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feat: add Prisma integration and initial data seeding
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5
.gitignore
vendored
5
.gitignore
vendored
@ -41,4 +41,7 @@ next-env.d.ts
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cache
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# bun
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bun.lockb
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bun.lockb
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# prisma
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/prisma/migrations
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11
package.json
11
package.json
@ -9,6 +9,7 @@
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"lint": "next lint"
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},
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"dependencies": {
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"@prisma/client": "^5.22.0",
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"class-variance-authority": "^0.7.0",
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"clsx": "^2.1.1",
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"lucide-react": "^0.456.0",
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@ -19,13 +20,15 @@
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"tailwindcss-animate": "^1.0.7"
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},
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"devDependencies": {
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"typescript": "^5",
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"@faker-js/faker": "^9.2.0",
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"@types/node": "^20",
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"@types/react": "^18",
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"@types/react-dom": "^18",
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"postcss": "^8",
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"tailwindcss": "^3.4.1",
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"eslint": "^8",
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"eslint-config-next": "15.0.3"
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"eslint-config-next": "15.0.3",
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"postcss": "^8",
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"prisma": "^5.22.0",
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"tailwindcss": "^3.4.1",
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"typescript": "^5"
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}
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}
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165
prisma/schema.prisma
Normal file
165
prisma/schema.prisma
Normal file
@ -0,0 +1,165 @@
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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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generator client {
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provider = "prisma-client-js"
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}
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enum UserRole {
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ADMIN
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TEACHER
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STUDENT
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GUEST
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}
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model User {
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id String @id @default(cuid())
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email String @unique @db.VarChar(255)
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displayName String? @db.VarChar(255)
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hashedPassword String @default("")
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passwordSalt String @default("")
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role UserRole @default(GUEST)
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createdAt DateTime @default(now()) @db.Timestamptz
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updatedAt DateTime @updatedAt @db.Timestamptz
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organizedEvents Event[] @relation("OrganizedEvents")
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participatedEvents Event[] @relation("ParticipatedEvents")
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createdQuestions Question[] @relation("CreatedQuestions")
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submissions Submission[]
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}
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enum EventType {
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COMPETITION
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EXAM
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HOMEWORK
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}
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model Event {
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id String @id @default(cuid())
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name String
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startTime DateTime @db.Timestamptz
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endTime DateTime @db.Timestamptz
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isVisible Boolean @default(true)
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type EventType @default(COMPETITION)
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createdAt DateTime @default(now()) @db.Timestamptz
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updatedAt DateTime @updatedAt @db.Timestamptz
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organizer User[] @relation("OrganizedEvents")
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participants User[] @relation("ParticipatedEvents")
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eventQuestions EventQuestion[]
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}
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enum QuestionDifficulty {
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EASY
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MEDIUM
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HARD
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}
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model Question {
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id String @id @default(cuid())
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name String
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statement String @db.Text
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difficulty QuestionDifficulty @default(EASY)
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createdAt DateTime @default(now()) @db.Timestamptz
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updatedAt DateTime @updatedAt @db.Timestamptz
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creators User[] @relation("CreatedQuestions")
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codeTemplates CodeTemplate[]
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eventQuestions EventQuestion[]
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tags QuestionTag[] @relation("QuestionTags")
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}
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model QuestionTag {
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id String @id @default(cuid())
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name String
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createdAt DateTime @default(now()) @db.Timestamptz
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updatedAt DateTime @updatedAt @db.Timestamptz
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questions Question[] @relation("QuestionTags")
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}
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enum CodeLanguage {
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C
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CPP
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JAVA
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}
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model CodeTemplate {
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id String @id @default(cuid())
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language CodeLanguage
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starterCode String @db.Text
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correctSolution String @default("") @db.Text
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createdAt DateTime @default(now()) @db.Timestamptz
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updatedAt DateTime @updatedAt @db.Timestamptz
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question Question @relation(fields: [questionId], references: [id])
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questionId String
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}
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model EventQuestion {
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id String @id @default(cuid())
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event Event @relation(fields: [eventId], references: [id])
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eventId String
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question Question @relation(fields: [questionId], references: [id])
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questionId String
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displayOrder Int @default(0)
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hidden Boolean @default(false)
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createdAt DateTime @default(now()) @db.Timestamptz
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updatedAt DateTime @updatedAt @db.Timestamptz
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submissions Submission[]
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@@unique([eventId, questionId])
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}
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enum SubmissionStatus {
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PENDING
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ACCEPTED
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REJECTED
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COMPILATION_ERROR
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RUNTIME_ERROR
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INTERNAL_ERROR
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PARTIAL_ACCEPTED
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SKIPPED
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}
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model Submission {
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id String @id @default(cuid())
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submitter User @relation(fields: [submitterId], references: [id])
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submitterId String @db.VarChar(255)
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eventQuestion EventQuestion @relation(fields: [eventQuestionId], references: [id])
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eventQuestionId String @db.VarChar(255)
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language CodeLanguage
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code String @db.Text
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status SubmissionStatus
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statusMessage String?
