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[Feat]: file attachments support for chat component #1893

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[Feat]: file attachments support for chat component #1893

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d318b7e
add file attachments support for chat component
iamfaran Jul 23, 2025
68d4f84
fix current message update text
iamfaran Jul 24, 2025
a01bb75
optimize history
iamfaran Jul 24, 2025
a2160b9
improve attachment logic
iamfaran Jul 24, 2025
c845adc
replace shadcn dialog with antD modal
iamfaran Jul 25, 2025
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36 changes: 30 additions & 6 deletions client/packages/lowcoder/src/comps/comps/chatComp/chatComp.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -80,13 +80,37 @@ export const ChatEventHandlerControl = eventHandlerControl(ChatEventOptions);
export function addSystemPromptToHistory(
conversationHistory: ChatMessage[],
systemPrompt: string
): Array<{ role: string; content: string; timestamp: number }> {
): Array<{ role: string; content: string; timestamp: number; attachments?: any[] }> {
// Format conversation history for use in queries
const formattedHistory = conversationHistory.map(msg => ({
role: msg.role,
content: msg.text,
timestamp: msg.timestamp
}));
const formattedHistory = conversationHistory.map(msg => {
const baseMessage = {
role: msg.role,
content: msg.text,
timestamp: msg.timestamp
};

// Include attachment metadata if present (for API calls and external integrations)
if (msg.attachments && msg.attachments.length > 0) {
return {
...baseMessage,
attachments: msg.attachments.map(att => ({
id: att.id,
type: att.type,
name: att.name,
contentType: att.contentType,
// Include content for images (base64 data URLs are useful for APIs)
...(att.type === "image" && att.content && {
content: att.content.map(c => ({
type: c.type,
...(c.type === "image" && { image: c.image })
}))
})
}))
};
}

return baseMessage;
});

// Create system message (always exists since we have default)
const systemMessage = [{
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15 changes: 9 additions & 6 deletions client/packages/lowcoder/src/comps/comps/chatComp/components/ChatCore.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import React from "react";
import { ChatProvider } from "./context/ChatContext";
import { ChatCoreMain } from "./ChatCoreMain";
import { ChatCoreProps } from "../types/chatTypes";
import { TooltipProvider } from "@radix-ui/react-tooltip";

// ============================================================================
// CHAT CORE - THE SHARED FOUNDATION
Expand All @@ -18,14 +19,16 @@ export function ChatCore({
onEvent
}: ChatCoreProps) {
return (
<ChatProvider storage={storage}>
<ChatCoreMain
messageHandler={messageHandler}
<TooltipProvider>
<ChatProvider storage={storage}>
<ChatCoreMain
messageHandler={messageHandler}
placeholder={placeholder}
onMessageUpdate={onMessageUpdate}
onConversationUpdate={onConversationUpdate}
onEvent={onEvent}
/>
</ChatProvider>
onEvent={onEvent}
/>
</ChatProvider>
</TooltipProvider>
);
}
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