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1 | 1 | // client/packages/lowcoder/src/comps/comps/chatComp/chatView.tsx
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2 |
| -import React from "react"; |
| 2 | +import React, { useState, useContext } from "react"; |
3 | 3 | import { ChatCompProps } from "./chatCompTypes";
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4 | 4 | import { Thread } from "./components/assistant-ui/thread";
|
5 | 5 |
|
6 |
| -// Import assistant-ui components and proper runtime |
| 6 | +// Import assistant-ui components for external store runtime |
7 | 7 | import {
|
8 | 8 | AssistantRuntimeProvider,
|
| 9 | + useExternalStoreRuntime, |
| 10 | + ThreadMessageLike, |
| 11 | + AppendMessage |
9 | 12 | } from "@assistant-ui/react";
|
10 |
| -import { useChatRuntime } from "@assistant-ui/react-ai-sdk"; |
11 | 13 | import "@assistant-ui/styles/index.css";
|
12 | 14 | import "@assistant-ui/styles/markdown.css";
|
13 | 15 |
|
| 16 | +// Import Lowcoder query execution |
| 17 | +import { EditorContext } from "comps/editorState"; |
| 18 | +import { executeQueryAction, routeByNameAction } from "lowcoder-core"; |
| 19 | + |
| 20 | +const convertMessage = (message: ThreadMessageLike) => { |
| 21 | + return message; |
| 22 | +}; |
| 23 | + |
14 | 24 | export const ChatView = React.memo((props: ChatCompProps) => {
|
15 |
| - // Create proper runtime using useChatRuntime |
16 |
| - const runtime = useChatRuntime({ |
17 |
| - api: props.modelHost, |
18 |
| - stream: props.streaming, |
19 |
| - modelType: props.modelType as any, |
20 |
| - systemPrompt: props.systemPrompt, |
21 |
| - agent: props.agent, |
22 |
| - maxTurns: props.maxInteractions, |
23 |
| - } as any); |
| 25 | + const [messages, setMessages] = useState<readonly ThreadMessageLike[]>([]); |
| 26 | + const editorState = useContext(EditorContext); |
| 27 | + |
| 28 | + const onNew = async (message: AppendMessage) => { |
| 29 | + if (message.content.length !== 1 || message.content[0]?.type !== "text") { |
| 30 | + throw new Error("Only text content is supported"); |
| 31 | + } |
| 32 | + |
| 33 | + // Add user message immediately |
| 34 | + const userMessage: ThreadMessageLike = { |
| 35 | + role: "user", |
| 36 | + content: [{ type: "text", text: message.content[0].text }], |
| 37 | + }; |
| 38 | + setMessages((currentMessages) => [...currentMessages, userMessage]); |
| 39 | + |
| 40 | + try { |
| 41 | + // Execute the selected Lowcoder query |
| 42 | + if (props.chatQuery) { |
| 43 | + // Prepare query arguments with chat context |
| 44 | + const queryArgs = { |
| 45 | + message: message.content[0].text, |
| 46 | + systemPrompt: props.systemPrompt, |
| 47 | + streaming: props.streaming, |
| 48 | + agent: props.agent, |
| 49 | + maxInteractions: props.maxInteractions, |
| 50 | + modelType: props.modelType, |
| 51 | + // Pass entire conversation history for context |
| 52 | + messages: messages.concat([userMessage]).map(msg => ({ |
| 53 | + role: msg.role, |
| 54 | + content: Array.isArray(msg.content) && msg.content[0] && typeof msg.content[0] === "object" && "text" in msg.content[0] |
| 55 | + ? msg.content[0].text |
| 56 | + : typeof msg.content === "string" ? msg.content : "" |
| 57 | + })) |
| 58 | + }; |
| 59 | + |
| 60 | + // Execute the query through Lowcoder's query system |
| 61 | + const result = await new Promise((resolve, reject) => { |
| 62 | + const queryComp = editorState?.getQueriesComp() |
| 63 | + .getView() |
| 64 | + .find(q => q.children.name.getView() === props.chatQuery); |
| 65 | + |
| 66 | + if (!queryComp) { |
| 67 | + reject(new Error(`Query "${props.chatQuery}" not found`)); |
| 68 | + return; |
| 69 | + } |
| 70 | + |
| 71 | + queryComp.dispatch( |
| 72 | + executeQueryAction({ |
| 73 | + args: queryArgs, |
| 74 | + afterExecFunc: () => { |
| 75 | + const queryResult = queryComp.children.data.getView(); |
| 76 | + resolve(queryResult); |
| 77 | + } |
| 78 | + }) |
| 79 | + ); |
| 80 | + }); |
| 81 | + |
| 82 | + // Add assistant response |
| 83 | + const assistantMessage: ThreadMessageLike = { |
| 84 | + role: "assistant", |
| 85 | + content: [{ |
| 86 | + type: "text", |
| 87 | + text: typeof result === "string" |
| 88 | + ? result |
| 89 | + : (result as any)?.message || (result as any)?.response || "No response" |
| 90 | + }], |
| 91 | + }; |
| 92 | + setMessages((currentMessages) => [...currentMessages, assistantMessage]); |
| 93 | + |
| 94 | + } else { |
| 95 | + // Fallback response when no query is selected |
| 96 | + const assistantMessage: ThreadMessageLike = { |
| 97 | + role: "assistant", |
| 98 | + content: [{ type: "text", text: "Please select a chat query in the component properties." }], |
| 99 | + }; |
| 100 | + setMessages((currentMessages) => [...currentMessages, assistantMessage]); |
| 101 | + } |
| 102 | + } catch (error) { |
| 103 | + // Error handling |
| 104 | + const errorMessage: ThreadMessageLike = { |
| 105 | + role: "assistant", |
| 106 | + content: [{ |
| 107 | + type: "text", |
| 108 | + text: `Error: ${error instanceof Error ? error.message : "Unknown error occurred"}` |
| 109 | + }], |
| 110 | + }; |
| 111 | + setMessages((currentMessages) => [...currentMessages, errorMessage]); |
| 112 | + } |
| 113 | + }; |
| 114 | + |
| 115 | + const runtime = useExternalStoreRuntime<ThreadMessageLike>({ |
| 116 | + messages, |
| 117 | + setMessages, |
| 118 | + onNew, |
| 119 | + convertMessage, |
| 120 | + }); |
24 | 121 |
|
25 | 122 | return (
|
26 | 123 | <AssistantRuntimeProvider runtime={runtime}>
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