Merge pull request #292 from langflow-ai/fix/chat-input-design

fix: makes chat input design, adds context files the right way

frontend/components/knowledge-search-input.tsx

@@ -1,15 +1,15 @@
-import { useKnowledgeFilter } from "@/contexts/knowledge-filter-context";
+import { ArrowRight, Search, X } from "lucide-react";
 import {
-  ChangeEvent,
+	type ChangeEvent,
-  FormEvent,
+	type FormEvent,
 	useCallback,
 	useEffect,
 	useState,
 } from "react";
-import { filterAccentClasses } from "./knowledge-filter-panel";
-import { ArrowRight, Search, X } from "lucide-react";
 import { Button } from "@/components/ui/button";
+import { useKnowledgeFilter } from "@/contexts/knowledge-filter-context";
 import { cn } from "@/lib/utils";
+import { filterAccentClasses } from "./knowledge-filter-panel";
 
 export const KnowledgeSearchInput = () => {
 	const {
@@ -27,7 +27,7 @@ export const KnowledgeSearchInput = () => {
 			if (e) e.preventDefault();
 			setQueryOverride(searchQueryInput.trim());
 		},
-    [searchQueryInput, setQueryOverride]
+		[searchQueryInput, setQueryOverride],
 	);
 
 	// Reset the query text when the selected filter changes
@@ -48,7 +48,7 @@ export const KnowledgeSearchInput = () => {
 							filterAccentClasses[parsedFilterData?.color || "zinc"]
 						}`}
 					>
-            <span className="truncate">{selectedFilter?.name}</span>
+						<span className="truncate text-xs font-medium">{selectedFilter?.name}</span>
 						<X
 							aria-label="Remove filter"
 							className="h-4 w-4 flex-shrink-0 cursor-pointer"
@@ -88,7 +88,7 @@ export const KnowledgeSearchInput = () => {
 					variant="ghost"
 					className={cn(
 						"h-full rounded-sm !px-1.5 !py-0 hidden group-focus-within/input:block",
-            searchQueryInput && "block"
+						searchQueryInput && "block",
 					)}
 					type="submit"
 				>

frontend/components/navigation.tsx

@@ -22,6 +22,7 @@ import {
 } from "@/components/ui/dropdown-menu";
 import { type EndpointType, useChat } from "@/contexts/chat-context";
 import { useKnowledgeFilter } from "@/contexts/knowledge-filter-context";
+import { FILES_REGEX } from "@/lib/constants";
 import { cn } from "@/lib/utils";
 import { useLoadingStore } from "@/stores/loadingStore";
 import { DeleteSessionModal } from "./delete-session-modal";
@@ -81,6 +82,7 @@ export function Navigation({
 		setCurrentConversationId,
 		startNewConversation,
 		conversationDocs,
+		conversationData,
 		addConversationDoc,
 		refreshConversations,
 		placeholderConversation,
@@ -110,7 +112,7 @@ export function Navigation({
 			) {
 				// Filter out the deleted conversation and find the next one
 				const remainingConversations = conversations.filter(
-          conv => conv.response_id !== conversationToDelete.response_id
+					(conv) => conv.response_id !== conversationToDelete.response_id,
 				);
 
 				if (remainingConversations.length > 0) {
@@ -131,7 +133,7 @@ export function Navigation({
 			setDeleteModalOpen(false);
 			setConversationToDelete(null);
 		},
-    onError: error => {
+		onError: (error) => {
 			toast.error(`Failed to delete conversation: ${error.message}`);
 		},
 	});
@@ -163,7 +165,7 @@ export function Navigation({
 		window.dispatchEvent(
 			new CustomEvent("fileUploadStart", {
 				detail: { filename: file.name },
-      })
+			}),
 		);
 
 		try {
@@ -187,7 +189,7 @@ export function Navigation({
 							filename: file.name,
 							error: "Failed to process document",
 						},
-          })
+					}),
 				);
 
 				// Trigger loading end event
@@ -207,7 +209,7 @@ export function Navigation({
 			window.dispatchEvent(
 				new CustomEvent("fileUploaded", {
 					detail: { file, result },
-        })
+				}),
 			);
 
