fix(frontend): add useRef hook to manage eventSource in ChatMessage component

feat(frontend): add support for process.env.PORT environment variable in server.ts
feat(frontend): add updateFlowPool function to NewChatView component
feat(frontend): add buildId parameter to addDataToFlowPool function in flowStore
feat(frontend): add stream_url property to ChatOutputType in flow types

src/frontend/src/components/newChatView/chatMessage/index.tsx

@@ -1,5 +1,5 @@
 import Convert from "ansi-to-html";
-import { useEffect, useMemo, useState } from "react";
+import { useEffect, useMemo, useState,useRef } from "react";
 import Markdown from "react-markdown";
 import rehypeMathjax from "rehype-mathjax";
 import remarkGfm from "remark-gfm";
@@ -12,6 +12,7 @@ import IconComponent from "../../../components/genericIconComponent";
 import { chatMessagePropsType } from "../../../types/components";
 import { classNames } from "../../../utils/utils";
 import FileCard from "../fileComponent";
+import useFlowStore from "../../../stores/flowStore";
 
 export default function ChatMessage({
   chat,
@@ -29,6 +30,9 @@ export default function ChatMessage({
   const chatMessageString = chat.message ? chat.message.toString() : "";
   const [chatMessage, setChatMessage] = useState(chatMessageString);
   const [isStreaming, setIsStreaming] = useState(false);
+  const eventSource = useRef<EventSource | undefined>(undefined);
+  const updateFlowPool = useFlowStore((state) => state.updateFlowPool);
+
 
   // The idea now is that chat.stream_url MAY be a URL if we should stream the output of the chat
   // probably the message is empty when we have a stream_url
@@ -36,49 +40,48 @@ export default function ChatMessage({
   const streamChunks = (url: string) => {
     setIsStreaming(true); // Streaming starts
     return new Promise<boolean>((resolve, reject) => {
-      const eventSource = new EventSource(url);
-      eventSource.onmessage = (event) => {
+      eventSource.current = new EventSource(url);
+      eventSource.current.onmessage = (event) => {
         let parsedData = JSON.parse(event.data);
         if (parsedData.chunk) {
           setChatMessage((prev) => prev + parsedData.chunk);
         }
       };
-      eventSource.onerror = (event) => {
+      eventSource.current.onerror = (event) => {
+        setIsStreaming(false);
+        eventSource.current?.close();
+        setStreamUrl(undefined);
         reject(new Error("Streaming failed"));
-        setIsStreaming(false);
-        eventSource.close();
       };
-      eventSource.addEventListener("close", (event) => {
-        setStreamUrl(null); // Update state to reflect the stream is closed
-        resolve(true);
+      eventSource.current.addEventListener("close", (event) => {
+        setStreamUrl(undefined); // Update state to reflect the stream is closed
+        eventSource.current?.close();
         setIsStreaming(false);
-        eventSource.close();
+        resolve(true);
       });
     });
   };
 
+
+
   useEffect(() => {
-    if (streamUrl && chat.message === "") {
+    console.log(streamUrl)
+    if (streamUrl&& !isStreaming) {
       streamChunks(streamUrl)
         .then(() => {
           if (updateChat) {
-            updateChat(chat, chatMessage, streamUrl);
+            console.log("rodou")
+            updateChat(chat, chatMessage);
           }
         })
         .catch((error) => {
           console.error(error);
         });
     }
-  }, [streamUrl]);
-
-  useEffect(() => {
-    // This effect is specifically for calling updateChat after streaming ends
-    if (!isStreaming && streamUrl) {
-      if (updateChat) {
-        updateChat(chat, chatMessage, streamUrl);
-      }
+    return () => {
+      eventSource.current?.close();
     }
-  }, [isStreaming]);
+  }, [streamUrl,chatMessage]);
 
   useEffect(() => {
     const element = document.getElementById("last-chat-message");

src/frontend/src/components/newChatView/index.tsx

@@ -34,6 +34,7 @@ export default function NewChatView({
   const inputIds = inputs.map((obj) => obj.id);
   const outputIds = outputs.map((obj) => obj.id);
   const outputTypes = outputs.map((obj) => obj.type);
+  const updateFlowPool = useFlowStore((state)=>state.updateFlowPool)
 
   useEffect(() => {
     if (!outputTypes.includes("ChatOutput")) {
@@ -67,14 +68,12 @@ export default function NewChatView({
           const { sender, message, sender_name, stream_url } = output.data
             .artifacts as ChatOutputType;
 
