统计面板继续迭代

src/App.tsx

@@ -51,9 +51,11 @@ function App() {
                 <Routes>
                   <Route path="dashboard" element={<AdminDashboardPage />} />
                   <Route path="questions" element={<QuestionManagePage />} />
+                  <Route path="question-bank" element={<QuestionManagePage />} />
                   <Route path="categories" element={<QuestionCategoryPage />} />
                   <Route path="subjects" element={<ExamSubjectPage />} />
                   <Route path="tasks" element={<ExamTaskPage />} />
+                  <Route path="exam-tasks" element={<ExamTaskPage />} />
                   <Route path="users" element={<UserManagePage />} />
                   <Route path="config" element={<QuizConfigPage />} />
                   <Route path="statistics" element={<StatisticsPage />} />
@@ -72,4 +74,4 @@ function App() {
   );
 }
 
-export default App;
+export default App;

src/pages/admin/AdminDashboardPage.tsx

@@ -1,20 +1,34 @@
 import { useState, useEffect } from 'react';
+import { useNavigate } from 'react-router-dom';
 import { Card, Row, Col, Statistic, Button, Table, message } from 'antd';
-import { 
-  UserOutlined, 
-  QuestionCircleOutlined, 
-  BarChartOutlined,
-  ReloadOutlined
+import {
+  TeamOutlined,
+  DatabaseOutlined,
+  BookOutlined,
+  CalendarOutlined,
+  ReloadOutlined,
 } from '@ant-design/icons';
 import { adminAPI, quizAPI } from '../../services/api';
 import { formatDateTime } from '../../utils/validation';
-import { PieChart, Pie, Cell, ResponsiveContainer, Tooltip as RechartsTooltip, Legend, Label } from 'recharts';
+import {
+  PieChart,
+  Pie,
+  Cell,
+  ResponsiveContainer,
+  Tooltip as RechartsTooltip,
+  Legend,
+  Label,
+} from 'recharts';
 
-interface Statistics {
+interface DashboardOverview {
   totalUsers: number;
-  totalRecords: number;
-  averageScore: number;
-  typeStats: Array<{ type: string; total: number; correct: number; correctRate: number }>;
+  activeSubjectCount: number;
+  questionCategoryStats: Array<{ category: string; count: number }>;
+  taskStatusDistribution: {
+    completed: number;
+    ongoing: number;
+    notStarted: number;
+  };
 }
 
 interface RecentRecord {
@@ -43,9 +57,21 @@ interface ActiveTaskStat {
 }
 
 const AdminDashboardPage = () => {
-  const [statistics, setStatistics] = useState<Statistics | null>(null);
+  const navigate = useNavigate();
+  const [overview, setOverview] = useState<DashboardOverview | null>(null);
   const [recentRecords, setRecentRecords] = useState<RecentRecord[]>([]);
-  const [activeTasks, setActiveTasks] = useState<ActiveTaskStat[]>([]);
+  const [historyTasks, setHistoryTasks] = useState<ActiveTaskStat[]>([]);
+  const [upcomingTasks, setUpcomingTasks] = useState<ActiveTaskStat[]>([]);
+  const [historyPagination, setHistoryPagination] = useState({
+    page: 1,
+    limit: 5,
+    total: 0,
+  });
+  const [upcomingPagination, setUpcomingPagination] = useState({
+    page: 1,
+    limit: 5,
+    total: 0,
+  });
   const [loading, setLoading] = useState(false);
 
