init Backend
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JakkrapartXD
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354
Backend/prisma/schema.prisma
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354
Backend/prisma/schema.prisma
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// This is your Prisma schema file,
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// learn more about it in the docs: https://pris.ly/d/prisma-schema
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generator client {
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provider = "prisma-client-js"
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}
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datasource db {
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provider = "postgresql"
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url = env("DATABASE_URL")
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}
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// ============================================
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// User Management
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// ============================================
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model Role {
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id Int @id @default(autoincrement())
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code String @unique @db.VarChar(50)
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name Json // { th: "", en: "" }
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description Json?
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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users User[]
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@@map("roles")
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}
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model User {
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id Int @id @default(autoincrement())
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username String @unique @db.VarChar(50)
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email String @unique @db.VarChar(255)
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password String @db.VarChar(255)
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role_id Int
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is_active Boolean @default(true)
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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role Role @relation(fields: [role_id], references: [id])
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profile Profile?
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// Relations
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created_courses Course[] @relation("CourseCreator")
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instructor_courses CourseInstructor[]
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enrollments Enrollment[]
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lesson_progress LessonProgress[]
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quiz_attempts QuizAttempt[]
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certificates Certificate[]
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@@index([email])
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@@index([role_id])
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@@map("users")
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}
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model Profile {
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id Int @id @default(autoincrement())
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user_id Int @unique
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first_name String? @db.VarChar(100)
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last_name String? @db.VarChar(100)
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phone String? @db.VarChar(20)
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avatar_url String? @db.VarChar(500)
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bio Json? // { th: "", en: "" }
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birth_date DateTime?
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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user User @relation(fields: [user_id], references: [id], onDelete: Cascade)
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@@map("profiles")
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}
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// ============================================
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// Course Management
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// ============================================
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enum CourseStatus {
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DRAFT
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PENDING_APPROVAL
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APPROVED
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REJECTED
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ARCHIVED
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}
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model Category {
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id Int @id @default(autoincrement())
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code String @unique @db.VarChar(50)
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name Json // { th: "", en: "" }
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description Json?
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icon_url String? @db.VarChar(500)
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is_active Boolean @default(true)
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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courses Course[]
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@@map("categories")
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}
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model Course {
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id Int @id @default(autoincrement())
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title Json // { th: "", en: "" }
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description Json
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thumbnail_url String? @db.VarChar(500)
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price Decimal @default(0) @db.Decimal(10, 2)
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is_free Boolean @default(false)
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have_certificate Boolean @default(false)
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status CourseStatus @default(DRAFT)
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category_id Int
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created_by Int
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rejection_reason String? @db.Text
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is_deleted Boolean @default(false)
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deleted_at DateTime?
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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category Category @relation(fields: [category_id], references: [id])
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creator User @relation("CourseCreator", fields: [created_by], references: [id])
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chapters Chapter[]
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instructors CourseInstructor[]
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enrollments Enrollment[]
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@@index([category_id])
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@@index([status])
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@@index([created_by])
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@@index([created_at])
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@@map("courses")
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}
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model CourseInstructor {
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id Int @id @default(autoincrement())
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course_id Int
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user_id Int
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is_primary Boolean @default(false)
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created_at DateTime @default(now())
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course Course @relation(fields: [course_id], references: [id], onDelete: Cascade)
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user User @relation(fields: [user_id], references: [id], onDelete: Cascade)
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@@unique([course_id, user_id])
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@@index([course_id])
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@@index([user_id])
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@@map("course_instructors")
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}
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model Chapter {
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id Int @id @default(autoincrement())
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course_id Int
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title Json // { th: "", en: "" }
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description Json?
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order Int
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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course Course @relation(fields: [course_id], references: [id], onDelete: Cascade)
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lessons Lesson[]
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@@index([course_id])
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@@index([order])
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@@map("chapters")
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}
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// ============================================
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// Lessons
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// ============================================
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enum LessonType {
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VIDEO
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TEXT
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PDF
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QUIZ
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}
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model Lesson {
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id Int @id @default(autoincrement())
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chapter_id Int
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title Json // { th: "", en: "" }
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description Json?
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type LessonType
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content Json? // For TEXT type
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video_url String? @db.VarChar(500)
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video_duration Int? // in seconds
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order Int
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is_preview Boolean @default(false)
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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chapter Chapter @relation(fields: [chapter_id], references: [id], onDelete: Cascade)
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attachments Attachment[]
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prerequisites LessonPrerequisite[] @relation("LessonPrerequisites")
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required_for LessonPrerequisite[] @relation("RequiredForLessons")
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quiz Quiz?
