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

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import {SearchProjectsService} from '../../services/searchProjects.service';
import {ErrorCodes} from '../../utils/properties/errorCodes';
import {ErrorMessagesComponent} from '../../utils/errorMessages.component';
import {SearchCustomFilter, SearchUtilsClass} from '../../searchPages/searchUtils/searchUtils.class';
import {EnvProperties} from '../../utils/properties/env-properties';
import {StringUtils} from '../../utils/string-utils.class';
import {SearchResult} from "../entities/searchResult";
import {Subscriber} from "rxjs";
import {OpenaireEntities} from "../properties/searchFields";
export class FetchProjects {
private errorCodes: ErrorCodes;
private errorMessages: ErrorMessagesComponent;
public results: SearchResult[] = [];
public filters; // for getResultsForOrganizations
public funders: any = []; // for getResultsForOrganizations // this is filled with the initial query - before filtering
subscriptions = [];
public searchUtils: SearchUtilsClass = new SearchUtilsClass();
constructor(private _searchProjectsService: SearchProjectsService) {
this.errorCodes = new ErrorCodes();
this.errorMessages = new ErrorMessagesComponent();
this.searchUtils.status = this.errorCodes.LOADING;
}
public clearSubscriptions() {
this.subscriptions.forEach(subscription => {
if (subscription instanceof Subscriber) {
subscription.unsubscribe();
}
});
}
public getResultsByKeyword(keyword: string, page: number, size: number, properties: EnvProperties, customFilter: SearchCustomFilter = null) {
var parameters = "";
if (keyword.length > 0) {
parameters = "q=" + StringUtils.URIEncode(keyword);
}
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
var refineParams = null;
if (customFilter) {
refineParams = (refineParams ? (refineParams + '&') : '') + "&fq=" + StringUtils.URIEncode(customFilter.queryFieldName + " exact " + StringUtils.quote((customFilter.valueId)));
}
this.subscriptions.push(this._searchProjectsService.searchProjects(parameters, refineParams, page, size, [], properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
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;
}*/
this.handleError("Error getting "+OpenaireEntities.PROJECTS+" for keyword: " + keyword, err);
this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
}
));
}
public getResultsForDataproviders(id: string, page: number, size: number, properties: EnvProperties) {
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
this.subscriptions.push(this._searchProjectsService.getProjectsforDataProvider(id, page, size, properties).subscribe(
data => {
this.searchUtils.totalResults = data[0];
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;
}*/
this.handleError("Error getting "+OpenaireEntities.PROJECTS+" for "+OpenaireEntities.DATASOURCE+" with id: " + id, err);
this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
}
));
}
public getNumForEntity(entity: string, id: string, properties: EnvProperties) {
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
if (id != "" && entity != "") {
this.subscriptions.push(this._searchProjectsService.numOfEntityProjects(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;
}*/
this.handleError("Error getting number of "+OpenaireEntities.PROJECTS+" for " + entity + " with id: " + id, err);
this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
}
));
}
}
public getResultsForOrganizations(organizationId: string, filterquery: string, page: number, size: number, refineFields: string[], properties: EnvProperties) {
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.LOADING;
this.subscriptions.push(this._searchProjectsService.getProjectsForOrganizations(organizationId, filterquery, page, size, refineFields, properties).subscribe(
data => {
this.searchUtils.totalResults = data[0]; // the results can be filtered so this number can be no total results
this.results = data[1];
if (refineFields && refineFields.length > 0) {
this.filters = data[2];
filterquery = decodeURIComponent(filterquery);
for (var i = 0; i < this.filters.length; i++) {
if (filterquery.indexOf(this.filters[i].filterId) !== -1) {
//console.log("this.filters[i].filterId:"+this.filters[i].filterId);
for (var j = 0; j < this.filters[i].values.length; j++) {
//console.log("this.filters[i].values[j].id:"+this.filters[i].values[j].id);
if (filterquery.indexOf(this.filters[i].values[j].id) !== -1) {
this.filters[i].values[j].selected = true;
}
}
}
this.filters[i].countAllValues = this.filters[i].values.length;
}
}
if (filterquery == "") {
this.searchUtils.totalResultsNoFilters = this.searchUtils.totalResults;
this.funders = [];
for (var i = 0; i < this.filters.length; i++) {
//console.log("this.filters[i].filterId:"+this.filters[i].filterId);
if (this.filters[i].filterId == "funder") {
this.funders = (this.filters[i].values);
}
this.filters[i].countAllValues = this.filters[i].values.length;
}
//console.log(" this.funders:"+ this.funders);
}
//var errorCodes:ErrorCodes = new ErrorCodes();
this.searchUtils.status = this.errorCodes.DONE;
if (this.searchUtils.totalResults == 0) {
this.searchUtils.status = this.errorCodes.NONE;
}
},
err => {
this.handleError("Error getting "+OpenaireEntities.PROJECTS+" for "+OpenaireEntities.ORGANIZATION+" with id: " + organizationId, err);
this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
}
));
}
private handleError(message: string, error) {
console.error("Fetch "+OpenaireEntities.PROJECTS+" (class): " + message, error);
}
}