trend

web/src/components/Analytics.tsx

@@ -138,6 +138,20 @@ interface DashboardCardsResponse {
   error?: string;
 }
 
+// 添加留言趋势API响应接口
+interface CommentTrendResponse {
+  success: boolean;
+  data: {
+    date: string;
+    count: number;
+  }[];
+  metadata: {
+    max_count: number;
+    total_count: number;
+  };
+  error?: string;
+}
+
 const Analytics: React.FC = () => {
   const [timeRange, setTimeRange] = useState('30'); // 修改默认值为'30'与API匹配
   const [selectedKOL, setSelectedKOL] = useState('all');
@@ -159,6 +173,9 @@ const Analytics: React.FC = () => {
   const [kolError, setKolError] = useState<string | null>(null); // 新增KOL数据错误状态
   const [filteredEngagementData, setFilteredEngagementData] = useState<EngagementData[]>([]);
   const [postDataLoading, setPostDataLoading] = useState(true); // 添加贴文数据加载状态
+  const [trendLoading, setTrendLoading] = useState(true);
+  const [trendError, setTrendError] = useState<string | null>(null);
+  const [maxTimelineCount, setMaxTimelineCount] = useState(1); // 设置默认值为1避免除以零
   
   // 添加项目相关状态
   const [projects, setProjects] = useState<Project[]>([
@@ -281,6 +298,9 @@ const Analytics: React.FC = () => {
     // 获取概览卡片数据
     fetchDashboardCards();
     
+    // 获取留言趋势数据
+    fetchCommentTrend();
+    
     const fetchAnalyticsData = async () => {
       try {
         setLoading(true);
@@ -294,17 +314,6 @@ const Analytics: React.FC = () => {
           { name: 'YouTube', value: 5, color: '#FF0000' }
         ]);
 
-        // Set mock timeline data
-        setTimelineData([
-          { date: '2023-01-01', comments: 10 },
-          { date: '2023-01-02', comments: 15 },
-          { date: '2023-01-03', comments: 8 },
-          { date: '2023-01-04', comments: 12 },
-          { date: '2023-01-05', comments: 20 },
-          { date: '2023-01-06', comments: 18 },
-          { date: '2023-01-07', comments: 25 }
-        ]);
-
         // Set mock sentiment data
         setSentimentData({ positive: 65, neutral: 20, negative: 15 });
 
@@ -652,8 +661,6 @@ const Analytics: React.FC = () => {
     }
   };
 
-  const maxTimelineCount = Math.max(...timelineData.map(item => item.comments));
-
   // Add new function to handle influencer tracking form submission
   const handleTrackInfluencer = async (e: React.FormEvent) => {
     e.preventDefault();
@@ -930,6 +937,68 @@ const Analytics: React.FC = () => {
     }
   };
 
