openaire-library/utils/entitiesAutoComplete/entitySearch.service.ts

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import {Injectable} from '@angular/core';
import {HttpClient, HttpErrorResponse} from "@angular/common/http";
import {throwError} from 'rxjs';
import{EnvProperties} from '../properties/env-properties';
import {catchError, map} from "rxjs/operators";
@Injectable()
export class EntitiesSearchService {
public ready:boolean = false;
constructor(private http: HttpClient ) {}
/*searchProjectsByFunder(keyword:string, funderId:string, properties:EnvProperties ):any {
this.ready = false;
let url = properties.searchResourcesAPIURL;
//console.log("Funder is " + funderId);
url = url+"?query=(oaftype exact project and deletedbyinference=false) ";
if(keyword!= null && keyword != '' ) {
url += 'and ((projectcode_nt exact "'+keyword+'" )or('+keyword+')) ' ;
url+=((funderId && funderId.length > 0 )?("&fq=funder exact " + '"'+funderId+ '"'):"");
}
url += "&page=0&size=10";
url += "&format=json";
//console.log("URL " + url);
// let url = properties.searchAPIURLLAst+"projects?"+((keyword && keyword.length > 0)?("q=" +keyword):"")+((funderId && funderId.length > 0 )?"&fq=funder exact " + '"'+funderId+ '"':"")+"&size=10&page=0&format=json";
return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url).toPromise()
.then(request =>
{
//request = request.json().results;
request = request['results'];
this.ready = true;
return this.parse(request,"oaf:project","project");
}).catch((ex) => {
console.error('An error occured', ex);
return [{id:'-2',label:'Error'}];
});
}*/
// not used
/**
* @deprecated
*/
searchByDepositType(keyword:string, DepositType:string, properties:EnvProperties ):any {
this.ready = false;
let link = properties.searchResourcesAPIURL;
let url = link+"?query=";
if(keyword!= null && keyword != '' ) {
/*url += "((oaftype exact organization and deletedbyinference=false and "+
"(reldatasourcecompatibilityid=driver or reldatasourcecompatibilityid=driver-openaire2.0 or reldatasourcecompatibilityid=openaire2.0 or reldatasourcecompatibilityid=openaire3.0 or reldatasourcecompatibilityid=openaire2.0_data or reldatasourcecompatibilityid=hostedBy or relprojectid=* or reldatasourcecompatibilityid = native))"+
" and ((organizationlegalname all "+'"'+keyword+'"'+") or (organizationlegalshortname all "+'"'+keyword+'"'+")) " +
// "and " + this.quote(params) + " " +
"and (collectedfrom exact "+StringUtils.quote(StringUtils.URIEncode(DepositType))+")) "*/
// in search there is this filter:
//reldatasourcecompatibilityid exact driver or reldatasourcecompatibilityid exact driver-openaire2.0 or reldatasourcecompatibilityid exact openaire2.0 or reldatasourcecompatibilityid exact openaire3.0 or reldatasourcecompatibilityid exact openaire2.0_data or reldatasourcecompatibilityid exact hostedBy or relproject=*
//url += "((oaftype exact organization and deletedbyinference=false )"+
url += "((oaftype exact organization and deletedbyinference=false and"+
"(reldatasourcecompatibilityid=driver or reldatasourcecompatibilityid=driver-openaire2.0 or reldatasourcecompatibilityid=openaire2.0 or reldatasourcecompatibilityid=openaire3.0 or reldatasourcecompatibilityid=openaire4.0 or reldatasourcecompatibilityid=openaire2.0_data or reldatasourcecompatibilityid=hostedBy or relprojectid=* or reldatasourcecompatibilityid = native))"+
" and ((organizationlegalname all "+'"'+keyword+'"'+") or (organizationlegalshortname all "+'"'+keyword+'"'+")) " +
// "and " + this.quote(params) + " " +
//"and (collectedfrom exact "+StringUtils.quote(StringUtils.URIEncode(DepositType))+")) "
")";
}
url += "&page=0&size=10";
url += "&format=json";
