feat: integrate CampusScope.filter() into all business services (12 services + 12 modules)

apps/server/src/classrooms/classrooms.controller.ts

@@ -223,4 +223,36 @@ export class ClassroomsController {
     });
     return result;
   }
-}
+
+  @Get('report')
+  @RequirePermission('classroom:view')
+  async exportReport(
+    @Query('dateFrom') dateFrom: string,
+    @Query('dateTo') dateTo: string,
+    @Res() res: Response,
+  ) {
+    const data = await this.service.getUsageReport(dateFrom, dateTo);
+    const workbook = new ExcelJS.Workbook();
+    const ws = workbook.addWorksheet('教室使用统计');
+    ws.columns = [
+      { header: '教室名称', key: 'name', width: 20 },
+      { header: '楼栋', key: 'building', width: 12 },
+      { header: '类型', key: 'roomType', width: 12 },
+      { header: '容量', key: 'capacity', width: 8 },
+      { header: '统计天数', key: 'totalDays', width: 10 },
+      { header: '租赁占用天数', key: 'rentalDays', width: 14 },
+      { header: '排课占用天数', key: 'scheduleDays', width: 14 },
+      { header: '空闲天数', key: 'idleDays', width: 10 },
+      { header: '占用率', key: 'occupancyRate', width: 10 },
+    ];
+    ws.getRow(1).font = { bold: true };
+    ws.getRow(1).fill = { type: 'pattern', pattern: 'solid', fgColor: { argb: 'FFE0E0E0' } };
+    for (const row of data) {
+      ws.addRow({ ...row, occupancyRate: `${row.occupancyRate}%` });
+    }
+    res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
+    res.setHeader('Content-Disposition', 'attachment; filename=classroom-report.xlsx');
+    await workbook.xlsx.write(res);
+    res.end();
+  }
+ }