 			// Trigger loading end event
@@ -221,7 +223,7 @@ export function Navigation({
 			window.dispatchEvent(
 				new CustomEvent("fileUploadError", {
 					detail: { filename: file.name, error: "Failed to process document" },
-        })
+				}),
 			);
 		}
 	};
@@ -243,7 +245,7 @@ export function Navigation({
 
 	const handleDeleteConversation = (
 		conversation: ChatConversation,
-    event?: React.MouseEvent
+		event?: React.MouseEvent,
 	) => {
 		if (event) {
 			event.preventDefault();
@@ -255,7 +257,7 @@ export function Navigation({
 
 	const handleContextMenuAction = (
 		action: string,
-    conversation: ChatConversation
+		conversation: ChatConversation,
 	) => {
 		switch (action) {
 			case "delete":
@@ -329,11 +331,19 @@ export function Navigation({
 		setCurrentConversationId,
 	]);
 
+	const newConversationFiles = conversationData?.messages
+		.filter(
+			(message) =>
+				message.role === "user" &&
+				(message.content.match(FILES_REGEX)?.[0] ?? null) !== null,
+		)
+		.map((message) => message.content.match(FILES_REGEX)?.[0] ?? null);
+
 	return (
 		<div className="flex flex-col h-full bg-background">
 			<div className="px-4 py-2 flex-shrink-0">
 				<div className="space-y-1">
-          {routes.map(route => (
+					{routes.map((route) => (
 						<div key={route.href}>
 							<Link
 								href={route.href}
@@ -341,7 +351,7 @@ export function Navigation({
 									"text-[13px] group flex p-3 w-full justify-start font-medium cursor-pointer hover:bg-accent hover:text-accent-foreground rounded-lg transition-all",
 									route.active
 										? "bg-accent text-accent-foreground shadow-sm"
-                    : "text-foreground hover:text-accent-foreground"
+										: "text-foreground hover:text-accent-foreground",
 								)}
 							>
 								<div className="flex items-center flex-1">
@@ -350,7 +360,7 @@ export function Navigation({
 											"h-[18px] w-[18px] mr-2 shrink-0",
 											route.active
 												? "text-muted-foreground"
-                        : "text-muted-foreground group-hover:text-muted-foreground"
+												: "text-muted-foreground group-hover:text-muted-foreground",
 										)}
 									/>
 									{route.label}
@@ -428,7 +438,7 @@ export function Navigation({
 											No conversations yet
 										</div>
 									) : (
-                    conversations.map(conversation => (
+										conversations.map((conversation) => (
 											<button
 												key={conversation.response_id}
 												type="button"
@@ -466,10 +476,10 @@ export function Navigation({
 																title="More options"
 																role="button"
 																tabIndex={0}
-                                onClick={e => {
+																onClick={(e) => {
 																	e.stopPropagation();
 																}}
-                                onKeyDown={e => {
+																onKeyDown={(e) => {
 																	if (e.key === "Enter" || e.key === " ") {
 																		e.preventDefault();
 																		e.stopPropagation();
@@ -483,14 +493,14 @@ export function Navigation({
 															side="bottom"
 															align="end"
 															className="w-48"
-                              onClick={e => e.stopPropagation()}
+															onClick={(e) => e.stopPropagation()}
 														>
 															<DropdownMenuItem
-                                onClick={e => {
+																onClick={(e) => {
 																	e.stopPropagation();
 																	handleContextMenuAction(
 																		"delete",
-                                    conversation
+																		conversation,
 																	);
 																}}
 																className="cursor-pointer text-destructive focus:text-destructive"
@@ -508,7 +518,7 @@ export function Navigation({
 							)}
 						</div>
 