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memoryUsage Int?
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executionTime Int?
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score Int? @default(0)
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createdAt DateTime @default(now()) @db.Timestamptz
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updatedAt DateTime @updatedAt @db.Timestamptz
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testResults TestResult[]
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}
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enum TestResultStatus {
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ACCEPTED
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REJECTED
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TIMEOUT
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MEMORY_LIMIT_EXCEEDED
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COMPILATION_ERROR
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RUNTIME_ERROR
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INTERNAL_ERROR
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OUTPUT_MISMATCH
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SKIPPED
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}
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model TestResult {
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id String @id @default(cuid())
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submission Submission @relation(fields: [submissionId], references: [id])
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submissionId String
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input String @db.Text
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output String @db.Text
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status TestResultStatus
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statusMessage String?
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memoryUsage Int?
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executionTime Int?
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score Int? @default(0)
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createdAt DateTime @default(now()) @db.Timestamptz
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updatedAt DateTime @updatedAt @db.Timestamptz
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}
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574
prisma/seed.ts
Normal file
574
prisma/seed.ts
Normal file
@ -0,0 +1,574 @@
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import {
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UserRole,
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User,
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EventType,
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Event,
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QuestionDifficulty,
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Question,
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QuestionTag,
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CodeLanguage,
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CodeTemplate,
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EventQuestion,
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} from "@prisma/client";
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import prisma from "@/lib/prisma";
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import { faker } from "@faker-js/faker";
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async function createUser(role: UserRole): Promise<User> {
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return prisma.user.create({
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data: {
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email: faker.internet.email(),
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displayName: faker.person.fullName(),
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hashedPassword: faker.internet.password(),
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passwordSalt: faker.string.alphanumeric(16),
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role,
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},
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});
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}
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async function createUsers(
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rolesWithCount: { role: UserRole; count: number }[]
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): Promise<User[]> {
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const users = await Promise.all(
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rolesWithCount.flatMap(({ role, count }) =>
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Array.from({ length: count }, () => createUser(role))
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)
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);
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return users;
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}
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async function createQuestionTags(): Promise<QuestionTag[]> {
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const questionTags = [
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"Array",
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"String",
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"Hash Table",
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"Dynamic Programming",
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"Math",
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"Sorting",
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"Greedy",
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"Depth-First Search",
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"Database",
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"Binary Search",
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"Matrix",
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"Tree",
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"Breadth-First Search",
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];
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await prisma.questionTag.createMany({
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data: questionTags.map((name) => ({ name })),
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});
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return prisma.questionTag.findMany();
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}
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async function createQuestions(): Promise<Question[]> {
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const questions = [
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{
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name: "Two Sum",
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statement: `Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.`,
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difficulty: QuestionDifficulty.EASY,
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tags: ["Array", "Hash Table"],
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},
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{
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name: "Add Two Numbers",
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statement: `You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order, and each of their nodes contains a single digit. Add the two numbers and return the sum as a linked list.`,
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difficulty: QuestionDifficulty.MEDIUM,
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tags: ["Linked List", "Math"],
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},
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{
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name: "Longest Substring Without Repeating Characters",
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statement: `Given a string s, find the length of the longest substring without repeating characters.`,
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difficulty: QuestionDifficulty.MEDIUM,
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tags: ["Hash Table", "String", "Sliding Window"],
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},
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];
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const creators = await prisma.user.findMany({
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where: { role: UserRole.TEACHER },
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});
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if (creators.length === 0) {
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throw new Error("No creators found for questions.");
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}
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const tags = await prisma.questionTag.findMany();
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const tagMap = new Map(tags.map((tag) => [tag.name, tag]));
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const missingTags = questions.flatMap((question) =>
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question.tags.filter((tag) => !tagMap.has(tag))
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);
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if (missingTags.length > 0) {
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await prisma.questionTag.createMany({
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data: missingTags.map((name) => ({ name })),
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});
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const createdTags = await prisma.questionTag.findMany({
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where: { name: { in: missingTags } },
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});
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createdTags.forEach((tag) => tagMap.set(tag.name, tag));
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}
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return Promise.all(
