392 lines
14 KiB
JavaScript
392 lines
14 KiB
JavaScript
// src/views/Community/components/DynamicNewsCard.js
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// 横向滚动事件卡片组件（实时要闻·动态追踪）
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import React, { forwardRef, useState, useEffect, useMemo, useCallback, useRef } from 'react';
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import { useDispatch, useSelector } from 'react-redux';
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import {
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Card,
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CardHeader,
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CardBody,
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Box,
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Flex,
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VStack,
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HStack,
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Heading,
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Text,
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Badge,
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Center,
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Spinner,
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Modal,
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ModalOverlay,
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ModalContent,
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ModalHeader,
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ModalBody,
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ModalCloseButton,
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useColorModeValue,
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useToast,
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useDisclosure
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} from '@chakra-ui/react';
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import { TimeIcon } from '@chakra-ui/icons';
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import EventScrollList from './DynamicNewsCard/EventScrollList';
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import DynamicNewsDetailPanel from './DynamicNewsDetail';
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import UnifiedSearchBox from './UnifiedSearchBox';
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import {
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fetchDynamicNews,
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toggleEventFollow,
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selectEventFollowStatus,
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selectVerticalEventsWithLoading,
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selectFourRowEventsWithLoading
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} from '../../../store/slices/communityDataSlice';
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import { usePagination } from './DynamicNewsCard/hooks/usePagination';
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import { PAGINATION_CONFIG } from './DynamicNewsCard/constants';
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// 🔍 调试：渲染计数器
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let dynamicNewsCardRenderCount = 0;
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/**
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* 实时要闻·动态追踪 - 事件展示卡片组件
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* @param {Object} filters - 筛选条件
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* @param {Array} popularKeywords - 热门关键词
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* @param {Date} lastUpdateTime - 最后更新时间
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* @param {Function} onSearch - 搜索回调
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* @param {Function} onSearchFocus - 搜索框获得焦点回调
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* @param {Function} onEventClick - 事件点击回调
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* @param {Function} onViewDetail - 查看详情回调
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* @param {Object} ref - 用于滚动的ref
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*/
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const DynamicNewsCard = forwardRef(({
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filters = {},
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popularKeywords = [],
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lastUpdateTime,
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onSearch,
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onSearchFocus,
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onEventClick,
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onViewDetail,
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...rest
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}, ref) => {
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const dispatch = useDispatch();
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const toast = useToast();
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const cardBg = useColorModeValue('white', 'gray.800');
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const borderColor = useColorModeValue('gray.200', 'gray.700');
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// 从 Redux 读取关注状态
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const eventFollowStatus = useSelector(selectEventFollowStatus);
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// 本地状态：模式（先初始化，后面会被 usePagination 更新）
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const [currentMode, setCurrentMode] = useState('vertical');
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// 根据当前模式从 Redux 读取对应的数据（添加默认值避免 undefined）
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const verticalData = useSelector(selectVerticalEventsWithLoading) || {};
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const fourRowData = useSelector(selectFourRowEventsWithLoading) || {};
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// 🔍 调试：从 Redux 读取数据
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console.log('%c[DynamicNewsCard] 从 Redux 读取数据', 'color: #3B82F6; font-weight: bold;', {
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currentMode,
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'verticalData.data type': typeof verticalData.data,
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'verticalData.data keys': verticalData.data ? Object.keys(verticalData.data) : [],
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'verticalData.total': verticalData.total,
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'verticalData.cachedPageCount': verticalData.cachedPageCount,
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'verticalData.loading': verticalData.loading,
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'fourRowData.data?.length': fourRowData.data?.length || 0,
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'fourRowData.total': fourRowData.total,
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});
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// 根据模式选择数据源
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// 纵向模式：data 是页码映射 { 1: [...], 2: [...] }
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// 平铺模式：data 是数组 [...]
