openaire-library/utils/fetchEntitiesClasses/fetchDatasets.class.ts

257 lines
9.3 KiB
TypeScript

import {SearchDatasetsService} from '../../services/searchDatasets.service';
import { ErrorCodes} from '../../utils/properties/errorCodes';
import {SearchUtilsClass } from '../../searchPages/searchUtils/searchUtils.class';
import {DOI} from '../../utils/string-utils.class';
import {Subject} from 'rxjs/Subject';
import{EnvProperties} from '../../utils/properties/env-properties';
export class FetchDatasets{
private errorCodes: ErrorCodes;
public results =[];
public requestComplete: Subject<void>;
public searchUtils:SearchUtilsClass = new SearchUtilsClass();
private sub: any;
private subResults: any;
public csvParams: string;
constructor ( private _searchDatasetsService: SearchDatasetsService ) {
this.errorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
this.requestComplete = new Subject<void>();
}
public ngOnDestroy() {
if(this.sub){
this.sub.unsubscribe();
}
if(this.subResults){
this.subResults.unsubscribe();
}
}
public getResultsByKeyword(keyword:string, page: number, size: number, properties:EnvProperties){
var parameters = "";
if(keyword.length > 0){
var DOIs:string[] = DOI.getDOIsFromString(keyword);
var doisParams = "";
for(var i =0 ;i < DOIs.length; i++){
doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
}
if(doisParams.length > 0){
parameters += "&"+doisParams;
}else{
parameters = "q=" + keyword;
}
}
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
this.subResults = this._searchDatasetsService.searchDatasets(parameters,null, page, size, [], properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
console.info("search Research Data: [Parameters:"+parameters+" ] [total results:"+this.searchUtils.totalResults+"]");
this.results = data[1];
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.DONE;
if(this.searchUtils.totalResults == 0 ){
this.searchUtils.status = this.errorCodes.NONE;
}
},
err => {
console.log(err);
//TODO check erros (service not available, bad request)
// if( ){
// this.searchUtils.status = ErrorCodes.ERROR;
// }
//var errorCodes:ErrorCodes = new ErrorCodes();
//this.searchUtils.status = errorCodes.ERROR;
if(err.status == '404') {
this.searchUtils.status = this.errorCodes.NOT_FOUND;
} else if(err.status == '500') {
this.searchUtils.status = this.errorCodes.ERROR;
} else {
this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
}
}
);
}
public getNumForEntity(entity:string, id:string, properties:EnvProperties){
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
if(id != "" && entity != "") {
this._searchDatasetsService.numOfEntityDatasets(id, entity, properties).subscribe(
data => {
this.searchUtils.totalResults = data;
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.DONE;
if(this.searchUtils.totalResults == 0 ){
this.searchUtils.status = this.errorCodes.NONE;
}
},
err => {
console.log(err);
//TODO check erros (service not available, bad request)
// if( ){
// this.searchUtils.status = ErrorCodes.ERROR;
// }
//var errorCodes:ErrorCodes = new ErrorCodes();
//this.searchUtils.status = errorCodes.ERROR;
if(err.status == '404') {
this.searchUtils.status = this.errorCodes.NOT_FOUND;
} else if(err.status == '500') {
this.searchUtils.status = this.errorCodes.ERROR;
} else {
this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
}
}
);
}
}
public getResultsForEntity(entity:string, id:string, page: number, size: number, properties:EnvProperties){
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
var parameters = "";
if(entity == "project") {
parameters = "projects/"+id;
} else if(entity == "organization") {
parameters = "organizations/"+id;
}
if(parameters != "") {
this._searchDatasetsService.searchDatasetsForEntity(parameters, page, size, properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
console.info("search Research Data for "+entity+": [Parameters:"+parameters+" ] [total results:"+this.searchUtils.totalResults+"]");
this.results = data[1];
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.DONE;
if(this.searchUtils.totalResults == 0 ){
this.searchUtils.status = this.errorCodes.NONE;
}
},
err => {
console.log(err);
//TODO check erros (service not available, bad request)
// if( ){
// this.searchUtils.status = ErrorCodes.ERROR;
// }
//var errorCodes:ErrorCodes = new ErrorCodes();
//this.searchUtils.status = errorCodes.ERROR;
if(err.status == '404') {
this.searchUtils.status = this.errorCodes.NOT_FOUND;
} else if(err.status == '500') {
this.searchUtils.status = this.errorCodes.ERROR;
} else {
this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
}
}
);
}
}
public getResultsForDataproviders(id:string, resultsFrom:string, page: number, size: number, properties:EnvProperties){
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
var parameters;
if(resultsFrom == "collectedFrom") {
parameters = "datasets?fq=collectedfromdatasourceid exact "+'"'+id+'"';
} else if(resultsFrom == "hostedBy") {
parameters = "datasets?fq=resulthostingdatasourceid exact "+'"'+id+'"';
}
if(parameters != "") {
this._searchDatasetsService.searchDatasetsForDataproviders(parameters, page, size, properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
console.info("search Research Data for Dataproviders: [Parameters:"+parameters+" ] [total results:"+this.searchUtils.totalResults+"]");
this.results = data[1];
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.DONE;
if(this.searchUtils.totalResults == 0 ){
this.searchUtils.status = this.errorCodes.NONE;
}
},
err => {
console.log(err);
//TODO check erros (service not available, bad request)
// if( ){
// this.searchUtils.status = ErrorCodes.ERROR;
// }
//var errorCodes:ErrorCodes = new ErrorCodes();
//this.searchUtils.status = errorCodes.ERROR;
if(err.status == '404') {
this.searchUtils.status = this.errorCodes.NOT_FOUND;
} else if(err.status == '500') {
this.searchUtils.status = this.errorCodes.ERROR;
} else {
this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
}
}
);
}
}
public getAggregatorResults(id:string, page: number, size: number, properties:EnvProperties){
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
this.subResults = this._searchDatasetsService.searchAggregators(id, '&fq=collectedfromdatasourceid exact "'+id+'"',"&refine=true&fields=resulthostingdatasource" , page, size, properties).subscribe(
data => {
this.results = data;
this.searchUtils.totalResults = this.results.length;
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.DONE;
if(this.searchUtils.totalResults == 0 ){
this.searchUtils.status = this.errorCodes.NONE;
}
this.requestComplete.complete();
},
err => {
console.log(err);
console.info("status: "+err.status);
//TODO check erros (service not available, bad request)
// if( ){
// this.searchUtils.status = ErrorCodes.ERROR;
// }
//var errorCodes:ErrorCodes = new ErrorCodes();
//this.searchUtils.status = errorCodes.ERROR;
if(err.status == '404') {
this.searchUtils.status = this.errorCodes.NOT_FOUND;
} else if(err.status == '500') {
this.searchUtils.status = this.errorCodes.ERROR;
} else {
this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
}
this.requestComplete.complete();
}
);
}
}