server/prisma/schema.prisma

// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

model User {
  id     Int     @id @default(autoincrement())
  email  String  @unique
  role   Role    @default(USER)
  orders Order[]
}

model Restaurant {
  id          Int     @id @default(autoincrement())
  name        String  @unique
  description String?
  pizzas      Pizza[]
}

model Pizza {
  id           Int            @id @default(autoincrement())
  name         String         @unique
  description  String?
  restaurant   Restaurant     @relation(fields: [restaurantId], references: [id])
  restaurantId Int
  orders       PizzatoOrder[]
}

model Order {
  id     Int            @id @default(autoincrement())
  user   User           @relation(fields: [userId], references: [id])
  userId Int
  pizzas PizzatoOrder[]
}

model PizzatoOrder {
  id      Int   @id @default(autoincrement())
  order   Order @relation(fields: [orderId], references: [id])
  orderId Int
  pizza   Pizza @relation(fields: [pizzaId], references: [id])
  pizzaId Int
}

enum Role {
  USER
  ADMIN
}