2026-09-11 21:57:38 +08:00
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// 班级小助手 - 数据模型
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//
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// 设计说明:
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// 1) 本 schema 使用 sqlite provider(本地 MVP / 离线开发)。
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// 字段全部使用 String / Int / Float / Boolean / DateTime 等跨库通用类型,
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// 不使用 Prisma enum 与 @db.* 原生类型,因此可平移到 MySQL。
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// MySQL 版本见同目录 schema.mysql.prisma,切换步骤见 docs/mysql.md。
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// 2) 角色与优先级用 String 存储('ADMIN' | 'TEACHER' | 'STUDENT'、
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// 'LOW' | 'NORMAL' | 'HIGH' | 'URGENT'),在 API 层用 zod 校验,
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// 这样 SQLite / MySQL 行为完全一致。
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// 3) 所有主键使用 cuid 字符串,便于多端离线生成与合并。
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generator client {
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provider = "prisma-client"
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output = "../src/generated/prisma"
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}
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datasource db {
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provider = "sqlite"
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}
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/// 用户:教师 / 管理员 / 学生统一存储
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model User {
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id String @id @default(cuid())
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username String @unique
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passwordHash String
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name String
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role String @default("STUDENT")
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classId String?
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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// 学生的主班级(一个学生属于一个主班级)
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class Class? @relation("ClassStudents", fields: [classId], references: [id], onDelete: SetNull)
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// 教师创建(负责)的班级
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ownedClasses Class[] @relation("ClassOwner")
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// 教师被分配协作的班级
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classAssignments ClassTeacher[]
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courses Course[]
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homeworkStatuses HomeworkStatus[]
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notificationReads NotificationRead[]
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grades Grade[]
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enrollments Enrollment[]
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createdHomeworks Homework[] @relation("HomeworkCreator")
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createdNotices Notification[] @relation("NotificationCreator")
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@@index([classId])
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@@index([role])
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}
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/// 班级
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model Class {
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id String @id @default(cuid())
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name String
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grade String
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teacherId String
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2026-09-12 15:51:08 +08:00
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/// 班级码:学生端「班级账号」登录用(唯一,字母数字,4~16 位,存大写)
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code String @unique
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/// 班级密码(bcrypt 哈希);null = 尚未设置,此时禁止班级账号登录
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passwordHash String?
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2026-09-13 08:39:11 +08:00
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/// 本学期教学周数(班主任可调,默认 20):课表周次选择与 weekEnd 默认值都用它
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termWeeks Int @default(20)
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2026-09-27 14:59:12 +08:00
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/// 通知显示位置(由教室的班级客户端在设置页里选):
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/// both=客户端与 ClassIsland 都弹 / client=只弹客户端 / classisland=只弹 ClassIsland
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notificationChannel String @default("both")
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2026-09-11 21:57:38 +08:00
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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teacher User @relation("ClassOwner", fields: [teacherId], references: [id], onDelete: Cascade)
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students User[] @relation("ClassStudents")
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teachers ClassTeacher[]
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courses Course[]
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schedules Schedule[]
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homeworks Homework[]
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notifications Notification[]
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grades Grade[]
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enrollments Enrollment[]
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2026-09-12 15:35:01 +08:00
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timeLayouts TimeLayout[]
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2026-09-27 14:59:12 +08:00
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integrationDevices IntegrationDevice[]
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classIslandPushes ClassIslandPush[]
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2026-09-11 21:57:38 +08:00
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@@index([teacherId])
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}
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/// 教师-班级 分配关系(一个教师可管理多个班级)
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model ClassTeacher {
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id String @id @default(cuid())
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classId String
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teacherId String
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createdAt DateTime @default(now())
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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teacher User @relation(fields: [teacherId], references: [id], onDelete: Cascade)
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@@unique([classId, teacherId])
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@@index([teacherId])
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}
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/// 学生-班级 选课/归属记录(与 User.classId 保持同步,支持未来多班)
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model Enrollment {
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id String @id @default(cuid())
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userId String
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classId String
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createdAt DateTime @default(now())
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user User @relation(fields: [userId], references: [id], onDelete: Cascade)
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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@@unique([userId, classId])
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@@index([classId])
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}
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/// 课程
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model Course {
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id String @id @default(cuid())
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name String
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teacherId String
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classId String
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createdAt DateTime @default(now())
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teacher User @relation(fields: [teacherId], references: [id], onDelete: Cascade)
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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schedules Schedule[]
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homeworks Homework[]
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grades Grade[]
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@@unique([classId, name])
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@@index([classId])
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}
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/// 课表条目
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model Schedule {
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id String @id @default(cuid())
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classId String
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courseId String
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/// 1=周一 ... 7=周日
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dayOfWeek Int
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/// HH:mm
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startTime String
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/// HH:mm
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endTime String
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location String?
