todou-backend/prisma/schema.prisma

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

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

model Location {
  id          Int        @id @default(autoincrement())
  name        String     @unique
  description String?
  categories  Category[]
  created_at  DateTime   @default(now())
  updated_at  DateTime   @updatedAt

  @@map("locations")
}

model Category {
  id                 Int                  @id @default(autoincrement())
  name               String
  location           Location             @relation(fields: [location_id], references: [id])
  location_id        Int
  items              Item[]
  boxes              Box[]
  userCategoryAccess UserCategoryAccess[]
  created_at         DateTime             @default(now())

  @@map("categories")
}

model Item {
  id          Int       @id @default(autoincrement())
  name        String
  code        String?
  description String?
  quantity    Int       @default(0)
  category    Category  @relation(fields: [category_id], references: [id])
  category_id Int
  box_items   BoxItem[]
  created_at  DateTime  @default(now())
  updated_at  DateTime  @updatedAt

  @@map("items")
}

model Box {
  id          Int       @id @default(autoincrement())
  name        String
  category    Category  @relation(fields: [category_id], references: [id])
  category_id Int
  items       BoxItem[]
  created_at  DateTime  @default(now())

  @@map("boxes")
}

model BoxItem {
  id         Int      @id @default(autoincrement())
  box        Box      @relation(fields: [box_id], references: [id])
  box_id     Int
  item       Item     @relation(fields: [item_id], references: [id])
  item_id    Int
  quantity   Int
  created_at DateTime @default(now())

  @@map("box_items")
}

model Role {
  id          Int              @id @default(autoincrement())
  name        String           @unique
  description String?
  users       User[]
  permissions RolePermission[]
  created_at  DateTime         @default(now())

  @@map("roles")
}

model Permission {
  id          Int              @id @default(autoincrement())
  name        String           @unique
  description String?
  roles       RolePermission[]
  created_at  DateTime         @default(now())

  @@map("permissions")
}

model RolePermission {
  id            Int        @id @default(autoincrement())
  role          Role       @relation(fields: [role_id], references: [id])
  role_id       Int
  permission    Permission @relation(fields: [permission_id], references: [id])
  permission_id Int
  created_at    DateTime   @default(now())

  @@unique([role_id, permission_id])
  @@map("role_permissions")
}

model User {
  id             Int                  @id @default(autoincrement())
  username       String               @unique
  password_hash  String
  role           Role                 @relation(fields: [role_id], references: [id])
  role_id        Int
  is_active      Boolean              @default(true)
  last_login     DateTime?
  categoryAccess UserCategoryAccess[]
  created_at     DateTime             @default(now())

  @@map("users")
}

model UserCategoryAccess {
  id          Int      @id @default(autoincrement())
  user        User     @relation(fields: [user_id], references: [id])
  user_id     Int
  category    Category @relation(fields: [category_id], references: [id])
  category_id Int
  created_at  DateTime @default(now())

  @@map("user_category_access")
}

model YearEndTransfer {
  id            Int      @id @default(autoincrement())
  year          Int
  completed_at  DateTime
  status        String
  error_message String?
  created_at    DateTime @default(now())

  @@map("year_end_transfers")
}