Esquema de Prisma a utilizar

schema.prisma

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

// Looking for ways to speed up your queries, or scale easily with your serverless or edge functions?
// Try Prisma Accelerate: https://pris.ly/cli/accelerate-init

generator client {
  provider = "prisma-client"
  output   = "../src/generated/prisma"
}

datasource db {
  provider = "postgresql"
}

model User {
  id        String   @id @default(uuid())
  name      String
  email     String   @unique
  password  String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  groupMessages         GroupMessage[]
  sentDirectMessages    DirectMessage[] @relation("SentMessages")
  receiveDirectMessages DirectMessage[] @relation("ReceivedMessages")
}

model Group {
  id        String   @id @default(uuid())
  name      String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  groupMessages GroupMessage[]
}

model GroupMessage {
  id        String   @id @default(uuid())
  content   String
  senderId  String
  groupId   String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  sender User  @relation(fields: [senderId], references: [id])
  group  Group @relation(fields: [groupId], references: [id])
}

model DirectMessage {
  id         String   @id @default(uuid())
  content    String
  senderId   String
  receiverId String
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  sender   User @relation("SentMessages", fields: [senderId], references: [id])
  receiver User @relation("ReceivedMessages", fields: [receiverId], references: [id])
}