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questions.map(({ name, statement, difficulty, tags: questionTags }) =>
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prisma.question.create({
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data: {
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name,
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statement,
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difficulty,
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tags: {
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connect: questionTags.map((tag) => ({ id: tagMap.get(tag)!.id })),
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},
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creators: {
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connect: creators
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.sort(() => Math.random() - 0.5)
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.slice(
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0,
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Math.max(1, Math.floor(Math.random() * creators.length))
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)
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.map((creator) => ({ id: creator.id })),
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},
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},
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})
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)
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);
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}
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async function checkAndSeed<T>(
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check: () => Promise<T[]>,
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create: () => Promise<T[]>,
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entityName: string
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): Promise<void> {
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const existingEntities = await check();
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if (existingEntities.length > 0) {
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console.log(`${entityName} already exist, skipping seeding ${entityName}.`);
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} else {
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console.log(`Seeding ${entityName} ...`);
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const entities = await create();
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console.log(`Created ${entityName}:`);
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console.log(entities);
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}
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}
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async function createCodeTemplates(): Promise<CodeTemplate[]> {
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const codeTemplates = [
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[
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{
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language: CodeLanguage.C,
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starterCode: `/**
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* Note: The returned array must be malloced, assume caller calls free().
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*/
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int* twoSum(int* nums, int numsSize, int target, int* returnSize) {
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}`,
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correctSolution: `int* twoSum(int* nums, int numsSize, int target, int* returnSize) {
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struct hashTable {
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int key;
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int value;
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UT_hash_handle hh;
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} *hashTable = NULL, *item, *tmpItem;
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for (int i = 0; i < numsSize; i++) {
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HASH_FIND_INT(hashTable, &nums[i], item);
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if (item) {
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int* result = malloc(sizeof(int) * 2);
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result[0] = item->value;
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result[1] = i;
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*returnSize = 2;
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HASH_ITER(hh, hashTable, item, tmpItem) {
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HASH_DEL(hashTable, item);
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free(item);
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}
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return result;
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}
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item = malloc(sizeof(struct hashTable));
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item->key = target - nums[i];
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item->value = i;
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HASH_ADD_INT(hashTable, key, item);
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}
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HASH_ITER(hh, hashTable, item, tmpItem) {
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HASH_DEL(hashTable, item);
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free(item);
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}
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*returnSize = 0;
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// If no valid pair is found, return an empty array
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return malloc(sizeof(int) * 0);
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}`,
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},
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{
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language: CodeLanguage.CPP,
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starterCode: `class Solution {
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public:
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vector<int> twoSum(vector<int>& nums, int target) {
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}
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};`,
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correctSolution: `class Solution {
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public:
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vector<int> twoSum(vector<int> &nums, int target) {
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unordered_map<int, int> hash;
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for (int i = 0; i < nums.size(); i++) {
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hash[nums[i]] = i;
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}
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for (int i = 0; i < nums.size(); i++) {
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int complement = target - nums[i];
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if (hash.find(complement) != hash.end() && hash[complement] != i) {
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return {i, hash[complement]};
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}
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}
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// If no valid pair is found, return an empty vector
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return {};
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}
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};`,
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},
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{
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language: CodeLanguage.JAVA,
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starterCode: `class Solution {
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public int[] twoSum(int[] nums, int target) {
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}
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}`,
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correctSolution: `class Solution {
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public int[] twoSum(int[] nums, int target) {
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Map<Integer, Integer> map = new HashMap<>();
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for (int i = 0; i < nums.length; i++) {
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map.put(nums[i], i);
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}
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for (int i = 0; i < nums.length; i++) {
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int complement = target - nums[i];
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if (map.containsKey(complement) && map.get(complement) != i) {
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return new int[] { i, map.get(complement) };
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}
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}
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// In case there is no solution, return an empty array
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return new int[] {};
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}
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}`,
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||||
},
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],
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[
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||||
{
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||||
language: CodeLanguage.C,
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starterCode: `/**
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* Definition for singly-linked list.