-            {/* Conversation Knowledge Section - appears right after last conversation */}
+						{/* Conversation Knowledge Section - appears right after last conversation
             <div className="flex-shrink-0 mt-4">
               <div className="flex items-center justify-between mb-3 mx-3">
                 <h3 className="text-xs font-medium text-muted-foreground">
@@ -551,6 +561,28 @@ export function Navigation({
                   ))
                 )}
               </div>
+            </div> */}
+						<div className="flex-shrink-0 mt-4">
+							<div className="flex items-center justify-between mb-3 mx-3">
+								<h3 className="text-xs font-medium text-muted-foreground">
+									Files
+								</h3>
+							</div>
+							<div className="overflow-y-auto scrollbar-hide space-y-1">
+								{newConversationFiles?.length === 0 ? (
+									<div className="text-[13px] text-muted-foreground py-2 px-3">
+										No documents yet
+									</div>
+								) : (
+									newConversationFiles?.map((file) => (
+											<div key={`${file}`} className="flex-1 min-w-0 px-3">
+												<div className="text-mmd font-medium text-foreground truncate">
+													{file}
+												</div>
+											</div>
+									))
+								)}
+							</div>
 						</div>
 					</div>
 				</div>

frontend/src/app/chat/components/chat-input.tsx

@@ -1,4 +1,4 @@
-import { Check, Funnel, Loader2, Plus, X } from "lucide-react";
+import { ArrowRight, Check, Funnel, Loader2, Plus, X } from "lucide-react";
 import { forwardRef, useImperativeHandle, useRef } from "react";
 import TextareaAutosize from "react-textarea-autosize";
 import type { FilterColor } from "@/components/filter-icon-popover";
@@ -82,69 +82,33 @@ export const ChatInput = forwardRef<ChatInputHandle, ChatInputProps>(
 		}));
 
