chore: show error from remote engine, lint

cortex-js/src/domain/abstracts/oai.abstract.ts

@@ -40,7 +40,6 @@ export abstract class OAIEngineExtension extends EngineExtension {
       }),
     );
 
-
     if (!response) {
       throw new Error('No response');
     }

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

@@ -8,16 +8,16 @@ import { EngineStatus } from '@/domain/abstracts/engine.abstract';
 import { ChatCompletionMessage } from '@/infrastructure/dtos/chat/chat-completion-message.dto';
 
 enum RoleType {
-    user = 'USER',
-    chatbot = 'CHATBOT',
-    system = 'SYSTEM',
-  }
-  
-  type CoherePayloadType = {
-    chat_history?: Array<{ role: RoleType; message: string }>
-    message?: string
-    preamble?: string
-  }
+  user = 'USER',
+  chatbot = 'CHATBOT',
+  system = 'SYSTEM',
+}
+
+type CoherePayloadType = {
+  chat_history?: Array<{ role: RoleType; message: string }>;
+  message?: string;
+  preamble?: string;
+};
 
 /**
  * A class that implements the InferenceExtension interface from the @janhq/core package.
@@ -62,9 +62,9 @@ export default class CoHereEngineExtension extends OAIEngineExtension {
   }
 
   transformPayload = (payload: any): CoherePayloadType => {
-    console.log('payload', payload)
+    console.log('payload', payload);
     if (payload.messages.length === 0) {
-      return {}
+      return {};
     }
 
     const { messages, ...params } = payload;
@@ -73,31 +73,34 @@ export default class CoHereEngineExtension extends OAIEngineExtension {
       chat_history: [],
       message: '',
     };
-    (messages as ChatCompletionMessage[]).forEach((item: ChatCompletionMessage, index: number) => {
-      // Assign the message of the last item to the `message` property
-      if (index === messages.length - 1) {
-        convertedData.message = item.content as string
-        return
-      }
-      if (item.role === 'user') {
-        convertedData.chat_history!!.push({
-          role: 'USER' as RoleType,
-          message: item.content as string,
-        })
-      } else if (item.role === 'assistant') {
-        convertedData.chat_history!!.push({
-          role: 'CHATBOT' as RoleType,
-          message: item.content as string,
-        })
-      } else if (item.role === 'system') {
-        convertedData.preamble = item.content as string
-      }
-    })
-    return convertedData
-  }
+    (messages as ChatCompletionMessage[]).forEach(
+      (item: ChatCompletionMessage, index: number) => {
+        // Assign the message of the last item to the `message` property
+        if (index === messages.length - 1) {
+          convertedData.message = item.content as string;
+          return;
+        }
+        if (item.role === 'user') {
+          convertedData.chat_history!.push({
+            role: 'USER' as RoleType,
+            message: item.content as string,
+          });
+        } else if (item.role === 'assistant') {
+          convertedData.chat_history!.push({
+            role: 'CHATBOT' as RoleType,
+            message: item.content as string,
+          });
+        } else if (item.role === 'system') {
+          convertedData.preamble = item.content as string;
+        }
+      },
+    );
+    return convertedData;
+  };
 
   transformResponse = (data: any) => {
-    const text =  typeof data === 'object' ? data.text : JSON.parse(data).text ?? ''
+    const text =
+      typeof data === 'object' ? data.text : (JSON.parse(data).text ?? '');
     return JSON.stringify({
       choices: [
         {
@@ -107,5 +110,5 @@ export default class CoHereEngineExtension extends OAIEngineExtension {
         },
       ],
     });
-  }
+  };
 }

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

@@ -50,9 +50,8 @@ export default class OpenRouterEngineExtension extends OAIEngineExtension {
 
   transformPayload = (data: any): any => {
     return {
-        ...data,
-        model:"openrouter/auto",
-    }
+      ...data,
+      model: 'openrouter/auto',
+    };
   };
-
 }

cortex-js/src/infrastructure/controllers/chat.controller.ts

@@ -33,8 +33,9 @@ export class ChatController {
     @Body() createChatDto: CreateChatCompletionDto,
     @Res() res: Response,
   ) {
-    const { stream } = createChatDto;
-
+    let { stream } = createChatDto;
+    stream = false;
+    createChatDto.stream = stream;
     this.chatService
       .inference(createChatDto, extractCommonHeaders(headers))
       .then((response) => {
@@ -46,9 +47,50 @@ export class ChatController {
           res.json(response);
         }
       })
-      .catch((error) =>
-        res.status(error.statusCode ?? 400).send(error.message),
-      );
+      .catch((error) => {
+        const statusCode = error.response?.status ?? 400;
+        let errorMessage;
+        if (!stream) {
+          const data = error.response?.data;
+          return res
+            .status(statusCode)
+            .send(
+              data.error?.message ||
+                data.message ||
+                error.message ||
+                'An error occurred',
+            );
+        }
+        const streamResponse = error.response?.data;
+        let data = '';
+
+        streamResponse.on('data', (chunk: any) => {
+          data += chunk;
+        });
+
+        streamResponse.on('end', () => {
+          try {
+            const jsonResponse = JSON.parse(data);
+            errorMessage =
+              jsonResponse.error?.message ||
+              jsonResponse.message ||
+              error.message ||
+              'An error occurred';
+          } catch (err) {
+            errorMessage = 'An error occurred while processing the response';
+          }
+          return res
+            .status(error.statusCode ?? 400)
+            .send(errorMessage || error.message || 'An error occurred');
+        });
+
+        streamResponse.on('error', (streamError: any) => {
+          errorMessage = streamError.message ?? 'An error occurred';
+          return res
+            .status(error.statusCode ?? 400)
+            .send(errorMessage || error.message || 'An error occurred');
+        });
+      });
 
     this.telemetryUsecases.addEventToQueue({
       name: EventName.CHAT,

cortex-js/src/infrastructure/controllers/engines.controller.ts

@@ -112,7 +112,7 @@ export class EnginesController {
   })
   @Patch(':name(*)')
   update(@Param('name') name: string, @Body() configs?: any | undefined) {
-    console.log('configs', configs)
+    console.log('configs', configs);
     return this.enginesUsecases.updateConfigs(
       configs.config,
       configs.value,