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+'use client';
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+
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+import { memo, useCallback, useEffect, useRef, useState } from 'react';
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+import { View } from 'app/design/view';
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+import { Text } from 'app/design/typography';
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+import { NeoButton, NeoButtonLink, Modal } from 'app/design/controls';
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+import { fetcher } from 'app/lib/fetcher';
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+import { useTranslation } from 'react-i18next';
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+
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+// A link the chat waits for (e.g. OAuth in another tab): poll every 3 s, give up after 10 min.
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+const WATCH_INTERVAL = 3000;
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+const WATCH_TIMEOUT = 10 * 60 * 1000;
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+
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+export type ChatAction = {
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+ type: 'reply' | 'link' | 'form';
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+ label: string;
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+ message?: string;
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+ url?: string;
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+ checkUrl?: string;
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+ formUrl?: string;
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+};
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+
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+type ChatActionsProps = {
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+ actions: ChatAction[];
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+ onReply?: (message: string) => Promise<boolean> | boolean;
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+ repliesEnabled: boolean;
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+ chosenReply?: string;
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+};
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+
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+type OpenForm = {
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+ Block: any;
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+ block: { content: any; designbox_id: number; title: string };
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+ message?: string;
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+};
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+
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+type Watch = { checkUrl: string; message?: string; until: number };
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+
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+/**
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+ * The quick-reply / link / form buttons an assistant message can carry.
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+ *
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+ * Selection has one authority: `chosenReply`, derived by the parent from the user
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+ * message that actually followed this bubble. `pending` is only an optimistic bridge
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+ * covering the round-trip, cleared once the transcript confirms the choice or the
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+ * send reports failure.
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+ *
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+ * A form button opens the site form (`/api.php?r={formUrl}`) in a popup over the chat;
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+ * once the form is saved the popup closes and the action `message` is sent.
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+ *
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+ * A link with `checkUrl` opens as usual, then the chat polls `/api.php?r={checkUrl}`
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+ * and sends the link `message` itself once it answers `done`.
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+ */
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+function ChatActionsImpl({ actions, onReply, repliesEnabled, chosenReply = '' }: Readonly<ChatActionsProps>) {
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+ const { t } = useTranslation();
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+ const [pending, setPending] = useState('');
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+ const [form, setForm] = useState<OpenForm | null>(null);
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+ const [opening, setOpening] = useState(false);
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+ const [formError, setFormError] = useState('');
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+ // Several buttons may send the same answer: only the pressed one reads as chosen.
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+ const [pressedIndex, setPressedIndex] = useState<number | null>(null);
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+ const selected = chosenReply || pending;
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+
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+ useEffect(() => {
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+ if (chosenReply) setPending('');
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+ }, [chosenReply]);
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+
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+ const press = useCallback(async (message: string) => {
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+ setPending(message);
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+ const sent = await onReply?.(message);
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+ if (!sent) setPending('');
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+ }, [onReply]);
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+
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+ const openForm = useCallback(async (action: ChatAction) => {
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+ setOpening(true);
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+ setFormError('');
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+ try {
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+ // Loaded on demand: the block renderer imports the component registry,
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+ // which in turn imports this chat.
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+ const [{ BlockByDataInt }, response] = await Promise.all([
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+ import('app/components/block'),
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+ fetcher(`/api.php?r=${action.formUrl}`),
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+ ]);
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+ if (!response?.data) throw new Error('empty form');
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+ setForm({
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+ Block: BlockByDataInt,
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+ block: { content: response.data, designbox_id: 0, title: action.label },
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+ message: action.message,
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+ });
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+ } catch {
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+ // The button stays enabled, so pressing it again retries.
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+ setFormError(t('Something went wrong'));
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+ } finally {
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+ setOpening(false);
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+ }
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+ }, [t]);
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+
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+ const closeForm = useCallback(() => setForm(null), []);
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+
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+ // Latest press / repliesEnabled for the polling loop, which outlives renders.
