org.eclipse.mdm.nucleus/org.eclipse.mdm.application/src/main/webapp/src/app/details/components/mdm-detail-view/mdm-detail-view.component.ts

/********************************************************************************
 * Copyright (c) 2015-2018 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 ********************************************************************************/
import { Component, OnInit, OnDestroy } from '@angular/core';

import { TranslateService } from '@ngx-translate/core';

import { Node } from '@navigator/node';
import { NodeService } from '@navigator/node.service';
import { BasketService } from '@basket/basket.service';
import { NavigatorService } from '@navigator/navigator.service';
import { MDMNotificationService } from '@core/mdm-notification.service';

@Component({
  selector: 'mdm-detail-view',
  templateUrl: 'mdm-detail-view.component.html'
})
export class MDMDetailViewComponent implements OnInit, OnDestroy {

  selectedNode: Node;
  unit: Node;
  quantity: Node;
  subscription: any;
  shoppable = false;

  public status = 'file-explorer.file-explorer-nav-card.status-no-node-selected';

  constructor(private basketService: BasketService,
              private navigatorService: NavigatorService,
              private notificationService: MDMNotificationService,
              private translateService: TranslateService,
              private nodeService: NodeService) {}

  ngOnInit() {
    this.onSelectedNodeChange(this.navigatorService.getSelectedNode());
    this.subscription = this.navigatorService.selectedNodeChanged.subscribe(
          node => this.onSelectedNodeChange(node),
          error => this.notificationService.notifyError(this.translateService.instant('details.mdm-detail-view.cannot-update-node'), error)
        );
  }

  ngOnDestroy() {
    this.subscription.unsubscribe();
  }

  onSelectedNodeChange(node: Node) {
    if (node != undefined) {
      this.selectedNode = node;
      if (node.type.toLowerCase() === 'channel') {
        this.loadQuantity(node);
        this.loadUnit(node);
      } else {
        this.quantity = undefined;
        this.unit = undefined;
      }
      this.shoppable = this.isShoppable();
    }
  }

  private loadUnit(node: Node) {
    if (node.relations != undefined) {
      node.relations
          .filter(rel => rel.entityType.toLowerCase() === 'unit')
          .filter(rel => rel.ids.length > 0)
          .forEach(rel => this.nodeService.getNodeByRelation(node.sourceName, rel.entityType, rel.ids[0])
                                          .subscribe(res => this.unit = res[0])
      );
    }
  }

  private loadQuantity(node: Node) {
    if (node.relations != undefined) {
      node.relations
          .filter(rel => rel.entityType.toLowerCase() === 'quantity')
          .filter(rel => rel.ids.length > 0)
          .forEach(rel => this.nodeService.getNodeByRelation(node.sourceName, rel.entityType, rel.ids[0])
                                          .subscribe(res => this.quantity = res[0])
      );
    }
  }

  isShoppable() {
    if (this.selectedNode
      && this.selectedNode.name != undefined
      && this.selectedNode.type !== 'Environment'
      && this.selectedNode.type !== 'Unit'
      && this.selectedNode.type !== 'Channel') {
      return false;
    }
    return true;
  }

  isReleasable() {
    if (this.selectedNode && this.selectedNode.sourceType === 'TestStep') { return false; }
    return true;
  }
}