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/// 学期起始周次(含)
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weekStart Int @default(1)
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/// 学期结束周次(含)
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weekEnd Int @default(20)
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2026-09-12 23:48:59 +08:00
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/// 单双周:ALL=每周(默认)/ ODD=单周 / EVEN=双周(ClassIsland WeekCountDiv + WeekCountDivTotal 的映射)
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weekParity String @default("ALL")
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2026-10-02 00:24:58 +08:00
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/// 该行的来源:manual=手工建立(Web 端录入 / ClassIsland JSON 导入)
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/// / classisland=插件上报同步得到。
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/// 插件每次全量上报时只清理「classisland 来源且本次未再上报」的行(解决"老师在 ClassIsland
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/// 里删掉一节、服务端却永远留着"的幽灵课),老师手排的课一律不删。
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source String @default("manual")
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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2026-09-11 21:57:38 +08:00
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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course Course @relation(fields: [courseId], references: [id], onDelete: Cascade)
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@@index([classId, dayOfWeek])
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@@index([courseId])
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}
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/// 作业
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model Homework {
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id String @id @default(cuid())
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classId String
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courseId String?
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title String
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content String
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2026-09-27 16:34:01 +08:00
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/// 作业所属日期(YYYY-MM-DD,本地日期,不带时区):客户端/Web 的按天查看与日期高亮都用它
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assignDate String @default("")
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2026-09-11 21:57:38 +08:00
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attachmentUrl String?
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2026-09-12 21:01:31 +08:00
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/// 遗留字段:作业"截止时间"功能已下线(UI/接口均不再读写)。
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/// 保留列以免对已安装的库做破坏性迁移;新库该列恒为 null。
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2026-09-11 21:57:38 +08:00
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dueAt DateTime?
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createdBy String
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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course Course? @relation(fields: [courseId], references: [id], onDelete: SetNull)
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creator User @relation("HomeworkCreator", fields: [createdBy], references: [id], onDelete: Cascade)
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statuses HomeworkStatus[]
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@@index([classId, createdAt])
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2026-09-27 16:34:01 +08:00
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@@index([classId, assignDate])
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2026-09-11 21:57:38 +08:00
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@@index([courseId])
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@@index([dueAt])
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}
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/// 学生作业完成状态
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model HomeworkStatus {
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id String @id @default(cuid())
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homeworkId String
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userId String
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completed Boolean @default(false)
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updatedAt DateTime @updatedAt
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homework Homework @relation(fields: [homeworkId], references: [id], onDelete: Cascade)
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user User @relation(fields: [userId], references: [id], onDelete: Cascade)
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@@unique([homeworkId, userId])
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@@index([userId])
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}
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/// 通知
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model Notification {
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id String @id @default(cuid())
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classId String
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title String
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content String
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priority String @default("NORMAL")
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createdBy String
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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creator User @relation("NotificationCreator", fields: [createdBy], references: [id], onDelete: Cascade)
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reads NotificationRead[]
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@@index([classId, createdAt])
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}
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/// 通知已读记录
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model NotificationRead {
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id String @id @default(cuid())
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notificationId String
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userId String
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readAt DateTime @default(now())
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notification Notification @relation(fields: [notificationId], references: [id], onDelete: Cascade)
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user User @relation(fields: [userId], references: [id], onDelete: Cascade)
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@@unique([notificationId, userId])
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@@index([userId])
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}
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2026-09-12 15:35:01 +08:00
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/// 课表时间配置(ClassIsland 同款 JSON 导入后的节次时间表)
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model TimeLayout {
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id String @id @default(cuid())
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classId String
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name String
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/// 来源:classisland | manual
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source String @default("classisland")
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/// 节次数组(JSON 字符串):[{ index, name, startTime, endTime, type, skipped }]
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items String
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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@@index([classId])
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}
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2026-09-11 21:57:38 +08:00
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/// 成绩
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model Grade {
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id String @id @default(cuid())
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classId String
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courseId String?
