forum

2026-02-12 15:51:18 +08:00
parent e69a24b555
commit 4ac8767659
14 changed files with 2851 additions and 141 deletions
--- a/frontend/src/api.js
+++ b/frontend/src/api.js
@@ -60,6 +60,7 @@ export const uploadUserAvatar = (data) => {
 export const getTopics = (params) => api.get('/community/topics/', { params });
 export const getTopicDetail = (id) => api.get(`/community/topics/${id}/`);
 export const createTopic = (data) => api.post('/community/topics/', data);
+export const updateTopic = (id, data) => api.patch(`/community/topics/${id}/`, data);
 export const getReplies = (params) => api.get('/community/replies/', { params });
 export const createReply = (data) => api.post('/community/replies/', data);
 export const uploadMedia = (data) => {
--- a/frontend/src/components/CreateTopicModal.jsx
+++ b/frontend/src/components/CreateTopicModal.jsx
@@ -1,27 +1,59 @@
 import React, { useState, useEffect } from 'react';
-import { Modal, Form, Input, Button, message, Upload, Select, Divider, Radio, Tabs, Alert } from 'antd';
-import { InboxOutlined, PlusOutlined, UploadOutlined } from '@ant-design/icons';
-import { createTopic, uploadMedia, getMyPaidItems } from '../api';
+import { Modal, Form, Input, Button, message, Upload, Select } from 'antd';
+import { UploadOutlined } from '@ant-design/icons';
+import { createTopic, updateTopic, uploadMedia, getMyPaidItems } from '../api';
+import MDEditor from '@uiw/react-md-editor';
+import rehypeKatex from 'rehype-katex';
+import remarkMath from 'remark-math';
+import 'katex/dist/katex.css';

-const { TextArea } = Input;
 const { Option } = Select;
-const { Dragger } = Upload;

-const CreateTopicModal = ({ visible, onClose, onSuccess }) => {
+const CreateTopicModal = ({ visible, onClose, onSuccess, initialValues, isEditMode, topicId }) => {
  const [form] = Form.useForm();
  const [loading, setLoading] = useState(false);
  const [paidItems, setPaidItems] = useState({ configs: [], courses: [], services: [] });
  const [uploading, setUploading] = useState(false);
  const [mediaIds, setMediaIds] = useState([]);
+  // eslint-disable-next-line no-unused-vars
  const [mediaList, setMediaList] = useState([]); // Store uploaded media details for preview
+  const [content, setContent] = useState("");

  useEffect(() => {
    if (visible) {
        fetchPaidItems();
-        setMediaIds([]); // Reset media IDs
-        setMediaList([]); // Reset media list
+        if (isEditMode && initialValues) {
+            // Edit Mode: Populate form with initial values
+            form.setFieldsValue({
+                title: initialValues.title,
+                category: initialValues.category,
+            });
+            setContent(initialValues.content);
+            form.setFieldValue('content', initialValues.content);
+
+            // Handle related item
+            let relatedVal = null;
+            if (initialValues.related_product) relatedVal = `config_${initialValues.related_product.id || initialValues.related_product}`;
+            else if (initialValues.related_course) relatedVal = `course_${initialValues.related_course.id || initialValues.related_course}`;
+            else if (initialValues.related_service) relatedVal = `service_${initialValues.related_service.id || initialValues.related_service}`;
+            
+            if (relatedVal) form.setFieldValue('related_item', relatedVal);
+            
+            // Note: We start with empty *new* media IDs. 
+            // Existing media is embedded in content or stored in DB, we don't need to re-upload or track them here unless we want to delete them (which is complex).
+            // For now, we just allow adding NEW media.
+            setMediaIds([]); 
+            setMediaList([]);
+        } else {
+            // Create Mode: Reset form
+            setMediaIds([]); 
+            setMediaList([]);
+            setContent("");
+            form.resetFields(); 
+            form.setFieldsValue({ content: "", category: 'discussion' });
+        }
    }
-  }, [visible]);
+  }, [visible, isEditMode, initialValues, form]);

  const fetchPaidItems = async () => {
      try {
@@ -77,14 +109,14 @@ const CreateTopicModal = ({ visible, onClose, onSuccess }) => {
          }]);
          
