104 lines
3.4 KiB
TypeScript
104 lines
3.4 KiB
TypeScript
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import type { DashboardSummary, HomeworkDto, NotificationDto } from '@classhelper/shared';
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import {
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classScopeIdFilter,
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classScopeWhere,
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isStudent,
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resolveClassScope,
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requireStudentClassId,
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} from '../../lib/access.js';
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import { prisma } from '../../lib/db.js';
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import type { TokenPayload } from '../../lib/jwt.js';
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import { toHomeworkDto, toNotificationDto } from '../../lib/mappers.js';
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const courseSelect = { select: { id: true, name: true } } as const;
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const creatorSelect = { select: { id: true, name: true, username: true } } as const;
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/**
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* 仪表盘汇总。
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* 教师/管理员看到的是"自己管理的班级"的汇总；学生看到自己班级的汇总。
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*/
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export async function getDashboardSummary(user: TokenPayload): Promise<DashboardSummary> {
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const student = isStudent(user);
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// 学生强制限定在自己班级，避免越权统计
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const scope = await resolveClassScope(user, student ? requireStudentClassId(user) : undefined);
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// 子表按 classId 过滤；Class 表本身按主键 id 过滤
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const where = classScopeWhere(scope);
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const classWhere = classScopeIdFilter(scope);
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const now = new Date();
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const [
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classCount,
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studentCount,
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courseCount,
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scheduleCount,
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homeworkCount,
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notificationCount,
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gradeCount,
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unreadNotificationCount,
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pendingHomeworkCount,
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recentNotifications,
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recentHomeworks,
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upcoming,
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] = await Promise.all([
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prisma.class.count({ where: classWhere }),
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prisma.user.count({ where: { ...where, role: 'STUDENT' } }),
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prisma.course.count({ where }),
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prisma.schedule.count({ where }),
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prisma.homework.count({ where }),
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prisma.notification.count({ where }),
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prisma.grade.count({ where }),
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prisma.notification.count({ where: { ...where, reads: { none: { userId: user.sub } } } }),
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student
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? prisma.homework.count({
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where: { ...where, statuses: { none: { userId: user.sub, completed: true } } },
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})
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: prisma.homework.count({ where: { ...where, dueAt: { gte: now } } }),
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prisma.notification.findMany({
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where,
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include: { creator: creatorSelect, reads: { where: { userId: user.sub } } },
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orderBy: { createdAt: 'desc' },
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take: 5,
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}),
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prisma.homework.findMany({
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where,
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include: {
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course: courseSelect,
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creator: creatorSelect,
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statuses: student ? { where: { userId: user.sub } } : true,
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},
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orderBy: { createdAt: 'desc' },
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take: 5,
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}),
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prisma.homework.findMany({
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where: { ...where, dueAt: { gte: now } },
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include: {
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course: courseSelect,
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creator: creatorSelect,
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statuses: student ? { where: { userId: user.sub } } : true,
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},
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orderBy: { dueAt: 'asc' },
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take: 5,
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}),
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]);
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return {
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classCount,
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studentCount,
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courseCount,
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scheduleCount,
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homeworkCount,
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notificationCount,
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gradeCount,
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unreadNotificationCount,
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pendingHomeworkCount,
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recentNotifications: recentNotifications.map((item): NotificationDto =>
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toNotificationDto(item, { userId: user.sub }),
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),
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recentHomeworks: recentHomeworks.map((item): HomeworkDto =>
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toHomeworkDto(item, { userId: student ? user.sub : null, withStatus: !student }),
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),
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upcomingDeadlines: upcoming.map((item): HomeworkDto =>
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toHomeworkDto(item, { userId: student ? user.sub : null, withStatus: !student }),
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),
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};
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}
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