-          const componentId = output.id + index;
-
           const is_ai = sender === "Machine" || sender === null;
           return {
             isSend: !is_ai,
             message: message,
             sender_name,
-            id: componentId,
+            componentId:  output.id,
             stream_url: stream_url,
           };
         } catch (e) {
@@ -83,7 +82,7 @@ export default function NewChatView({
             isSend: false,
             message: "Error parsing message",
             sender_name: "Error",
-            id: output.id + index,
+            componentId: output.id,
           };
         }
       });
@@ -120,27 +119,25 @@ export default function NewChatView({
   function updateChat(
     chat: ChatMessageType,
     message: string,
-    stream_url: string | null
-  ) {
-    if (message === "") return;
-    console.log(`updateChat: ${message}`);
-    console.log("chatHistory:", chatHistory);
-    chat.message = message;
-    chat.stream_url = stream_url;
+    stream_url?: string
+    ) {
+      if (message === "") return;
+      chat.message = message;
+      console.log(message)
     // chat is one of the chatHistory
-    setChatHistory((oldChatHistory) => {
-      const index = oldChatHistory.findIndex((ch) => ch.id === chat.id);
-
-      if (index === -1) return oldChatHistory;
-      let newChatHistory = _.cloneDeep(oldChatHistory);
-      newChatHistory = [
-        ...newChatHistory.slice(0, index),
-        chat,
-        ...newChatHistory.slice(index + 1),
-      ];
-      console.log("newChatHistory:", newChatHistory);
-      return newChatHistory;
-    });
+    updateFlowPool(chat.componentId,{message,sender_name:chat.sender_name??"Bot",sender:"Machine"})
+    // setChatHistory((oldChatHistory) => {
+      // const index = oldChatHistory.findIndex((ch) => ch.id === chat.id);
+      // if (index === -1) return oldChatHistory;
+      // let newChatHistory = _.cloneDeep(oldChatHistory);
+      // newChatHistory = [
+      //   ...newChatHistory.slice(0, index),
+      //   chat,
+      //   ...newChatHistory.slice(index + 1),
+      // ];
+      // console.log("newChatHistory:", newChatHistory);
+      // return newChatHistory;
+    // });
   }
 
   return (
@@ -167,7 +164,7 @@ export default function NewChatView({
                 lockChat={lockChat}
                 chat={chat}
                 lastMessage={chatHistory.length - 1 === index ? true : false}
-                key={`${chat.id}-${index}`}
+                key={`${chat.componentId}-${index}`}
                 updateChat={updateChat}
               />
             ))

src/frontend/src/stores/flowStore.ts

@@ -51,7 +51,7 @@ const useFlowStore = create<FlowStoreType>((set, get) => ({
   setFlowPool: (flowPool) => {
     set({ flowPool });
   },
-  addDataToFlowPool: (data: any, nodeId: string) => {
+  addDataToFlowPool: (data: FlowPoolObjectType, nodeId: string) => {
     let newFlowPool = cloneDeep({ ...get().flowPool });
     if (!newFlowPool[nodeId]) newFlowPool[nodeId] = [data];
     else {
@@ -416,12 +416,13 @@ const useFlowStore = create<FlowStoreType>((set, get) => ({
     }
     function handleBuildUpdate(
       vertexBuildData: VertexBuildTypeAPI,
-      status: BuildStatus
+      status: BuildStatus,
+      buildId:string
     ) {
       if (vertexBuildData && vertexBuildData.inactive_vertices) {
         get().removeFromVerticesBuild(vertexBuildData.inactive_vertices);
       }
-      get().addDataToFlowPool(vertexBuildData, vertexBuildData.id);
+      get().addDataToFlowPool({...vertexBuildData,buildId}, vertexBuildData.id);
       useFlowStore.getState().updateBuildStatus([vertexBuildData.id], status);
     }
     await updateFlowInDatabase({

src/frontend/src/types/chat/index.ts

@@ -9,7 +9,7 @@ export type ChatMessageType = {
   files?: Array<{ data: string; type: string; data_type: string }>;
   prompt?: string;
   chatKey?: string;
-  id?: string;
+  componentId: string;
   stream_url?: string | null;
   sender_name?: string;
 };

src/frontend/src/types/components/index.ts

@@ -527,7 +527,7 @@ export type chatMessagePropsType = {
   updateChat: (
     chat: ChatMessageType,
     message: string,
-    stream_url: string
+    stream_url?: string
   ) => void;
 };
 
