forked from wangziqi/gongxue-base
490 lines
19 KiB
TypeScript
490 lines
19 KiB
TypeScript
import { BadRequestException, Injectable } from '@nestjs/common';
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import { InjectRepository } from '@nestjs/typeorm';
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import { Repository, IsNull, Not, MoreThanOrEqual, In } from 'typeorm';
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import { Room } from '../entities/room.entity';
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import { Student } from '../entities/student.entity';
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import { Occupancy } from '../entities/occupancy.entity';
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import { Bill } from '../entities/bill.entity';
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import { RoomExpense } from '../entities/room-expense.entity';
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import { Classroom } from '../entities/classroom.entity';
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import { ClassSchedule } from '../entities/class-schedule.entity';
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import { AttendanceRecord } from '../entities/attendance-record.entity';
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import { Class } from '../entities/class.entity';
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import { Deposit } from '../entities/deposit.entity';
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import { ClassroomRental } from '../entities/classroom-rental.entity';
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import { ClassTeacher } from '../entities/class-teacher.entity';
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import { ClassStudent } from '../entities/class-student.entity';
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@Injectable()
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export class DashboardService {
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constructor(
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@InjectRepository(Room) private roomRepo: Repository<Room>,
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@InjectRepository(Student) private studentRepo: Repository<Student>,
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@InjectRepository(Occupancy) private occRepo: Repository<Occupancy>,
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@InjectRepository(Bill) private billRepo: Repository<Bill>,
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@InjectRepository(RoomExpense) private expRepo: Repository<RoomExpense>,
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@InjectRepository(Classroom) private classroomRepo: Repository<Classroom>,
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@InjectRepository(ClassSchedule) private scheduleRepo: Repository<ClassSchedule>,
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@InjectRepository(AttendanceRecord) private attendanceRepo: Repository<AttendanceRecord>,
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@InjectRepository(Class) private classRepo: Repository<Class>,
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@InjectRepository(Deposit) private depositRepo: Repository<Deposit>,
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@InjectRepository(ClassroomRental) private rentalRepo: Repository<ClassroomRental>,
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@InjectRepository(ClassTeacher) private classTeacherRepo: Repository<ClassTeacher>,
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@InjectRepository(ClassStudent) private classStudentRepo: Repository<ClassStudent>,
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) {}
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async getAccessibleClassIds(userId: number, canManageAll = false): Promise<number[] | undefined> {
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if (canManageAll) return undefined;
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const assignments = await this.classTeacherRepo.find({ where: { userId } });
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return [...new Set(assignments.map((assignment) => assignment.classId))];
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}
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async getStats(accessibleClassIds?: number[]) {
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const todayStr = this.getChinaDate(new Date());
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const currentMonth = todayStr.slice(0, 7); // YYYY-MM
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const totalRooms = await this.roomRepo.count({ where: { status: Not('archived') } });
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const totalStudents = accessibleClassIds
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? await this.countStudentsInClasses(accessibleClassIds)
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: await this.studentRepo.count({ where: { status: 'active' } });
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const occupiedBeds = await this.occRepo.count({ where: { checkOutDate: IsNull() } });
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const capQb = this.roomRepo
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.createQueryBuilder('r')
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.select('SUM(r.capacity)', 'total')
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.where('r.status != :archived', { archived: 'archived' });
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const totalCapacity = await capQb.getRawOne();
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const cap = totalCapacity?.total || 0;
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const occupancyRate = cap > 0 ? ((occupiedBeds / cap) * 100).toFixed(1) : 0;
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const billStatsQb = this.billRepo
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.createQueryBuilder('b')
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.select('b.status', 'status')
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.addSelect('COUNT(*)', 'count')
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.addSelect('SUM(b.totalAmount)', 'total')
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.groupBy('b.status');
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const billStats = await billStatsQb.getRawMany();
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// New fields
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const classroomCount = await this.classroomRepo.count({ where: {} });
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const occQb = this.scheduleRepo
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.createQueryBuilder('s')
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.select('COUNT(DISTINCT s.classroomId)', 'cnt')
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.where('s.status = :active', { active: 'active' })
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.andWhere('s.startDate <= :today', { today: todayStr })
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.andWhere('s.endDate >= :today', { today: todayStr });
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const occResult = await occQb.getRawOne();
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const occupiedClassrooms = parseInt(occResult?.cnt || '0', 10);