          // 插入到编辑器
-          const currentContent = form.getFieldValue('content') || '';
          const insertText = file.type.startsWith('video') 
              ? `\n<video src="${url}" controls width="100%"></video>\n` 
              : `\n![${file.name}](${url})\n`;
          
-          form.setFieldsValue({
-              content: currentContent + insertText
-          });
+          const newContent = content + insertText;
+          setContent(newContent);
+          form.setFieldsValue({ content: newContent });
+
          message.success('上传成功');
      } catch (error) {
          console.error(error);
@@ -100,7 +132,8 @@ const CreateTopicModal = ({ visible, onClose, onSuccess }) => {
    try {
      // 处理关联项目 ID (select value format: "type_id")
      const relatedValue = values.related_item;
-      const payload = { ...values, media_ids: mediaIds };
+      // Use content state instead of form value to ensure consistency
+      const payload = { ...values, content: content, media_ids: mediaIds };
      delete payload.related_item;

      if (relatedValue) {
@@ -108,16 +141,27 @@ const CreateTopicModal = ({ visible, onClose, onSuccess }) => {
          if (type === 'config') payload.related_product = id;
          if (type === 'course') payload.related_course = id;
          if (type === 'service') payload.related_service = id;
+      } else {
+          // If cleared, set to null
+          payload.related_product = null;
+          payload.related_course = null;
+          payload.related_service = null;
      }

-      await createTopic(payload);
-      message.success('发布成功');
+      if (isEditMode && topicId) {
+          await updateTopic(topicId, payload);
+          message.success('修改成功');
+      } else {
+          await createTopic(payload);
+          message.success('发布成功');
+      }
+      
      form.resetFields();
      if (onSuccess) onSuccess();
      onClose();
    } catch (error) {
      console.error(error);
-      message.error('发布失败: ' + (error.response?.data?.detail || '网络错误'));
+      message.error((isEditMode ? '修改' : '发布') + '失败: ' + (error.response?.data?.detail || '网络错误'));
    } finally {
      setLoading(false);
    }
@@ -125,12 +169,12 @@ const CreateTopicModal = ({ visible, onClose, onSuccess }) => {

  return (
    <Modal
-      title="发布新帖"
+      title={isEditMode ? "编辑帖子" : "发布新帖"}
      open={visible}
      onCancel={onClose}
      footer={null}
      destroyOnClose
-      width={800}
+      width={1000}
      style={{ top: 20 }}
    >
      <Form
@@ -189,47 +233,33 @@ const CreateTopicModal = ({ visible, onClose, onSuccess }) => {

        <Form.Item
          name="content"
-          label="内容 (支持 Markdown)"
+          label="内容 (支持 Markdown 与 LaTeX 公式)"
          rules={[{ required: true, message: '请输入内容' }]}
        >
-            <div>
-                <Upload 
-                    beforeUpload={handleUpload} 
-                    showUploadList={false} 
-                    accept="image/*,video/*"
-                >
-                    <Button icon={<UploadOutlined />} loading={uploading} size="small" style={{ marginBottom: 8 }}>
-                        插入图片/视频
-                    </Button>
-                </Upload>
-                
-                {/* Media Preview Area */}
-                {mediaList.length > 0 && (
-                    <div style={{ display: 'flex', gap: 10, flexWrap: 'wrap', marginBottom: 10 }}>
-                        {mediaList.map((item, index) => (
-                            <div key={index} style={{ position: 'relative', width: 80, height: 80, border: '1px solid #ddd', borderRadius: 4, overflow: 'hidden' }}>
-                                {item.type === 'video' ? (
-                                    <video src={item.url} style={{ width: '100%', height: '100%', objectFit: 'cover' }} />
-                                ) : (
-                                    <img src={item.url} alt="preview" style={{ width: '100%', height: '100%', objectFit: 'cover' }} />
-                                )}
-                            </div>
-                        ))}
-                    </div>
-                )}
+            <div data-color-mode="light">
+                <div style={{ marginBottom: 10 }}>
+                    <Upload 
+                        beforeUpload={handleUpload} 
+                        showUploadList={false} 
+                        accept="image/*,video/*"
+                    >
+                        <Button icon={<UploadOutlined />} loading={uploading} size="small">
+                            插入图片/视频
+                        </Button>
+                    </Upload>
+                </div>