@@ -632,9 +632,9 @@ export type validationStatusType = {
   id: string;
   data: object | any;
   params: string;
-  progress: number;
+  progress?: number;
   valid: boolean;
-  duration: string;
+  duration?: string;
 };
 
 export type ApiKey = {

src/frontend/src/types/zustand/flow/index.ts

@@ -18,6 +18,7 @@ export type ChatOutputType = {
   message: string;
   sender: string;
   sender_name: string;
+  stream_url?: string;
 };
 
 export type FlowPoolObjectType = {
@@ -25,9 +26,10 @@ export type FlowPoolObjectType = {
   valid: boolean;
   params: any;
   data: { artifacts: any | ChatOutputType | chatInputType; results: any | ChatOutputType | chatInputType };
-  duration: string;
-  progress: number;
+  duration?: string;
+  progress?: number;
   id: string;
+  buildId: string;
 };
 
 export type FlowPoolType = {
@@ -40,7 +42,7 @@ export type FlowStoreType = {
   outputs: Array<{ type: string; id: string }>;
   hasIO: boolean;
   setFlowPool: (flowPool: FlowPoolType) => void;
-  addDataToFlowPool: (data: any, nodeId: string) => void;
+  addDataToFlowPool: (data: FlowPoolObjectType, nodeId: string) => void;
   CleanFlowPool: () => void;
   isBuilding: boolean;
   isPending: boolean;

src/frontend/src/utils/buildUtils.ts

@@ -9,7 +9,7 @@ type BuildVerticesParams = {
   flowId: string; // Assuming FlowType is the type for your flow
   nodeId?: string | null; // Assuming nodeId is of type string, and it's optional
   onGetOrderSuccess?: () => void;
-  onBuildUpdate?: (data: VertexBuildTypeAPI, status: BuildStatus) => void; // Replace any with the actual type if it's not any
+  onBuildUpdate?: (data: VertexBuildTypeAPI, status: BuildStatus,buildId:string) => void; // Replace any with the actual type if it's not any
   onBuildComplete?: (allNodesValid: boolean) => void;
   onBuildError?: (title, list, idList: string[]) => void;
   onBuildStart?: (idList: string[]) => void;
@@ -48,7 +48,7 @@ export async function buildVertices({
   let orderResponse;
   try {
     orderResponse = await getVerticesOrder(flowId, nodeId);
-  } catch (error) {
+  } catch (error:any) {
     console.log(error);
     setErrorData({
       title: "Oops! Looks like you missed something",
@@ -59,6 +59,7 @@ export async function buildVertices({
   }
   if (onGetOrderSuccess) onGetOrderSuccess();
   let verticesOrder: Array<Array<string>> = orderResponse.data.ids;
+  const runId = orderResponse.data.run_id;
   let vertices_layers: Array<Array<string>> = [];
   let stop = false;
   if (validateNodes) {
@@ -102,14 +103,14 @@ export async function buildVertices({
         onBuildUpdate
       ) {
         // If it is, skip building and set the state to inactive
-        onBuildUpdate(getInactiveVertexData(id), BuildStatus.INACTIVE);
+        onBuildUpdate(getInactiveVertexData(id), BuildStatus.INACTIVE,runId);
         buildResults.push(false);
         continue;
       }
       await buildVertex({
         flowId,
         id,
-        onBuildUpdate,
+        onBuildUpdate:(data: VertexBuildTypeAPI, status: BuildStatus) => {if(onBuildUpdate) onBuildUpdate(data, status,runId)},
         onBuildError,
         verticesIds,
         buildResults,