   useEffect(() => {
@@ -55,16 +81,33 @@ const AdminDashboardPage = () => {
   const fetchDashboardData = async () => {
     try {
       setLoading(true);
-      // 并行获取所有数据，提高性能
-      const [statsResponse, recordsResponse, activeTasksResponse] = await Promise.all([
-        adminAPI.getStatistics(),
-        fetchRecentRecords(),
-        adminAPI.getActiveTasksStats()
-      ]);
-      
-      setStatistics(statsResponse.data);
+      const [overviewResponse, recordsResponse, historyResponse, upcomingResponse] =
+        await Promise.all([
+          adminAPI.getDashboardOverview(),
+          fetchRecentRecords(),
+          adminAPI.getHistoryTaskStats({ page: 1, limit: 5 }),
+          adminAPI.getUpcomingTaskStats({ page: 1, limit: 5 }),
+        ]);
+
+      setOverview(overviewResponse.data);
       setRecentRecords(recordsResponse);
-      setActiveTasks(activeTasksResponse.data);
+      setHistoryTasks((historyResponse as any).data || []);
+      setUpcomingTasks((upcomingResponse as any).data || []);
+
+      if ((historyResponse as any).pagination) {
+        setHistoryPagination({
+          page: (historyResponse as any).pagination.page,
+          limit: (historyResponse as any).pagination.limit,
+          total: (historyResponse as any).pagination.total,
+        });
+      }
+      if ((upcomingResponse as any).pagination) {
+        setUpcomingPagination({
+          page: (upcomingResponse as any).pagination.page,
+          limit: (upcomingResponse as any).pagination.limit,
+          total: (upcomingResponse as any).pagination.total,
+        });
+      }
     } catch (error: any) {
       message.error(error.message || '获取数据失败');
     } finally {
@@ -72,11 +115,63 @@ const AdminDashboardPage = () => {
     }
   };
 
+  const fetchHistoryTasks = async (page: number) => {
+    try {
+      setLoading(true);
+      const response = (await adminAPI.getHistoryTaskStats({ page, limit: 5 })) as any;
+      setHistoryTasks(response.data || []);
+      if (response.pagination) {
+        setHistoryPagination({
+          page: response.pagination.page,
+          limit: response.pagination.limit,
+          total: response.pagination.total,
+        });
+      }
+    } catch (error: any) {
+      message.error(error.message || '获取历史考试任务统计失败');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const fetchUpcomingTasks = async (page: number) => {
+    try {
+      setLoading(true);
+      const response = (await adminAPI.getUpcomingTaskStats({ page, limit: 5 })) as any;
+      setUpcomingTasks(response.data || []);
+      if (response.pagination) {
+        setUpcomingPagination({
+          page: response.pagination.page,
+          limit: response.pagination.limit,
+          total: response.pagination.total,
+        });
+      }
+    } catch (error: any) {
+      message.error(error.message || '获取未开始考试任务统计失败');
+    } finally {
+      setLoading(false);
+    }
+  };
+
   const fetchRecentRecords = async () => {
     const response = await quizAPI.getAllRecords({ page: 1, limit: 10 }) as any;
     return response.data || [];
   };
 
+  const categoryPieData =
+    overview?.questionCategoryStats?.map((item) => ({
+      name: item.category,
+      value: item.count,
+    })) || [];
+
+  const taskStatusPieData = overview
+    ? [
+        { name: '已完成', value: overview.taskStatusDistribution.completed, color: '#008C8C' },
+        { name: '进行中', value: overview.taskStatusDistribution.ongoing, color: '#00A3A3' },
+        { name: '未开始', value: overview.taskStatusDistribution.notStarted, color: '#f0f0f0' },
+      ].filter((i) => i.value > 0)
+    : [];
+
   const columns = [
     {
       title: '姓名',
@@ -124,6 +219,128 @@ const AdminDashboardPage = () => {
     },
   ];
 
