D-Net

import { Component, OnInit } from '@angular/core';

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

import { AuthenticationService } from '../../services/authentication.service';

import { UsagestatsService } from '../../services/usagestats.service';

import { ReportResponse } from '../../domain/usageStatsClasses';

import { FormBuilder, FormGroup } from '@angular/forms';

@Component({

  selector: 'metrics-usagestats-report-results',

  templateUrl: 'metrics-usagestats-report-results.component.html',

  styleUrls: ['metrics-usagestats-report-results.component.css']

})

export class MetricsUsagestatsReportResultsComponent implements OnInit {

  loadingMessage: string;

  errorMessage: string;

  infoMessage: string;

  repoResponse: ReportResponse;

  coveredPeriod: string;

  params: URLSearchParams;

  page: number;

  pageSize: number;

  totalPages: number;

  selectedItemIndex: number;

  pageSizeSelect: FormGroup;

  chosenReport: string;

  constructor(private route: ActivatedRoute,

              private authService: AuthenticationService,

              private usageService: UsagestatsService,

              private fb: FormBuilder) {}

  ngOnInit() {

    this.page = 0;

    this.pageSize = 10;

    this.readParams();

    this.pageSizeSelect = this.fb.group({selectPageSize: ['']});

  }

  readParams() {

    this.params = new URLSearchParams();

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

      this.params.append('Report', qparams['report']);

      this.params.append('Release', '4');

      this.params.append('RequestorID', this.authService.getUserEmail());

      this.params.append('BeginDate', qparams['beginDate']);

      this.params.append('EndDate', qparams['endDate']);

      this.params.append('RepositoryIdentifier', qparams['repoId']);

      this.params.append('ItemIdentifier', qparams['itemIdentifier']);

      this.params.append('ItemDataType', qparams['itemIdentifier']);

      this.params.append('Granularity', qparams['granularity']);

    });

    this.chosenReport = this.params.get('Report');

    this.getReportResponse();

  }

  getReportResponse() {

    this.errorMessage = '';

    this.loadingMessage = 'Loading results...';

    this.infoMessage = '';

    this.selectedItemIndex = null;

    this.repoResponse = null;

    this.usageService.getReportResponse(this.page.toString(), this.pageSize.toString(), this.params).subscribe(

      responseWrapper => {

        this.repoResponse = responseWrapper.ReportResponse;

      },

      error => {

        this.errorMessage = 'Failed to load the report results!';

        this.loadingMessage = '';

      },

      () => {

        this.errorMessage = '';

        this.loadingMessage = '';

        this.pageSizeSelect.get('selectPageSize').setValue(this.pageSize);

        this.pageSizeSelect.get('selectPageSize').updateValueAndValidity();

        this.totalPages = Math.ceil(

          +this.repoResponse.ReportDefinition.Filters

                  .ReportAttribute.filter(x => x['Name'] === 'ReportItemCount')[0].Value / this.pageSize);

        if ( this.totalPages === 0 ) {

          this.infoMessage = 'No results were found';

        }

        if (this.repoResponse.ReportDefinition && this.repoResponse.ReportDefinition.Filters &&

            this.repoResponse.ReportDefinition.Filters.ReportAttribute) {

          if (this.repoResponse.Report && this.repoResponse.ReportDefinition.Filters.UsageDateRange &&

            this.repoResponse.ReportDefinition.Filters.UsageDateRange.Begin &&

            this.repoResponse.ReportDefinition.Filters.UsageDateRange.End) {

            this.coveredPeriod = this.repoResponse.ReportDefinition.Filters.UsageDateRange.Begin + ' to ';

            this.coveredPeriod = this.coveredPeriod + this.repoResponse.ReportDefinition.Filters.UsageDateRange.End;

          } else {

            const defaultDatePeriod = this.repoResponse.Exception.filter(x => x['Message'] === 'Unspecified Date Arguments');

            this.coveredPeriod = defaultDatePeriod[0].Data.split(':')[1].trim() + ' to ';

            this.coveredPeriod = this.coveredPeriod + defaultDatePeriod[1].Data.split(':')[1].trim() + ' (default)';

          }

        } else {

          this.repoResponse = null;

        }

      }

    );

  }

  getPageSize() {

    this.pageSize = +(this.pageSizeSelect.get('selectPageSize').value);

    this.page = 0;

    this.getReportResponse();

  }

  goToNextPage() {

    if ( (this.page + 1) < this.totalPages) {

      this.page++;

      console.log(`Get me page ${this.page}!`);

      this.getReportResponse();

    }

  }

  goToPreviousPage() {

    if (this.page > 0) {

      this.page--;

      console.log(`Get me page ${this.page}!`);

      this.getReportResponse();

    }

  }

  displayItemPerformance(i: number) {

    if (this.selectedItemIndex === i) {

      this.selectedItemIndex = null;

    } else {

      this.selectedItemIndex = i;

    }

  }

  transformItem(itemIdentifiers: any[]) {

    let field: string;

    if (this.chosenReport === 'RR1') {

      field = 'URL';

    } else {

      field = 'URLs';

    }

    const i = itemIdentifiers.findIndex(x => x['Type'] === field);

    if ( i > -1 ) {

      const urls = itemIdentifiers[i]['Value'];

      return urls.split(';');

    }

    return '';

  }

}