D-Net

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

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

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

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

import {Dates, StringUtils} from '../../utils/string-utils.class';

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

import {RouterHelper} from '../../utils/routerHelper.class';

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

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

import {HelperService} from "../../utils/helper/helper.service";

  templateUrl: 'advancedSearchPage.component.html'

export class AdvancedSearchPageComponent {

  @Input() results = [];

  @Input() type;

  @Input() entityType;

  @Input() fieldIds: string[];

  @Input() csvPath: string;

  @Input() simpleSearchLink: string = "";

  @Input() oldTotalResults: number = 0;

  public parameterValues: string[] = [];

  public pagingLimit: number = 0;

  public resultsPerPage: number = 0;

  isPiwikEnabled = false;

  public pageContents = null;

  public divContents = null;

  public routerHelper: RouterHelper = new RouterHelper();

  public errorCodes: ErrorCodes = new ErrorCodes();

              private location: Location,

              private _meta: Meta,

              private _title: Title,

              private _piwikService: PiwikService,

              private router: Router,

              private seoService: SEOService,

              private helper: HelperService) {

  }

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

        this.properties = data.envSpecific;

        this.getPageContents();

        this.isPiwikEnabled = data.envSpecific.enablePiwikTrack;

          this.updateUrl(data.envSpecific.baseLink + location.pathname);

          this.url = data.envSpecific.baseLink + location.pathname

      });

      this.pageContents = contents;

    })

  }

  private getDivContents() {

    })

  }

    }

  updateDescription(description: string) {

    this._meta.updateTag({content: description}, "name='description'");

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

  updateTitle(title: string) {

    if(this.hasPrefix) {

      _prefix = "OpenAIRE | ";

    }

  updateUrl(url: string) {

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

      var fieldparam = (this.fieldIdsMap[fieldId]) ? this.fieldIdsMap[fieldId].param : "";

      if (!this.fieldIdsMap[fieldId]) {

      }

      if (params[fieldparam] != undefined && params[operatorId] != undefined) {

        var values: string [] = StringUtils.URIDecode(params[fieldparam]).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/, -1);

        var operators: string [] = (StringUtils.URIDecode(params[operatorId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/, -1);

        if (values.length == operators.length) {

          for (var j = 0; j < values.length; j++) {

            if (this.fieldIdsMap[fieldId].type == "date") {

              var value: string = StringUtils.unquote(values[j]);

              var validDates: boolean = true;

              var dateField: AdvancedField = new AdvancedField(fieldId, fieldparam, this.fieldIdsMap[fieldId].name, this.fieldIdsMap[fieldId].type, value, operators[j]);

              if (value.indexOf("range") != -1) {

                dateField.dateValue.type = "range";

                if (value.length < 26) {

                  validDates = false;

                } else {

                  if (!Dates.isValidDate(value.substring(5, 15)) || !Dates.isValidDate(value.substring(16, 26))) {

                    validDates = false;

                  } else {

                    dateField.dateValue.from = Dates.getDateFromString(value.substring(5, 15));

                    dateField.dateValue.to = Dates.getDateFromString(value.substring(16, 26));

                  }

                }

                //  "rangeYYYY-MM-DD:YYYY-MM-DD"

              } else {

                dateField.dateValue.setDatesByType(value);

              }

              if (validDates) {

                this.selectedFields.push(dateField);

              }

              this.selectedFields.push(new AdvancedField(fieldId, fieldparam, this.fieldIdsMap[fieldId].name, this.fieldIdsMap[fieldId].type, StringUtils.unquote(values[j]), operators[j]));

            }

          }

        }

      }

    }

    if (this.selectedFields.length == 0) {

      this.selectedFields.push(new AdvancedField(this.fieldIds[0], fieldparam, this.fieldIdsMap[this.fieldIds[0]].name, this.fieldIdsMap[this.fieldIds[0]].type, "", "and"));

