == "project") {

                this.searchPage = properties.searchLinkToProjects;

                this.page_type_name = "project";

              } else if (this.page_type == "dataprovider") {

                this.searchPage = properties.searchLinkToDataProviders;

                this.page_type_name = "content provider";

              }

            }

          });

      });

    }

}