+  const taskStatsColumns = [
+    {
+      title: '任务名称',
+      dataIndex: 'taskName',
+      key: 'taskName',
+    },
+    {
+      title: '科目',
+      dataIndex: 'subjectName',
+      key: 'subjectName',
+    },
+    {
+      title: '指定考试人数',
+      dataIndex: 'totalUsers',
+      key: 'totalUsers',
+    },
+    {
+      title: '考试进度',
+      key: 'progress',
+      render: (_: any, record: ActiveTaskStat) => {
+        const now = new Date();
+        const start = new Date(record.startAt);
+        const end = new Date(record.endAt);
+
+        const totalDuration = end.getTime() - start.getTime();
+        const elapsedDuration = now.getTime() - start.getTime();
+        const progress =
+          totalDuration > 0
+            ? Math.max(0, Math.min(100, Math.round((elapsedDuration / totalDuration) * 100)))
+            : 0;
+
+        return (
+          <div className="flex items-center">
+            <div className="w-32 h-4 bg-gray-200 rounded-full mr-2 overflow-hidden">
+              <div
+                className="h-full bg-mars-500 rounded-full transition-all duration-300"
+                style={{ width: `${progress}%` }}
+              ></div>
+            </div>
+            <span className="font-semibold text-mars-600">{progress}%</span>
+          </div>
+        );
+      },
+    },
+    {
+      title: '考试人数统计',
+      key: 'statistics',
+      render: (_: any, record: ActiveTaskStat) => {
+        const total = record.totalUsers;
+        const completed = record.completedUsers;
+
+        const passedTotal = Math.round(completed * (record.passRate / 100));
+        const excellentTotal = Math.round(completed * (record.excellentRate / 100));
+
+        const incomplete = total - completed;
+        const failed = completed - passedTotal;
+        const passedOnly = passedTotal - excellentTotal;
+        const excellent = excellentTotal;
+
+        const pieData = [
+          { name: '优秀', value: excellent, color: '#008C8C' },
+          { name: '合格', value: passedOnly, color: '#00A3A3' },
+          { name: '不及格', value: failed, color: '#ff4d4f' },
+          { name: '未完成', value: incomplete, color: '#f0f0f0' },
+        ];
+
+        const filteredData = pieData.filter((item) => item.value > 0);
+        const completionRate = total > 0 ? Math.round((completed / total) * 100) : 0;
+
+        return (
+          <div className="w-full h-20">
+            <ResponsiveContainer width="100%" height="100%">
+              <PieChart>
+                <Pie
+                  data={filteredData}
+                  cx="50%"
+                  cy="50%"
+                  innerRadius={25}
+                  outerRadius={35}
+                  paddingAngle={2}
+                  dataKey="value"
+                >
+                  {filteredData.map((entry, index) => (
+                    <Cell key={`cell-${index}`} fill={entry.color} stroke="none" />
+                  ))}
+                  <Label
+                    value={`${completionRate}%`}
+                    position="center"
+                    className="text-sm font-bold fill-gray-700"
+                  />
+                </Pie>
+                <RechartsTooltip
+                  formatter={(value: any) => [`${value} 人`, '数量']}
+                  contentStyle={{
+                    borderRadius: '8px',
+                    border: 'none',
+                    boxShadow: '0 2px 8px rgba(0,0,0,0.15)',
+                    fontSize: '12px',
+                    padding: '8px',
+                  }}
+                />
+                <Legend
+                  layout="vertical"
+                  verticalAlign="middle"
+                  align="right"
+                  iconType="circle"
+                  iconSize={8}
+                  wrapperStyle={{ fontSize: '12px' }}
+                  formatter={(value, entry: any) => (
+                    <span className="text-xs text-gray-600 ml-1">
+                      {value} {entry.payload.value}
+                    </span>
+                  )}
+                />
+              </PieChart>
+            </ResponsiveContainer>
+          </div>
+        );
+      },
+    },
+  ];
+
   return (
     <div>
       <div className="flex justify-between items-center mb-6">
@@ -141,197 +358,144 @@ const AdminDashboardPage = () => {
 
