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prisma/schema.prisma

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+generator client {
+  provider = "prisma-client-js"
+  output   = "../generated/prisma"
+}
+
+datasource db {
+  provider          = "postgresql"
+  url               = env("DATABASE_URL")
+  shadowDatabaseUrl = env("SHADOW_DATABASE_URL")
+}
+
+model User {
+  id           String        @id @default(cuid())
+  createdAt    DateTime      @default(now())
+  updatedAt    DateTime      @updatedAt
+  transactions Transaction[]
+  wallets      Wallet[]
+  categories   Category[]
+
+  @@map("users")
+}
+
+model Wallet {
+  id           String        @id @default(cuid())
+  userId       String
+  name         String
+  kind         String        @default("money")
+  currency     String?
+  unit         String?
+  createdAt    DateTime      @default(now())
+  updatedAt    DateTime      @updatedAt
+  deletedAt    DateTime?
+  transactions Transaction[]
+  user         User          @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@map("wallets")
+}
+
+model Category {
+  id        String   @id @default(cuid())
+  userId    String
+  name      String
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@unique([userId, name])
+  @@map("categories")
+}
+
+model Transaction {
+  id        String   @id @default(cuid())
+  userId    String
+  walletId  String
+  amount    Float
+  direction String
+  date      DateTime @default(now())
+  category  String?
+  memo      String?
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+  user      User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  wallet    Wallet   @relation(fields: [walletId], references: [id], onDelete: Cascade)
+
+  @@map("transactions")
+}