fix: 账单余额问题

src/constants/common.ts

@@ -36,6 +36,15 @@ wx: YNyiqi
 4. 使用该模型对话。  
 
 注意：使用知识库模型对话时，tokens 消耗会加快。  
+
+### 价格表
+如果使用了自己的 Api Key，不会计费。可以在账号页，看到详细账单。单纯使用 chatGPT 模型进行对话，只有一个计费项目。使用知识库时，包含**对话**和**索引**生成两个计费项。
+| 计费项 | 价格: 元/ 1K tokens（包含上下文）|
+| --- | --- | 
+| chatgpt - 对话 | 0.003 |
+| 知识库 - 对话 | 0.003 |
+| 知识库 - 索引 | 0.001 |
+| 文件拆分 | 0.003 |
 `;
 
 export const chatProblem = `

src/service/events/generateAbstract.ts

@@ -39,7 +39,7 @@ export async function generateAbstract(next = false): Promise<any> {
     // 获取 openapi Key
     let userApiKey, systemKey;
     try {
-      const key = await getOpenApiKey(dataItem.userId, true);
+      const key = await getOpenApiKey(dataItem.userId);
       userApiKey = key.userApiKey;
       systemKey = key.systemKey;
     } catch (error: any) {

src/service/events/generateQA.ts

@@ -38,7 +38,7 @@ export async function generateQA(next = false): Promise<any> {
     // 获取 openapi Key
     let userApiKey, systemKey;
     try {
-      const key = await getOpenApiKey(dataItem.userId, true);
+      const key = await getOpenApiKey(dataItem.userId);
       userApiKey = key.userApiKey;
       systemKey = key.systemKey;
     } catch (error: any) {
@@ -48,7 +48,7 @@ export async function generateQA(next = false): Promise<any> {
           textList: [],
           errorText: error.message
         });
-        throw new Error('账号余额不足');
+        throw new Error(error?.message);
       }
 
       throw new Error('获取 openai key 失败');

src/service/events/generateVector.ts

@@ -39,7 +39,19 @@ export async function generateVector(next = false): Promise<any> {
     };
 
     // 获取 openapi Key
-    const { userApiKey, systemKey } = await getOpenApiKey(dataItem.userId);
+    let userApiKey, systemKey;
+    try {
+      const res = await getOpenApiKey(dataItem.userId);
+      userApiKey = res.userApiKey;
+      systemKey = res.systemKey;
+    } catch (error: any) {
+      if (error?.code === 501) {
+        await redis.del(dataItem.id);
+        throw new Error(error?.message);
+      }
+
+      throw new Error('获取 openai key 失败');
+    }
 
     // 生成词向量
     const { vector } = await openaiCreateEmbedding({

src/service/events/pushBill.ts

@@ -90,7 +90,7 @@ export const pushSplitDataBill = async ({
       try {
         // 获取模型单价格, 都是用 gpt35 拆分
         const modelItem = modelList.find((item) => item.model === ChatModelNameEnum.GPT35);
-        const unitPrice = modelItem?.price || 5;
+        const unitPrice = modelItem?.price || 3;
         // 计算价格
         const price = unitPrice * tokens.length;
 

src/service/utils/chat.ts

@@ -36,10 +36,7 @@ export const authChat = async (chatId: string, authorization?: string) => {
   }
 
   // 获取 user 的 apiKey
-  const { user, userApiKey, systemKey } = await getOpenApiKey(
-    chat.userId as unknown as string,
-    false
-  );
+  const { user, userApiKey, systemKey } = await getOpenApiKey(chat.userId as unknown as string);
 
   // filter 掉被 deleted 的内容
   chat.content = chat.content.filter((item) => item.deleted !== true);

src/service/utils/openai.ts

@@ -6,20 +6,6 @@ import { formatPrice } from '@/utils/user';
 import { ChatModelNameEnum } from '@/constants/model';
 import { pushGenerateVectorBill } from '../events/pushBill';
 
-/* 判断 apikey 是否还有余额 */
-export const checkKeyGrant = async (apiKey: string) => {
-  const grant = await axios.get('https://api.openai.com/dashboard/billing/credit_grants', {
-    headers: {
-      Authorization: `Bearer ${apiKey}`
-    },
-    httpsAgent
-  });
-  if (grant.data?.total_available <= 0.2) {
-    return false;
-  }
-  return true;
-};
-
 /* 获取用户 api 的 openai 信息 */
 export const getUserApiOpenai = async (userId: string) => {
   const user = await User.findById(userId);
@@ -30,15 +16,6 @@ export const getUserApiOpenai = async (userId: string) => {
     return Promise.reject('缺少ApiKey, 无法请求');
   }
 
-  // 余额校验
-  const hasGrant = await checkKeyGrant(userApiKey);
-  if (!hasGrant) {
-    return Promise.reject({
-      code: 501,
-      message: 'API 余额不足'
-    });
-  }
-
   return {
     user,
     openai: getOpenAIApi(userApiKey),
@@ -47,27 +24,19 @@ export const getUserApiOpenai = async (userId: string) => {
 };
 
 /* 获取 open api key，如果用户没有自己的key，就用平台的，用平台记得加账单 */
-export const getOpenApiKey = async (userId: string, checkGrant = false) => {
+export const getOpenApiKey = async (userId: string) => {
   const user = await User.findById(userId);
   if (!user) {
-    return Promise.reject('找不到用户');
+    return Promise.reject({
+      code: 501,
+      message: '找不到用户'
+    });
   }
 
   const userApiKey = user?.accounts?.find((item: any) => item.type === 'openai')?.value;
 
   // 有自己的key
   if (userApiKey) {
-    // api 余额校验
-    if (checkGrant) {
-      const hasGrant = await checkKeyGrant(userApiKey);
-      if (!hasGrant) {
-        return Promise.reject({
-          code: 501,
-          message: 'API 余额不足'
-        });
-      }
-    }
-
     return {
       user,
       userApiKey,