       {/* 统计卡片 */}
       <Row gutter={16} className="mb-8">
-        <Col span={8}>
-          <Card className="shadow-sm hover:shadow-md transition-shadow">
+        <Col span={6}>
+          <Card
+            className="shadow-sm hover:shadow-md transition-shadow cursor-pointer"
+            onClick={() => navigate('/admin/users')}
+          >
             <Statistic
               title="总用户数"
-              value={statistics?.totalUsers || 0}
-              prefix={<UserOutlined className="text-mars-400" />}
+              value={overview?.totalUsers || 0}
+              prefix={<TeamOutlined className="text-mars-400" />}
               valueStyle={{ color: '#008C8C' }}
             />
           </Card>
         </Col>
-        <Col span={8}>
-          <Card className="shadow-sm hover:shadow-md transition-shadow">
+
+        <Col span={6}>
+          <Card
+            className="shadow-sm hover:shadow-md transition-shadow cursor-pointer"
+            onClick={() => navigate('/admin/question-bank')}
+            styles={{ body: { padding: 16 } }}
+          >
+            <div className="flex items-center justify-between mb-2">
+              <div className="text-sm text-gray-600">题库统计</div>
+              <DatabaseOutlined className="text-mars-400" />
+            </div>
+            <div className="w-full h-24">
+              <ResponsiveContainer width="100%" height="100%">
+                <PieChart>
+                  <Pie
+                    data={categoryPieData.filter((i) => i.value > 0)}
+                    cx="50%"
+                    cy="50%"
+                    innerRadius={25}
+                    outerRadius={40}
+                    paddingAngle={2}
+                    dataKey="value"
+                  >
+                    {categoryPieData.map((_, index) => (
+                      <Cell
+                        key={`cell-${index}`}
+                        fill={['#008C8C', '#00A3A3', '#3D9D9D', '#8CCCCC'][index % 4]}
+                        stroke="none"
+                      />
+                    ))}
+                  </Pie>
+                  <RechartsTooltip formatter={(value: any) => [`${value} 题`, '数量']} />
+                </PieChart>
+              </ResponsiveContainer>
+            </div>
+          </Card>
+        </Col>
+
+        <Col span={6}>
+          <Card
+            className="shadow-sm hover:shadow-md transition-shadow cursor-pointer"
+            onClick={() => navigate('/admin/subjects')}
+          >
             <Statistic
-              title="答题记录"
-              value={statistics?.totalRecords || 0}
-              prefix={<BarChartOutlined className="text-mars-400" />}
+              title="考试科目"
+              value={overview?.activeSubjectCount || 0}
+              prefix={<BookOutlined className="text-mars-400" />}
               valueStyle={{ color: '#008C8C' }}
+              suffix="个"
             />
           </Card>
         </Col>
-        <Col span={8}>
-          <Card className="shadow-sm hover:shadow-md transition-shadow">
-            <Statistic
-              title="平均得分"
-              value={statistics?.averageScore || 0}
-              precision={1}
-              prefix={<QuestionCircleOutlined className="text-mars-400" />}
-              valueStyle={{ color: '#008C8C' }}
-              suffix="分"
-            />
+
+        <Col span={6}>
+          <Card
+            className="shadow-sm hover:shadow-md transition-shadow cursor-pointer"
+            onClick={() => navigate('/admin/exam-tasks')}
+            styles={{ body: { padding: 16 } }}
+          >
+            <div className="flex items-center justify-between mb-2">
+              <div className="text-sm text-gray-600">考试任务</div>
+              <CalendarOutlined className="text-mars-400" />
+            </div>
+            <div className="w-full h-24">
+              <ResponsiveContainer width="100%" height="100%">
+                <PieChart>
+                  <Pie
+                    data={taskStatusPieData}
+                    cx="50%"
+                    cy="50%"
+                    innerRadius={25}
+                    outerRadius={40}
+                    paddingAngle={2}
+                    dataKey="value"
+                  >
+                    {taskStatusPieData.map((entry, index) => (
+                      <Cell key={`cell-${index}`} fill={entry.color} stroke="none" />
+                    ))}
+                    <Label
+                      value={`${taskStatusPieData.reduce((sum, i) => sum + i.value, 0)}`}
+                      position="center"
+                      className="text-sm font-bold fill-gray-700"
+                    />
+                  </Pie>
+                  <RechartsTooltip formatter={(value: any) => [`${value} 个`, '数量']} />
+                </PieChart>
+              </ResponsiveContainer>
+            </div>
           </Card>
         </Col>
       </Row>
 
-      {/* 题型正确率统计 */}
-      {statistics?.typeStats && statistics.typeStats.length > 0 && (
-        <Card title="题型正确率统计" className="mb-8 shadow-sm">
-          <Row gutter={16}>
-            {statistics.typeStats.map((stat) => (
-              <Col span={6} key={stat.type}>
-                <Card size="small" className="text-center hover:shadow-sm transition-shadow">
-                  <div className="text-sm text-gray-600 mb-2">
-                    {stat.type === 'single' && '单选题'}
-                    {stat.type === 'multiple' && '多选题'}
-                    {stat.type === 'judgment' && '判断题'}
-                    {stat.type === 'text' && '文字题'}
-                  </div>
-                  <div className="text-2xl font-bold text-mars-600">
-                    {stat.correctRate}%
-                  </div>
-                  <div className="text-xs text-gray-500">
-                    {stat.correct}/{stat.total}
-                  </div>
-                </Card>
-              </Col>
-            ))}
-          </Row>
-        </Card>
-      )}
+      <Card title="历史考试任务统计" className="mb-8 shadow-sm">
+        <Table
+          columns={taskStatsColumns}
+          dataSource={historyTasks}
+          rowKey="taskId"
+          loading={loading}
+          size="small"
+          pagination={{
+            current: historyPagination.page,
+            pageSize: 5,
+            total: historyPagination.total,
+            showSizeChanger: false,
+            onChange: (page) => fetchHistoryTasks(page),
+          }}
+        />
+      </Card>
 
