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// src/views/Community/components/EventList.js
import React, { useState, useEffect } from 'react';
import {
Box,
VStack,
HStack,
Text,
Button,
Badge,
Tag,
TagLabel,
TagLeftIcon,
Flex,
Avatar,
Tooltip,
IconButton,
Divider,
Container,
useColorModeValue,
Circle,
Stat,
StatNumber,
StatHelpText,
StatArrow,
ButtonGroup,
Heading,
SimpleGrid,
Card,
CardBody,
Center,
Link,
Spacer,
Switch,
FormControl,
FormLabel,
} from '@chakra-ui/react';
import {
ViewIcon,
ChatIcon,
StarIcon,
TimeIcon,
InfoIcon,
WarningIcon,
WarningTwoIcon,
CheckCircleIcon,
TriangleUpIcon,
TriangleDownIcon,
ArrowForwardIcon,
ExternalLinkIcon,
ViewOffIcon,
} from '@chakra-ui/icons';
import { useNavigate } from 'react-router-dom';
import moment from 'moment';
// ========== 工具函数定义在组件外部 ==========
// 涨跌颜色配置中国A股配色红涨绿跌- 分档次显示
const getPriceChangeColor = (value) => {
if (value === null || value === undefined) return 'gray.500';
const absValue = Math.abs(value);
if (value > 0) {
// 上涨用红色,根据涨幅大小使用不同深浅
if (absValue >= 3) return 'red.600'; // 深红色3%以上
if (absValue >= 1) return 'red.500'; // 中红色1-3%
return 'red.400'; // 浅红色0-1%
} else if (value < 0) {
// 下跌用绿色,根据跌幅大小使用不同深浅
if (absValue >= 3) return 'green.600'; // 深绿色3%以上
if (absValue >= 1) return 'green.500'; // 中绿色1-3%
return 'green.400'; // 浅绿色0-1%
}
return 'gray.500';
};
const getPriceChangeBg = (value) => {
if (value === null || value === undefined) return 'gray.50';
const absValue = Math.abs(value);
if (value > 0) {
// 上涨背景色
if (absValue >= 3) return 'red.100'; // 深色背景3%以上
if (absValue >= 1) return 'red.50'; // 中色背景1-3%
return 'red.50'; // 浅色背景0-1%
} else if (value < 0) {
// 下跌背景色
if (absValue >= 3) return 'green.100'; // 深色背景3%以上
if (absValue >= 1) return 'green.50'; // 中色背景1-3%
return 'green.50'; // 浅色背景0-1%
}
return 'gray.50';
};
const getPriceChangeBorderColor = (value) => {
if (value === null || value === undefined) return 'gray.300';
const absValue = Math.abs(value);
if (value > 0) {
// 上涨边框色
if (absValue >= 3) return 'red.500'; // 深边框3%以上
if (absValue >= 1) return 'red.400'; // 中边框1-3%
return 'red.300'; // 浅边框0-1%
} else if (value < 0) {
// 下跌边框色
if (absValue >= 3) return 'green.500'; // 深边框3%以上
if (absValue >= 1) return 'green.400'; // 中边框1-3%
return 'green.300'; // 浅边框0-1%
}
return 'gray.300';
};
// 重要性等级配置 - 金融配色方案
const importanceLevels = {
'S': {
color: 'purple.600',
bgColor: 'purple.50',
borderColor: 'purple.200',
icon: WarningIcon,
label: '极高',
dotBg: 'purple.500',
},
'A': {
color: 'red.600',
bgColor: 'red.50',
borderColor: 'red.200',
icon: WarningTwoIcon,
label: '高',
dotBg: 'red.500',
},
'B': {
color: 'orange.600',
bgColor: 'orange.50',
borderColor: 'orange.200',
icon: InfoIcon,
label: '中',
dotBg: 'orange.500',
},
'C': {
color: 'green.600',
bgColor: 'green.50',
borderColor: 'green.200',
icon: CheckCircleIcon,
label: '低',
dotBg: 'green.500',
}
};
const getImportanceConfig = (importance) => {
return importanceLevels[importance] || importanceLevels['C'];
};
// 自定义的涨跌箭头组件(修复颜色问题)
const PriceArrow = ({ value }) => {
if (value === null || value === undefined) return null;
const Icon = value > 0 ? TriangleUpIcon : TriangleDownIcon;
const color = value > 0 ? 'red.500' : 'green.500';
return <Icon color={color} boxSize="16px" />;
};
// ========== 主组件 ==========
const EventList = ({ events, pagination, onPageChange, onEventClick, onViewDetail }) => {
const navigate = useNavigate();
