D-Net

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

import {HttpClient, HttpErrorResponse, HttpHeaders} from "@angular/common/http";

import {throwError} from 'rxjs';

import {DataProviderInfo} from '../../utils/entities/dataProviderInfo';

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

import {map} from "rxjs/operators";

@Injectable()

export class DataProviderService {

    constructor(private http: HttpClient ) {}

    dataProviderInfo: DataProviderInfo;

    getDataproviderInfo (id: string, properties:EnvProperties):any {

        let url = properties.searchAPIURLLAst + 'datasources/' +id +"?format=json";

        let key = url;

        return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url)

                    //.map(res => <any> res.json())

                    .pipe(map(res => res['result']['metadata']['oaf:entity']))

                    .pipe(map(res => [res['oaf:datasource'],

                                 res['oaf:datasource']['datasourcetype'],

                                 res['oaf:datasource']['openairecompatibility'],

                                 res['oaf:datasource']['collectedfrom'],

                                 res['oaf:datasource']['accessinfopackage'],

                                 res['oaf:datasource']['rels']['rel'],

                                 res['oaf:datasource']['journal'] //6

                     ]))

                     .pipe(map(res => this.parseDataProviderInfo(res)));

    }

    getDataproviderAggregationStatus(original_id: string, properties:EnvProperties):any {

        //let headers = new Headers({'Content-Type': 'application/json', 'accept': 'application/json'});

        //let options = new RequestOptions({headers: headers});

      const options = {

        headers: new HttpHeaders({

          'Content-Type': 'application/json',

          'accept': 'application/json'})

      };

      let page: number = 0;

        let size: number = 1;

        return this.http.post(properties.datasourcesAPI+page+"/"+size+"?requestSortBy=id&order=ASCENDING", JSON.stringify({ "id": original_id }), options)

            //.map(res => <any> res.json())

            .pipe(map(res => res['datasourceInfo']))

            .pipe(map(res => this.parseDataproviderAggregationStatus(res)));

    }

    private handleError (error: HttpErrorResponse) {

    // in a real world app, we may send the error to some remote logging infrastructure

    // instead of just logging it to the console

        console.log(error);

        return throwError(error  || 'Server error');

    }

    parseDataproviderAggregationStatus(data: any): any {

        var aggregationStatus: {"fundedContent": string, "indexRecords": string, "fulltexts": string, "lastUpdateDate": string} = null;

        if(data != null && data[0] != null) {

          aggregationStatus = {"fundedContent": "-1", "indexRecords": "-1", "fulltexts": "-1", "lastUpdateDate": null};

          aggregationStatus.fundedContent = data[0].fundedContent;

          aggregationStatus.indexRecords = data[0].indexRecords;

          aggregationStatus.fulltexts = data[0].fulltexts;

          if(data[0].hasOwnProperty("aggregationHistory")) {

            let length = Array.isArray(data[0]["aggregationHistory"]) ? data[0]["aggregationHistory"].length : 1;

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

              var aggregationHistory = Array.isArray(data[0]["aggregationHistory"]) ? data[0]["aggregationHistory"][i] : data[0]["aggregationHistory"];

              if(aggregationHistory && aggregationHistory.indexedVersion == true) {

                aggregationStatus.lastUpdateDate = aggregationHistory.date;

                break;

              }

            }

          }

        }

        return aggregationStatus;

    }

    parseDataProviderInfo (data: any):any {

        this.dataProviderInfo = new DataProviderInfo();

        if(data[0] != null) {

            this.dataProviderInfo.title = {"name": (data[0].englishname)?data[0].englishname: data[0].officialname, "url": data[0].websiteurl};

            this.dataProviderInfo.officialName =  data[0].officialname;

            var pattern = /.{12}::.+/;

            var originalIds =(data[0].originalId)?data[0].originalId:"";

            let length = Array.isArray(originalIds) ? originalIds.length : 1;

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

              var originalId = Array.isArray(originalIds) ? originalIds[i] : originalIds;

              var matched = originalId.match(pattern);

              if(matched && originalId && originalId != ""){

                if(originalId.indexOf("opendoar____::") != -1){

                  this.dataProviderInfo.openDoarId = originalId.split("opendoar____::")[1];

                }else if (originalId.indexOf("re3data_____::") != -1){

                  this.dataProviderInfo.r3DataId = originalId.split("re3data_____::")[1];

                }

                this.dataProviderInfo.originalId = originalId;

              }

            }

            this.dataProviderInfo.subjects = [];

            length = Array.isArray(data[0]['subjects']) ? data[0]['subjects'].length : 1;

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

              let subject = Array.isArray(data[0]['subjects']) ? data[0]['subjects'][i] :data[0]['subjects'];

              if(subject && subject.content) {

                this.dataProviderInfo.subjects.push(subject.content);

              }

            }

            if(!Array.isArray(data[0]['description'])) {

              this.dataProviderInfo.description = (data[0]['description']) ? String(data[0]['description']) : "";

            } else {

              this.dataProviderInfo.description = (data[0]['description'][0]) ? String(data[0]['description'][0]) : "";

            }

        }

        if(data[1] != null) {

            this.dataProviderInfo.type = data[1].classname;

            if(data[1].classid == "entityregistry" || data[1].classid == "entityregistry::projects" || data[1].classid == "entityregistry::repositories") {

                this.dataProviderInfo.registry = true;

            } else {

                this.dataProviderInfo.registry = false;

            }

            if(this.dataProviderInfo.tabs == undefined) {

                this.dataProviderInfo.tabs = new Array<{"name": string, "content": string}>();

            }

            this.dataProviderInfo.tabs = [];

            if(this.dataProviderInfo.tabsInTypes.publicationsTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Publications", "content": "publicationsTab"});

                this.dataProviderInfo.tabs2.push("Publications");