-      {/* 当前有效考试任务统计 */}
-      {activeTasks.length > 0 && (
-        <Card title="当前有效考试任务统计" className="mb-8 shadow-sm">
-          <Table
-            columns={[
-              {
-                title: '任务名称',
-                dataIndex: 'taskName',
-                key: 'taskName',
-              },
-              {
-                title: '科目',
-                dataIndex: 'subjectName',
-                key: 'subjectName',
-              },
-              {
-                title: '指定考试人数',
-                dataIndex: 'totalUsers',
-                key: 'totalUsers',
-              },
-              {
-                title: '考试进度',
-                key: 'progress',
-                render: (_: any, record: ActiveTaskStat) => {
-                  // 计算考试进度百分率
-                  const now = new Date();
-                  const start = new Date(record.startAt);
-                  const end = new Date(record.endAt);
-                  
-                  // 计算总时长（毫秒）
-                  const totalDuration = end.getTime() - start.getTime();
-                  // 计算已经过去的时长（毫秒）
-                  const elapsedDuration = now.getTime() - start.getTime();
-                  // 计算进度百分率，确保在0-100之间
-                  const progress = Math.max(0, Math.min(100, Math.round((elapsedDuration / totalDuration) * 100)));
-                  
-                  return (
-                    <div className="flex items-center">
-                      <div className="w-32 h-4 bg-gray-200 rounded-full mr-2 overflow-hidden">
-                        <div 
-                          className="h-full bg-mars-500 rounded-full transition-all duration-300" 
-                          style={{ width: `${progress}%` }}
-                        ></div>
-                      </div>
-                      <span className="font-semibold text-mars-600">{progress}%</span>
-                    </div>
-                  );
-                },
-              },
-              {
-                title: '考试人数统计',
-                key: 'statistics',
-                render: (_: any, record: ActiveTaskStat) => {
-                  // 计算各类人数
-                  const total = record.totalUsers;
-                  const completed = record.completedUsers;
-                  
-                  // 原始计算
-                  const passedTotal = Math.round(completed * (record.passRate / 100));
-                  const excellentTotal = Math.round(completed * (record.excellentRate / 100));
-                  
-                  // 互斥分类计算
-                  const incomplete = total - completed;
-                  const failed = completed - passedTotal;
-                  const passedOnly = passedTotal - excellentTotal;
-                  const excellent = excellentTotal;
-                  
-                  // 准备环形图数据 (互斥分类)
-                  const pieData = [
-                    { name: '优秀', value: excellent, color: '#008C8C' },   // Mars Green (Primary)
-                    { name: '合格', value: passedOnly, color: '#00A3A3' },  // Mars Light
-                    { name: '不及格', value: failed, color: '#ff4d4f' },    // Red (Error)
-                    { name: '未完成', value: incomplete, color: '#f0f0f0' } // Gray
-                  ];
-                  
-                  // 只显示有数据的项
-                  const filteredData = pieData.filter(item => item.value > 0);
-                  
-                  // 计算完成率用于中间显示
-                  const completionRate = total > 0 ? Math.round((completed / total) * 100) : 0;
-
-                  return (
-                    <div className="w-full h-20">
-                      <ResponsiveContainer width="100%" height="100%">
-                        <PieChart>
-                          <Pie
-                            data={filteredData}
-                            cx="50%"
-                            cy="50%"
-                            innerRadius={25}
-                            outerRadius={35}
-                            paddingAngle={2}
-                            dataKey="value"
-                          >
-                            {filteredData.map((entry, index) => (
-                              <Cell key={`cell-${index}`} fill={entry.color} stroke="none" />
-                            ))}
-                            <Label 
-                              value={`${completionRate}%`} 
-                              position="center" 
-                              className="text-sm font-bold fill-gray-700"
-                            />
-                          </Pie>
-                          <RechartsTooltip 
-                            formatter={(value: any) => [`${value} 人`, '数量']}
-                            contentStyle={{ borderRadius: '8px', border: 'none', boxShadow: '0 2px 8px rgba(0,0,0,0.15)', fontSize: '12px', padding: '8px' }}
-                          />
-                          <Legend 
-                            layout="vertical" 
-                            verticalAlign="middle" 
-                            align="right" 
-                            iconType="circle"
-                            iconSize={8}
-                            wrapperStyle={{ fontSize: '12px' }}
-                            formatter={(value, entry: any) => <span className="text-xs text-gray-600 ml-1">{value} {entry.payload.value}</span>} 
-                          />
-                        </PieChart>
-                      </ResponsiveContainer>
-                    </div>
-                  );
-                },
-              },
-            ]}
-            dataSource={activeTasks}
-            rowKey="taskId"
-            loading={loading}
-            pagination={false}
-            size="small"
-          />
-        </Card>
-      )}
+      <Card title="未开始考试任务统计" className="mb-8 shadow-sm">
+        <Table
+          columns={taskStatsColumns}
+          dataSource={upcomingTasks}
+          rowKey="taskId"
+          loading={loading}
+          size="small"
+          pagination={{
+            current: upcomingPagination.page,
+            pageSize: 5,
+            total: upcomingPagination.total,
+            showSizeChanger: false,
+            onChange: (page) => fetchUpcomingTasks(page),
+          }}
+        />
+      </Card>
 