-                <TextArea 
-                    rows={12} 
-                    placeholder="请详细描述您的问题... 
-支持 Markdown 语法：
-**加粗**
-# 标题
- 列表
-[链接](url)
-" 
-                    showCount 
-                    maxLength={10000}
-                    style={{ fontFamily: 'monospace' }}
+                <MDEditor
+                    value={content}
+                    onChange={(val) => {
+                        setContent(val);
+                        form.setFieldsValue({ content: val });
+                    }}
+                    height={400}
+                    previewOptions={{
+                        rehypePlugins: [[rehypeKatex]],
+                        remarkPlugins: [[remarkMath]],
+                    }}
                />
            </div>
        </Form.Item>
@@ -238,7 +268,7 @@ const CreateTopicModal = ({ visible, onClose, onSuccess }) => {
          <div style={{ display: 'flex', justifyContent: 'flex-end', gap: 10 }}>
            <Button onClick={onClose}>取消</Button>
            <Button type="primary" htmlType="submit" loading={loading} size="large">
-              立即发布
+              {isEditMode ? "保存修改" : "立即发布"}
            </Button>
          </div>
        </Form.Item>
@@ -247,4 +277,4 @@ const CreateTopicModal = ({ visible, onClose, onSuccess }) => {
  );
 };

-export default CreateTopicModal;
+export default CreateTopicModal;
--- a/frontend/src/pages/ForumDetail.jsx
+++ b/frontend/src/pages/ForumDetail.jsx
@@ -1,12 +1,21 @@
 import React, { useState, useEffect } from 'react';
 import { useParams, useNavigate } from 'react-router-dom';
-import { Typography, Card, Avatar, Tag, Space, Button, Divider, Input, message, Breadcrumb, Tooltip } from 'antd';
-import { UserOutlined, ClockCircleOutlined, EyeOutlined, CheckCircleFilled, LeftOutlined, LikeOutlined } from '@ant-design/icons';
-import { getTopicDetail, createReply } from '../api';
+import { Typography, Card, Avatar, Tag, Space, Button, Divider, Input, message, Upload, Tooltip } from 'antd';
+import { UserOutlined, ClockCircleOutlined, EyeOutlined, CheckCircleFilled, LeftOutlined, UploadOutlined, EditOutlined } from '@ant-design/icons';
+import { getTopicDetail, createReply, uploadMedia } from '../api';
 import { useAuth } from '../context/AuthContext';
 import LoginModal from '../components/LoginModal';
+import CreateTopicModal from '../components/CreateTopicModal';
+import ReactMarkdown from 'react-markdown';
+import remarkMath from 'remark-math';
+import rehypeKatex from 'rehype-katex';
+import remarkGfm from 'remark-gfm';
+import rehypeRaw from 'rehype-raw';
+import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter';
+import { vscDarkPlus } from 'react-syntax-highlighter/dist/esm/styles/prism';
+import 'katex/dist/katex.min.css';

-const { Title, Text, Paragraph } = Typography;
+const { Title, Text } = Typography;
 const { TextArea } = Input;

 const ForumDetail = () => {
@@ -19,6 +28,13 @@ const ForumDetail = () => {
  const [replyContent, setReplyContent] = useState('');
  const [submitting, setSubmitting] = useState(false);
  const [loginModalVisible, setLoginModalVisible] = useState(false);
+  
+  // Edit Topic State
+  const [editModalVisible, setEditModalVisible] = useState(false);
+
+  // Reply Image State
+  const [replyUploading, setReplyUploading] = useState(false);
+  const [replyMediaIds, setReplyMediaIds] = useState([]);

  const fetchTopic = async () => {
    try {
@@ -54,10 +70,12 @@ const ForumDetail = () => {
    try {
      await createReply({
        topic: id,
-        content: replyContent
+        content: replyContent,
+        media_ids: replyMediaIds // Send uploaded media IDs
      });
      message.success('回复成功');
      setReplyContent('');
+      setReplyMediaIds([]); // Reset media IDs
      fetchTopic(); // Refresh to show new reply
    } catch (error) {
      console.error(error);
@@ -67,19 +85,99 @@ const ForumDetail = () => {
    }
  };