            }

            if(this.dataProviderInfo.tabsInTypes.datasetsTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Research Data", "content": "datasetsTab"});

                this.dataProviderInfo.tabs2.push("Research Data");

            }

            if(this.dataProviderInfo.tabsInTypes.projectsTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Projects", "content": "projectsTab"});

                this.dataProviderInfo.tabs2.push("Projects");

            }

            if(this.dataProviderInfo.tabsInTypes.datasourcesTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Content Providers", "content": "datasourcesTab"});

                this.dataProviderInfo.tabs2.push("Content Providers");

            }

            if(this.dataProviderInfo.tabsInTypes.relatedDatasourcesTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Related Content Providers", "content": "relatedDatasourcesTab"});

                this.dataProviderInfo.tabs2.push("Related Content Providers");

            }

            if(this.dataProviderInfo.tabsInTypes.statisticsTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Statistics", "content": "statisticsTab"});

                this.dataProviderInfo.tabs2.push("Statistics");

            }

            if(this.dataProviderInfo.tabsInTypes.softwareTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Software", "content": "softwareTab"});

                this.dataProviderInfo.tabs2.push("Software");

            }

            if(this.dataProviderInfo.tabsInTypes.orpsTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Other Research Products", "content": "orpsTab"});

                this.dataProviderInfo.tabs2.push("Other Research Products");

            }

            if(this.dataProviderInfo.tabsInTypes.metricsTab.has(data[1].classid)) {

                this.dataProviderInfo.tabs.push({"name": "Metrics", "content": "metricsTab"});

                this.dataProviderInfo.tabs2.push("Metrics");

            }

            if(this.dataProviderInfo.resultTypes.collectedFrom.has(data[1].classid)) {

                this.dataProviderInfo.resultsBy = "collectedFrom";

            } else if(this.dataProviderInfo.resultTypes.hostedBy.has(data[1].classid)) {

                this.dataProviderInfo.resultsBy = "hostedBy";

            }

        }

        if(!this.dataProviderInfo.registry) {

            if(data[2] != null) {

                this.dataProviderInfo.compatibility = {"info": "", "name": "", "id": ""};

                this.dataProviderInfo.compatibility.info = data[2].classname;

                //this.dataProviderInfo.compatibility = data[2].classname;

            }

            if(data[2] != null && data[2].classid == "hostedBy" && data[3] != null) {

              this.dataProviderInfo.compatibility.name = data[3].name;

              this.dataProviderInfo.compatibility.id = data[3].id;

              if(this.dataProviderInfo.compatibility.name) {

                this.dataProviderInfo.compatibility.info = "Collected from ";

              }

            }

            if(data[4] != null) {

                let oaiPmhURL:string;

                oaiPmhURL = Array.isArray(data[4]) ? data[4][0]:data[4];

                if(oaiPmhURL != '' && oaiPmhURL != 'unknown') {

                    this.dataProviderInfo.oaiPmhURL = oaiPmhURL;

                }

            }

        }

        if(data[5] != null) {

            let mydata;

            let counter = 0;

            let countriesSet: Set<string>;

            let length = data[5].length!=undefined ? data[5].length : 1;

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

                mydata = data[5].length!=undefined ? data[5][i] : data[5];

                if(mydata.hasOwnProperty("to")) {

                    if(mydata['to'].class == "provides" && mydata['to'].type == "organization") {

                        //if(this.dataProviderInfo.organizations == undefined) {

                        if(this.dataProviderInfo.organizations.length == 0) {

                            //this.dataProviderInfo.organizations = new Array<{"name": string, "url": string}>();

                            this.dataProviderInfo.countries = new Array<string>();

                            countriesSet = new Set<string>();

                        }

                        this.dataProviderInfo.organizations[counter] = {"acronym": "", "name": "", "id": ""};

                        //this.dataProviderInfo.organizations[counter]['name'] = (mydata.legalname ? mydata.legalname : "[no title available");

                        this.dataProviderInfo.organizations[counter]['id'] = mydata['to'].content;

                        if(mydata.hasOwnProperty("legalshortname")) {

                          this.dataProviderInfo.organizations[counter]['acronym'] = mydata.legalshortname;

                        }

                        if(mydata.hasOwnProperty("legalname")) {

                          this.dataProviderInfo.organizations[counter]['name'] = mydata.legalname;

                        }

                        if(!this.dataProviderInfo.organizations[counter]['acronym'] && !this.dataProviderInfo.organizations[counter]['name']){

                          // acronym is displayed with link and name only in tooltip

                          this.dataProviderInfo.organizations[counter]['acronym'] = "[no title available]";

                        }

                        if(mydata.country != '' && mydata['country'].classname != '') {

                            if(!countriesSet.has(mydata['country'].classname)) {

                                this.dataProviderInfo.countries.push(mydata['country'].classname);

                                countriesSet.add(mydata['country'].classname);

                            }

                        }

                        counter++;

                    }

                }

            }

        }

        if(data[6] != null) {

            this.dataProviderInfo.journal = {"journal": "", "issn": "", "lissn": "", "eissn": ""};

            this.dataProviderInfo.journal['journal'] = data[6].content;

            this.dataProviderInfo.journal['issn'] = data[6]['issn'];

            this.dataProviderInfo.journal['lissn'] = data[6]['lissn'];

            this.dataProviderInfo.journal['eissn'] = data[6]['eissn'];

        }else{

            this.dataProviderInfo.journal = null;

            this.dataProviderInfo.journal = {"journal": "", "issn": "", "lissn": "", "eissn": ""};

        }

        return this.dataProviderInfo;

    }

}