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

import { Injectable } from '@angular/core';
import { Http,  Headers, RequestOptions } from '@angular/http';
import { CommunityInfo } from './communityInfo';
import{EnvProperties} from '../../utils/properties/env-properties';

@Injectable()
export class CommunityService {

    constructor(private http:Http) {
      }

    getCommunity(properties:EnvProperties, url: string) {
        return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)) : url)
                        .map(res => <any> res.json()).map(res => this.parseCommunity(res));
    }

    updateCommunity(url: string, community:any) {
        let headers = new Headers({'Content-Type': 'application/json'});
        let options = new RequestOptions({headers: headers});

        let body = JSON.stringify(community);


        return this.http.post(url, body, options)
                          /*.map(res => res.json())*/
    }

    iscommunityManager(properties:EnvProperties, url: string, manager:string){
      return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)) : url)
                      .map(res => <any> res.json()).map(res => this.parseCommunity(res)).map(community => community.managers.indexOf(manager)!=-1);
    }

    iscommunityRI(properties:EnvProperties, url: string){
      return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)) : url)
                      .map(res => <any> res.json()).map(res => this.parseCommunity(res)).map(community => (community && community.type && community.type !="community"));
    }

    isSubscribedToCommunity(pid:string, email:string, url:string){
      return this.http.get(url+"/community/"+pid+"/subscribers")
                      .map(res =>  ((<any>res =="")?{}:<any> res.json()))

                      .map(res => {
                        if(res.subscribers && res.subscribers != null){

                          for(var i =0; i< res.subscribers.length; i++ ){
                            if(res.subscribers[i]!=null && res.subscribers[i].email == email){
                              return true;
                            }
                          }
                        }
                        return false;

                      });
    }

    private parseCommunity(data:any): CommunityInfo {

        let resData = Array.isArray(data) ? data[0] : data;

        let community: CommunityInfo = new CommunityInfo();
        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;
        community['zenodoCommunity'] = resData.zenodoCommunity;
        community['status'] = "all";
        if(resData.hasOwnProperty('status')){
          community['status'] = resData.status;
          let status = ["all","hidden","manager"];
          if(status.indexOf(community['status']) ==-1){
            community['status'] = "hidden";
          }
        }
        if (resData.type != null) {
              community['type'] = resData.type;
        }

        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;
    }

}