openaire-library/connect/community/community.service.ts

import { Injectable } from '@angular/core';
import { Http, Response, Headers, RequestOptions } from '@angular/http';
import { Observable } from 'rxjs/Rx';

import { ResultInfo } from '../results/resultInfo';
import { CommunityInfo } from './communityInfo';

@Injectable()
export class CommunityService {

    constructor(private http:Http) {
      }

    getCommunity(url: string) {
        return this.http.get(url).map(res => <any> res.json()).map(res => this.parseCommunity(res));
    }

    parseCommunity(data:any): CommunityInfo {

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

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

          let resData = Array.isArray(data) ? data[i] : data;

          var community: CommunityInfo = new CommunityInfo();

          if(Array.isArray(resData)) {

              community['title'] = resData[0].name;
              community['shortTitle'] = resData[0].shortName;
              community['communityId'] = resData[0].id;
              community['queryId'] = resData[0].queryId;
              community['logoUrl'] = resData[0].logoUrl;
              community['description'] = resData[0].description;
              community['date'] = resData[0].creationDate;

              if(resData[0].managers != null) {
                  if(community['managers'] == undefined) {
                    community['managers'] = new Array<string>();
                  }

                  let managers = resData[0].managers;
                  let length = Array.isArray(managers) ? managers.length : 1;

                  for(let i=0; i<length; i++) {
                    let manager = Array.isArray(managers) ? managers[i] : managers;
                    community.managers[i] = manager;
                  }
              }

              if(resData[0].subjects != null) {
                  if(community['subjects'] == undefined) {
                    community['subjects'] = new Array<string>();
                  }

                  let subjects = resData[0].subjects;
                  let length = Array.isArray(subjects) ? subjects.length : 1;

                  for(let i=0; i<length; i++) {
                    let subject = Array.isArray(subjects) ? subjects[i] : subjects;
                    community.subjects[i] = subject;
                  }
              }

          } else if(!Array.isArray(resData)) {

              community['title'] = resData.name;
              community['shortTitle'] = resData.shortName;
              community['communityId'] = resData.id;
              community['queryId'] = resData.queryId;
              community['logoUrl'] = resData.logoUrl;
              community['description'] = resData.description;
              community['date'] = resData.creationDate;

              if(resData.managers != null) {
                  if(community['managers'] == undefined) {
                    community['managers'] = new Array<string>();
                  }

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

                  for(let i=0; i<length; i++) {
                    let manager = Array.isArray(managers) ? managers[i] : managers;
                    community.managers[i] = manager;
                  }
              }

              if(resData.subjects != null) {
                  if(community['subjects'] == undefined) {
                    community['subjects'] = new Array<string>();
                  }

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

                  for(let i=0; i<length; i++) {
                    let subject = Array.isArray(subjects) ? subjects[i] : subjects;
                    community.subjects[i] = subject;
                  }
              }
          }
      }
      return community;
    }

}