From 4a9f0ba8ae0fe77c999f7ed2fb8f0fa09cec6508 Mon Sep 17 00:00:00 2001
From: Mahmut Gundogdu <mahmutgundogdu@hotmail.com.tr>
Date: Mon, 23 Jan 2023 17:54:11 +0300
Subject: [PATCH] Add HttpContext variable and skip it http interceptor logic
 when it is true

---
 .../core/src/lib/clients/http.client.ts       | 30 +++++++++++++++++++
 .../packages/core/src/lib/clients/index.ts    |  1 +
 .../src/lib/interceptors/api.interceptor.ts   |  4 +++
 .../core/src/lib/tokens/http-context.token.ts |  3 ++
 npm/ng-packs/packages/core/src/public-api.ts  |  1 +
 5 files changed, 39 insertions(+)
 create mode 100644 npm/ng-packs/packages/core/src/lib/clients/http.client.ts
 create mode 100644 npm/ng-packs/packages/core/src/lib/clients/index.ts
 create mode 100644 npm/ng-packs/packages/core/src/lib/tokens/http-context.token.ts

diff --git a/npm/ng-packs/packages/core/src/lib/clients/http.client.ts b/npm/ng-packs/packages/core/src/lib/clients/http.client.ts
new file mode 100644
index 0000000000..c6e9017be7
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/clients/http.client.ts
@@ -0,0 +1,30 @@
+import { HttpClient, HttpContext, HttpRequest } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import { Observable } from 'rxjs';
+import { IS_EXTERNAL_REQUEST } from '../tokens/http-context.token';
+
+// source : https://github.com/armanozak/demo-angular-server-specific-interceptors
+@Injectable({
+  providedIn: 'root',
+})
+export class ExternalHttpClient extends HttpClient {
+  override request(
+    first: string | HttpRequest<any>,
+    url?: string,
+    options: RequestOptions = {},
+  ): Observable<any> {
+    if (typeof first === 'string') {
+      this.#setPlaceholderContext(options);
+      return super.request(first, url, options);
+    }
+
+    this.#setPlaceholderContext(first);
+    return super.request(first);
+  }
+  #setPlaceholderContext(optionsOrRequest: { context?: HttpContext }) {
+    optionsOrRequest.context ??= new HttpContext();
+    optionsOrRequest.context.set(IS_EXTERNAL_REQUEST, true);
+  }
+}
+
+type RequestOptions = Parameters<HttpClient['request']>[2];
diff --git a/npm/ng-packs/packages/core/src/lib/clients/index.ts b/npm/ng-packs/packages/core/src/lib/clients/index.ts
new file mode 100644
index 0000000000..c9aba4d030
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/clients/index.ts
@@ -0,0 +1 @@
+export * from './http.client';
diff --git a/npm/ng-packs/packages/core/src/lib/interceptors/api.interceptor.ts b/npm/ng-packs/packages/core/src/lib/interceptors/api.interceptor.ts
index d3dbe19ec0..aef5b9e706 100644
--- a/npm/ng-packs/packages/core/src/lib/interceptors/api.interceptor.ts
+++ b/npm/ng-packs/packages/core/src/lib/interceptors/api.interceptor.ts
@@ -5,6 +5,7 @@ import { finalize } from 'rxjs/operators';
 import { SessionStateService } from '../services/session-state.service';
 import { HttpWaitService } from '../services/http-wait.service';
 import { TENANT_KEY } from '../tokens/tenant-key.token';
+import { IS_EXTERNAL_REQUEST } from '../tokens/http-context.token';
 
 @Injectable({
   providedIn: 'root',
@@ -18,6 +19,9 @@ export class ApiInterceptor implements HttpInterceptor {
   ) {}
 
   intercept(request: HttpRequest<any>, next: HttpHandler) {
+    if (request.context?.get(IS_EXTERNAL_REQUEST)) {
+      return next.handle(request);
+    }
     this.httpWaitService.addRequest(request);
     return next
       .handle(
diff --git a/npm/ng-packs/packages/core/src/lib/tokens/http-context.token.ts b/npm/ng-packs/packages/core/src/lib/tokens/http-context.token.ts
new file mode 100644
index 0000000000..e935232b08
--- /dev/null
+++ b/npm/ng-packs/packages/core/src/lib/tokens/http-context.token.ts
@@ -0,0 +1,3 @@
+import { HttpContextToken } from '@angular/common/http';
+
+export const IS_EXTERNAL_REQUEST = new HttpContextToken<boolean>(() => false);
diff --git a/npm/ng-packs/packages/core/src/public-api.ts b/npm/ng-packs/packages/core/src/public-api.ts
index a5cbd78e4e..e740b4c4df 100644
--- a/npm/ng-packs/packages/core/src/public-api.ts
+++ b/npm/ng-packs/packages/core/src/public-api.ts
@@ -23,3 +23,4 @@ export * from './lib/strategies';
 export * from './lib/tokens';
 export * from './lib/utils';
 export * from './lib/validators';
+export * from './lib/clients';