refactor: Update message model and resolver to use MessageRole enum

Author: Sma1lboy

backend/src/chat/chat.resolver.ts

@@ -3,7 +3,7 @@ import { ChatCompletionChunk } from './chat.model';
 import { ChatProxyService, ChatService } from './chat.service';
 import { UserService } from 'src/user/user.service';
 import { Chat } from './chat.model';
-import { Message, Role } from 'src/chat/message.model';
+import { Message, MessageRole } from 'src/chat/message.model';
 import {
   NewChatInput,
   UpdateChatTitleInput,
@@ -33,7 +33,7 @@ export class ChatResolver {
   })
   async *chatStream(@Args('input') input: ChatInput) {
     const iterator = this.chatProxyService.streamChat(input.message);
-    this.chatService.saveMessage(input.chatId, input.message, Role.User);
+    this.chatService.saveMessage(input.chatId, input.message, MessageRole.User);
 
     let accumulatedContent = ''; // Accumulator for all chunks
 
@@ -49,7 +49,7 @@ export class ChatResolver {
       await this.chatService.saveMessage(
         input.chatId,
         accumulatedContent,
-        Role.Model,
+        MessageRole.Model,
       );
     } catch (error) {
       console.error('Error in chatStream:', error);

backend/src/chat/message.model.ts

@@ -16,12 +16,12 @@ import {
 import { Chat } from 'src/chat/chat.model';
 import { SystemBaseModel } from 'src/system-base-model/system-base.model';
 
-export enum Role {
+export enum MessageRole {
   User = 'User',
   Model = 'Model',
 }
 
-registerEnumType(Role, {
+registerEnumType(MessageRole, {
   name: 'Role',
 });
 
@@ -36,9 +36,9 @@ export class Message extends SystemBaseModel {
   @Column()
   content: string;
 
-  @Field(() => Role)
+  @Field(() => MessageRole)
   @Column({ type: 'text' })
-  role: Role;
+  role: MessageRole;
 
   @Field({ nullable: true })
   @Column({ nullable: true })