TehRiehlBudget/tehriehlbudget-backend/prisma/schema.prisma

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

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

model User {
  id         String   @id @default(uuid())
  supabaseId String   @unique @map("supabase_id")
  email      String   @unique
  name       String?
  createdAt  DateTime @default(now()) @map("created_at")
  updatedAt  DateTime @updatedAt @map("updated_at")

  accounts     Account[]
  transactions Transaction[]
  categories   Category[]
  activityLogs ActivityLog[]
  @@map("users")
}

model Account {
  id            String      @id @default(uuid())
  userId        String      @map("user_id")
  name          String
  type          AccountType
  balance       Decimal     @default(0) @db.Decimal(12, 2)
  institution   String?
  accountNumber String?     @map("account_number")
  sortOrder     Int         @default(0) @map("sort_order")
  createdAt     DateTime    @default(now()) @map("created_at")
  updatedAt     DateTime    @updatedAt @map("updated_at")

  user                   User               @relation(fields: [userId], references: [id], onDelete: Cascade)
  transactions           Transaction[]      @relation("AccountTransactions")
  incomingTransfers      Transaction[]      @relation("DestinationAccountTransactions")
  valuations             AccountValuation[]

  @@map("accounts")
}

enum AccountType {
  CHECKING
  SAVINGS
  CREDIT
  LOAN
  STOCK
  CASH
  INVESTMENT
  RETIREMENT
}

model AccountValuation {
  id        String   @id @default(uuid())
  accountId String   @map("account_id")
  date      DateTime
  value     Decimal  @db.Decimal(12, 2)
  createdAt DateTime @default(now()) @map("created_at")

  account Account @relation(fields: [accountId], references: [id], onDelete: Cascade)

  @@index([accountId, date])
  @@map("account_valuations")
}

model Transaction {
  id                   String          @id @default(uuid())
  userId               String          @map("user_id")
  accountId            String          @map("account_id")
  destinationAccountId String?         @map("destination_account_id")
  categoryId           String?         @map("category_id")
  amount               Decimal         @db.Decimal(12, 2)
  type                 TransactionType
  description          String
  notes                String?
  date                 DateTime
  receiptPath          String?         @map("receipt_path")
  externalId           String?         @map("external_id")
  createdAt            DateTime        @default(now()) @map("created_at")
  updatedAt            DateTime        @updatedAt @map("updated_at")

  user               User      @relation(fields: [userId], references: [id], onDelete: Cascade)
  account            Account   @relation("AccountTransactions", fields: [accountId], references: [id], onDelete: Cascade)
  destinationAccount Account?  @relation("DestinationAccountTransactions", fields: [destinationAccountId], references: [id], onDelete: Cascade)
  category           Category? @relation(fields: [categoryId], references: [id], onDelete: SetNull)

  @@index([accountId, externalId])
  @@index([accountId, date])
  @@map("transactions")
}

enum TransactionType {
  INCOME
  EXPENSE
  TRANSFER
}

model Category {
  id        String   @id @default(uuid())
  userId    String   @map("user_id")
  name      String
  color     String?
  icon      String?
  createdAt DateTime @default(now()) @map("created_at")
  updatedAt DateTime @updatedAt @map("updated_at")

  user         User          @relation(fields: [userId], references: [id], onDelete: Cascade)
  transactions Transaction[]

  @@unique([userId, name])
  @@map("categories")
}

enum EntityType {
  TRANSACTION
  ACCOUNT
  ACCOUNT_VALUATION
}

enum ActivityAction {
  CREATE
  UPDATE
  DELETE
}

model ActivityLog {
  id                   String         @id @default(uuid())
  userId               String         @map("user_id")
  entityType           EntityType     @map("entity_type")
  entityId             String         @map("entity_id")
  action               ActivityAction
  accountId            String?        @map("account_id")
  destinationAccountId String?        @map("destination_account_id")
  summary              String?
  snapshot             Json?
  createdAt            DateTime       @default(now()) @map("created_at")

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  @@index([userId, createdAt])
  @@index([userId, accountId, createdAt])
  @@index([userId, destinationAccountId, createdAt])
  @@index([userId, entityType, createdAt])
  @@map("activity_logs")
}