chore: correct engine reload on config save (#797)

Author: louis-menlo

cortex-js/src/extensions/extensions.module.ts

@@ -4,23 +4,27 @@ import MistralEngineExtension from './mistral.engine';
 import OpenAIEngineExtension from './openai.engine';
 import { HttpModule, HttpService } from '@nestjs/axios';
 import { ConfigsUsecases } from '@/usecases/configs/configs.usecase';
-import { FileManagerModule } from '@/infrastructure/services/file-manager/file-manager.module';
+import { ConfigsModule } from '@/usecases/configs/configs.module';
+import { EventEmitter2, EventEmitterModule } from '@nestjs/event-emitter';
 
 const provider = {
   provide: 'EXTENSIONS_PROVIDER',
-  inject: [HttpService, ConfigsUsecases],
-  useFactory: (httpService: HttpService, configUsecases: ConfigsUsecases) => [
-    new OpenAIEngineExtension(httpService, configUsecases),
-    new GroqEngineExtension(httpService, configUsecases),
-    new MistralEngineExtension(httpService, configUsecases),
+  inject: [HttpService, ConfigsUsecases, EventEmitter2],
+  useFactory: (
+    httpService: HttpService,
+    configUsecases: ConfigsUsecases,
+    eventEmitter: EventEmitter2,
+  ) => [
+    new OpenAIEngineExtension(httpService, configUsecases, eventEmitter),
+    new GroqEngineExtension(httpService, configUsecases, eventEmitter),
+    new MistralEngineExtension(httpService, configUsecases, eventEmitter),
   ],
 };
 
 @Module({
-  // Do not import ConfigsModule here to avoid circular dependency
-  imports: [HttpModule, FileManagerModule],
+  imports: [HttpModule, ConfigsModule],
   controllers: [],
-  providers: [ConfigsUsecases, provider],
-  exports: [ConfigsUsecases, provider],
+  providers: [provider],
+  exports: [provider],
 })
 export class ExtensionsModule {}

cortex-js/src/extensions/groq.engine.ts

@@ -1,6 +1,7 @@
 import { HttpService } from '@nestjs/axios';
 import { OAIEngineExtension } from '../domain/abstracts/oai.abstract';
 import { ConfigsUsecases } from '@/usecases/configs/configs.usecase';
+import { EventEmitter2 } from '@nestjs/event-emitter';
 
 /**
  * A class that implements the InferenceExtension interface from the @janhq/core package.
@@ -18,16 +19,23 @@ export default class GroqEngineExtension extends OAIEngineExtension {
   constructor(
     protected readonly httpService: HttpService,
     protected readonly configsUsecases: ConfigsUsecases,
+    protected readonly eventEmmitter: EventEmitter2,
   ) {
     super(httpService);
+
+    eventEmmitter.on('config.updated', async (data) => {
+      if (data.group === this.name) {
+        this.apiKey = data.value;
+      }
+    });
   }
 
   async onLoad() {
     const configs = (await this.configsUsecases.getGroupConfigs(
       this.name,
     )) as unknown as { apiKey: string };
 
-    this.apiKey = configs?.apiKey
+    this.apiKey = configs?.apiKey;
     if (!configs?.apiKey)
       await this.configsUsecases.saveConfig('apiKey', '', this.name);
   }

cortex-js/src/extensions/mistral.engine.ts

@@ -1,6 +1,7 @@
 import { HttpService } from '@nestjs/axios';
 import { OAIEngineExtension } from '../domain/abstracts/oai.abstract';
 import { ConfigsUsecases } from '@/usecases/configs/configs.usecase';
+import { EventEmitter2 } from '@nestjs/event-emitter';
 
 /**
  * A class that implements the InferenceExtension interface from the @janhq/core package.
@@ -18,8 +19,15 @@ export default class MistralEngineExtension extends OAIEngineExtension {
   constructor(
     protected readonly httpService: HttpService,
     protected readonly configsUsecases: ConfigsUsecases,
+    protected readonly eventEmmitter: EventEmitter2,
   ) {
     super(httpService);
+
+    eventEmmitter.on('config.updated', async (data) => {
+      if (data.group === this.name) {
+        this.apiKey = data.value;
+      }
+    });
   }
 
   async onLoad() {

cortex-js/src/extensions/openai.engine.ts

@@ -1,6 +1,7 @@
 import { HttpService } from '@nestjs/axios';
 import { OAIEngineExtension } from '../domain/abstracts/oai.abstract';
 import { ConfigsUsecases } from '@/usecases/configs/configs.usecase';
+import { EventEmitter2 } from '@nestjs/event-emitter';
 
 /**
  * A class that implements the InferenceExtension interface from the @janhq/core package.
@@ -18,8 +19,15 @@ export default class OpenAIEngineExtension extends OAIEngineExtension {
   constructor(
     protected readonly httpService: HttpService,
     protected readonly configsUsecases: ConfigsUsecases,
+    protected readonly eventEmmitter: EventEmitter2,
   ) {
     super(httpService);
+
+    eventEmmitter.on('config.updated', async (data) => {
+      if (data.group === this.name) {
+        this.apiKey = data.value;
+      }
+    });
   }
 
   async onLoad() {

cortex-js/src/usecases/configs/configs.module.ts

@@ -1,10 +1,9 @@
 import { Module } from '@nestjs/common';
 import { FileManagerModule } from '@/infrastructure/services/file-manager/file-manager.module';
 import { ConfigsUsecases } from './configs.usecase';
-import { ExtensionModule } from '@/infrastructure/repositories/extensions/extension.module';
 
 @Module({
-  imports: [FileManagerModule, ExtensionModule],
+  imports: [FileManagerModule],
   controllers: [],
   providers: [ConfigsUsecases],
   exports: [ConfigsUsecases],

cortex-js/src/usecases/configs/configs.usecase.ts

@@ -1,10 +1,14 @@
 import { CommonResponseDto } from '@/infrastructure/dtos/common/common-response.dto';
 import { FileManagerService } from '@/infrastructure/services/file-manager/file-manager.service';
 import { Injectable } from '@nestjs/common';
+import { EventEmitter2 } from '@nestjs/event-emitter';
 
 @Injectable()
 export class ConfigsUsecases {
-  constructor(private readonly fileManagerService: FileManagerService) {}
+  constructor(
+    private readonly fileManagerService: FileManagerService,
+    private readonly eventEmitter: EventEmitter2,
+  ) {}
 
   /**
    * Save a configuration to the .cortexrc file.
@@ -33,11 +37,22 @@ export class ConfigsUsecases {
         : {}),
     };
 
-    return this.fileManagerService.writeConfigFile(newConfigs).then(() => {
-      return {
-        message: 'The config has been successfully updated.',
-      };
-    });
+    return this.fileManagerService
+      .writeConfigFile(newConfigs)
+      .then(async () => {
+        if (group) {
+          this.eventEmitter.emit('config.updated', {
+            group,
+            key,
+            value,
+          });
+        }
+      })
+      .then(() => {
+        return {
+          message: 'The config has been successfully updated.',
+        };
+      });
   }
 
   /**