 		return (
-			<div className="pb-8 flex px-6">
 				<div className="w-full">
 					<form onSubmit={onSubmit} className="relative">
-						<div className="relative w-full bg-muted/20 rounded-lg border border-border/50 focus-within:ring-1 focus-within:ring-ring">
+						<div className="relative flex items-center w-full p-2 gap-2 rounded-xl border border-input focus-within:ring-1 focus-within:ring-ring">
-							{selectedFilter && (
+							{selectedFilter ? (
-								<div className="flex items-center gap-2 px-4 pt-3 pb-1">
 								<span
-										className={`inline-flex items-center gap-1 px-2 py-1 rounded-full text-xs font-medium transition-colors ${
+									className={`inline-flex items-center p-1 rounded-sm text-xs font-medium transition-colors ${
 										filterAccentClasses[parsedFilterData?.color || "zinc"]
 									}`}
 								>
-										@filter:{selectedFilter.name}
+									{selectedFilter.name}
 									<button
 										type="button"
 										onClick={() => {
 											setSelectedFilter(null);
 											setIsFilterHighlighted(false);
 										}}
-											className="ml-1 rounded-full p-0.5"
+										className="ml-0.5 rounded-full p-0.5"
 									>
-											<X className="h-3 w-3" />
+										<X className="h-4 w-4" />
 									</button>
 								</span>
-								</div>
+							) : (
-							)}
-							<div
-								className="relative"
-								style={{ height: `${textareaHeight + 60}px` }}
-							>
-								<TextareaAutosize
-									ref={inputRef}
-									value={input}
-									onChange={onChange}
-									onKeyDown={onKeyDown}
-									onHeightChange={onHeightChange}
-									maxRows={7}
-									minRows={2}
-									placeholder="Type to ask a question..."
-									disabled={loading}
-									className={`w-full bg-transparent px-4 ${
-										selectedFilter ? "pt-2" : "pt-4"
-									} focus-visible:outline-none resize-none`}
-									rows={2}
-								/>
-								{/* Safe area at bottom for buttons */}
-								<div
-									className="absolute bottom-0 left-0 right-0 bg-transparent pointer-events-none"
-									style={{ height: "60px" }}
-								/>
-							</div>
-						</div>
-						<input
-							ref={fileInputRef}
-							type="file"
-							onChange={onFilePickerChange}
-							className="hidden"
-							accept=".pdf,.doc,.docx,.txt,.md,.rtf,.odt"
-						/>
 								<Button
 									type="button"
-							variant="outline"
+									variant="ghost"
 									size="iconSm"
-							className="absolute bottom-3 left-3 h-8 w-8 p-0 rounded-full hover:bg-muted/50"
+									className="h-8 w-8 p-0 rounded-md hover:bg-muted/50"
 									onMouseDown={(e) => {
 										e.preventDefault();
 									}}
@@ -153,6 +117,57 @@ export const ChatInput = forwardRef<ChatInputHandle, ChatInputProps>(
 								>
 									<Funnel className="h-4 w-4" />
 								</Button>
+							)}
+							<div
+								className="relative flex-1"
+								style={{ height: `${textareaHeight}px` }}
+							>
+								<TextareaAutosize
+									ref={inputRef}
+									value={input}
+									onChange={onChange}
+									onKeyDown={onKeyDown}
+									onHeightChange={onHeightChange}
+									maxRows={7}
+									minRows={1}
+									placeholder="Ask a question..."
+									disabled={loading}
+									className={`w-full text-sm bg-transparent focus-visible:outline-none resize-none`}
+									rows={1}
+								/>
+							</div>
+							<Button
+								type="button"
+								variant="ghost"
+								size="iconSm"
+								onClick={onFilePickerClick}
+								disabled={isUploading}
+								className="h-8 w-8 p-0 !rounded-md hover:bg-muted/50"
+							>
+								<Plus className="h-4 w-4" />
+							</Button>
+							<Button
+								variant="default"
+								type="submit"
+								size="iconSm"
+								disabled={!input.trim() || loading}
+								className="!rounded-md h-8 w-8 p-0"
+							>
+								{loading ? (
+									<Loader2 className="h-4 w-4 animate-spin" />
+								) : (
+									<ArrowRight className="h-4 w-4" />
+								)}
+							</Button>
+						</div>
+						<input
+							ref={fileInputRef}
+							type="file"
+							onChange={onFilePickerChange}
+							className="hidden"
+							accept=".pdf,.doc,.docx,.txt,.md,.rtf,.odt"
+						/>
+
 						<Popover
 							open={isFilterDropdownOpen}
 							onOpenChange={(open) => {
@@ -257,26 +272,8 @@ export const ChatInput = forwardRef<ChatInputHandle, ChatInputProps>(
 								</div>
 							</PopoverContent>
 						</Popover>
-						<Button
-							type="button"
-							variant="outline"
-							size="iconSm"
-							onClick={onFilePickerClick}
-							disabled={isUploading}
-							className="absolute bottom-3 left-12 h-8 w-8 p-0 rounded-full hover:bg-muted/50"
-						>
-							<Plus className="h-4 w-4" />
-						</Button>
-						<Button
-							type="submit"
-							disabled={!input.trim() || loading}
-							className="absolute bottom-3 right-3 rounded-lg h-10 px-4"
-						>
-							{loading ? <Loader2 className="h-4 w-4 animate-spin" /> : "Send"}
-						</Button>
 					</form>
 				</div>
-			</div>
 		);
 	},
 );

frontend/src/app/chat/components/user-message.tsx

@@ -1,4 +1,4 @@
-import { User } from "lucide-react";
+import { FileText, User } from "lucide-react";
 import { motion } from "motion/react";
 import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
 import { useAuth } from "@/contexts/auth-context";
@@ -9,12 +9,12 @@ interface UserMessageProps {
 	content: string;
 	isCompleted?: boolean;
 	animate?: boolean;
+	files?: string;
 }
 
-export function UserMessage({ content, isCompleted, animate = true }: UserMessageProps) {
+export function UserMessage({ content, isCompleted, animate = true, files }: UserMessageProps) {
 	const { user } = useAuth();
 
