D-Net

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

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

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

import {Observable}                 from 'rxjs/Rx';

import {CommunityInfo}              from '../community/communityInfo';

@Injectable()

export class CommunitiesService {

    constructor(private http:Http) {

    }

    getCommunities(url: string) {

        return this.http.get(url).map(res => <any> res.json()).map(res => this.parseCommunities(res));

    }

    parseCommunities(data: any): CommunityInfo[] {

        let communities: 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 result: CommunityInfo = new CommunityInfo();

            if(Array.isArray(resData)) {

                result['title'] = resData[0].name;

                result['shortTitle'] = resData[0].shortName;

                result['communityId'] = resData[0].id;

                result['queryId'] = resData[0].queryId;

                result['logoUrl'] = resData[0].logoUrl;

                result['description'] = resData[0].description;

                result['date'] = resData[0].creationDate;

                if(resData[0].managers != null) {

                    if(result['managers'] == undefined) {

                      result['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;

                      result.managers[i] = manager;

                    }

                }

                if(resData[0].subjects != null) {

                    if(result['subjects'] == undefined) {

                      result['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;

                      result.subjects[i] = subject;

                    }

                }

            } else {

                result['title'] = resData.name;

                result['shortTitle'] = resData.shortName;

                result['communityId'] = resData.id;

                result['queryId'] = resData.queryId;

                result['logoUrl'] = resData.logoUrl;

                result['description'] = resData.description;

                result['date'] = resData.creationDate;

                if(resData.managers != null) {

                    if(result['managers'] == undefined) {

                      result['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;

                      result.managers[i] = manager;

                    }

                }

                if(resData.subjects != null) {

                    if(result['subjects'] == undefined) {

                      result['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;

                      result.subjects[i] = subject;

                    }

                }

            }

            communities.push(result);

        }

        return communities;

    }

}