brief-07-back/prisma/schema.prisma

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

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



model Crypto {
  id         String          @id @default(uuid())
  name       String
  value      Float
  image      String
  created_at DateTime        @default(now())
  updated_at DateTime        @updatedAt @default(now())
  UserHasCrypto UserHasCrypto[]
  Trade      Trade[]
  Offer Offer[]
}



model Offer {
  id   String @id @default(uuid())
  id_crypto String
  id_user String
  amount Float
  created_at       DateTime @default(now())
  updated_at       DateTime @updatedAt @default(now())

  Crypto             Crypto @relation(fields: [id_crypto], references: [id])
  User             User @relation(fields: [id_user], references: [id])
  Trade      Trade[]

  }

model PromoCode {
  id   String @id @default(uuid())
  name String
  value Int
  created_at       DateTime @default(now())
  updated_at       DateTime @updatedAt @default(now())
  
}

model Role {
  id   String   @id @default(uuid())
  name  String
  created_at       DateTime @default(now())
  updated_at       DateTime @updatedAt @default(now())
  
  User       User[]
}

model Trade {
  id        String    @id @default(uuid())
  id_giver         String
  id_receiver      String
  id_crypto        String
  amount_traded    Float
  id_offer         String 
  created_at       DateTime  @default(now())
  updated_at       DateTime  @updatedAt @default(now())

  Offer             Offer @relation(fields: [id_offer], references: [id])
  Giver            User      @relation("Giver", fields: [id_giver], references: [id])
  Receiver         User      @relation("Receiver", fields: [id_receiver], references: [id])
  Crypto           Crypto    @relation(fields: [id_crypto], references: [id])
}

model User {
  id               String   @id @default(uuid())
  firstName        String
  lastName         String
  pseudo           String
  hash             String
  email            String @unique
  roleId           String
  isActive         Boolean
  city             String
  dollarAvailables Float
  created_at       DateTime @default(now())
  updated_at       DateTime @updatedAt @default(now())

  Role             Role     @relation(fields: [roleId], references: [id])
  UserHasCrypto    UserHasCrypto[]
  TradeGiven       Trade[]  @relation("Giver")
  TradeReceived    Trade[]  @relation("Receiver")
  Offer Offer[]
}

model UserHasCrypto {
  id         String          @id @default(uuid())
  id_user    String
  id_crypto  String
  amount     Int
  createdAt  DateTime        @default(now())
  updated_at DateTime        @updatedAt @default(now())
  User       User            @relation(fields: [id_user], references: [id])
  Crypto     Crypto          @relation(fields: [id_crypto], references: [id])
  
}