From 8590750e4c883a79d9462f23fd21b32b13ab4c04 Mon Sep 17 00:00:00 2001
From: Yidadaa <yidadaa@qq.com>
Date: Wed, 14 Jun 2023 23:22:59 +0800
Subject: [PATCH 1/3] feat: close #1960 add gpt-3.5-turbo-16k-0613

---
 app/store/config.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/store/config.ts b/app/store/config.ts
index e837011a..3378b9c3 100644
--- a/app/store/config.ts
+++ b/app/store/config.ts
@@ -92,6 +92,10 @@ export const ALL_MODELS = [
     name: "gpt-3.5-turbo-16k",
     available: true,
   },
+  {
+    name: "gpt-3.5-turbo-16k-0613",
+    available: true,
+  },
   {
     name: "qwen-v1", // 通义千问
     available: false,

From 76fdd047e7a9427dee18785d1cf60cc0e0999554 Mon Sep 17 00:00:00 2001
From: Yidadaa <yidadaa@qq.com>
Date: Thu, 15 Jun 2023 00:14:38 +0800
Subject: [PATCH 2/3] feat: new token count function

---
 app/store/chat.ts  |  3 ++-
 app/utils/token.ts | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 app/utils/token.ts

diff --git a/app/store/chat.ts b/app/store/chat.ts
index 3c9953e5..f56d9b9d 100644
--- a/app/store/chat.ts
+++ b/app/store/chat.ts
@@ -11,6 +11,7 @@ import { StoreKey } from "../constant";
 import { api, RequestMessage } from "../client/api";
 import { ChatControllerPool } from "../client/controller";
 import { prettyObject } from "../utils/format";
+import { estimateTokenLength } from "../utils/token";
 
 export type ChatMessage = RequestMessage & {
   date: string;
@@ -102,7 +103,7 @@ interface ChatStore {
 }
 
 function countMessages(msgs: ChatMessage[]) {
-  return msgs.reduce((pre, cur) => pre + cur.content.length, 0);
+  return msgs.reduce((pre, cur) => pre + estimateTokenLength(cur.content), 0);
 }
 
 export const useChatStore = create<ChatStore>()(
diff --git a/app/utils/token.ts b/app/utils/token.ts
new file mode 100644
index 00000000..ec8139b2
--- /dev/null
+++ b/app/utils/token.ts
@@ -0,0 +1,22 @@
+export function estimateTokenLength(input: string): number {
+  let tokenLength = 0;
+
+  for (let i = 0; i < input.length; i++) {
+    const charCode = input.charCodeAt(i);
+
+    if (charCode < 128) {
+      // ASCII character
+      if (charCode <= 122 && charCode >= 65) {
+        // a-Z
+        tokenLength += 0.25;
+      } else {
+        tokenLength += 0.5;
+      }
+    } else {
+      // Unicode character
+      tokenLength += 1.5;
+    }
+  }
+
+  return tokenLength;
+}

From 0fb775d71a0fac5ce4aa802bc3eb0b066c12ed7b Mon Sep 17 00:00:00 2001
From: Yidadaa <yidadaa@qq.com>
Date: Thu, 15 Jun 2023 00:28:47 +0800
Subject: [PATCH 3/3] fix: #1931 try to fix cors issues

---
 app/api/openai/[...path]/route.ts |  4 ++++
 next.config.mjs                   | 11 +++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/app/api/openai/[...path]/route.ts b/app/api/openai/[...path]/route.ts
index 04f3b6da..36f92d0f 100644
--- a/app/api/openai/[...path]/route.ts
+++ b/app/api/openai/[...path]/route.ts
@@ -12,6 +12,10 @@ async function handle(
 ) {
   console.log("[OpenAI Route] params ", params);
 
+  if (req.method === "OPTIONS") {
+    return NextResponse.json({ body: "OK" }, { status: 200 });
+  }
+
   const subpath = params.path.join("/");
 
   if (!ALLOWD_PATH.has(subpath)) {
diff --git a/next.config.mjs b/next.config.mjs
index b2a47deb..540fc027 100644
--- a/next.config.mjs
+++ b/next.config.mjs
@@ -18,18 +18,21 @@ if (mode !== "export") {
   nextConfig.headers = async () => {
     return [
       {
-        source: "/:path*",
+        source: "/api/:path*",
         headers: [
           { key: "Access-Control-Allow-Credentials", value: "true" },
           { key: "Access-Control-Allow-Origin", value: "*" },
           {
             key: "Access-Control-Allow-Methods",
-            value: "GET,OPTIONS,PATCH,DELETE,POST,PUT",
+            value: "*",
           },
           {
             key: "Access-Control-Allow-Headers",
-            value:
-              "X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version",
+            value: "*",
+          },
+          {
+            key: "Access-Control-Max-Age",
+            value: "86400",
           },
         ],
       },