Fix: Fixed the issue that the content of the Dropdown section cannot be seen when selecting the next operator #3221 (#8918)

…be seen when selecting the next operator #3221

### What problem does this PR solve?
Fix: Fixed the issue that the content of the Dropdown section cannot be
seen when selecting the next operator #3221

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/pages/next-chats/hooks/use-send-shared-message.ts

@@ -0,0 +1,149 @@
+import { MessageType, SharedFrom } from '@/constants/chat';
+import { useCreateNextSharedConversation } from '@/hooks/chat-hooks';
+import {
+  useHandleMessageInputChange,
+  useSelectDerivedMessages,
+  useSendMessageWithSse,
+} from '@/hooks/logic-hooks';
+import { Message } from '@/interfaces/database/chat';
+import { message } from 'antd';
+import { get } from 'lodash';
+import trim from 'lodash/trim';
+import { useCallback, useEffect, useState } from 'react';
+import { useSearchParams } from 'umi';
+import { v4 as uuid } from 'uuid';
+
+const isCompletionError = (res: any) =>
+  res && (res?.response.status !== 200 || res?.data?.code !== 0);
+
+export const useSendButtonDisabled = (value: string) => {
+  return trim(value) === '';
+};
+
+export const useGetSharedChatSearchParams = () => {
+  const [searchParams] = useSearchParams();
+  const data_prefix = 'data_';
+  const data = Object.fromEntries(
+    searchParams
+      .entries()
+      .filter(([key, value]) => key.startsWith(data_prefix))
+      .map(([key, value]) => [key.replace(data_prefix, ''), value]),
+  );
+  return {
+    from: searchParams.get('from') as SharedFrom,
+    sharedId: searchParams.get('shared_id'),
+    locale: searchParams.get('locale'),
+    data: data,
+    visibleAvatar: searchParams.get('visible_avatar')
+      ? searchParams.get('visible_avatar') !== '1'
+      : true,
+  };
+};
+
+export const useSendSharedMessage = () => {
+  const {
+    from,
+    sharedId: conversationId,
+    data: data,
+  } = useGetSharedChatSearchParams();
+  const { createSharedConversation: setConversation } =
+    useCreateNextSharedConversation();
+  const { handleInputChange, value, setValue } = useHandleMessageInputChange();
+  const { send, answer, done, stopOutputMessage } = useSendMessageWithSse(
+    `/api/v1/${from === SharedFrom.Agent ? 'agentbots' : 'chatbots'}/${conversationId}/completions`,
+  );
+  const {
+    derivedMessages,
+    ref,
+    removeLatestMessage,
+    addNewestAnswer,
+    addNewestQuestion,
+  } = useSelectDerivedMessages();
+  const [hasError, setHasError] = useState(false);
+
+  const sendMessage = useCallback(
+    async (message: Message, id?: string) => {
+      const res = await send({
+        conversation_id: id ?? conversationId,
+        quote: true,
+        question: message.content,
+        session_id: get(derivedMessages, '0.session_id'),
+      });
+
+      if (isCompletionError(res)) {
+        // cancel loading
+        setValue(message.content);
+        removeLatestMessage();
+      }
+    },
+    [send, conversationId, derivedMessages, setValue, removeLatestMessage],
+  );
+
+  const handleSendMessage = useCallback(
+    async (message: Message) => {
+      if (conversationId !== '') {
+        sendMessage(message);
+      } else {
+        const data = await setConversation('user id');
+        if (data.code === 0) {
+          const id = data.data.id;
+          sendMessage(message, id);
+        }
+      }
+    },
+    [conversationId, setConversation, sendMessage],
+  );
+
+  const fetchSessionId = useCallback(async () => {
+    const payload = { question: '' };
+    const ret = await send({ ...payload, ...data });
+    if (isCompletionError(ret)) {
+      message.error(ret?.data.message);
+      setHasError(true);
+    }
+  }, [data, send]);
+
+  useEffect(() => {
+    fetchSessionId();
+  }, [fetchSessionId, send]);
+
+  useEffect(() => {
+    if (answer.answer) {
+      addNewestAnswer(answer);
+    }
+  }, [answer, addNewestAnswer]);
+
+  const handlePressEnter = useCallback(
+    (documentIds: string[]) => {
+      if (trim(value) === '') return;
+      const id = uuid();
+      if (done) {
+        setValue('');
+        addNewestQuestion({
+          content: value,
+          doc_ids: documentIds,
+          id,
+          role: MessageType.User,
+        });
+        handleSendMessage({
+          content: value.trim(),
+          id,
+          role: MessageType.User,
+        });
+      }
+    },
+    [addNewestQuestion, done, handleSendMessage, setValue, value],
+  );
+
+  return {
+    handlePressEnter,
+    handleInputChange,
+    value,
+    sendLoading: !done,
+    ref,
+    loading: false,
+    derivedMessages,
+    hasError,
+    stopOutputMessage,
+  };
+};