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const classroomOccupancyRate =
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classroomCount > 0 ? ((occupiedClassrooms / classroomCount) * 100).toFixed(1) : 0;
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const attTodayQb = this.attendanceRepo
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.createQueryBuilder('a')
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.select('a.status', 'status')
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.addSelect('COUNT(*)', 'count')
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.where('a.attendanceDate = :today', { today: todayStr });
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this.applyClassScope(attTodayQb, 'a', accessibleClassIds);
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attTodayQb.groupBy('a.status');
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const attTodayStats = await attTodayQb.getRawMany();
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const todayTotal = attTodayStats.reduce((sum, r) => sum + parseInt(r.count, 10), 0);
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const todayPresent = attTodayStats
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.filter((r) => r.status === 'present')
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.reduce((sum, r) => sum + parseInt(r.count, 10), 0);
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const todayAttendanceRate = todayTotal > 0 ? ((todayPresent / todayTotal) * 100).toFixed(1) : 0;
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const incomeQb = this.billRepo
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.createQueryBuilder('b')
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.select('SUM(b.totalAmount)', 'total')
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.where('b.status = :paid', { paid: 'paid' })
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.andWhere('b.periodStart >= :start', { start: `${currentMonth}-01` })
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.andWhere('b.periodStart < :end', { end: this.nextMonth(currentMonth) });
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const incomeResult = await incomeQb.getRawOne();
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const monthlyIncome = parseFloat(incomeResult?.total || '0');
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const attendanceTrend = await this.getAttendanceTrend(todayStr, accessibleClassIds);
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const incomeTrend = await this.getIncomeTrend(currentMonth);
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// --- New stats ---
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const classCount = accessibleClassIds
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? accessibleClassIds.length
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: await this.classRepo.count({ where: {} });
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const teacherResult = await this.classTeacherRepo
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.createQueryBuilder('ct')
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.select('COUNT(DISTINCT ct.userId)', 'cnt')
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.getRawOne();
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const teacherCount = parseInt(teacherResult?.cnt || '0', 10);
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const pendingQb = this.depositRepo
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.createQueryBuilder('d')
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.select('SUM(d.amount)', 'total')
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.where('d.status = :paid', { paid: 'paid' });
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const pendingResult = await pendingQb.getRawOne();
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const pendingDeposits = parseFloat(pendingResult?.total || '0');
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const activeRentals = await this.rentalRepo.count({
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where: { status: 'active' as const, endDate: MoreThanOrEqual(todayStr) },
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});
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const occByBldQb = this.occRepo
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.createQueryBuilder('o')
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.leftJoin('o.room', 'r')
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.select('r.building', 'building')
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.addSelect('COUNT(*)', 'count')
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.where('o.checkOutDate IS NULL');
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const occupancyByBuilding = await occByBldQb.groupBy('r.building').getRawMany();
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const attendanceByStatus = attTodayStats.reduce(
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(acc, r) => {
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acc[r.status] = parseInt(r.count, 10);
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return acc;
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},
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{} as Record<string, number>,
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);
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const expByTypeQb = this.expRepo
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.createQueryBuilder('e')
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.select('e.expenseType', 'type')
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.addSelect('SUM(e.amount)', 'total')
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.where('e.periodStart >= :start', { start: `${currentMonth}-01` })
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.andWhere('e.periodEnd <= :end', { end: this.nextMonth(currentMonth) });
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const expenseByType = await expByTypeQb.groupBy('e.expenseType').getRawMany();
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return {
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totalRooms,
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totalStudents,
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occupiedBeds,
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totalCapacity: cap,
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occupancyRate,
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billStats,
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classroomCount,
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classroomOccupancyRate,
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todayPresent,
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monthlyIncome,
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classCount,
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teacherCount,
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pendingDeposits,
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activeRentals,
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occupancyByBuilding,
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attendanceByStatus,
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expenseByType,
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attendanceTrend,
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incomeTrend,
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};
