experiments-database/backend/prisma/schema.prisma

generator client {
  provider      = "prisma-client-js"
  binaryTargets = ["native", "linux-musl-openssl-3.0.x"]
}

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

model Experiment {
  id         String   @id @default(uuid())
  title      String
  created_at DateTime @default(now())
  animals    Animal[]

  @@map("experiments")
}

model Animal {
  id               String        @id @default(uuid())
  experiment_id    String
  animal_id_string String
  animal_name      String
  experiment       Experiment    @relation(fields: [experiment_id], references: [id], onDelete: Cascade)
  daily_statuses   DailyStatus[]

  @@map("animals")
}

model DailyStatus {
  id                     String   @id @default(uuid())
  animal_id              String
  date                   DateTime @db.Date
  experiment_description String?
  vitals                 String?
  treatment              String?
  notes                  String?
  animal                 Animal   @relation(fields: [animal_id], references: [id], onDelete: Cascade)

  @@map("daily_statuses")
}

model AuditLog {
  id         String   @id @default(uuid())
  table_name String
  record_id  String
  action     String
  changes    Json
  timestamp  DateTime @default(now())

  @@map("audit_logs")
}