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progress LessonProgress[]
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@@index([chapter_id])
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@@index([order])
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@@map("lessons")
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}
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model LessonPrerequisite {
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id Int @id @default(autoincrement())
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lesson_id Int
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prerequisite_lesson_id Int
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created_at DateTime @default(now())
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lesson Lesson @relation("LessonPrerequisites", fields: [lesson_id], references: [id], onDelete: Cascade)
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prerequisite_lesson Lesson @relation("RequiredForLessons", fields: [prerequisite_lesson_id], references: [id], onDelete: Cascade)
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@@unique([lesson_id, prerequisite_lesson_id])
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@@index([lesson_id])
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@@index([prerequisite_lesson_id])
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@@map("lesson_prerequisites")
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}
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model Attachment {
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id Int @id @default(autoincrement())
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lesson_id Int
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filename String @db.VarChar(255)
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original_name String @db.VarChar(255)
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file_url String @db.VarChar(500)
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file_size BigInt
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mime_type String @db.VarChar(100)
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created_at DateTime @default(now())
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lesson Lesson @relation(fields: [lesson_id], references: [id], onDelete: Cascade)
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@@index([lesson_id])
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@@map("attachments")
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}
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// ============================================
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// Quiz System
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// ============================================
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enum ScorePolicy {
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HIGHEST
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LATEST
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AVERAGE
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}
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model Quiz {
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id Int @id @default(autoincrement())
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lesson_id Int @unique
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title Json // { th: "", en: "" }
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description Json?
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passing_score Int @default(70)
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time_limit Int? // in minutes
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max_attempts Int @default(3)
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cooldown_hours Int @default(24)
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score_policy ScorePolicy @default(HIGHEST)
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shuffle_questions Boolean @default(true)
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shuffle_choices Boolean @default(true)
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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lesson Lesson @relation(fields: [lesson_id], references: [id], onDelete: Cascade)
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questions QuizQuestion[]
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attempts QuizAttempt[]
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@@map("quizzes")
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}
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model QuizQuestion {
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id Int @id @default(autoincrement())
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quiz_id Int
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question Json // { th: "", en: "" }
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choices Json // [{ th: "", en: "", is_correct: boolean }]
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points Int @default(1)
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order Int
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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quiz Quiz @relation(fields: [quiz_id], references: [id], onDelete: Cascade)
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@@index([quiz_id])
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@@index([order])
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@@map("quiz_questions")
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}
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model QuizAttempt {
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id Int @id @default(autoincrement())
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quiz_id Int
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user_id Int
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answers Json // [{ question_id: int, choice_index: int }]
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score Int
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passed Boolean
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time_spent Int? // in seconds
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started_at DateTime
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completed_at DateTime @default(now())
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quiz Quiz @relation(fields: [quiz_id], references: [id], onDelete: Cascade)
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user User @relation(fields: [user_id], references: [id], onDelete: Cascade)
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@@index([quiz_id])
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@@index([user_id])
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@@index([completed_at])
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@@map("quiz_attempts")
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}
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// ============================================
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// Progress Tracking
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// ============================================
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model Enrollment {
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id Int @id @default(autoincrement())
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user_id Int
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course_id Int
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enrolled_at DateTime @default(now())
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completed_at DateTime?
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progress_percent Int @default(0)
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last_accessed_at DateTime @default(now())
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user User @relation(fields: [user_id], references: [id], onDelete: Cascade)
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course Course @relation(fields: [course_id], references: [id], onDelete: Cascade)
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@@unique([user_id, course_id])
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@@index([user_id])
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@@index([course_id])
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@@map("enrollments")
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}
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model LessonProgress {
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id Int @id @default(autoincrement())
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user_id Int
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lesson_id Int
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is_completed Boolean @default(false)
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video_progress Int @default(0) // seconds watched
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completed_at DateTime?
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last_watched_at DateTime @default(now())
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created_at DateTime @default(now())
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updated_at DateTime @updatedAt
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user User @relation(fields: [user_id], references: [id], onDelete: Cascade)
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lesson Lesson @relation(fields: [lesson_id], references: [id], onDelete: Cascade)
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@@unique([user_id, lesson_id])
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@@index([user_id])
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@@index([lesson_id])
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@@map("lesson_progress")
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}
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model Certificate {
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id Int @id @default(autoincrement())
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user_id Int
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course_id Int
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certificate_url String @db.VarChar(500)
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issued_at DateTime @default(now())
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user User @relation(fields: [user_id], references: [id], onDelete: Cascade)
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@@unique([user_id, course_id])
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@@index([user_id])
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@@map("certificates")
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}
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