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const modeData = currentMode === 'four-row' ? fourRowData : verticalData;
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const {
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data = currentMode === 'vertical' ? {} : [], // 纵向是对象，平铺是数组
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loading = false,
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error = null,
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pagination, // 分页元数据
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total = 0, // 向后兼容
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cachedCount = 0,
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cachedPageCount = 0
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} = modeData;
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// 传递给 usePagination 的数据
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const allCachedEventsByPage = currentMode === 'vertical' ? data : undefined;
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const allCachedEvents = currentMode === 'four-row' ? data : undefined;
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// 🔍 调试：选择的数据源
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console.log('%c[DynamicNewsCard] 选择的数据源', 'color: #3B82F6; font-weight: bold;', {
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mode: currentMode,
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'allCachedEventsByPage': allCachedEventsByPage ? Object.keys(allCachedEventsByPage) : 'undefined',
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'allCachedEvents?.length': allCachedEvents?.length,
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total,
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cachedCount,
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cachedPageCount,
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loading,
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error
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});
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// 🔍 调试：记录每次渲染
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dynamicNewsCardRenderCount++;
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console.log(`%c🔍 [DynamicNewsCard] 渲染 #${dynamicNewsCardRenderCount} - mode=${currentMode}, allCachedEvents.length=${allCachedEvents?.length || 0}, total=${total}`, 'color: #FF9800; font-weight: bold; font-size: 14px;');
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// 关注按钮点击处理
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const handleToggleFollow = useCallback((eventId) => {
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dispatch(toggleEventFollow(eventId));
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}, [dispatch]);
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// 本地状态
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const [selectedEvent, setSelectedEvent] = useState(null);
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// 弹窗状态（用于四排模式）
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const { isOpen: isModalOpen, onOpen: onModalOpen, onClose: onModalClose } = useDisclosure();
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const [modalEvent, setModalEvent] = useState(null);
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// 初始化标记 - 确保初始加载只执行一次
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const hasInitialized = useRef(false);
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// 追踪是否已自动选中过首个事件
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const hasAutoSelectedFirstEvent = useRef(false);
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// 追踪筛选条件 useEffect 是否是第一次渲染（避免初始加载时重复请求）
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const isFirstRenderForFilters = useRef(true);
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// 使用分页 Hook
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const {
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currentPage,
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mode,
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loadingPage,
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pageSize,
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totalPages,
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hasMore,
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currentPageEvents,
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displayEvents, // 当前显示的事件列表
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handlePageChange,
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handleModeToggle,
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loadNextPage, // 加载下一页
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loadPrevPage // 加载上一页
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} = usePagination({
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allCachedEventsByPage, // 纵向模式：页码映射
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allCachedEvents, // 平铺模式：数组
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pagination, // 分页元数据对象
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total, // 向后兼容
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cachedCount,
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dispatch,
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toast,
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filters // 传递筛选条件
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});
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// 同步 mode 到 currentMode
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useEffect(() => {
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setCurrentMode(mode);
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}, [mode]);
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// 监听 error 状态，显示空数据提示
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useEffect(() => {
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if (error && error.includes('暂无更多数据')) {
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toast({
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title: '提示',
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description: error,
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status: 'info',
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duration: 2000,
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isClosable: true,
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});
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}
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}, [error, toast]);
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// 四排模式的事件点击处理（打开弹窗）
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const handleFourRowEventClick = useCallback((event) => {
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console.log('%c🔲 [四排模式] 点击事件，打开详情弹窗', 'color: #8B5CF6; font-weight: bold;', { eventId: event.id, title: event.title });
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setModalEvent(event);
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onModalOpen();
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}, [onModalOpen]);
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// 初始加载 - 只在组件首次挂载且对应模式数据为空时执行
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useEffect(() => {
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const isDataEmpty = currentMode === 'vertical'
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? Object.keys(allCachedEventsByPage || {}).length === 0
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: (allCachedEvents?.length || 0) === 0;
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if (!hasInitialized.current && isDataEmpty) {
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hasInitialized.current = true;
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dispatch(fetchDynamicNews({
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mode: mode, // 传递当前模式
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per_page: pageSize,
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pageSize: pageSize, // 传递 pageSize 确保索引计算一致
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clearCache: true,
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...filters, // 先展开筛选条件
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page: PAGINATION_CONFIG.INITIAL_PAGE, // 然后覆盖 page 参数
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}));
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}
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}, [dispatch, allCachedEventsByPage, allCachedEvents, currentMode, mode, pageSize]); // ✅ 移除 filters 依赖，避免重复触发
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// 监听筛选条件变化 - 清空缓存并重新请求数据
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useEffect(() => {
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// 跳过初始加载（由上面的 useEffect 处理）
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if (!hasInitialized.current) return;
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// 跳过第一次渲染（避免与初始加载 useEffect 重复）
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if (isFirstRenderForFilters.current) {
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isFirstRenderForFilters.current = false;
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return;
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}
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console.log('%c🔍 [筛选] 筛选条件改变，重新请求数据', 'color: #8B5CF6; font-weight: bold;', filters);
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// 筛选条件改变时，清空对应模式的缓存并从第1页开始加载
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dispatch(fetchDynamicNews({
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mode: mode, // 传递当前模式
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per_page: pageSize,
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pageSize: pageSize,
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clearCache: true, // 清空缓存
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...filters, // 先展开筛选条件
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page: PAGINATION_CONFIG.INITIAL_PAGE, // 然后覆盖 page 参数
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}));
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}, [
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filters.sort,
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filters.importance,
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filters.q,
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filters.date_range,
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filters.industry_code,
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mode, // 添加 mode 到依赖
