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import {Component, OnDestroy, OnInit, ViewChild} from '@angular/core';
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import {ActivatedRoute, Router} from '@angular/router';
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import {Title} from '@angular/platform-browser';
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import {EnvProperties} from '../openaireLibrary/utils/properties/env-properties';
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import {ErrorCodes} from '../openaireLibrary/utils/properties/errorCodes';
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import {ErrorMessagesComponent} from '../openaireLibrary/utils/errorMessages.component';
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import {Stakeholder, Topic} from "../utils/entities/stakeholder";
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import {SideBarService} from "../library/sharedComponents/sidebar/sideBar.service";
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import {StakeholderService} from "../services/stakeholder.service";
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import {HelperFunctions} from "../openaireLibrary/utils/HelperFunctions.class";
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import {AlertModal} from "../openaireLibrary/utils/modal/alert";
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import {Subscriber} from "rxjs";
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declare var UIkit;
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@Component({
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  selector: 'home',
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  templateUrl: './home.component.html',
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})
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export class HomeComponent implements OnInit, OnDestroy {
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  public subscriptions: any[] = [];
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  public loading: boolean = true;
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  public errorCodes: ErrorCodes;
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  public stakeholder: Stakeholder;
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  public analysisOpen: boolean = true;
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  private errorMessages: ErrorMessagesComponent;
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  public copyTopic: Topic;
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  public valid = true;
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  public element: any;
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  public index: number;
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  properties: EnvProperties;
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  @ViewChild('deleteTopicModal') deleteTopicModal: AlertModal;
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  constructor(
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    private route: ActivatedRoute,
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    private router: Router,
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    private title: Title,
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    private sideBarService: SideBarService,
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    private stakeholderService: StakeholderService) {
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    this.errorCodes = new ErrorCodes();
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    this.errorMessages = new ErrorMessagesComponent();
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  }
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  public ngOnInit() {
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    this.route.data
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      .subscribe((data: { envSpecific: EnvProperties }) => {
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        this.properties = data.envSpecific;
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        this.subscriptions.push(this.stakeholderService.getStakeholderAsObservable().subscribe(stakeholder => {
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          if (stakeholder) {
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            this.stakeholder = HelperFunctions.copy(stakeholder);
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            this.copyTopic = null;
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            this.title.setTitle(stakeholder.index_name);
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          }
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        }));
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      });
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  }
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  public ngOnDestroy() {
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    this.subscriptions.forEach( value => {
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      if(value instanceof Subscriber) {
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        value.unsubscribe();
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      }
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    });
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  }
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  public show(element) {
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    UIkit.drop(element).show();
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  }
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  public hide(element) {
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    UIkit.drop(element).hide();
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  }
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  get open(): boolean {
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    return this.sideBarService.open;
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  }
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  public toggleOpen(event = null) {
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    if (!event) {
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      this.sideBarService.setOpen(!this.open);
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    } else if (event && event['value'] === true) {
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      this.sideBarService.setOpen(false);
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    }
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  }
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  public saveTopicOpen(element, index = -1) {
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    if(element.className.indexOf('uk-open') !== -1) {
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      this.hide(element);
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    } else {
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      if (index === -1) {
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        this.copyTopic = new Topic(null, null, null, true, true);
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      } else {
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        this.copyTopic = HelperFunctions.copy(this.stakeholder.topics[index]);
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      }
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      this.show(element);
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      this.valid = true;
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    }
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  }
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  public saveTopic(element, index = -1) {
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    if(this.copyTopic.name && this.copyTopic.name !== '') {
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      if(!this.copyTopic.alias) {
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        this.copyTopic.alias = this.copyTopic.name.toLowerCase().trim();
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      }
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      if(index === -1) {
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        this.stakeholder.topics.push(this.copyTopic);
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        this.save('Topic has been successfully created', element);
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      } else {
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        this.stakeholder.topics[index] = HelperFunctions.copy(this.copyTopic);
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        this.save('Topic has been successfully saved', element);
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      }
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    } else {
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      this.valid = false;
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    }
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  }
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  public deleteTopicOpen(element, index: number) {
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    this.element = element;
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    this.index = index;
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    this.deleteTopicModal.alertHeader = true;
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    this.deleteTopicModal.alertMessage = true;
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    this.deleteTopicModal.cancelButton = true;
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    this.deleteTopicModal.cancelButtonText = 'No';
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    this.deleteTopicModal.okButtonText = 'Yes';
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    this.deleteTopicModal.message = 'This topic will permanently be deleted. Are you sure you want to proceed?';
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    this.deleteTopicModal.open();
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  }
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  private save(message: string, element) {
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    this.stakeholderService.saveStakeholder(this.properties.monitorServiceAPIURL, this.stakeholder).subscribe(stakeholder => {
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      this.stakeholderService.setStakeholder(stakeholder);
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      UIkit.notification(message, {
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        status: 'success',
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        timeout: 3000,
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        pos: 'top-left'
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      });
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      this.hide(element);
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    }, error => {
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      UIkit.notification(error.error.message, {
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        status: 'danger',
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        timeout: 3000,
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        pos: 'top-left'
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      });
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      this.hide(element);
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    });
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  }
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  deleteTopic() {
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    let path = [
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      this.stakeholder.alias,
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      this.stakeholder.topics[this.index].alias
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    ];
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    this.stakeholderService.deleteElement(this.properties.monitorServiceAPIURL, path).subscribe(stakeholder => {
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      this.stakeholderService.setStakeholder(stakeholder);
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      UIkit.notification('Topic has been successfully deleted', {
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        status: 'success',
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        timeout: 3000,
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        pos: 'top-left'
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      });
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      this.hide(this.element);
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    }, error => {
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      UIkit.notification(error.error.message, {
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        status: 'danger',
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        timeout: 3000,
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        pos: 'top-left'
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      });
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      this.hide(this.element);
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    });
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  }
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}
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