// let url = properties.searchAPIURLLAst+"projects?"+((keyword && keyword.length > 0)?("q=" +keyword):"")+((funderId && funderId.length > 0 )?"&fq=funderid exact " + '"'+funderId+ '"':"")+"&size=10&page=0&format=json";
return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url).toPromise()
.then(request =>
{
//request = request.json().results;
request = request['results'];
//console.log(request);
this.ready = true;
return this.parse(request,"oaf:organization","organization");
}).catch((ex) => {
console.error('An error occured', ex);
return [{id:'-2',label:'Error'}];
});
}
searchByType(keyword:string,type:string, properties:EnvProperties ){
if (type == "project"){
return this.searchEntity(keyword,"projects","oaf:project","project", properties);
}else if (type == "dataset"){
return this.searchEntity(keyword,"datasets","oaf:result","dataset", properties);
}else if (type == "datasource" || type == "hostedBy" || type== "collectedFrom"){
return this.searchEntity(keyword,"datasources","oaf:datasource","datasource", properties);
}else if (type == "publication"){
return this.searchEntity(keyword,"publications","oaf:result","publication", properties);
}else if (type == "organization"){
return this.searchEntity(keyword,"organizations","oaf:organization","organization", properties);
}
}
fetchByType(id:string,type:string, properties:EnvProperties ){
if (type == "project"){
return this.fetchEntity(id,"projects","oaf:project","project", properties);
}else if (type == "dataset"){
return this.fetchEntity(id,"datasets","oaf:result","dataset", properties);
}else if (type == "datasource" || type == "hostedBy" || type== "collectedFrom"){
return this.fetchEntity(id,"datasources","oaf:datasource","datasource", properties);
}else if (type == "publication"){
return this.fetchEntity(id,"publications","oaf:result","publication", properties);
}else if (type == "organization"){
return this.fetchEntity(id,"organizations","oaf:organization","organization", properties);
}
}
private searchEntity (keyword: string,APIname:string,oafEntityType:string, type:string, properties:EnvProperties ):any {
let link = properties.searchAPIURLLAst+APIname;
return this.search(link,keyword,oafEntityType,type, properties)
}
private fetchEntity (id: string,APIname:string,oafEntityType:string, type:string, properties:EnvProperties ):any {
let link = properties.searchAPIURLLAst+APIname;
return this.fetch(link,id,oafEntityType,type, properties)
}
private fetch (link,id,oafEntityType,type, properties:EnvProperties ){
this.ready = false;
let url = link+"/"+id+"?format=json";
return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url)
//.map(request => <any> request.json())
// .do(res => console.info(res))
.pipe(map(request => {
this.ready = true;
return this.parse(request,oafEntityType,type);
}))
.pipe(catchError((ex) => {
console.error('An error occured', ex);
return [{id:'-2',label:'Error'}];
}));
}
private search (link,keyword,oafEntityType,type, properties:EnvProperties ){
this.ready = false;
let url = link+"?";
if(keyword!= null && keyword != '' ) {
if(type=="project") {
//name, title, acronym, grantid
url += "fq="+'(projectcode_nt="'+keyword+'" ) or (fundershortname='+'"'+keyword+ '"'+') or (projectacronym="'+keyword+'" ) or (projecttitle="'+keyword+'")';
} else if(type=="organization") {
//name fields
url += "fq="+'(organizationlegalname="'+keyword+'" ) or (organizationlegalshortname='+'"'+keyword+ '")';
} else {
url += "q="+ keyword;
}
}
url += "&page=0&size="+10+"&format=json";
return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url).toPromise()
.then(request =>
{
//request = request.json().results;
request = request['results'];
this.ready = true;
return this.parse(request,oafEntityType,type);
}).catch((ex) => {
