D-Net

import {Component, Input, Output, EventEmitter} from '@angular/core';

import {Metrics} from '../../../utils/entities/metrics';

import {MetricsService} from '../../../services/metrics.service';

import {ErrorCodes} from '../../../utils/properties/errorCodes';

import {Subscription} from 'rxjs';

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

import {animate, state, style, transition, trigger} from "@angular/animations";

@Component({

  selector: 'metrics',

  styleUrls: ['metrics.component.css'],

  template: `

    <div *ngIf="metrics && (pageViews >0 || metrics.totalViews > 0|| metrics.totalDownloads >0)" class="metrics"

         click-outside-or-esc (clickOutside)="close($event)"

         id="metrics" targetId="metrics">

      <div class="m-badge clickable" (click)="toggle($event)">

        <img src="assets/common-assets/metrics-icon.svg">

        <div class="number">{{total | number}}</div>

      </div>

      <div class="widget" [@widget]="state.toString()">

        <div class="body">

          <div [@body]="state.toString()">

            <div *ngIf="entityType == 'projects'" class="uk-margin-bottom">

              <i class="uk-text-center">Project metrics

                are derived from aggregating individual research results metrics.

              </i>

            </div>

            <div class="uk-child-width-1-3@m uk-grid-small uk-grid-divider uk-grid-match" uk-grid>

              <div class="uk-text-center uk-first-column">

                <div class="number">{{metrics.totalDownloads | number}}</div>

                <div>Downloads</div>

              </div>

              <div class="uk-text-center">

                <div class="number">{{pageViews | number}}</div>

                <div>OpenAIRE views</div>

              </div>

              <div class="uk-text-center">

                <div class="number">{{metrics.totalViews | number}}</div>

                <div>Total views</div>

              </div>

            </div>

            <div *ngIf="(metrics.totalViews > 0 && viewsFrameUrl) || (metrics.totalDownloads > 0 && downloadsFrameUrl)"

                 [@charts]="state.toString()"

                 class="charts uk-visible-toggle" tabindex="-1" uk-slider>

              <ul class="uk-slider-items uk-child-width-1-1 uk-grid">

                <li>

                  <i-frame *ngIf="metrics.totalViews > 0 && viewsFrameUrl"

                           [width]="325" [height]="200"

                           [url]=viewsFrameUrl>

                  </i-frame>

                </li>

                <li>

                  <i-frame *ngIf="metrics.totalDownloads > 0 && downloadsFrameUrl"

                           [width]="325" [height]="200"

                           [url]=downloadsFrameUrl>

                  </i-frame>

                </li>

              </ul>

              <div class="uk-text-right">

                <a href="#" uk-slidenav-previous uk-slider-item="previous"></a>

                <a href="#" class="space" uk-slidenav-next uk-slider-item="next"></a>

              </div>

            </div>

          </div>

        </div>

        <div class="footer uk-flex uk-flex-middle" [@footer]="state.toString()">

          <span>Powered by</span>

          <img width="120" src="assets/common-assets/openaire-metrics.png">

        </div>

      </div>

    </div>

  `,

  animations: [

    trigger('widget', [

      state('-1', style({

        width: '150px',

        opacity: 0,

        height: '60px',

      })),

      state('0', style({

        width: '150px',

        opacity: 0,

        height: '60px',

        "margin-top": '-25px'

      })),

      state('1', style({

        width: '150px',

        opacity: 1,

        height: '60px',

      })),

      state('2', style({

        width: '350px',

        height: 'auto',

      })),

      state('3', style({

        width: '350px',

        height: 'auto',

      })),

      state('4', style({

        width: '350px',

        height: 'auto',

      })),

      transition('0 => 1', [

        animate('300ms ease-out')

      ]),

      transition('1 => 2', [

        animate('400ms cubic-bezier(.18,.89,.56,1)')

      ])

    ]),

    trigger('body', [

      state('2', style({

        opacity: 1,

        height: 'auto',

      })),

      state('3', style({

        opacity: 1,

        height: 'auto'

      })),

      state('4', style({

        opacity: 1,

        height: 'auto'

      })),

      transition('* => 2', [

        animate('400ms cubic-bezier(.18,.89,.56,1)')

      ])

    ]),

    trigger('charts', [

      state('3', style({

        opacity: 1

      })),

      state('4', style({

        opacity: 1

      })),

      transition('* => 3', [

        animate('800ms ease-out')

      ])

    ]),

    trigger('footer', [

      state('4', style({

        transform: 'translateY(0)'

      })),

      transition('3 => 4', [

        animate('800ms ease-out')

      ])

    ])

  ]

})

export class MetricsComponent {

  @Output() metricsResults = new EventEmitter();

  @Input() id: string;

  @Input() entityType: string;

  @Input() entity: string;

  //@Input() name: string = "";

  @Input() pageViews: number = 0;

  @Input() properties: EnvProperties;

  @Input() shortView: boolean = false;

  @Input() open = false;

  @Input() viewsFrameUrl: string;

  @Input() downloadsFrameUrl: string;

  public metrics: Metrics;

  public errorCodes: ErrorCodes;

  private sub: Subscription;

  private timeouts: any[] = [];

  public status: number;

  public state: number = -1;

  constructor(private _metricsService: MetricsService) {

  }

  ngOnInit() {

    this.errorCodes = new ErrorCodes();

    this.status = this.errorCodes.LOADING;

    this.getMetrics();

  }

  ngOnDestroy() {

    this.sub.unsubscribe();

  }

  public get total(): number {

    return +this.pageViews + +this.metrics.totalViews + +this.metrics.totalDownloads;

  }

  private getMetrics() {

    this.sub = this._metricsService.getMetrics(this.id, this.entityType, this.properties).subscribe(

      data => {

        this.metrics = data;

        this.status = this.errorCodes.DONE;

        this.metricsResults.emit({

          totalViews: this.metrics.totalViews,

          totalDownloads: this.metrics.totalDownloads,

          pageViews: this.metrics.pageViews

        });

      },

      err => {

        console.log(err);

        if (err.status == '404') {

          this.status = this.errorCodes.NOT_FOUND;

        } else if (err.status == '500') {

          this.status = this.errorCodes.ERROR;

        } else {

          this.status = this.errorCodes.NOT_AVAILABLE;

        }

        this.metricsResults.emit({

          totalViews: 0,

          totalDownloads: 0

        });

      }

    );

  }

  public close(event) {

    if(event.value && this.state !== -1) {

      this.timeouts.forEach(timeout => {

        clearTimeout(timeout);

      });

      this.state = -1;

      this.timeouts = [];

    }

  }

  public toggle(event) {

    event.stopPropagation();

    if(this.state !== -1) {

      this.timeouts.forEach(timeout => {

        clearTimeout(timeout);

      });

      this.state = -1;

      this.timeouts = [];

    } else {

      this.state++;

      this.timeouts.push(setTimeout(() => {

        this.state++;

        this.timeouts.push(setTimeout(() => {

          this.state++;

          this.timeouts.push(setTimeout(() => {

            this.state++;

            this.timeouts.push(setTimeout(() => {

              this.state++;

            }, 400));

          }, 800));

        }, 300));

      }, 100));

    }

  }

  public getKeys(map) {

    return Array.from(map.keys());

  }

}