const [isCompactMode, setIsCompactMode] = useState(false); // 新增:紧凑模式状态
const [followingMap, setFollowingMap] = useState({});
const [followCountMap, setFollowCountMap] = useState({});
// 初始化关注状态与计数
useEffect(() => {
// 初始化计数映射
const initCounts = {};
events.forEach(ev => {
initCounts[ev.id] = ev.follower_count || 0;
});
setFollowCountMap(initCounts);
const loadFollowing = async () => {
try {
const base = (process.env.NODE_ENV === 'production' ? '' : process.env.REACT_APP_API_URL || 'http://49.232.185.254:5001');
const res = await fetch(base + '/api/account/events/following', { credentials: 'include' });
const data = await res.json();
if (res.ok && data.success) {
const map = {};
(data.data || []).forEach(ev => { map[ev.id] = true; });
setFollowingMap(map);
}
} catch (e) {
// 静默失败
console.warn('load following failed', e);
}
};
loadFollowing();
// 仅在 events 更新时重跑
}, [events]);
const toggleFollow = async (eventId) => {
try {
const base = (process.env.NODE_ENV === 'production' ? '' : process.env.REACT_APP_API_URL || 'http://49.232.185.254:5001');
const res = await fetch(base + `/api/events/${eventId}/follow`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
credentials: 'include'
});
const data = await res.json();
if (!res.ok || !data.success) throw new Error(data.error || '操作失败');
const isFollowing = data.data?.is_following;
const count = data.data?.follower_count ?? 0;
setFollowingMap(prev => ({ ...prev, [eventId]: isFollowing }));
setFollowCountMap(prev => ({ ...prev, [eventId]: count }));
} catch (e) {
console.warn('toggle follow failed', e);
}
};
// 专业的金融配色方案
const bgColor = useColorModeValue('gray.50', 'gray.900');
const cardBg = useColorModeValue('white', 'gray.800');
const borderColor = useColorModeValue('gray.200', 'gray.700');
const textColor = useColorModeValue('gray.700', 'gray.200');
const mutedColor = useColorModeValue('gray.500', 'gray.400');
const linkColor = useColorModeValue('blue.600', 'blue.400');
const hoverBg = useColorModeValue('gray.50', 'gray.700');
const renderPriceChange = (value, label) => {
if (value === null || value === undefined) {
return (
<Tag size="lg" colorScheme="gray" borderRadius="full" variant="subtle">
<TagLabel fontSize="sm" fontWeight="medium">{label}: --</TagLabel>
</Tag>
);
}
const absValue = Math.abs(value);
const isPositive = value > 0;
// 根据涨跌幅大小选择不同的颜色深浅
let colorScheme = 'gray';
let variant = 'solid';
if (isPositive) {
// 上涨用红色系
if (absValue >= 3) {
colorScheme = 'red';
variant = 'solid'; // 深色
} else if (absValue >= 1) {
colorScheme = 'red';
variant = 'subtle'; // 中等
} else {
colorScheme = 'red';
variant = 'outline'; // 浅色
}
} else {
// 下跌用绿色系
if (absValue >= 3) {
colorScheme = 'green';
variant = 'solid'; // 深色
} else if (absValue >= 1) {
colorScheme = 'green';
variant = 'subtle'; // 中等
} else {
colorScheme = 'green';
variant = 'outline'; // 浅色
}
}
const Icon = isPositive ? TriangleUpIcon : TriangleDownIcon;
return (
<Tag
size="lg"
colorScheme={colorScheme}
borderRadius="full"
variant={variant}
boxShadow="sm"
_hover={{ transform: 'scale(1.05)', boxShadow: 'md' }}
transition="all 0.2s"
>
<TagLeftIcon as={Icon} boxSize="16px" />
<TagLabel fontSize="sm" fontWeight="bold">
{label}: {isPositive ? '+' : ''}{value.toFixed(2)}%
</TagLabel>
</Tag>
);
};
const handleTitleClick = (e, event) => {
e.preventDefault();
e.stopPropagation();
onEventClick(event);
};
const handleViewDetailClick = (e, eventId) => {
e.stopPropagation();
navigate(`/event-detail/${eventId}`);