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* struct ListNode {
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* int val;
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* struct ListNode *next;
|
||||
* };
|
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*/
|
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struct ListNode* addTwoNumbers(struct ListNode* l1, struct ListNode* l2) {
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||||
|
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}`,
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correctSolution: `struct ListNode* addTwoNumbers(struct ListNode* l1, struct ListNode* l2) {
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struct ListNode* dummyHead = malloc(sizeof(struct ListNode));
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dummyHead->val = 0;
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dummyHead->next = NULL;
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struct ListNode* curr = dummyHead;
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int carry = 0;
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while (l1 != NULL || l2 != NULL || carry != 0) {
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int x = (l1 != NULL) ? l1->val : 0;
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int y = (l2 != NULL) ? l2->val : 0;
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int sum = carry + x + y;
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carry = sum / 10;
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curr->next = malloc(sizeof(struct ListNode));
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curr->next->val = sum % 10;
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curr->next->next = NULL;
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curr = curr->next;
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if (l1 != NULL) l1 = l1->next;
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if (l2 != NULL) l2 = l2->next;
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}
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struct ListNode* result = dummyHead->next;
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free(dummyHead); // Free the memory allocated for dummyHead
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return result;
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||||
}`,
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||||
},
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||||
{
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language: CodeLanguage.CPP,
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starterCode: `/**
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* Definition for singly-linked list.
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||||
* struct ListNode {
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||||
* int val;
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||||
* ListNode *next;
|
||||
* ListNode() : val(0), next(nullptr) {}
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* ListNode(int x) : val(x), next(nullptr) {}
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* ListNode(int x, ListNode *next) : val(x), next(next) {}
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||||
* };
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*/
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class Solution {
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public:
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ListNode* addTwoNumbers(ListNode* l1, ListNode* l2) {
|
||||
|
||||
}
|
||||
};`,
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correctSolution: `class Solution {
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||||
public:
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||||
ListNode* addTwoNumbers(ListNode* l1, ListNode* l2) {
|
||||
ListNode* dummyHead = new ListNode(0);
|
||||
ListNode* curr = dummyHead;
|
||||
int carry = 0;
|
||||
while (l1 != NULL || l2 != NULL || carry != 0) {
|
||||
int x = l1 ? l1->val : 0;
|
||||
int y = l2 ? l2->val : 0;
|
||||
int sum = carry + x + y;
|
||||
carry = sum / 10;
|
||||
curr->next = new ListNode(sum % 10);
|
||||
curr = curr->next;
|
||||
l1 = l1 ? l1->next : nullptr;
|
||||
l2 = l2 ? l2->next : nullptr;
|
||||
}
|
||||
ListNode* result = dummyHead->next;
|
||||
delete dummyHead; // Freeing the memory allocated for dummyHead
|
||||
return result;
|
||||
}
|
||||
};`,
|
||||
},
|
||||
{
|
||||
language: CodeLanguage.JAVA,
|
||||
starterCode: `/**
|
||||
* Definition for singly-linked list.
