openaire-library/services/refineFieldResults.service.ts

90 lines
3.4 KiB
TypeScript

import {Injectable} from '@angular/core';
import {Http, Response} from '@angular/http';
import {HttpClient, HttpErrorResponse} from "@angular/common/http";
import {Observable, throwError} from 'rxjs';
import {AutoCompleteValue} from '../searchPages/searchUtils/searchHelperClasses.class';
import {RefineResultsUtils} from './servicesUtils/refineResults.class';
import{EnvProperties} from '../utils/properties/env-properties';
import {map} from "rxjs/operators";
@Injectable()
export class RefineFieldResultsService {
constructor(private http: HttpClient ) {}
getRefineFieldsResultsByEntityName(fields:string[], entityName:string, properties:EnvProperties, communityQuery=null):any{
let url = properties.searchAPIURLLAst + this.getSearchAPIURLForEntity(entityName)+"?format=json&refine=true&page=1&size=0";
for(var i=0; i < fields.length; i++){
url += "&fields="+fields[i];
}
if(communityQuery!= null && communityQuery != '' ) {
url += communityQuery;
}
return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url)
//.map(res => <any> res.json())
.pipe(map(res => [res['meta'].total, RefineResultsUtils.parse(res['refineResults'],fields, entityName)]));
}
getRefineFieldResultsByFieldName(fieldName:string, entityName:string, properties:EnvProperties):any{
let link = properties.searchAPIURLLAst +this.getSearchAPIURLForEntity(entityName)+"?fields="+fieldName + "&format=json";
return this.getField(link,fieldName, properties);
}
getField (link:string,fieldName:string, properties:EnvProperties):any{
let url = link+"&refine=true&page=1&size=0";
return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url)
//.map(res => <any> res.json())
.pipe(map(res => res['refineResults']))
.pipe(map(res => this.parse(res,fieldName)));
}
parse(data: any,fieldName:string):any {
var values:AutoCompleteValue[] = [];
if(data){
let field = data[fieldName];
for(let i=0; i<field.length; i++) {
var value:AutoCompleteValue = new AutoCompleteValue();
value.label = field[i].name;
value.label = RefineResultsUtils.inParenthesisThePartAfterCharacters(field[i],"||");
value.id = field[i].id;
values.push(value);
}
}
return values;
}
getSearchAPIURLForEntity(entityType:string):string{
var suffix = "";
if(entityType == "project"){
suffix="projects/";
}else if(entityType == "publication"){
suffix="publications/";
}else if(entityType == "dataset"){
suffix="datasets/";
} else if(entityType == "software"){
suffix="software/";
} else if(entityType == "other"){
suffix="other/";
}else if(entityType == "organization"){
suffix="organizations/";
}else if(entityType == "dataprovider"){
suffix="datasources/";
}else if(entityType == "person"){
suffix="people/";
}
return suffix;
}
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');
}
}