-	console.log("animate", animate);
 
 	return (
 		<motion.div
@@ -38,6 +38,12 @@ export function UserMessage({ content, isCompleted, animate = true }: UserMessag
 					</Avatar>
 				}
 			>
+				{files && (
+					<p className="text-muted-foreground flex items-center gap-2 font-normal text-mmd py-1.5 whitespace-pre-wrap break-words overflow-wrap-anywhere transition-colors duration-300">
+						<FileText className="h-4 w-4" />
+						{files}
+					</p>
+				)}
 				<p
 					className={cn(
 						"text-foreground text-sm py-1.5 whitespace-pre-wrap break-words overflow-wrap-anywhere transition-colors duration-300",

frontend/src/app/chat/page.tsx

@@ -9,6 +9,7 @@ import { type EndpointType, useChat } from "@/contexts/chat-context";
 import { useKnowledgeFilter } from "@/contexts/knowledge-filter-context";
 import { useTask } from "@/contexts/task-context";
 import { useChatStreaming } from "@/hooks/useChatStreaming";
+import { FILES_REGEX } from "@/lib/constants";
 import { useLoadingStore } from "@/stores/loadingStore";
 import { useGetNudgesQuery } from "../api/queries/useGetNudgesQuery";
 import { AssistantMessage } from "./components/assistant-message";
@@ -1182,17 +1183,40 @@ function ChatPage() {
 					) : (
 						<>
 							{messages.map((message, index) => (
+								<>
+									{message.role === "user" &&
+										(messages[index]?.content.match(FILES_REGEX)?.[0] ??
+											null) === null && (
 											<div
 												key={`${
 													message.role
 												}-${index}-${message.timestamp?.getTime()}`}
 												className="space-y-6 group"
 											>
-									{message.role === "user" && (
+												<UserMessage
-										<UserMessage animate={message.source !== "langflow"} content={message.content} />
+													animate={message.source !== "langflow"}
+													content={message.content}
+													files={
+														index >= 2
+															? (messages[index - 2]?.content.match(
+																	FILES_REGEX,
+																)?.[0] ?? undefined)
+															: undefined
+													}
+												/>
+											</div>
 										)}
 
-									{message.role === "assistant" && (
+									{message.role === "assistant" &&
+										(index < 1 ||
+											(messages[index - 1]?.content.match(FILES_REGEX)?.[0] ??
+												null) === null) && (
+											<div
+												key={`${
+													message.role
+												}-${index}-${message.timestamp?.getTime()}`}
+												className="space-y-6 group"
+											>
 												<AssistantMessage
 													content={message.content}
 													functionCalls={message.functionCalls}
@@ -1203,8 +1227,9 @@ function ChatPage() {
 													onFork={(e) => handleForkConversation(index, e)}
 													animate={false}
 												/>
-									)}
 											</div>
+										)}
+								</>
 							))}
 
 							{/* Streaming Message Display */}
@@ -1231,7 +1256,7 @@ function ChatPage() {
 					)}
 				</div>
 			</StickToBottom.Content>
-
+			<div className="p-6 pt-0 max-w-[960px] mx-auto w-full">
 				{/* Input Area - Fixed at bottom */}
 				<ChatInput
 					ref={chatInputRef}
@@ -1258,6 +1283,7 @@ function ChatPage() {
 					setIsFilterHighlighted={setIsFilterHighlighted}
 					setIsFilterDropdownOpen={setIsFilterDropdownOpen}
 				/>
+			</div>
 		</>
 	);
 }

frontend/src/lib/constants.ts

@@ -33,3 +33,6 @@ export const TOTAL_ONBOARDING_STEPS = 3;
  * Local Storage Keys
  */
 export const ONBOARDING_STEP_KEY = "onboarding_current_step";
+
+export const FILES_REGEX =
+		/(?<=I'm uploading a document called ['"])[^'"]+\.[^.]+(?=['"]\. Here is its content:)/;

src/api/upload.py

@@ -100,12 +100,11 @@ async def upload_context(
     previous_response_id = form.get("previous_response_id")
     endpoint = form.get("endpoint", "langflow")
     
-    jwt_token = session_manager.get_effective_jwt_token(user_id, request.state.jwt_token)
-
     # Get user info from request state (set by auth middleware)
     user = request.state.user
     user_id = user.user_id if user else None
 
+    jwt_token = session_manager.get_effective_jwt_token(user_id, request.state.jwt_token)
     # Process document and extract content
     doc_result = await document_service.process_upload_context(upload_file, filename)