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}
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private applyClassScope(
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qb: { andWhere: (condition: string, parameters?: Record<string, unknown>) => unknown },
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alias: string,
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accessibleClassIds?: number[],
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) {
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if (accessibleClassIds) {
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if (accessibleClassIds.length === 0) {
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qb.andWhere('1 = 0');
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return;
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}
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qb.andWhere(`${alias}.classId IN (:...accessibleClassIds)`, { accessibleClassIds });
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}
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}
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private async countStudentsInClasses(accessibleClassIds: number[]) {
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if (accessibleClassIds.length === 0) return 0;
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const classStudents = await this.classStudentRepo.find({
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where: { classId: In(accessibleClassIds), status: 'active' },
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});
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return new Set(classStudents.map((item) => item.studentId)).size;
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}
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private async getAttendanceTrend(todayStr: string, accessibleClassIds?: number[]) {
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const thirtyDaysAgo = new Date(todayStr);
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thirtyDaysAgo.setDate(thirtyDaysAgo.getDate() - 29);
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const startStr = thirtyDaysAgo.toISOString().slice(0, 10);
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const trendQb = this.attendanceRepo
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.createQueryBuilder('a')
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.select('a.attendanceDate', 'date')
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.addSelect('a.status', 'status')
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.addSelect('COUNT(*)', 'count')
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.where('a.attendanceDate >= :start', { start: startStr })
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.andWhere('a.attendanceDate <= :today', { today: todayStr });
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this.applyClassScope(trendQb, 'a', accessibleClassIds);
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const rows = await trendQb
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.groupBy('a.attendanceDate')
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.addGroupBy('a.status')
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.orderBy('a.attendanceDate', 'ASC')
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.getRawMany();
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const dayMap = new Map<string, { total: number; present: number }>();
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for (const row of rows) {
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const d = dayMap.get(row.date) || { total: 0, present: 0 };
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const cnt = parseInt(row.count, 10);
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d.total += cnt;
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if (row.status === 'present') d.present += cnt;
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dayMap.set(row.date, d);
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}
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return Array.from(dayMap.entries()).map(([date, d]) => ({
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date,
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rate: d.total > 0 ? ((d.present / d.total) * 100).toFixed(1) : 0,
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}));
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}
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private async getIncomeTrend(currentMonth: string) {
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const results: { month: string; amount: number }[] = [];
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for (let i = 5; i >= 0; i--) {
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const d = new Date(`${currentMonth}-01`);
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d.setMonth(d.getMonth() - i);
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const m = d.toISOString().slice(0, 7);
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const row = await this.billRepo
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.createQueryBuilder('b')
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.select('SUM(b.totalAmount)', 'total')
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.where('b.status = :paid', { paid: 'paid' })
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.andWhere('b.periodStart >= :start', { start: `${m}-01` })
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.andWhere('b.periodStart < :end', { end: this.nextMonth(m) })
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.getRawOne();
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results.push({
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month: m,
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amount: parseFloat(row?.total || '0'),
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});
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}
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return results;
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}
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private nextMonth(ym: string): string {
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const d = new Date(`${ym}-01`);
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d.setMonth(d.getMonth() + 1);
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return d.toISOString().slice(0, 7) + '-01';
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}
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// 甘特图数据：每个宿舍的入住时间线
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async getGanttData(query?: { periodStart?: string; periodEnd?: string; building?: string }) {
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this.assertPeriodRange(query?.periodStart, query?.periodEnd);
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const qb = this.occRepo
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.createQueryBuilder('o')
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.leftJoinAndSelect('o.student', 'student')
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.leftJoinAndSelect('o.room', 'room')
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.where('room.status != :archived', { archived: 'archived' })
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.orderBy('room.roomNumber', 'ASC')
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.addOrderBy('o.checkInDate', 'ASC');