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+ const pressRef = useRef(press);
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+ const repliesEnabledRef = useRef(repliesEnabled);
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+ useEffect(() => {
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+ pressRef.current = press;
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+ repliesEnabledRef.current = repliesEnabled;
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+ }, [press, repliesEnabled]);
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+
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+ const [watch, setWatch] = useState<Watch | null>(null);
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+
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+ useEffect(() => {
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+ if (!watch) return undefined;
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+
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+ // Chained timeouts instead of an interval: the next check starts only after
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+ // the previous one answered, so slow responses never overlap.
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+ let stopped = false;
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+ let timer: ReturnType<typeof setTimeout> | undefined;
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+ const check = async () => {
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+ if (stopped) return;
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+ if (Date.now() > watch.until) {
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+ setWatch(null);
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+ return;
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+ }
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+ try {
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+ const response = await fetcher(`/api.php?r=${watch.checkUrl}`);
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+ if (stopped) return;
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+ if (response?.data?.done) {
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+ stopped = true;
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+ setWatch(null);
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+ if (watch.message && repliesEnabledRef.current) void pressRef.current(watch.message);
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+ return;
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+ }
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+ } catch {
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+ // Network hiccup: keep waiting until the timeout.
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+ }
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+ if (!stopped) timer = setTimeout(check, WATCH_INTERVAL);
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+ };
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+ timer = setTimeout(check, WATCH_INTERVAL);
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+
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+ return () => {
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+ stopped = true;
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+ if (timer) clearTimeout(timer);
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+ };
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+ }, [watch]);
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+
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+ // The form calls onFormEmpty once the server answered the submit with "done";
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+ // closing the popup with its X does not, so only a saved form sends the answer.
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+ const completeForm = useCallback(() => {
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+ const message = form?.message;
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+ setForm(null);
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+ if (message && repliesEnabled) void press(message);
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+ }, [form, press, repliesEnabled]);
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+
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+ if (!actions.length) return null;
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+
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+ const firstSelectedIndex = selected ? actions.findIndex((action) => action.message === selected) : -1;
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+
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+ return (
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+ <View className="flex-row flex-wrap gap-2 mt-2 max-w-full">
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+ {actions.map((action, index) => {
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+ const isSelected = !!action.message && action.message === selected
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+ && (pressedIndex !== null && actions[pressedIndex]?.message === selected ? pressedIndex === index : firstSelectedIndex === index);
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+ // Index is part of the key: an agent may repeat a label ("Other", "Other").
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+ const key = `${action.type}:${action.label}:${index}`;
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+ const buttonProps = {
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+ label: action.label,
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+ style: isSelected ? 'glassProminent' : 'bordered',
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+ controlSize: 'small',
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+ borderShape: 'rounded',
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+ };
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+ if (action.type === 'link') {
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+ const checkUrl = action.checkUrl;
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+ const startWatch = checkUrl
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+ ? () => {
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+ setPressedIndex(index);
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+ setWatch({ checkUrl, message: action.message, until: Date.now() + WATCH_TIMEOUT });
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+ }
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+ : undefined;
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+ return <NeoButtonLink key={key} {...buttonProps} href={action.url} target="_blank" onPress={startWatch} />;
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+ }
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+ if (action.type === 'form') {
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+ return (
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+ <NeoButton
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+ key={key}
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+ {...buttonProps}
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+ selected={isSelected}
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+ disabled={opening}
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+ onPress={() => {
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+ setPressedIndex(index);
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+ void openForm(action);
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+ }}
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+ />
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+ );
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+ }
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+ return (
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+ <NeoButton
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+ key={key}
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+ {...buttonProps}
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+ selected={isSelected}
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+ disabled={!isSelected && !repliesEnabled}
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+ onPress={() => {
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+ if (!repliesEnabled || isSelected || !action.message) return;
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+ setPressedIndex(index);
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+ void press(action.message);
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+ }}
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+ />
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+ );
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+ })}
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+ {!!formError && <Text className="w-full text-destructive text-sm">{formError}</Text>}
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+ {form && (
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+ <Modal scrollable={true} title={form.block.title} onVisible={true} onClose={closeForm}>
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+ <form.Block block={form.block} onFormEmpty={completeForm} />
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+ </Modal>
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+ )}
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+ </View>
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+ );
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+}
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+
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+export const ChatActions = memo(ChatActionsImpl);
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