D-Net

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

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

import {Observable}     from 'rxjs/Observable';

import {ProjectInfo} from '../../utils/entities/projectInfo';

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

import 'rxjs/add/observable/of';

import 'rxjs/add/operator/do';

import 'rxjs/add/operator/share';

import { ParsingFunctions } from '../landing-utils/parsingFunctions.class';

@Injectable()

export class ProjectService {

    constructor(private http: Http ) {

      this.parsingFunctions = new ParsingFunctions();

    }

    public parsingFunctions: ParsingFunctions;

    projectInfo: ProjectInfo;

    getProjectInfo (id: string):any {

        console.info("getProjectInfo in service");

        let url = OpenaireProperties. getSearchAPIURLLast() + 'projects/'+id+"?format=json";

        let key = url;

        return this.http.get((OpenaireProperties.isCacheEnabled())? (OpenaireProperties.getCacheUrl()+encodeURIComponent(url)): url)

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

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

                    .map(res => [res,

                                 res['fundingtree'],

                                 res['rels']['rel']])

                    .map(res => this.parseProjectInfo(res));

    }

    /*

    get project strtDate and endDate

    */

    getProjectDates (id: string):any {

        let url = OpenaireProperties. getSearchAPIURLLast()+'projects/'+id+"?format=json";

        let key = url+'_projectDates';

        return this.http.get((OpenaireProperties.isCacheEnabled())? (OpenaireProperties.getCacheUrl()+encodeURIComponent(url)): url)

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

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

                    .map(res => [res,

                              res['fundingtree'],

                              res['rels']['rel']])

                    .map(res => this.parseProjectDates(id,res))

    }

    getHTMLInfo(id: string): any {

        let url = OpenaireProperties. getSearchAPIURLLast() + 'projects/'+id+"?format=json";

        let key = url;

        return this.http.get((OpenaireProperties.isCacheEnabled())? (OpenaireProperties.getCacheUrl()+encodeURIComponent(url)): url)

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

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

                    .map(res => this.parseHTMLInfo(res));

    }

    private handleError (error: Response) {

    // 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 Observable.throw(error  || 'Server error');

    }

    parseHTMLInfo (data: any):any {

        let htmlInfo: {"title": string, "acronym": string, "callIdentifier": string};

        if(data != null) {

            htmlInfo = {"title": data.title, "acronym": data.acronym, "callIdentifier": data.callidentifier};

        }

        return htmlInfo;

    }

    parseProjectInfo (data: any):any {

        this.projectInfo = new ProjectInfo();

        if(data[0] != null) {

            this.projectInfo.acronym = data[0].acronym;

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

                this.projectInfo.title = data[0].title[0];

            } else {

                this.projectInfo.title = data[0].title;

            }

            this.projectInfo.callIdentifier = data[0].callidentifier;

            this.projectInfo.contractNum = data[0].code;

            this.projectInfo.startDate = data[0].startdate;

            this.projectInfo.endDate = data[0].enddate;

            this.projectInfo.openAccessMandate = data[0].oamandatepublications;

            this.projectInfo.specialClause39 = data[0].ecsc39;

        }

        if(data[1] != null) {

          /*

            if(data[1]['funder'] != null) {

                this.projectInfo.funder = data[1]['funder'].shortname;

            }

            let funding;

            this.projectInfo.funding = "";

            if(data[1]['funding_level_2'] != null) {

                funding = data[1]['funding_level_2'].id;

            } else if(data[1]['funding_level_1'] != null) {

                funding = data[1]['funding_level_1'].id;

            } else if(data[1]['funding_level_0'] != null) {

                funding = data[1]['funding_level_0'].id;

            }

            if(funding != undefined) {

                funding = funding.split("::");

                for(let i=1; i<funding.length; i++) {

                    if(this.projectInfo.funding != "") {

                        this.projectInfo.funding += " | ";

                    }

                    this.projectInfo.funding += funding[i];

                }

            }

            */

            let funding: {"funderName": string, "funderShortname": string, "stream": string};

            funding = this.parsingFunctions.parseFundingTrees(data[1]);

            // if(funding.funderName) {

            //   this.publicationInfo.fundedByProjects[counter]['funderName'] = funding.funderName;

            // }

            if(funding.funderShortname) {

              this.projectInfo.funder = funding.funderShortname;

            }

            if(funding.stream) {

              this.projectInfo['funding'] = funding.stream;

            }

        }

        if(data[2] != null) {

            this.projectInfo.organizations = [];//new Map<string, string>();

            let acronym: string = "";

            let name: string = "";

            let id: string = "";

            if(!Array.isArray(data[2])) {

                if(data[2].hasOwnProperty("legalshortname")) {

                  acronym = data[2].legalshortname;

                }

                if(data[2].hasOwnProperty("legalname")) {

                  name = data[2].legalname;

                }

                if(!acronym && !name){

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

                  acronym = "[no title available]";

                }

                if(data[2].hasOwnProperty("to")) {

                    id = data[2]['to'].content;

                }

                this.projectInfo.organizations.push({"acronym": acronym, "name": name, "id": id});

            } else {

                for(let i=0; i<data[2].length; i++) {

                    if(data[2][i].hasOwnProperty("to") && data[2][i]['to'].class == "hasParticipant") {

                        if(data[2][i].hasOwnProperty("legalshortname")) {

                          acronym = data[2][i].legalshortname;

                        }

                        if(data[2][i].hasOwnProperty("legalname")) {

                          name = data[2][i].legalname;

                        }

                        if(!acronym && !name){

                          acronym = "[no title available]";

                        }

                        if(data[2][i].hasOwnProperty("to")) {

                            id = data[2][i]['to'].content;

                        }

                        this.projectInfo.organizations.push({"acronym": acronym, "name": name, "id": id});

                    }

                }

            }

        }

        if(this.projectInfo.funder == "EC") {

            this.projectInfo.url = OpenaireProperties.getCordisURL()+this.projectInfo.contractNum;

            this.projectInfo.urlInfo = "Detailed project information (CORDIS)";

        }

        return this.projectInfo;

    }

    parseProjectDates (id: string, data: any):any {

        var project = { id: id, startDate: "", endDate: ""};

        if(data[0] != null) {

            project.startDate = data[0].startdate;

            project.endDate = data[0].enddate;

        }

        return project;

    }

}