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if (query?.building) {
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qb.andWhere('room.building = :building', { building: query.building });
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}
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if (query?.periodStart) {
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qb.andWhere('(o.checkOutDate IS NULL OR o.checkOutDate >= :ps)', { ps: query.periodStart });
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}
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if (query?.periodEnd) {
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qb.andWhere('o.checkInDate <= :pe', { pe: query.periodEnd });
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}
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const records = await qb.getMany();
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// 按宿舍分组
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const roomMap = new Map<string, Record<string, unknown>[]>();
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for (const r of records) {
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const key = r.room?.roomNumber || String(r.roomId);
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if (!roomMap.has(key)) roomMap.set(key, []);
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roomMap.get(key)!.push({
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studentName: r.student?.name || '未知',
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studentId: r.studentId,
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checkInDate: r.checkInDate,
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checkOutDate: r.checkOutDate,
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billingStartDate: r.billingStartDate,
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billingEndDate: r.billingEndDate,
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});
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}
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return Array.from(roomMap.entries()).map(([roomNumber, occupancies]) => ({
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roomNumber,
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occupancies,
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}));
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}
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// 费用统计
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async getExpenseStats(periodStart?: string, periodEnd?: string) {
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this.assertPeriodRange(periodStart, periodEnd);
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const qb = this.expRepo
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.createQueryBuilder('e')
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.select('e.expenseType', 'type')
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.addSelect('SUM(e.amount)', 'total')
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.groupBy('e.expenseType');
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if (periodStart) qb.andWhere('e.periodStart >= :ps', { ps: periodStart });
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if (periodEnd) qb.andWhere('e.periodEnd <= :pe', { pe: periodEnd });
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return qb.getRawMany();
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}
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// 各宿舍费用排行
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async getRoomExpenseRanking(periodStart?: string, periodEnd?: string) {
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this.assertPeriodRange(periodStart, periodEnd);
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const qb = this.expRepo
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.createQueryBuilder('e')
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.leftJoin('e.room', 'room')
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.select('room.roomNumber', 'roomNumber')
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.addSelect('SUM(e.amount)', 'total')
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.where('room.status != :archived', { archived: 'archived' })
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.groupBy('e.roomId')
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.orderBy('total', 'DESC')
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.limit(20);
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if (periodStart) qb.andWhere('e.periodStart >= :ps', { ps: periodStart });
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if (periodEnd) qb.andWhere('e.periodEnd <= :pe', { pe: periodEnd });
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return qb.getRawMany();
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}
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// 班级考勤排行
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async getClassAttendanceRanking(accessibleClassIds?: number[]) {
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if (accessibleClassIds?.length === 0) return { top: [], bottom: [] };
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const qb = this.attendanceRepo
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.createQueryBuilder('a')
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.leftJoin('a.class', 'class')
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.select('class.id', 'classId')
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.addSelect('class.name', 'className')
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.addSelect('a.status', 'status')
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.addSelect('COUNT(*)', 'count');
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this.applyClassScope(qb, 'a', accessibleClassIds);
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qb.groupBy('class.id').addGroupBy('class.name').addGroupBy('a.status');
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const raw = await qb.getRawMany();
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const classMap = new Map<number, { className: string; present: number; total: number }>();
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for (const r of raw) {
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if (!r.classId) continue;
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if (!classMap.has(Number(r.classId)))
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classMap.set(Number(r.classId), { className: r.className, present: 0, total: 0 });
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const entry = classMap.get(Number(r.classId))!;
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const n = parseInt(r.count, 10);
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entry.total += n;
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if (r.status === 'present') entry.present += n;
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}
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const ranked = Array.from(classMap.values())
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.map((e) => ({
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...e,
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rate: e.total > 0 ? parseFloat(((e.present / e.total) * 100).toFixed(1)) : 0,
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}))
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.sort((a, b) => b.rate - a.rate);
