feat: update chat model and support DISCORD_IMAGE_PROXY (#82)

Author: lvqq

README.md

@@ -103,7 +103,8 @@ All deployment configurations could be configured in the `.env` file or in **Env
 | OPENAI_API_BASE_URL | api.openai.com | The default address of the requested api                                                                                              |
 | DISCORD_SERVER_ID   | -              | Discord server id                                                                                                                     |
 | DISCORD_CHANNEL_ID  | -              | Discord channel id                                                                                                                    |
-| DISCORD_TOKEN       | -              | Discord token                                                                                                                         |  
+| DISCORD_TOKEN       | -              | Discord token                                                                                                                         |
+| DISCORD_IMAGE_PROXY | -              | Discord image proxy url                                                                                                               |  
 
 
 ### Global Configurations

README.zh-CN.md

@@ -114,7 +114,8 @@
 | OPENAI_API_BASE_URL | api.openai.com | 请求 api 的默认地址                                                                                  |
 | DISCORD_SERVER_ID   | -              | Discord 服务器 id                                                                                   |
 | DISCORD_CHANNEL_ID  | -              | Discord 频道 id                                                                                     |
-| DISCORD_TOKEN       | -              | Discord token                                                                                       |                   
+| DISCORD_TOKEN       | -              | Discord token                                                                                       |
+| DISCORD_IMAGE_PROXY | -              | Discord 返回图片代理地址                                                                             |                   
 
 
 ### 全局配置

src/configs/index.ts

@@ -6,11 +6,13 @@ export const localConversationKey = 'LOCAL_CONVERSATION';
 // From https://platform.openai.com/docs/models/model-endpoint-compatibility
 export const supportedModels = [
   'gpt-4',
-  'gpt-4-0314',
+  'gpt-4-0613',
   'gpt-4-32k',
-  'gpt-4-32k-0314',
+  'gpt-4-32k-0613',
   'gpt-3.5-turbo',
-  'gpt-3.5-turbo-0301',
+  'gpt-3.5-turbo-0613',
+  'gpt-3.5-turbo-16k',
+  'gpt-3.5-turbo-16k-0613',
 ] as const;
 
 export type SupportedModel = (typeof supportedModels)[number];

src/configs/server.ts

@@ -2,3 +2,5 @@ export const serverGlobalConfigs: { polling: number } = {
   // load balancer polling step
   polling: 0,
 };
+
+export const discordImageCdn = 'cdn.discordapp.com';

src/pages/api/images.ts

@@ -8,6 +8,7 @@ import {
   type MessageType,
   type MessageTypeProps,
 } from 'midjourney-fetch';
+import { discordImageCdn } from '@configs/server';
 import {
   apiKeyStrategy,
   apiKeys,
@@ -17,6 +18,7 @@ import {
   dicordServerId,
   discordChannelId,
   discordToken,
+  discordImageProxy,
 } from '.';
 
 export { config };
@@ -88,7 +90,23 @@ export const get: APIRoute = async ({ request }) => {
       const message = await midjourney.getMessage(prompt, options);
 
       if (message) {
-        return new Response(JSON.stringify(message), { status: 200 });
+        return new Response(
+          JSON.stringify(
+            discordImageProxy
+              ? {
+                  ...message,
+                  attachments: message.attachments.map((attachment) => ({
+                    ...attachment,
+                    url: attachment.url.replace(
+                      discordImageCdn,
+                      discordImageProxy
+                    ),
+                  })),
+                }
+              : message
+          ),
+          { status: 200 }
+        );
       }
 
       return new Response(JSON.stringify({ msg: 'No content found' }), {

src/pages/api/index.ts

@@ -38,6 +38,10 @@ export const discordChannelId =
 export const discordToken =
   import.meta.env.DISCORD_TOKEN || process.env.DISCORD_TOKEN;
 
+export const discordImageProxy = (
+  import.meta.env.DISCORD_IMAGE_PROXY || process.env.DISCORD_IMAGE_PROXY
+)?.replace(/^https?:\/\//i, '');
+
 /**
  * https://vercel.com/docs/concepts/edge-network/regions#region-list
  * disable hkg1 HongKong