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userId String
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examName String
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score Float
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totalScore Float @default(100)
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publishedAt DateTime @default(now())
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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course Course? @relation(fields: [courseId], references: [id], onDelete: SetNull)
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student User @relation(fields: [userId], references: [id], onDelete: Cascade)
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@@index([userId, publishedAt])
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@@index([classId, examName])
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@@index([courseId])
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}
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2026-09-27 14:59:12 +08:00
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/// ClassIsland 联动设备(一台装有联动插件的机器 = 某个班级的接入端)
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///
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/// 说明:
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/// 1) 令牌是「设备级」的,不是用户级:插件在本机保存明文,服务端只存 sha256 哈希 + 前缀提示;
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/// 2) 同一班级下按 deviceKey(机器码)唯一:插件重装后带同一 deviceKey 会自动重绑到原记录,
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/// 避免设备列表里堆满重复项;
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/// 3) 状态字段是「最后一次上报的快照」,Web 端据此展示"某班现在上什么课"。
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model IntegrationDevice {
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id String @id @default(cuid())
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classId String
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/// 设备显示名(默认取机器名)
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name String
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/// 设备唯一标识(插件上报的机器码)
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deviceKey String
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/// 联动方式:plugin=实时插件联动 / import=仅一次性导入
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mode String @default("plugin")
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/// 是否接入(关闭后插件上报与下发一律 403)
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enabled Boolean @default(true)
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/// 设备令牌的 sha256(明文只在创建/重置时返回一次)
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tokenHash String
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/// 令牌前缀(chci_xxxxxxxx),设备列表里用于人眼识别与排查
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tokenHint String
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/// 是否允许插件把 ClassIsland 的课表回传到本服务
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syncScheduleToServer Boolean @default(true)
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/// 是否允许把本班课表镜像回 ClassIsland(由插件执行)
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mirrorScheduleToClassIsland Boolean @default(false)
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classIslandVersion String?
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pluginVersion String?
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lastSeenAt DateTime?
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/// 以下为最后一次上报的快照
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classPlanLoaded Boolean @default(false)
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currentSubject String?
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currentTimeState String?
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currentPeriodStart String?
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currentPeriodEnd String?
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nextSubject String?
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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pushes ClassIslandPush[]
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@@unique([classId, deviceKey])
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@@index([classId])
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@@index([tokenHash])
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}
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/// 下发给 ClassIsland 的提醒:教师发通知 → 学生机器全屏弹出。
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/// 落库是为了「设备离线时通知不丢」——插件重连后拉取未确认的一条立即弹出。
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model ClassIslandPush {
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id String @id @default(cuid())
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classId String
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deviceId String?
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title String
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content String
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/// 显示时长(秒):映射到 ClassIsland 的 NotificationContent.Duration
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durationSeconds Int @default(8)
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/// 语音朗读内容;null = 不朗读
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speechContent String?
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urgent Boolean @default(false)
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2026-09-27 16:34:01 +08:00
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/// 提醒类型:notification=通知类 / call=叫人(叫人算「主动通知」,上课时段也立刻弹)
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kind String @default("notification")
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2026-09-27 14:59:12 +08:00
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/// 发起人的用户 id(教师/管理员)
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createdBy String?
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/// 同时落库到通知中心的通知 id(saveToNotifications 时写入)
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notificationId String?
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/// 插件确认弹出的时间(确认后不再重复下发)
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ackedAt DateTime?
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createdAt DateTime @default(now())
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/// 过期时间:超过后不再补发(避免学生几天后突然弹出旧提醒)
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expiresAt DateTime
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class Class @relation(fields: [classId], references: [id], onDelete: Cascade)
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device IntegrationDevice? @relation(fields: [deviceId], references: [id], onDelete: SetNull)
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@@index([classId, createdAt])
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@@index([deviceId, ackedAt])
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}
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