};
// 精简模式的事件渲染
const renderCompactEvent = (event) => {
const importance = getImportanceConfig(event.importance);
const isFollowing = !!followingMap[event.id];
const followerCount = followCountMap[event.id] ?? (event.follower_count || 0);
return (
<HStack align="stretch" spacing={4} w="full">
{/* 时间线和重要性标记 */}
<VStack spacing={0} align="center">
<Circle
size="32px"
bg={importance.dotBg}
color="white"
fontWeight="bold"
fontSize="sm"
boxShadow="sm"
border="2px solid"
borderColor={cardBg}
>
{event.importance || 'C'}
</Circle>
<Box
w="2px"
flex="1"
bg={borderColor}
minH="60px"
/>
</VStack>
{/* 精简事件卡片 */}
<Card
flex="1"
bg={cardBg}
borderWidth="1px"
borderColor={borderColor}
borderRadius="lg"
boxShadow="sm"
_hover={{
boxShadow: 'md',
transform: 'translateY(-1px)',
borderColor: importance.color,
}}
transition="all 0.2s"
cursor="pointer"
onClick={() => onEventClick(event)}
mb={3}
>
<CardBody p={4}>
<Flex align="center" justify="space-between" wrap="wrap" gap={3}>
{/* 左侧:标题和时间 */}
<VStack align="start" spacing={2} flex="1" minW="200px">
<Heading
size="sm"
color={linkColor}
_hover={{ textDecoration: 'underline' }}
onClick={(e) => handleTitleClick(e, event)}
cursor="pointer"
noOfLines={1}
>
{event.title}
</Heading>
<HStack spacing={2} fontSize="xs" color={mutedColor}>
<TimeIcon />
<Text>{moment(event.created_at).format('MM-DD HH:mm')}</Text>
<Text></Text>
<Text>{event.creator?.username || 'Anonymous'}</Text>
</HStack>
</VStack>
{/* 右侧:涨跌幅指标 */}
<HStack spacing={3}>
<Tooltip label="平均涨幅" placement="top">
<Box
px={3}
py={1}
borderRadius="md"
bg={getPriceChangeBg(event.related_avg_chg)}
borderWidth="1px"
borderColor={getPriceChangeBorderColor(event.related_avg_chg)}
>
<HStack spacing={1}>
<PriceArrow value={event.related_avg_chg} />
<Text
fontSize="sm"
fontWeight="bold"
color={getPriceChangeColor(event.related_avg_chg)}
>
{event.related_avg_chg != null
? `${event.related_avg_chg > 0 ? '+' : ''}${event.related_avg_chg.toFixed(2)}%`
: '--'}
</Text>
</HStack>
</Box>
</Tooltip>
<Button
size="sm"
variant="ghost"
colorScheme="blue"
onClick={(e) => handleViewDetailClick(e, event.id)}
>
详情
</Button>
<Button
size="sm"
variant={isFollowing ? 'solid' : 'outline'}
colorScheme="yellow"
leftIcon={<StarIcon />}
onClick={(e) => {
e.stopPropagation();
toggleFollow(event.id);
}}
>
{isFollowing ? '已关注' : '关注'} {followerCount ? `(${followerCount})` : ''}
</Button>
</HStack>
</Flex>
</CardBody>
</Card>
</HStack>
);
};
// 详细模式的事件渲染(原有的渲染方式,但修复了箭头颜色)
const renderDetailedEvent = (event) => {
const importance = getImportanceConfig(event.importance);
const isFollowing = !!followingMap[event.id];
const followerCount = followCountMap[event.id] ?? (event.follower_count || 0);
return (
<HStack align="stretch" spacing={4} w="full">
{/* 时间线和重要性标记 */}
<VStack spacing={0} align="center">
<Circle
size="40px"
bg={importance.dotBg}
color="white"
fontWeight="bold"
fontSize="lg"
boxShadow="md"
border="3px solid"
borderColor={cardBg}
>
{event.importance || 'C'}
</Circle>
<Box
w="2px"
flex="1"
bg={borderColor}
minH="100px"
/>
</VStack>
{/* 事件卡片 */}
<Card
flex="1"
bg={cardBg}
borderWidth="1px"
borderColor={borderColor}
borderRadius="lg"
boxShadow="sm"
_hover={{
boxShadow: 'md',
transform: 'translateY(-2px)',
borderColor: importance.color,
}}
transition="all 0.2s"
cursor="pointer"
onClick={() => onEventClick(event)}
mb={4}
>
<CardBody p={5}>
<VStack align="stretch" spacing={3}>
{/* 标题和重要性标签 */}