+  // 获取留言趋势数据
+  const fetchCommentTrend = async () => {
+    try {
+      setTrendLoading(true);
+      
+      // 构建留言趋势API URL
+      const url = `http://localhost:4000/api/analytics/comment-trend?timeRange=${timeRange}`;
+      
+      // 添加项目过滤参数（如果选择了特定项目）
+      const urlWithFilters = selectedProject !== 'all' 
+        ? `${url}&projectId=${selectedProject}` 
+        : url;
+      
+      // 添加平台过滤参数（如果选择了特定平台）
+      const finalUrl = selectedPlatform !== 'all' 
+        ? `${urlWithFilters}&platform=${selectedPlatform}` 
+        : urlWithFilters;
+      
+      console.log('请求留言趋势数据URL:', finalUrl);
+      
+      const response = await fetch(finalUrl, {
+        method: 'GET',
+        headers: {
+          'Content-Type': 'application/json',
+          'Authorization': `Bearer ${localStorage.getItem('token') || ''}`,
+        },
+      });
+      
+      if (response.ok) {
+        const result = await response.json() as CommentTrendResponse;
+        
+        if (result.success) {
+          // 将API返回的数据映射到TimelineData结构
+          const mappedData = result.data.map((item: { date: string; count: number }) => ({
+            date: item.date,
+            comments: item.count
+          }));
+          
+          setTimelineData(mappedData);
+          setMaxTimelineCount(result.metadata.max_count || 1); // 避免除以零
+          
+          // 如果API返回了模拟数据标志
+          if ('is_mock_data' in result && result.is_mock_data) {
+            console.info('注意: 使用的是模拟留言趋势数据');
+          }
+        } else {
+          setTrendError(result.error || '获取留言趋势数据失败');
+          console.error('API调用失败:', result.error || '未知错误');
+        }
+      } else {
+        const errorText = await response.text();
+        setTrendError(`获取失败 (${response.status}): ${errorText}`);
+        console.error('获取留言趋势数据失败，HTTP状态:', response.status, errorText);
+      }
+    } catch (error) {
+      setTrendError(`获取留言趋势数据时发生错误: ${error instanceof Error ? error.message : String(error)}`);
+      console.error('获取留言趋势数据时发生错误:', error);
+    } finally {
+      setTrendLoading(false);
+    }
+  };
+
   return (
     <div className="flex-1 overflow-auto">
       <div className="p-6">
@@ -1470,26 +1539,45 @@ const Analytics: React.FC = () => {
             {/* 留言趋势图 */}
             <div className="p-6 mb-8 bg-white rounded-lg shadow">
               <h3 className="mb-4 text-lg font-medium text-gray-800">留言趋势</h3>
-              <div className="h-64">
+              {trendLoading ? (
-                <div className="flex items-end space-x-2 h-52">
+                <div className="flex flex-col items-center justify-center h-64">
-                  {timelineData.map((item, index) => (
+                  <div className="w-12 h-12 border-4 border-blue-500 rounded-full border-t-transparent animate-spin"></div>
-                    <div key={index} className="flex flex-col items-center justify-end flex-1">
+                  <p className="mt-4 text-gray-600">加载留言趋势数据中...</p>
-                      <div 
-                        className="w-full transition-all duration-500 ease-in-out bg-blue-500 rounded-t-md hover:bg-blue-600"
-                        style={{ 
-                          height: `${(item.comments / maxTimelineCount) * 100}%`,
-                          minHeight: '10%'
-                        }}
-                      >
-                        <div className="invisible py-1 text-xs text-center text-white group-hover:visible">
-                          {item.comments}
-                        </div>
-                      </div>
-                      <p className="mt-2 text-xs text-center">{item.date}</p>
-                    </div>
-                  ))}
                 </div>
-              </div>
+              ) : trendError ? (
+                <div className="flex flex-col items-center justify-center h-64 p-4 rounded-lg bg-red-50">
+                  <AlertTriangle className="w-10 h-10 mb-2 text-red-500" />
+                  <p className="text-center text-red-600">{trendError}</p>
+                </div>
+              ) : timelineData.length === 0 ? (
+                <div className="flex flex-col items-center justify-center h-64 p-4 rounded-lg bg-gray-50">
+                  <MessageSquare className="w-10 h-10 mb-2 text-gray-400" />
+                  <p className="text-center text-gray-600">没有找到留言趋势数据</p>
+                </div>
+              ) : (
+                <div className="h-64">
+                  <div className="flex items-end space-x-0.5 h-52 overflow-x-auto">
+                    {timelineData.map((item, index) => (
+                      <div key={index} className="flex flex-col items-center justify-end min-w-[15px] group">
+                        <div 
+                          className="w-full transition-all duration-300 ease-in-out bg-blue-500 rounded-t-md hover:bg-blue-600 group-hover:relative"
+                          style={{ 
+                            height: `${(item.comments / maxTimelineCount) * 100}%`,
+                            minHeight: '4px'
+                          }}
+                        >
+                          <div className="absolute invisible px-2 py-1 mb-1 text-xs text-white transform -translate-x-1/2 bg-gray-800 rounded bottom-full left-1/2 group-hover:visible whitespace-nowrap">
+                            {item.comments} 留言
+                          </div>
+                        </div>
+                        <p className="mt-2 text-xs text-center truncate" style={{ writingMode: 'vertical-rl', textOrientation: 'mixed', transform: 'rotate(180deg)', maxHeight: '80px' }}>
+                          {new Date(item.date).toLocaleDateString('zh-CN', { month: 'short', day: 'numeric' })}
+                        </p>
+                      </div>
+                    ))}
+                  </div>
+                </div>
+              )}
             </div>
 
             <div className="grid grid-cols-1 gap-6 mb-8 lg:grid-cols-2">