console.error('An error occured', ex);
return [{id:'-2',label:'Error'}];
});
}
private parse(data: any,oafEntityType:string, type:string){
var array:any =[]
let length = Array.isArray(data) ? data.length : 1;
for(let i=0; i<length; i++) {
let resData = Array.isArray(data) ? data[i]['result']['metadata']['oaf:entity'][oafEntityType] : data['result']['metadata']['oaf:entity'][oafEntityType];
var value:any={} ;
if(resData['title']){
if(Array.isArray(resData['title'])) {
value.label = resData['title'][0];
} else {
value.label = resData['title'];
}
if(oafEntityType=="oaf:result"){
value.label = value.label.content;
value.result = resData;
}
}else if(resData["fullname"]){
if(Array.isArray(resData["fullname"])) {
value.label = resData["fullname"][0];
} else {
value.label = resData["fullname"];
}
}else if(resData["legalname"]){
if(Array.isArray(resData["legalname"])) {
value.label = resData["legalname"][0];
} else {
value.label = resData["legalname"];
}
if(resData["legalshortname"]){
if(Array.isArray(resData["legalshortname"])) {
value.label += " (" + resData["legalshortname"][0] +")";
} else {
value.label += " (" + resData["legalshortname"] +")";
}
}
}else if(resData["officialname"]){
if(Array.isArray(resData["officialname"])) {
value.label = resData["officialname"][0];
} else {
value.label = resData["officialname"];
}
}
value.id = Array.isArray(data) ? data[i]['result']['header']['dri:objIdentifier'] : data['result']['header']['dri:objIdentifier'];
if(type=="project"){
value.projectAcronym = resData['acronym'];
value.projectName = value.label;
value.endDate = null;
value.startDate = null;
value.funderId = "";
value.funderName = "";
value.jurisdiction = "";
value.fundingLevel0 = "";
value.code = resData['code'];
if(resData['fundingtree'] && resData['fundingtree']['funder']){
value.funderId = (resData['fundingtree']['funder']['id'] )?resData['fundingtree']['funder']['id']:"";
value.funderName = (resData['fundingtree']['funder']['shortname'] )?resData['fundingtree']['funder']['shortname']:"";
value.jurisdiction = (resData['fundingtree']['funder']['jurisdiction'] )?resData['fundingtree']['funder']['jurisdiction']:"";
if(resData['fundingtree']['funding_level_2']){
value.fundingLevel0 = (resData['fundingtree']['funding_level_2'] && resData['fundingtree']['funding_level_2']['parent'] &&
resData['fundingtree']['funding_level_2']['parent']['funding_level_1'] && resData['fundingtree']['funding_level_2']['parent']['funding_level_1']['parent']
&& resData['fundingtree']['funding_level_2']['parent']['funding_level_1']['parent']['funding_level_0'])?
resData['fundingtree']['funding_level_2']['parent']['funding_level_1']['parent']['funding_level_0']['name']:"";
}else if(resData['fundingtree']['funding_level_1']){
value.fundingLevel0 = (resData['fundingtree']['funding_level_1'] && resData['fundingtree']['funding_level_1']['parent'] && resData['fundingtree']['funding_level_1']['parent']['funding_level_0'])?
resData['fundingtree']['funding_level_1']['parent']['funding_level_0']['name']:"";
}else if(resData['fundingtree']['funding_level_0']){
value.fundingLevel0 = (resData['fundingtree']['funding_level_0'] )?resData['fundingtree']['funding_level_0']['name']:"";
}else {
value.fundingLevel0="";
}
}
if(resData.hasOwnProperty("startdate")) {
value.startDate = resData.startdate.split('-')[0];
}
if(resData.hasOwnProperty("enddate")) {
value.endDate = resData.enddate.split('-')[0];
}
}
// console.info("add:"+value.label+" "+value.id);
array.push(value);
}
if(array.length == 0){
array.push({id:'-1',label:'No results found'});
}
//console.info("Parsing results.... Size:"+array.length);
return array;
}
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');
}
}