<Flex align="center" justify="space-between">
<Tooltip
label="点击查看事件详情"
placement="top"
hasArrow
openDelay={500}
>
<Heading
size="md"
color={linkColor}
_hover={{ textDecoration: 'underline', color: 'blue.500' }}
onClick={(e) => handleTitleClick(e, event)}
cursor="pointer"
>
{event.title}
</Heading>
</Tooltip>
<Badge
colorScheme={importance.color.split('.')[0]}
px={3}
py={1}
borderRadius="full"
fontSize="sm"
>
{importance.label}优先级
</Badge>
</Flex>
{/* 元信息 */}
<HStack spacing={4} fontSize="sm">
<HStack
bg="blue.50"
px={3}
py={1}
borderRadius="full"
color="blue.700"
fontWeight="medium"
>
<TimeIcon />
<Text>{moment(event.created_at).format('YYYY-MM-DD HH:mm')}</Text>
</HStack>
<Text color={mutedColor}></Text>
<Text color={mutedColor}>{event.creator?.username || 'Anonymous'}</Text>
</HStack>
{/* 描述 */}
<Text color={textColor} fontSize="sm" lineHeight="tall" noOfLines={3}>
{event.description}
</Text>
{/* 价格变化指标 */}
<Box
bg={useColorModeValue('gradient.subtle', 'gray.700')}
bgGradient="linear(to-r, gray.50, white)"
p={4}
borderRadius="lg"
borderWidth="1px"
borderColor={borderColor}
boxShadow="sm"
>
<SimpleGrid columns={{ base: 1, md: 3 }} spacing={3}>
<Tooltip label="点击查看相关股票" placement="top" hasArrow>
<Box
cursor="pointer"
p={2}
borderRadius="md"
bg={getPriceChangeBg(event.related_avg_chg)}
borderWidth="2px"
borderColor={getPriceChangeBorderColor(event.related_avg_chg)}
_hover={{ transform: 'scale(1.02)', boxShadow: 'md' }}
transition="all 0.2s"
>
<Stat size="sm">
<StatHelpText mb={1} fontWeight="semibold" color="gray.600" fontSize="xs">
平均涨幅
</StatHelpText>
<StatNumber fontSize="xl" color={getPriceChangeColor(event.related_avg_chg)}>
{event.related_avg_chg != null ? (
<HStack spacing={1}>
<PriceArrow value={event.related_avg_chg} />
<Text fontWeight="bold">
{event.related_avg_chg > 0 ? '+' : ''}{event.related_avg_chg.toFixed(2)}%
</Text>
</HStack>
) : (
<Text color="gray.400">--</Text>
)}
</StatNumber>
</Stat>
</Box>
</Tooltip>
<Tooltip label="点击查看相关股票" placement="top" hasArrow>
<Box
cursor="pointer"
p={2}
borderRadius="md"
bg={getPriceChangeBg(event.related_max_chg)}
borderWidth="2px"
borderColor={getPriceChangeBorderColor(event.related_max_chg)}
_hover={{ transform: 'scale(1.02)', boxShadow: 'md' }}
transition="all 0.2s"
>
<Stat size="sm">
<StatHelpText mb={1} fontWeight="semibold" color="gray.600" fontSize="xs">
最大涨幅
</StatHelpText>
<StatNumber fontSize="xl" color={getPriceChangeColor(event.related_max_chg)}>
{event.related_max_chg != null ? (
<HStack spacing={1}>
<PriceArrow value={event.related_max_chg} />
<Text fontWeight="bold">
{event.related_max_chg > 0 ? '+' : ''}{event.related_max_chg.toFixed(2)}%
</Text>
</HStack>
) : (
<Text color="gray.400">--</Text>
)}
</StatNumber>
</Stat>
</Box>
</Tooltip>
<Tooltip label="点击查看相关股票" placement="top" hasArrow>
<Box
cursor="pointer"
p={2}
borderRadius="md"
bg={getPriceChangeBg(event.related_week_chg)}
borderWidth="2px"
borderColor={getPriceChangeBorderColor(event.related_week_chg)}
_hover={{ transform: 'scale(1.02)', boxShadow: 'md' }}
transition="all 0.2s"
>
<Stat size="sm">
<StatHelpText mb={1} fontWeight="semibold" color="gray.600" fontSize="xs">
周涨幅
</StatHelpText>
<StatNumber fontSize="xl" color={getPriceChangeColor(event.related_week_chg)}>
{event.related_week_chg != null ? (
<HStack spacing={1}>
<PriceArrow value={event.related_week_chg} />
<Text fontWeight="bold">
{event.related_week_chg > 0 ? '+' : ''}{event.related_week_chg.toFixed(2)}%
