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import { useSelector } from "react-redux";
import React from "react";
import posthog from "posthog-js";
import { useParams } from "react-router";
import { useTranslation } from "react-i18next";
import { I18nKey } from "#/i18n/declaration";
import { convertImageToBase64 } from "#/utils/convert-image-to-base-64";
import { TrajectoryActions } from "../trajectory/trajectory-actions";
import { createChatMessage } from "#/services/chat-service";
import { InteractiveChatBox } from "./interactive-chat-box";
import { RootState } from "#/store";
import { AgentState } from "#/types/agent-state";
import { generateAgentStateChangeEvent } from "#/services/agent-state-service";
import { FeedbackModal } from "../feedback/feedback-modal";
import { useScrollToBottom } from "#/hooks/use-scroll-to-bottom";
import { TypingIndicator } from "./typing-indicator";
import { useWsClient } from "#/context/ws-client-provider";
import { Messages } from "./messages";
import { ChatSuggestions } from "./chat-suggestions";
import { ActionSuggestions } from "./action-suggestions";
import { ScrollToBottomButton } from "#/components/shared/buttons/scroll-to-bottom-button";
import { LoadingSpinner } from "#/components/shared/loading-spinner";
import { useGetTrajectory } from "#/hooks/mutation/use-get-trajectory";
import { downloadTrajectory } from "#/utils/download-trajectory";
import { displayErrorToast } from "#/utils/custom-toast-handlers";
import { useOptimisticUserMessage } from "#/hooks/use-optimistic-user-message";
import { useWSErrorMessage } from "#/hooks/use-ws-error-message";
import { ErrorMessageBanner } from "./error-message-banner";
import { shouldRenderEvent } from "./event-content-helpers/should-render-event";
function getEntryPoint(
hasRepository: boolean | null,
hasReplayJson: boolean | null,
): string {
if (hasRepository) return "github";
if (hasReplayJson) return "replay";
return "direct";
}
export function ChatInterface() {
const { getErrorMessage } = useWSErrorMessage();
const { send, isLoadingMessages, parsedEvents } = useWsClient();
const { setOptimisticUserMessage, getOptimisticUserMessage } =
useOptimisticUserMessage();
const { t } = useTranslation();
const scrollRef = React.useRef<HTMLDivElement>(null);
const { scrollDomToBottom, onChatBodyScroll, hitBottom } =
useScrollToBottom(scrollRef);
const { curAgentState } = useSelector((state: RootState) => state.agent);
const [feedbackPolarity, setFeedbackPolarity] = React.useState<
"positive" | "negative"
>("positive");
const [feedbackModalIsOpen, setFeedbackModalIsOpen] = React.useState(false);
const [messageToSend, setMessageToSend] = React.useState<string | null>(null);
const { selectedRepository, replayJson } = useSelector(
(state: RootState) => state.initialQuery,
);
const params = useParams();
const { mutate: getTrajectory } = useGetTrajectory();
const optimisticUserMessage = getOptimisticUserMessage();
const errorMessage = getErrorMessage();
const events = parsedEvents.filter(shouldRenderEvent);
const handleSendMessage = async (content: string, files: File[]) => {
if (events.length === 0) {
posthog.capture("initial_query_submitted", {
entry_point: getEntryPoint(
selectedRepository !== null,
replayJson !== null,
),
query_character_length: content.length,
replay_json_size: replayJson?.length,
});
} else {
posthog.capture("user_message_sent", {
session_message_count: events.length,
current_message_length: content.length,
});
}
const promises = files.map((file) => convertImageToBase64(file));
const imageUrls = await Promise.all(promises);
const timestamp = new Date().toISOString();
send(createChatMessage(content, imageUrls, timestamp));
setOptimisticUserMessage(content);
setMessageToSend(null);
};
const handleStop = () => {
posthog.capture("stop_button_clicked");
send(generateAgentStateChangeEvent(AgentState.STOPPED));
};
const onClickShareFeedbackActionButton = async (
polarity: "positive" | "negative",
) => {
setFeedbackModalIsOpen(true);
setFeedbackPolarity(polarity);
};
const onClickExportTrajectoryButton = () => {
if (!params.conversationId) {
displayErrorToast(t(I18nKey.CONVERSATION$DOWNLOAD_ERROR));
return;
}
getTrajectory(params.conversationId, {
onSuccess: async (data) => {
await downloadTrajectory(
params.conversationId ?? t(I18nKey.CONVERSATION$UNKNOWN),
data.trajectory,
);
},
onError: () => {
displayErrorToast(t(I18nKey.CONVERSATION$DOWNLOAD_ERROR));
},
});
};
const isWaitingForUserInput =
curAgentState === AgentState.AWAITING_USER_INPUT ||
curAgentState === AgentState.FINISHED;
return (
<div className="h-full flex flex-col justify-between">
{events.length === 0 && !optimisticUserMessage && (
<ChatSuggestions onSuggestionsClick={setMessageToSend} />
)}
<div
ref={scrollRef}
onScroll={(e) => onChatBodyScroll(e.currentTarget)}
className="scrollbar scrollbar-thin scrollbar-thumb-gray-400 scrollbar-thumb-rounded-full scrollbar-track-gray-800 hover:scrollbar-thumb-gray-300 flex flex-col grow overflow-y-auto overflow-x-hidden px-4 pt-4 gap-2 fast-smooth-scroll"
>
{isLoadingMessages && (
<div className="flex justify-center">
<LoadingSpinner size="small" />
</div>
)}
{!isLoadingMessages && (
<Messages
messages={events}
isAwaitingUserConfirmation={
curAgentState === AgentState.AWAITING_USER_CONFIRMATION
}
/>
)}
{isWaitingForUserInput &&
events.length > 0 &&
!optimisticUserMessage && (
<ActionSuggestions
onSuggestionsClick={(value) => handleSendMessage(value, [])}
/>
)}
</div>
<div className="flex flex-col gap-[6px] px-4 pb-4">
<div className="flex justify-between relative">
<TrajectoryActions
onPositiveFeedback={() =>
onClickShareFeedbackActionButton("positive")
}
onNegativeFeedback={() =>
onClickShareFeedbackActionButton("negative")
}
onExportTrajectory={() => onClickExportTrajectoryButton()}
/>
<div className="absolute left-1/2 transform -translate-x-1/2 bottom-0">
{curAgentState === AgentState.RUNNING && <TypingIndicator />}
</div>
{!hitBottom && <ScrollToBottomButton onClick={scrollDomToBottom} />}
</div>
{errorMessage && <ErrorMessageBanner message={errorMessage} />}
<InteractiveChatBox
onSubmit={handleSendMessage}
onStop={handleStop}
isDisabled={
curAgentState === AgentState.LOADING ||
curAgentState === AgentState.AWAITING_USER_CONFIRMATION
}
mode={curAgentState === AgentState.RUNNING ? "stop" : "submit"}
value={messageToSend ?? undefined}
onChange={setMessageToSend}
/>
</div>
<FeedbackModal
isOpen={feedbackModalIsOpen}
onClose={() => setFeedbackModalIsOpen(false)}
polarity={feedbackPolarity}
/>
</div>
);
}
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