       {/* 最近答题记录 */}
       <Card title="最近答题记录" className="shadow-sm">

src/pages/admin/StatisticsPage.tsx

@@ -1,6 +1,6 @@
 import { useState, useEffect } from 'react';
 import { Card, Row, Col, Statistic, Table, DatePicker, Button, message, Tabs, Select } from 'antd';
-import { BarChart, Bar, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer, PieChart, Pie, Cell, LineChart, Line } from 'recharts';
+import { Tooltip, ResponsiveContainer, PieChart, Pie, Cell } from 'recharts';
 import api, { adminAPI, quizAPI } from '../../services/api';
 import { formatDateTime } from '../../utils/validation';
 
@@ -180,15 +180,6 @@ const StatisticsPage = () => {
     message.success('数据导出成功');
   };
 
-  // 准备图表数据
-  const typeChartData = statistics?.typeStats.map(stat => ({
-    name: stat.type === 'single' ? '单选题' : 
-          stat.type === 'multiple' ? '多选题' : 
-          stat.type === 'judgment' ? '判断题' : '文字题',
-    正确率: stat.correctRate,
-    总题数: stat.total,
-  })) || [];
-
   const scoreDistribution = [
     { range: '0-59分', count: records.filter(r => r.totalScore < 60).length },
     { range: '60-69分', count: records.filter(r => r.totalScore >= 60 && r.totalScore < 70).length },
@@ -292,20 +283,7 @@ const StatisticsPage = () => {
         <TabPane tab="总体概览" key="overview">
           {/* 图表 */}
           <Row gutter={16} className="mb-8">
-            <Col span={12}>
-              <Card title="题型正确率对比" className="shadow-sm">
-                <ResponsiveContainer width="100%" height={300}>
-                  <BarChart data={typeChartData}>
-                    <CartesianGrid strokeDasharray="3 3" />
-                    <XAxis dataKey="name" />
-                    <YAxis />
-                    <Tooltip formatter={(value) => [`${value}%`, '正确率']} />
-                    <Bar dataKey="正确率" fill="#1890ff" />
-                  </BarChart>
-                </ResponsiveContainer>
-              </Card>
-            </Col>
-            <Col span={12}>
+            <Col span={24}>
               <Card title="分数分布" className="shadow-sm">
                 <ResponsiveContainer width="100%" height={300}>
                   <PieChart>

src/services/api.ts

@@ -110,6 +110,11 @@ export const adminAPI = {
   updateQuizConfig: (data: any) => api.put('/admin/config', data),
   getStatistics: () => api.get('/admin/statistics'),
   getActiveTasksStats: () => api.get('/admin/active-tasks'),
+  getDashboardOverview: () => api.get('/admin/dashboard/overview'),
+  getHistoryTaskStats: (params?: { page?: number; limit?: number }) =>
+    api.get('/admin/tasks/history-stats', { params }),
+  getUpcomingTaskStats: (params?: { page?: number; limit?: number }) =>
+    api.get('/admin/tasks/upcoming-stats', { params }),
   getUserStats: () => api.get('/admin/statistics/users'),
   getSubjectStats: () => api.get('/admin/statistics/subjects'),
   getTaskStats: () => api.get('/admin/statistics/tasks'),