</Text>
</HStack>
) : (
<Text color="gray.400">--</Text>
)}
</StatNumber>
</Stat>
</Box>
</Tooltip>
</SimpleGrid>
</Box>
<Divider />
{/* 统计信息和操作按钮 */}
<Flex justify="space-between" align="center" wrap="wrap" gap={3}>
<HStack spacing={6}>
<Tooltip label="浏览量" placement="top">
<HStack spacing={1} color={mutedColor}>
<ViewIcon />
<Text fontSize="sm">{event.view_count || 0}</Text>
</HStack>
</Tooltip>
<Tooltip label="帖子数" placement="top">
<HStack spacing={1} color={mutedColor}>
<ChatIcon />
<Text fontSize="sm">{event.post_count || 0}</Text>
</HStack>
</Tooltip>
<Tooltip label="关注数" placement="top">
<HStack spacing={1} color={mutedColor}>
<StarIcon />
<Text fontSize="sm">{followerCount}</Text>
</HStack>
</Tooltip>
</HStack>
<ButtonGroup size="sm" spacing={2}>
<Button
variant="outline"
colorScheme="gray"
leftIcon={<ViewIcon />}
onClick={(e) => {
e.stopPropagation();
onEventClick(event);
}}
>
快速查看
</Button>
<Button
colorScheme="blue"
leftIcon={<ExternalLinkIcon />}
onClick={(e) => handleViewDetailClick(e, event.id)}
>
详细信息
</Button>
<Button
colorScheme="yellow"
variant={isFollowing ? 'solid' : 'outline'}
leftIcon={<StarIcon />}
onClick={(e) => {
e.stopPropagation();
toggleFollow(event.id);
}}
>
{isFollowing ? '已关注' : '关注'}
</Button>
</ButtonGroup>
</Flex>
</VStack>
</CardBody>
</Card>
</HStack>
);
};
// 分页组件
const Pagination = ({ current, total, pageSize, onChange }) => {
const totalPages = Math.ceil(total / pageSize);
return (
<Flex justify="center" align="center" mt={8} gap={2}>
<Button
size="sm"
variant="outline"
onClick={() => onChange(current - 1)}
isDisabled={current === 1}
>
上一页
</Button>
<HStack spacing={1}>
{[...Array(Math.min(5, totalPages))].map((_, i) => {
const pageNum = i + 1;
return (
<Button
key={pageNum}
size="sm"
variant={current === pageNum ? 'solid' : 'ghost'}
colorScheme={current === pageNum ? 'blue' : 'gray'}
onClick={() => onChange(pageNum)}
>
{pageNum}
</Button>
);
})}
{totalPages > 5 && <Text>...</Text>}
{totalPages > 5 && (
<Button
size="sm"
variant={current === totalPages ? 'solid' : 'ghost'}
colorScheme={current === totalPages ? 'blue' : 'gray'}
onClick={() => onChange(totalPages)}
>
{totalPages}
</Button>
)}
</HStack>
<Button
size="sm"
variant="outline"
onClick={() => onChange(current + 1)}
isDisabled={current === totalPages}
>
下一页
</Button>
<Text fontSize="sm" color={mutedColor} ml={4}>
{total}
</Text>
</Flex>
);
};
return (
<Box bg={bgColor} minH="100vh" py={8}>
<Container maxW="container.xl">
{/* 视图切换控制 */}
<Flex justify="flex-end" mb={6}>
<FormControl display="flex" alignItems="center" w="auto">
<FormLabel htmlFor="compact-mode" mb="0" fontSize="sm" color={textColor}>
精简模式
</FormLabel>
<Switch
id="compact-mode"
isChecked={isCompactMode}
onChange={(e) => setIsCompactMode(e.target.checked)}
colorScheme="blue"
/>
</FormControl>
</Flex>
{events.length > 0 ? (
<VStack align="stretch" spacing={0}>
{events.map((event, index) => (
<Box key={event.id} position="relative">
{isCompactMode
? renderCompactEvent(event)
: renderDetailedEvent(event)
}
</Box>
))}
</VStack>
) : (
<Center h="300px">
<VStack spacing={4}>
<InfoIcon boxSize={12} color={mutedColor} />
<Text color={mutedColor} fontSize="lg">
暂无事件数据
</Text>
</VStack>
</Center>
)}
{pagination.total > 0 && (
<Pagination
current={pagination.current}
total={pagination.total}
pageSize={pagination.pageSize}
onChange={onPageChange}
/>
)}
</Container>
</Box>
);
};
export default EventList;