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pageSize, // 添加 pageSize 到依赖
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dispatch
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]); // 只监听筛选参数的变化，不监听 page
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// 监听模式切换 - 如果新模式数据为空，请求数据
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useEffect(() => {
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const isDataEmpty = currentMode === 'vertical'
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? Object.keys(allCachedEventsByPage || {}).length === 0
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: (allCachedEvents?.length || 0) === 0;
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if (hasInitialized.current && isDataEmpty) {
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console.log(`%c🔄 [模式切换] ${mode} 模式数据为空，开始加载`, 'color: #8B5CF6; font-weight: bold;');
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dispatch(fetchDynamicNews({
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mode: mode,
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per_page: pageSize,
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pageSize: pageSize,
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clearCache: true,
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...filters, // 先展开筛选条件
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page: PAGINATION_CONFIG.INITIAL_PAGE, // 然后覆盖 page 参数
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}));
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}
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}, [mode]); // 只监听 mode 变化
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// 自动选中逻辑 - 只在首次加载时自动选中第一个事件，翻页时不自动选中
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useEffect(() => {
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if (currentPageEvents.length > 0) {
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// 情况1: 首次加载 - 自动选中第一个事件并触发详情加载
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if (!hasAutoSelectedFirstEvent.current && !selectedEvent) {
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console.log('%c🎯 [首次加载] 自动选中第一个事件', 'color: #10B981; font-weight: bold;');
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hasAutoSelectedFirstEvent.current = true;
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setSelectedEvent(currentPageEvents[0]);
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return;
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}
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// 情况2: 翻页 - 如果选中的事件不在当前页，根据模式决定处理方式
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const selectedEventInCurrentPage = currentPageEvents.find(
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e => e.id === selectedEvent?.id
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);
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}
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}, [currentPageEvents, selectedEvent?.id, mode]);
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// 组件卸载时清理选中状态
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useEffect(() => {
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return () => {
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setSelectedEvent(null);
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};
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}, []);
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return (
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<Card ref={ref} {...rest} bg={cardBg} borderColor={borderColor} mb={4}>
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{/* 标题部分 */}
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<CardHeader>
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<Flex justify="space-between" align="center">
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<VStack align="start" spacing={1}>
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<Heading size="md">
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<HStack>
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<TimeIcon />
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<Text>实时要闻·动态追踪</Text>
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</HStack>
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</Heading>
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<HStack fontSize="sm" color="gray.500">
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<Badge colorScheme="red">实时</Badge>
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<Badge colorScheme="green">盘中</Badge>
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<Badge colorScheme="blue">快讯</Badge>
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</HStack>
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</VStack>
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<Text fontSize="xs" color="gray.500">
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最后更新: {lastUpdateTime?.toLocaleTimeString() || '未知'}
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</Text>
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</Flex>
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{/* 搜索和筛选组件 */}
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<Box mt={4}>
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<UnifiedSearchBox
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onSearch={onSearch}
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onSearchFocus={onSearchFocus}
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popularKeywords={popularKeywords}
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filters={filters}
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/>
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</Box>
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</CardHeader>
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{/* 主体内容 */}
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<CardBody position="relative" pt={0}>
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{/* 横向滚动事件列表 - 始终渲染（除非为空） */}
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{currentPageEvents && currentPageEvents.length > 0 ? (
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<EventScrollList
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events={currentPageEvents}
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displayEvents={displayEvents} // 累积显示的事件列表（平铺模式）
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loadNextPage={loadNextPage} // 加载下一页
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loadPrevPage={loadPrevPage} // 加载上一页
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onFourRowEventClick={handleFourRowEventClick} // 四排模式事件点击
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selectedEvent={selectedEvent}
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onEventSelect={setSelectedEvent}
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borderColor={borderColor}
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currentPage={currentPage}
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totalPages={totalPages}
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onPageChange={handlePageChange}
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loading={loadingPage !== null}
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loadingPage={loadingPage}
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error={error}
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mode={mode}
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onModeChange={handleModeToggle}
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eventFollowStatus={eventFollowStatus}
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onToggleFollow={handleToggleFollow}
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hasMore={hasMore}
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/>
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) : !loading ? (
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/* Empty 状态 - 只在非加载且无数据时显示 */
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<Center py={10}>
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<VStack>
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<Text fontSize="lg" color="gray.500">暂无事件数据</Text>
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</VStack>
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</Center>
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) : (
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/* 首次加载状态 */
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<Center py={10}>
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<VStack>
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<Spinner size="xl" color="blue.500" thickness="4px" />
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<Text color="gray.500">正在加载最新事件...</Text>
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</VStack>
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</Center>
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)}
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</CardBody>
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{/* 四排模式详情弹窗 - 未打开时不渲染 */}
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{isModalOpen && (
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<Modal isOpen={isModalOpen} onClose={onModalClose} size="6xl" scrollBehavior="inside">
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<ModalOverlay />
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<ModalContent>
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<ModalHeader>
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{modalEvent?.title || '事件详情'}
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</ModalHeader>
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<ModalCloseButton />
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<ModalBody pb={6}>
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{modalEvent && <DynamicNewsDetailPanel event={modalEvent} />}
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</ModalBody>
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</ModalContent>
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</Modal>
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)}
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</Card>
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);
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});
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DynamicNewsCard.displayName = 'DynamicNewsCard';
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export default DynamicNewsCard;
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