D-Net

import {Injectable} from '@angular/core';

import {URLSearchParams} from '@angular/http';

import {Http, Response} from '@angular/http';

import { Headers, RequestOptions } from '@angular/http';

import {Observable}     from 'rxjs/Observable';

import {OpenaireProperties} from '../utils/properties/openaireProperties';

import 'rxjs/add/observable/of';

import 'rxjs/add/operator/do';

import 'rxjs/add/operator/share';

import { CacheService  } from '../shared/cache.service';

@Injectable()

export class SearchOrcidService {

  constructor( private http: Http, public _cache: CacheService) {}

  searchOrcidAuthor (term: string, authorIds: string[],

      authorGivenNames: string[], authorFamilyNames: string[]):any {

    console.info("In searchOrcidAuthor: "+term);

    var headers = new Headers();

    headers.append('Accept', 'application/orcid+json');

    let url = OpenaireProperties.getSearchOrcidURL()+term+'/orcid-bio';

    let key = url;

    if (this._cache.has(key)) {

      return Observable.of(this._cache.get(key)).map(res => this.parseOrcidAuthor(res, authorIds, authorGivenNames, authorFamilyNames));

    }

    return this.http.get(url, { headers: headers })

                .map(res => res.json()['orcid-profile'])

                .map(res => [res['orcid-bio']['personal-details']['given-names'],

                             res['orcid-bio']['personal-details']['family-name'],

                             res['orcid-identifier']])

                .do(res => {

                               this._cache.set(key, res);

                             })

                .map(res => this.parseOrcidAuthor(res, authorIds, authorGivenNames, authorFamilyNames));

    }

  searchOrcidAuthors (term: string, authorIds: string[],

      authorGivenNames: string[], authorFamilyNames: string[]):any {

    console.info("In search Orcid authors for keyword: "+term);

    var headers = new Headers();

    headers.append('Accept', 'application/orcid+json');

    let url = OpenaireProperties.getSearchOrcidURL()+'search/orcid-bio?defType=edismax&q='+term+'&qf=given-name^1.0+family-name^2.0+other-names^1.0+credit-name^1.0&start=0&rows=10';

    let key = url;

    if (this._cache.has(key)) {

      return Observable.of(this._cache.get(key)).map(res => this.parseOrcidAuthors(res, authorIds, authorGivenNames, authorFamilyNames));

    }

    return this.http.get(url, { headers: headers })

      .map(res => res.json()['orcid-search-results']['orcid-search-result'])

      .do(res => {

        this._cache.set(key, res);

      })

      .map(res => this.parseOrcidAuthors(res, authorIds, authorGivenNames, authorFamilyNames));

    }

    searchOrcidPublications (id: string):any {

      console.info("In search Orcid publications for author: "+id);

      var headers = new Headers();

      headers.append('Accept', 'application/orcid+json');

      let url = OpenaireProperties.getSearchOrcidURL()+id+'/orcid-works';

      let key = url;

      if (this._cache.has(key)) {

        return Observable.of(this._cache.get(key));

      }

      return this.http.get(url, { headers: headers })

        .map(res => res.json()['orcid-profile']['orcid-activities']['orcid-works'])

        .do(res => {

          this._cache.set(key, res);

        });

        //.map(res => res['orcid-work']);

      }

      parseOrcidAuthor (data: any, authorIds: string[],

          authorGivenNames: string[], authorFamilyNames: string[]):any {

              if(data[2] != null) {

                  authorIds.push(data[2].path);

                  if(data[0] != null) {

                    authorGivenNames.push(data[0].value);

                  } else {

                    authorGivenNames.push("");

                  }

                  if(data[1] != null) {

                    authorFamilyNames.push(data[1].value);

                  } else {

                    authorFamilyNames.push("");

                  }

                  return true;

              }

              return false;

      }

      parseOrcidAuthors (data: any, authorIds: string[],

          authorGivenNames: string[], authorFamilyNames: string[]):any {

              let ret: boolean = false;

              let mydata: any;

              let length: number;

              if(data != null) {

                  length = data.length!=undefined ? data.length : 1;

                  for(let i=0; i<length; i++) {

                      mydata = data.length!=undefined  ? data[i] : data;

                      if(mydata.hasOwnProperty("orcid-profile")) {

                           if(mydata['orcid-profile'].hasOwnProperty("orcid-identifier")) {

                               authorIds.push(mydata['orcid-profile']['orcid-identifier'].path);

                               if(mydata['orcid-profile'].hasOwnProperty("orcid-bio")) {

                                   if(mydata['orcid-profile']['orcid-bio'].hasOwnProperty("personal-details")) {

                                       if(mydata['orcid-profile']['orcid-bio']['personal-details'].hasOwnProperty("given-names")) {

                                           authorGivenNames.push(mydata['orcid-profile']['orcid-bio']['personal-details']['given-names'].value);

                                       } else {

                                           authorGivenNames.push("");

                                       }

                                       if(mydata['orcid-profile']['orcid-bio']['personal-details'].hasOwnProperty("family-name")) {

                                           authorFamilyNames.push(mydata['orcid-profile']['orcid-bio']['personal-details']['family-name'].value);

                                       } else {

                                           authorFamilyNames.push("");

                                       }

                                   }

                               }

                               ret = true;

                           }

                      }

                  }

              }

              return ret;

      }

}