51 lines
4.0 KiB
TypeScript
51 lines
4.0 KiB
TypeScript
import { Injectable, Inject, PLATFORM_ID } from '@angular/core';
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import { HttpInterceptor, HttpRequest, HttpHandler } from '@angular/common/http';
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import { TransferState } from '@angular/platform-browser';
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import { properties } from "../../environments/environment";
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@Injectable({
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providedIn: 'root'
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})
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export class CacheInterceptorService implements HttpInterceptor {
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cachingRequests = [
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// Remove 2 following lines when bug with hidden refine filters is solved.
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"/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=relfundinglevel0_id&fields=relproject&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&fields=country&&fq=resultbestaccessright exact \"Open Access\"&type=results&page=0&size=0",
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"/resources2/?format=json&refine=true&fields=funder&fields=fundinglevel0_id&fields=projectstartyear&fields=projectendyear&fields=projectecsc39&&type=projects&page=0&size=0",
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"/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&fields=country&&type=results&page=0&size=0",
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"/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=relfundinglevel0_id&fields=relproject&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&fields=country&&fq=resultbestaccessright%20exact%20%22Open%20Access%22&fq=relfunder%20exact%20%22ec__________%3A%3AEC%7C%7CEuropean%20Commission%7C%7CEC%22&type=results&page=0&size=0",
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"/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&fields=country&&fq=resultbestaccessright%20exact%20%22Open%20Access%22&type=results&page=0&size=0",
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"/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&fields=country&&fq=resultbestaccessright exact \"Open Access\"&type=results&page=0&size=0",
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"/resources2/?format=json&refine=true&fields=funder&fields=projectstartyear&fields=projectendyear&fields=projectecsc39&&type=projects&page=0&size=0",
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"/resources2/?format=json&refine=true&fields=datasourcetypeuiname&fields=datasourceodlanguages&fields=datasourceodcontenttypes&fields=datasourcecompatibilityname&fields=country&fields=collectedfromname&&type=datasources&page=0&size=0",
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"/resources2/?format=json&query= ( (reldatasourcecompatibilityid exact driver or reldatasourcecompatibilityid exact driver-openaire2.0 or reldatasourcecompatibilityid exact openaire2.0 or reldatasourcecompatibilityid exact openaire3.0 or reldatasourcecompatibilityid exact openaire4.0 or reldatasourcecompatibilityid exact openaire-cris_1.1 or reldatasourcecompatibilityid exact openaire2.0_data or reldatasourcecompatibilityid exact hostedBy or relproject=*) ) &refine=true&fields=country&&type=organizations&page=0&size=0",
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"/projects/?format=json&refine=true&page=1&size=0&fields=funder",
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"/resources/?format=json&query=( oaftype exact datasource )&refine=true&fields=datasourcetypeuiname&fields=country&fields=datasourceodsubjects&fields=datasourceodcontenttypes&fields=datasourcecompatibilityname&&type=datasources&page=0&size=0"
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];
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constructor(private transferState: TransferState, @Inject(PLATFORM_ID) private platformId: any) {}
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public intercept(request: HttpRequest<any>, next: HttpHandler): any {
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// console.debug(new Date());
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if(this.checkForCachedRequests(request.url)) {
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const dupReq = request.clone({url: properties.cacheUrl + encodeURIComponent(request.url)});
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return next.handle(dupReq);
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} else {
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return next.handle(request);
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}
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}
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public checkForCachedRequests(url){
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if(url.indexOf("refine=true") !== -1) {
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return this.cachingRequests.some(partUrl => (url.indexOf(partUrl) !== -1));
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}
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return false;
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}
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}
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