|
||||
* public class ListNode {
|
||||
* int val;
|
||||
* ListNode next;
|
||||
* ListNode() {}
|
||||
* ListNode(int val) { this.val = val; }
|
||||
* ListNode(int val, ListNode next) { this.val = val; this.next = next; }
|
||||
* }
|
||||
*/
|
||||
class Solution {
|
||||
public ListNode addTwoNumbers(ListNode l1, ListNode l2) {
|
||||
|
||||
}
|
||||
}`,
|
||||
correctSolution: `class Solution {
|
||||
// Add Two Numbers (Java improved)
|
||||
public ListNode addTwoNumbers(ListNode l1, ListNode l2) {
|
||||
ListNode dummyHead = new ListNode(0);
|
||||
ListNode curr = dummyHead;
|
||||
int carry = 0;
|
||||
while (l1 != null || l2 != null || carry != 0) {
|
||||
int x = (l1 != null) ? l1.val : 0;
|
||||
int y = (l2 != null) ? l2.val : 0;
|
||||
int sum = carry + x + y;
|
||||
carry = sum / 10;
|
||||
curr.next = new ListNode(sum % 10);
|
||||
curr = curr.next;
|
||||
if (l1 != null) l1 = l1.next;
|
||||
if (l2 != null) l2 = l2.next;
|
||||
}
|
||||
return dummyHead.next;
|
||||
}
|
||||
}`,
|
||||
},
|
||||
],
|
||||
[
|
||||
{
|
||||
language: CodeLanguage.C,
|
||||
starterCode: `int lengthOfLongestSubstring(char* s) {
|
||||
|
||||
}`,
|
||||
correctSolution: `int lengthOfLongestSubstring(char * s){
|
||||
|
||||
int arr[256] = {0};
|
||||
int start = 0;
|
||||
int len = 0;
|
||||
|
||||
for (int i = 0; s[i]; i++)
|
||||
{
|
||||
char c = s[i];
|
||||
arr[c] != 0 ? (arr[c] > start ? start = arr[c] : start) : arr[c];
|
||||
(i - start + 1) > len ? len = (i - start + 1) : len;
|
||||
arr[c] = i + 1;
|
||||
}
|
||||
return (len);
|
||||
return(len);
|
||||
}`,
|
||||
},
|
||||
{
|
||||
language: CodeLanguage.CPP,
|
||||
starterCode: `class Solution {
|
||||
public:
|
||||
int lengthOfLongestSubstring(string s) {
|
||||
|
||||
}
|
||||
};`,
|
||||
correctSolution: `class Solution {
|
||||
public:
|
||||
int lengthOfLongestSubstring(std::string_view sv)
|
||||
{
|
||||
std::vector<char> vec;
|
||||
std::size_t size = 0;
|
||||
|
||||
for (auto c : sv) {
|
||||
if (const auto& it = std::find(std::cbegin(vec), std::cend(vec), c); it != std::cend(vec)) {
|
||||
size = std::max(size, vec.size());
|
||||
vec.erase(std::cbegin(vec), std::next(it));
|
||||
}
|
||||
|
||||
vec.emplace_back(c);
|
||||
}
|
||||
|
||||
return std::max(size, vec.size());
|
||||
}
|
||||
};`,
|
||||
},
|
||||
{
|
||||
language: CodeLanguage.JAVA,
|
||||
starterCode: `class Solution {
|
||||
public int lengthOfLongestSubstring(String s) {
|
||||
|
||||
}
|
||||
}`,
|
||||
correctSolution: `class Solution {
|
||||
public int lengthOfLongestSubstring(String s) {
|
||||
Queue<Character> queue = new LinkedList<>();
|
||||
int res = 0;
|
||||
for (char c : s.toCharArray()) {
|
||||
while (queue.contains(c)) {
|
||||
queue.poll();
|
||||
}
|
||||
queue.offer(c);
|
||||
res = Math.max(res, queue.size());
|
||||
}
|
||||
return res;
|
||||
}
|
||||
}`,
|
||||
},
|
||||
],
|
||||
];
|
||||
|
||||
const questions = await prisma.question.findMany();
|
||||
const newCodeTemplates = questions.flatMap((question, index) =>
|
||||
codeTemplates[index].map((template) => ({
|
||||
...template,
|
||||
questionId: question.id,
|
||||
}))
|
||||
);
|
||||
|
||||
await prisma.codeTemplate.createMany({
|
||||
data: newCodeTemplates,
|
||||
});
|
||||
|
||||
return prisma.codeTemplate.findMany();
|
||||
}
|
||||
|
||||
async function createEvents(): Promise<Event[]> {