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return { top: ranked.slice(0, 5), bottom: ranked.slice(-5).reverse() };
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}
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async getClassroomOccupancy() {
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const classrooms = await this.classroomRepo.find({
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where: { status: 'available' as const },
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order: { building: 'ASC', name: 'ASC' },
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});
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const today = this.getChinaDate(new Date());
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const schedQb = this.scheduleRepo
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.createQueryBuilder('s')
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.select('s.classroomId', 'classroomId')
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.addSelect('COUNT(DISTINCT s.weekDay)', 'weekDays')
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.where('s.status = :active', { active: 'active' })
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.andWhere('s.scheduleType = :type', { type: 'INTERNAL' })
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.andWhere('s.startDate <= :today AND s.endDate >= :today', { today })
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.groupBy('s.classroomId');
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const schedules = await schedQb.getRawMany();
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const rentalQb = this.rentalRepo
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.createQueryBuilder('r')
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.select('r.classroomId', 'classroomId')
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.addSelect('COUNT(*)', 'rentalCount')
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.where('r.status = :active', { active: 'active' })
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.andWhere('r.startDate <= :today AND r.endDate >= :today', { today })
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.groupBy('r.classroomId');
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const rentals = await rentalQb.getRawMany();
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const sMap: Record<number, number> = {};
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const rMap: Record<number, number> = {};
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for (const s of schedules) sMap[s.classroomId] = parseInt(s.weekDays, 10);
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for (const r of rentals) rMap[r.classroomId] = parseInt(r.rentalCount, 10);
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return classrooms.map((c) => ({
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name: c.name,
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building: c.building || '',
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capacity: c.capacity,
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scheduleDays: sMap[c.id] || 0,
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rentalCount: rMap[c.id] || 0,
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occupancy: Math.min(((sMap[c.id] || 0) + (rMap[c.id] || 0) * 3) / 7, 1),
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}));
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}
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private assertPeriodRange(periodStart?: string, periodEnd?: string) {
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if (periodStart && periodEnd && periodStart > periodEnd) {
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throw new BadRequestException('结束日期不能早于开始日期');
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}
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}
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private getChinaDate(date: Date): string {
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const parts = new Intl.DateTimeFormat('en-CA', {
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timeZone: 'Asia/Shanghai',
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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}).formatToParts(date);
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const values = Object.fromEntries(
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parts.filter((part) => part.type !== 'literal').map((part) => [part.type, part.value]),
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);
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return `${values.year}-${values.month}-${values.day}`;
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}
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async getClassroomUtilizationStats() {
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const totalClassrooms = await this.classroomRepo.count({
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where: { status: 'available' as const },
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});
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const today = this.getChinaDate(new Date());
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// Count classrooms with active schedules today
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const schedQb = this.scheduleRepo
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.createQueryBuilder('s')
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.select('COUNT(DISTINCT s.classroomId)', 'cnt')
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.where('s.status = :active', { active: 'active' })
|
|
.andWhere('s.scheduleType = :type', { type: 'INTERNAL' })
|
|
.andWhere('s.startDate <= :today AND s.endDate >= :today', { today });
|
|
const schedResult = await schedQb.getRawOne();
|
|
|
|
// Count classrooms with active rentals today
|
|
const rentalQb = this.rentalRepo
|
|
.createQueryBuilder('r')
|
|
.select('COUNT(DISTINCT r.classroomId)', 'cnt')
|
|
.where('r.status = :active', { active: 'active' })
|
|
.andWhere('r.startDate <= :today AND r.endDate >= :today', { today });
|
|
const rentalResult = await rentalQb.getRawOne();
|
|
|
|
// Combine: use Set merge of both
|
|
const combinedQb = this.scheduleRepo
|
|
.createQueryBuilder('s')
|
|
.select('s.classroomId')
|
|
.where('s.status = :active', { active: 'active' })
|
|
.andWhere('s.scheduleType = :type', { type: 'INTERNAL' })
|
|
.andWhere('s.startDate <= :today AND s.endDate >= :today', { today })
|
|
.groupBy('s.classroomId');
|
|
const schedIds = await combinedQb.getRawMany();
|
|
|
|
const combinedRentalQb = this.rentalRepo
|
|
.createQueryBuilder('r')
|
|
.select('r.classroomId')
|
|
.where('r.status = :active', { active: 'active' })
|
|
.andWhere('r.startDate <= :today AND r.endDate >= :today', { today })
|
|
.groupBy('r.classroomId');
|
|
const rentalIds = await combinedRentalQb.getRawMany();
|
|
|
|
const allInUseIds = new Set([
|
|
...schedIds.map((s) => s.classroomId),
|
|
...rentalIds.map((r) => r.classroomId),
|
|
]);
|
|
|
|
const scheduleCount = parseInt(schedResult?.cnt || '0', 10);
|
|
const rentalCount = parseInt(rentalResult?.cnt || '0', 10);
|
|
const inUseCount = allInUseIds.size;
|
|
const utilizationRate =
|
|
totalClassrooms > 0 ? ((inUseCount / totalClassrooms) * 100).toFixed(1) : '0';
|
|
|
|
return {
|
|
totalClassrooms,
|
|
inUseCount,
|
|
utilizationRate,
|
|
scheduleCount,
|
|
rentalCount,
|
|
};
|
|
}
|
|
}
|