+  const handleReplyUpload = async (file) => {
+      const formData = new FormData();
+      formData.append('file', file);
+      formData.append('media_type', file.type.startsWith('video') ? 'video' : 'image');
+
+      setReplyUploading(true);
+      try {
+          const res = await uploadMedia(formData);
+          if (res.data.id) {
+            setReplyMediaIds(prev => [...prev, res.data.id]);
+          }
+
+          let url = res.data.file; 
+          if (url) url = url.replace(/\\/g, '/');
+          if (url && !url.startsWith('http')) {
+              const baseURL = import.meta.env.VITE_API_URL || 'http://localhost:8000';
+              const host = baseURL.replace(/\/api\/?$/, '');
+              if (!url.startsWith('/')) url = '/' + url;
+              url = `${host}${url}`;
+          }
+          url = url.replace(/([^:]\/)\/+/g, '$1');
+          
+          const insertText = file.type.startsWith('video') 
+              ? `\n<video src="${url}" controls width="100%"></video>\n` 
+              : `\n![${file.name}](${url})\n`;
+          
+          setReplyContent(prev => prev + insertText);
+          message.success('上传成功');
+      } catch (error) {
+          console.error(error);
+          message.error('上传失败');
+      } finally {
+          setReplyUploading(false);
+      }
+      return false; 
+  };
+
  if (loading) return <div style={{ padding: 100, textAlign: 'center', color: '#fff' }}>Loading...</div>;
  if (!topic) return <div style={{ padding: 100, textAlign: 'center', color: '#fff' }}>Topic not found</div>;

+  const markdownComponents = {
+    // eslint-disable-next-line no-unused-vars
+    code({node, inline, className, children, ...props}) {
+      const match = /language-(\w+)/.exec(className || '')
+      return !inline && match ? (
+        <SyntaxHighlighter
+          style={vscDarkPlus}
+          language={match[1]}
+          PreTag="div"
+          {...props}
+        >
+          {String(children).replace(/\n$/, '')}
+        </SyntaxHighlighter>
+      ) : (
+        <code className={className} {...props}>
+          {children}
+        </code>
+      )
+    },
+    // eslint-disable-next-line no-unused-vars
+    img({node, ...props}) {
+      return (
+        <img 
+          {...props} 
+          style={{ maxHeight: 400, borderRadius: 8, maxWidth: '100%', margin: '10px 0' }} 
+        />
+      );
+    }
+  };
+
  return (
-    <div style={{ padding: '40px 20px', minHeight: '100vh', maxWidth: 1000, margin: '0 auto' }}>
-      <Button 
-        type="text" 
-        icon={<LeftOutlined />} 
-        style={{ color: '#fff', marginBottom: 20 }}
-        onClick={() => navigate('/forum')}
-      >
-        返回列表
-      </Button>
+    <div style={{ padding: '80px 20px 40px', minHeight: '100vh', maxWidth: 1000, margin: '0 auto' }}>
+      <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: 20 }}>
+          <Button 
+            type="text" 
+            icon={<LeftOutlined />} 
+            style={{ color: '#fff' }}
+            onClick={() => navigate('/forum')}
+          >
+            返回列表
+          </Button>
+          
+          {user && topic.author === user.id && (
+              <Button 
+                type="primary" 
+                ghost 
+                icon={<EditOutlined />} 
+                onClick={() => setEditModalVisible(true)}
+              >
+                编辑帖子
+              </Button>
+          )}
+      </div>

      {/* Topic Content */}
      <Card
@@ -124,45 +222,24 @@ const ForumDetail = () => {
            fontSize: 16, 
            lineHeight: 1.8, 
            minHeight: 200,
-            whiteSpace: 'pre-wrap' // Preserve formatting
-        }}>
-            {topic.content.replace(/!\[.*?\]\(.*?\)/g, '[图片]')}
+        }} className="markdown-body">
+            <ReactMarkdown 
+                remarkPlugins={[remarkMath, remarkGfm]}
+                rehypePlugins={[rehypeKatex, rehypeRaw]}
+                components={markdownComponents}
+            >
+                {topic.content}
+            </ReactMarkdown>
        </div>
        
