Add vision support (#4076)

app/client/platforms/openai.ts

@@ -9,7 +9,14 @@ import {
 } from "@/app/constant";
 import { useAccessStore, useAppConfig, useChatStore } from "@/app/store";
 
-import { ChatOptions, getHeaders, LLMApi, LLMModel, LLMUsage } from "../api";
+import {
+  ChatOptions,
+  getHeaders,
+  LLMApi,
+  LLMModel,
+  LLMUsage,
+  MultimodalContent,
+} from "../api";
 import Locale from "../../locales";
 import {
   EventStreamContentType,
@@ -18,6 +25,11 @@ import {
 import { prettyObject } from "@/app/utils/format";
 import { getClientConfig } from "@/app/config/client";
 import { makeAzurePath } from "@/app/azure";
+import {
+  getMessageTextContent,
+  getMessageImages,
+  isVisionModel,
+} from "@/app/utils";
 
 export interface OpenAIListModelResponse {
   object: string;
@@ -72,9 +84,10 @@ export class ChatGPTApi implements LLMApi {
   }
 
   async chat(options: ChatOptions) {
+    const visionModel = isVisionModel(options.config.model);
     const messages = options.messages.map((v) => ({
       role: v.role,
-      content: v.content,
+      content: visionModel ? v.content : getMessageTextContent(v),
     }));
 
     const modelConfig = {