From 411b4fa3a65e87bb19b7266f1b4d115c447837bc Mon Sep 17 00:00:00 2001
From: "konstantina.galouni"
 <konstantina.galouni@d315682c-612b-4755-9ff5-7f18f6832af3>
Date: Tue, 21 Jul 2020 13:19:27 +0000
Subject: [PATCH] [Trunk | Library]: New file "cache-interceptor.service.ts"
 added - redirects default refine queries in cache - currently, Explore Portal
 specific.

git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@59153 d315682c-612b-4755-9ff5-7f18f6832af3
---
 cache-interceptor.service.ts | 47 ++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 cache-interceptor.service.ts

diff --git a/cache-interceptor.service.ts b/cache-interceptor.service.ts
new file mode 100644
index 00000000..29b135e3
--- /dev/null
+++ b/cache-interceptor.service.ts
@@ -0,0 +1,47 @@
+import { Injectable, Inject, PLATFORM_ID } from '@angular/core';
+import { HttpInterceptor, HttpRequest, HttpHandler } from '@angular/common/http';
+import { TransferState } from '@angular/platform-browser';
+import { properties } from "../../environments/environment";
+
+@Injectable({
+  providedIn: 'root'
+})
+export class CacheInterceptorService implements HttpInterceptor {
+  cachingRequests = [
+    "/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=relfundinglevel0_id&fields=relproject&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&&fq=resultbestaccessright exact \"Open Access\"&type=results&page=0&size=0",
+    "/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&&type=results&page=0&size=0",
+    "/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=relfundinglevel0_id&fields=relproject&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&&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",
+
+    "/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&&fq=resultbestaccessright%20exact%20%22Open%20Access%22&type=results&page=0&size=0",
+    "/resources2/?format=json&refine=true&fields=resultbestaccessright&fields=relfunder&fields=instancetypename&fields=resultlanguagename&fields=community&fields=resulthostingdatasource&&fq=resultbestaccessright exact \"Open Access\"&type=results&page=0&size=0",
+    "/resources2/?format=json&refine=true&fields=funder&fields=projectstartyear&fields=projectendyear&fields=projectecsc39&&type=projects&page=0&size=0",
+    "/resources2/?format=json&refine=true&fields=datasourcetypeuiname&fields=datasourceodlanguages&fields=datasourceodcontenttypes&fields=datasourcecompatibilityname&fields=country&fields=collectedfromname&&type=datasources&page=0&size=0",
+    "/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",
+
+    "/projects/?format=json&refine=true&page=1&size=0&fields=funder",
+
+    "/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"
+  ];
+
+
+  constructor(private transferState: TransferState, @Inject(PLATFORM_ID) private platformId: any) {}
+
+  public intercept(request: HttpRequest<any>, next: HttpHandler): any {
+    // console.debug(new Date());
+
+    if(this.checkForCachedRequests(request.url)) {
+      const dupReq = request.clone({url: properties.cacheUrl + encodeURIComponent(request.url)});
+      return next.handle(dupReq);
+    } else {
+      return next.handle(request);
+    }
+  }
+
+  public checkForCachedRequests(url){
+    if(url.indexOf("refine=true") !== -1) {
+      return this.cachingRequests.some(partUrl => (url.indexOf(partUrl) !== -1));
+    }
+    return false;
+  }
+
+}
\ No newline at end of file