    }

   * Create Page URL parameters based on the selected fields of the advanced form

   * @param includePage

   */

    var params = "";

    this.parameterNames.splice(0, this.parameterNames.length);

    this.parameterValues.splice(0, this.parameterValues.length);

    var fields: { [key: string]: { values: string[], operators: string[] } } = {};

    for (var i = 0; i < this.selectedFields.length; i++) {

      if (this.fieldIdsMap[this.selectedFields[i].id] != undefined && (this.selectedFields[i].value.length > 0 || this.selectedFields[i].type == "date")) {

        if (!fields[this.selectedFields[i].id]) {

          fields[this.selectedFields[i].id] = {values: [], operators: []};

          fields[this.selectedFields[i].id].values = [];

          fields[this.selectedFields[i].id].operators = [];

          if (this.selectedFields[i].dateValue.type == "range") {

            fields[this.selectedFields[i].id].values.push(StringUtils.quote(StringUtils.URIEncode("range" + Dates.getDateToString(this.selectedFields[i].dateValue.from) + ":" + Dates.getDateToString(this.selectedFields[i].dateValue.to))));

          } else {

            fields[this.selectedFields[i].id].values.push(StringUtils.quote(StringUtils.URIEncode(this.selectedFields[i].dateValue.type)));

        }

        fields[this.selectedFields[i].id].operators.push(this.selectedFields[i].operatorId);

      }

    }

      if (fields[this.fieldIds[i]]) {

          "&" + this.fieldIdsMap[this.fieldIds[i]].operator + "=" + fields[this.fieldIds[i]].operators.join()

        this.parameterValues.push(fields[this.fieldIds[i]].values.join());

      }

    }

      params += "&page=" + this.searchUtils.page;

      params += ((params.length == 0) ? '' : '&') + 'size=' + this.searchUtils.size;

      params += ((params.length == 0) ? '' : '&') + 'sortBy=' + this.searchUtils.sortBy;

      this.parameterValues.push(this.searchUtils.sortBy);

    }

   * Create Search API query based on the selected fields of the advanced form

   */

    var params = "";

      if (this.fieldIdsMap[this.selectedFields[i].id] != undefined && (this.selectedFields[i].value != "" || this.selectedFields[i].type == "date")) {

          if (this.selectedFields[i].dateValue.type != "any") {

            params += (countParams == 0 ? "" : this.selectedFields[i].operatorId) + " " + this.selectedFields[i].id + this.fieldIdsMap[this.selectedFields[i].id].equalityOperator + '"' + StringUtils.URIEncode(Dates.getDateToString(this.selectedFields[i].dateValue.from)) + " "

              + StringUtils.URIEncode(Dates.getDateToString(this.selectedFields[i].dateValue.to)) + '"' + " ";

          if (this.selectedFields[i].id == "q") {

            // if()

            params += (countParams == 0 ? "" : this.selectedFields[i].operatorId) + " " + '"' + StringUtils.URIEncode(this.selectedFields[i].value) + '"' + " ";

            params += " " + this.selectedFields[i].id + " <> " + '"' + StringUtils.URIEncode(this.selectedFields[i].value) + '"' + " ";

          } else {

            params += (countParams == 0 ? "" : this.selectedFields[i].operatorId + " ") + this.selectedFields[i].id + this.fieldIdsMap[this.selectedFields[i].id].equalityOperator + '"' + encodeURIComponent(this.selectedFields[i].value) + '"' + " ";

          }

      }

    }

      params += (countParams == 0 ? "" : " and ") + this.customFilter.queryFieldName + " exact " + StringUtils.quote((this.customFilter.valueId));

  }

  goTo(page: number = 1) {

    this.searchUtils.page = page;

      //console.log("In PreviousRouteRecorder : "+this.router.url );

      localStorage.setItem('previousRoute', this.router.url);

    }

    if (this.isPiwikEnabled && (typeof document !== 'undefined')) {

      this.piwiksub = this._piwikService.trackView(this.properties, this.pageTitle, this.piwikSiteId).subscribe();

    }

    /* End Piwik Code */

  queryChanged($event) {

    this.searchUtils.page = +$event.value;

    this.goTo(this.searchUtils.page);

  }

    this.goTo(1);

    this.goTo(1);

  * Update the url with proper parameters. This is used as base url in Paging Component

  */

  getOperatorParameter(parameter: string): string {

    for (let id of this.fieldIds) {

      if (this.fieldIdsMap[id]["param"] == parameter) {

        return this.fieldIdsMap[id]["operator"];

      }

    }

  }

  // for loading

  public openLoading() {

    this.loading.open();

  }

  public closeLoading() {

    this.loading.close();

  }