therapist/prisma/schema.prisma

// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

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

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

model Session {
  id String @id @default(auto()) @map("_id") @db.ObjectId

  startedAt DateTime @default(now())
  transferedAt DateTime?
  endedAt DateTime?

  callId String @unique
  callerPhone String @unique
  receiverPhone String? @unique
  messages Message[]
}

enum Role {
  USER
  BOT
  REP
}

model Message {
  id String @id @default(auto()) @map("_id") @db.ObjectId

  createdAt DateTime @default(now())
  role Role
  content String

  session Session @relation(fields: [sessionId], references: [id])
  sessionId String @db.ObjectId
}