|
||||
const users = await prisma.user.findMany();
|
||||
if (users.length === 0) {
|
||||
throw new Error("No users found fororganizers and participants.");
|
||||
}
|
||||
|
||||
const eventTypes = Object.values(EventType);
|
||||
|
||||
const events = await Promise.all(
|
||||
Array.from({ length: 5 }, () => {
|
||||
const startTime = faker.date.future();
|
||||
const endTime = faker.date.future({ refDate: startTime });
|
||||
const type = faker.helpers.arrayElement(eventTypes);
|
||||
const isVisible = faker.datatype.boolean();
|
||||
|
||||
return prisma.event.create({
|
||||
data: {
|
||||
name: faker.lorem.words(3),
|
||||
startTime,
|
||||
endTime,
|
||||
type,
|
||||
isVisible,
|
||||
organizer: {
|
||||
connect: {
|
||||
id: faker.helpers.arrayElement(users).id,
|
||||
},
|
||||
},
|
||||
participants: {
|
||||
connect: faker.helpers
|
||||
.arrayElements(users, { min: 1, max: 5 })
|
||||
.map((user) => ({ id: user.id })),
|
||||
},
|
||||
},
|
||||
});
|
||||
})
|
||||
);
|
||||
|
||||
return events;
|
||||
}
|
||||
|
||||
async function createEventQuestions(
|
||||
event: Event,
|
||||
questions: Question[]
|
||||
): Promise<EventQuestion[]> {
|
||||
const selectedQuestions = faker.helpers.arrayElements(
|
||||
questions,
|
||||
faker.number.int({ min: 1, max: questions.length })
|
||||
);
|
||||
|
||||
const shuffledQuestions = faker.helpers.shuffle(selectedQuestions);
|
||||
|
||||
return Promise.all(
|
||||
shuffledQuestions.map((question, index) =>
|
||||
prisma.eventQuestion.create({
|
||||
data: {
|
||||
event: {
|
||||
connect: {
|
||||
id: event.id,
|
||||
},
|
||||
},
|
||||
question: {
|
||||
connect: {
|
||||
id: question.id,
|
||||
},
|
||||
},
|
||||
displayOrder: index,
|
||||
},
|
||||
})
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
async function main() {
|
||||
const rolesWithCount = [
|
||||
{ role: UserRole.ADMIN, count: 2 },
|
||||
{ role: UserRole.TEACHER, count: 3 },
|
||||
{ role: UserRole.STUDENT, count: 5 },
|
||||
{ role: UserRole.GUEST, count: 2 },
|
||||
];
|
||||
|
||||
try {
|
||||
await checkAndSeed(
|
||||
() => prisma.user.findMany(),
|
||||
() => createUsers(rolesWithCount),
|
||||
"users"
|
||||
);
|
||||
|
||||
await checkAndSeed(
|
||||
() => prisma.questionTag.findMany(),
|
||||
createQuestionTags,
|
||||
"question tags"
|
||||
);
|
||||
|
||||
await checkAndSeed(
|
||||
() => prisma.question.findMany(),
|
||||
createQuestions,
|
||||
"questions"
|
||||
);
|
||||
|
||||
await checkAndSeed(
|
||||
() => prisma.codeTemplate.findMany(),
|
||||
createCodeTemplates,
|
||||
"code templates"
|
||||
);
|
||||
|
||||
await checkAndSeed(() => prisma.event.findMany(), createEvents, "events");
|
||||
|
||||
const questions = await prisma.question.findMany();
|
||||
const events = await prisma.event.findMany();
|
||||
await Promise.all(
|
||||
events.map((event) => createEventQuestions(event, questions))
|
||||
);
|
||||
} catch (e) {
|
||||
console.error(e);
|
||||
process.exit(1);
|
||||
} finally {
|
||||
await prisma.$disconnect();
|
||||
}
|
||||
}
|
||||
|
||||
main();
|
||||
5
src/lib/prisma.ts
Normal file
5
src/lib/prisma.ts
Normal file
@ -0,0 +1,5 @@
|
||||
import { PrismaClient } from "@prisma/client";
|
||||
|
||||
const prisma: PrismaClient = new PrismaClient();
|
||||
|
||||
export default prisma;
|
||||
Loading…
Reference in New Issue
Block a user