        {(() => {
-            const regexMatches = topic.content.match(/!\[.*?\]\((.*?)\)/g);
-            const regexImages = regexMatches ? regexMatches.map(match => match.match(/!\[.*?\]\((.*?)\)/)[1]) : [];
-            
-            // 优先使用 Markdown 中解析出的图片（保持顺序）
-            if (regexImages.length > 0) {
-                return regexImages.map((url, index) => (
-                    <div key={`regex-${index}`} style={{ marginTop: 12 }}>
-                        <img 
-                            src={url} 
-                            alt="content" 
-                            style={{ maxHeight: 400, borderRadius: 8, maxWidth: '100%' }} 
-                        />
-                    </div>
-                ));
-            }
-            
-            // 兜底：如果 Markdown 解析失败或未插入但已上传，显示关联的媒体资源
            if (topic.media && topic.media.length > 0) {
-                 return topic.media.map((media) => (
+                 return topic.media.filter(m => m.media_type === 'video').map((media) => (
                    <div key={`media-${media.id}`} style={{ marginTop: 12 }}>
-                        {media.media_type === 'video' ? (
-                            <video src={media.url} controls style={{ maxHeight: 400, borderRadius: 8, maxWidth: '100%' }} />
-                        ) : (
-                            <img 
-                                src={media.url} 
-                                alt="content" 
-                                style={{ maxHeight: 400, borderRadius: 8, maxWidth: '100%' }} 
-                            />
-                        )}
+                        <video src={media.url} controls style={{ maxHeight: 400, borderRadius: 8, maxWidth: '100%' }} />
                    </div>
                ));
            }
-            
            return null;
        })()}
      </Card>
@@ -193,7 +270,15 @@ const ForumDetail = () => {
                            </Space>
                            <Text style={{ color: '#444' }}>#{index + 1}</Text>
                        </div>
-                        <div style={{ color: '#eee', whiteSpace: 'pre-wrap' }}>{reply.content}</div>
+                        <div style={{ color: '#eee' }}>
+                            <ReactMarkdown 
+                                remarkPlugins={[remarkMath, remarkGfm]}
+                                rehypePlugins={[rehypeKatex, rehypeRaw]}
+                                components={markdownComponents}
+                            >
+                                {reply.content}
+                            </ReactMarkdown>
+                        </div>
                    </div>
                </div>
             </Card>
@@ -214,10 +299,20 @@ const ForumDetail = () => {
                    rows={4} 
                    value={replyContent}
                    onChange={e => setReplyContent(e.target.value)}
-                    placeholder="友善回复，分享你的见解..."
+                    placeholder="友善回复，分享你的见解... (支持 Markdown)"
                    style={{ marginBottom: 16, background: '#111', border: '1px solid #333', color: '#fff' }}
                />
-                <div style={{ textAlign: 'right' }}>
+                <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+                    <Upload 
+                        beforeUpload={handleReplyUpload} 
+                        showUploadList={false} 
+                        accept="image/*,video/*"
+                    >
+                        <Button icon={<UploadOutlined />} loading={replyUploading} size="small" ghost>
+                            插入图片/视频
+                        </Button>
+                    </Upload>
+
                    <Button type="primary" onClick={handleSubmitReply} loading={submitting}>
                        提交回复
                    </Button>
@@ -239,8 +334,22 @@ const ForumDetail = () => {
        onClose={() => setLoginModalVisible(false)}
        onLoginSuccess={() => {}}
      />
+      
+      {/* Edit Modal */}
+      <CreateTopicModal 
+        visible={editModalVisible}
+        onClose={() => setEditModalVisible(false)}
+        onSuccess={() => {
+            fetchTopic();
+            // setEditModalVisible(false) is called in modal's submit handler wrapper? 
+            // CreateTopicModal calls onSuccess then onClose. So we just need to refresh here.
+        }}
+        initialValues={topic}
+        isEditMode={true}
+        topicId={topic?.id}
+      />
    </div>
  );
 };

-export default ForumDetail;
+export default ForumDetail;