fix(core): merge req context with tenant payload in the request instance

integration/scopes/e2e/durable-providers.spec.ts

@@ -84,6 +84,25 @@ describe('Durable providers', () => {
       );
       expect(result.body).deep.equal({ tenantId: '3' });
     });
+
+    it(`should return the same tenantId both from durable request scoped service and non-durable request scoped service`, async () => {
+      let result: request.Response;
+      result = await new Promise<request.Response>(resolve =>
+        performHttpCall(1, resolve, '/durable/request-context'),
+      );
+      expect(result.body).deep.equal({
+        durableService: '1',
+        nonDurableService: '1',
+      });
+
+      result = await new Promise<request.Response>(resolve =>
+        performHttpCall(2, resolve, '/durable/request-context'),
+      );
+      expect(result.body).deep.equal({
+        durableService: '2',
+        nonDurableService: '2',
+      });
+    });
   });
 
   after(async () => {

integration/scopes/src/durable/durable-context-id.strategy.ts

@@ -1,6 +1,10 @@
 import { ContextId, ContextIdStrategy, HostComponentInfo } from '@nestjs/core';
 import { Request } from 'express';
 
+export type TenantContext = {
+  tenantId: string;
+};
+
 const tenants = new Map<string, ContextId>();
 
 export class DurableContextIdStrategy implements ContextIdStrategy {
@@ -17,7 +21,7 @@ export class DurableContextIdStrategy implements ContextIdStrategy {
     return {
       resolve: (info: HostComponentInfo) =>
         info.isTreeDurable ? tenantSubTreeId : contextId,
-      payload: { tenantId },
+      payload: { tenantId } satisfies TenantContext,
     };
   }
 }

integration/scopes/src/durable/durable.controller.ts

@@ -1,9 +1,13 @@
 import { Controller, Get } from '@nestjs/common';
 import { DurableService } from './durable.service';
+import { NonDurableService } from './non-durable.service';
 
 @Controller('durable')
 export class DurableController {
-  constructor(private readonly durableService: DurableService) {}
+  constructor(
+    private readonly durableService: DurableService,
+    private readonly nonDurableService: NonDurableService,
+  ) {}
 
   @Get()
   greeting(): string {
@@ -12,6 +16,16 @@ export class DurableController {
 
   @Get('echo')
   echo() {
-    return this.durableService.requestPayload;
+    return {
+      tenantId: this.durableService.getTenantId(),
+    };
+  }
+
+  @Get('request-context')
+  getRequestContext() {
+    return {
+      durableService: this.durableService.getTenantId(),
+      nonDurableService: this.nonDurableService.getTenantId(),
+    };
   }
 }

integration/scopes/src/durable/durable.module.ts

@@ -3,11 +3,13 @@ import { APP_GUARD } from '@nestjs/core';
 import { DurableController } from './durable.controller';
 import { DurableGuard } from './durable.guard';
 import { DurableService } from './durable.service';
+import { NonDurableService } from './non-durable.service';
 
 @Module({
   controllers: [DurableController],
   providers: [
     DurableService,
+    NonDurableService,
     {
       provide: APP_GUARD,
       useClass: DurableGuard,

integration/scopes/src/durable/durable.service.ts

@@ -1,14 +1,21 @@
 import { Inject, Injectable, Scope } from '@nestjs/common';
 import { REQUEST } from '@nestjs/core';
+import { TenantContext } from './durable-context-id.strategy';
 
 @Injectable({ scope: Scope.REQUEST, durable: true })
 export class DurableService {
   public instanceCounter = 0;
 
-  constructor(@Inject(REQUEST) public readonly requestPayload: unknown) {}
+  constructor(
+    @Inject(REQUEST) private readonly requestPayload: TenantContext,
+  ) {}
 
   greeting() {
     ++this.instanceCounter;
     return `Hello world! Counter: ${this.instanceCounter}`;
   }
+
+  getTenantId() {
+    return this.requestPayload.tenantId;
+  }
 }

integration/scopes/src/durable/non-durable.service.ts

@@ -0,0 +1,14 @@
+import { Inject, Injectable, Scope } from '@nestjs/common';
+import { REQUEST } from '@nestjs/core';
+import { TenantContext } from './durable-context-id.strategy';
+
+@Injectable()
+export class NonDurableService {
+  constructor(
+    @Inject(REQUEST) private readonly requestPayload: TenantContext,
+  ) {}
+
+  getTenantId() {
+    return this.requestPayload.tenantId;
+  }
+}

packages/core/middleware/middleware-module.ts

@@ -346,7 +346,9 @@ export class MiddlewareModule<
         configurable: false,
       });
 
-      const requestProviderValue = isTreeDurable ? contextId.payload : request;
+      const requestProviderValue = isTreeDurable
+        ? contextId.payload
+        : Object.assign(request, contextId.payload);
       this.container.registerRequestProvider(requestProviderValue, contextId);
     }
     return contextId;

packages/core/router/router-explorer.ts

@@ -418,7 +418,9 @@ export class RouterExplorer {
         configurable: false,
       });
 
-      const requestProviderValue = isTreeDurable ? contextId.payload : request;
+      const requestProviderValue = isTreeDurable
+        ? contextId.payload
+        : Object.assign(request, contextId.payload);
       this.container.registerRequestProvider(requestProviderValue, contextId);
     }
     return contextId;

packages/microservices/listeners-controller.ts

@@ -308,7 +308,9 @@ export class ListenersController {
         configurable: false,
       });
 
-      const requestProviderValue = isTreeDurable ? contextId.payload : request;
+      const requestProviderValue = isTreeDurable
+        ? contextId.payload
+        : Object.assign(request, contextId.payload);
       this.container.registerRequestProvider(requestProviderValue, contextId);
     }
     return contextId;