server/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 = "postgresql"
  url      = env("DATABASE_URL")
}

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

model Event {
  id            Int            @id
  date          DateTime
  disciplines   Discipline[]
  admins        Admin[]
  organisations Oragnisation[]
  campaigns     Campaign[]
}

model Admin {
  id       Int    @id
  name     String
  password String
  level    Int
  event    Event  @relation(fields: [eventId], references: [id])
  eventId  Int
}

model Campaign {
  id      Int      @id
  ends    DateTime
  limit   Int      @default(40)
  curr    Int      @default(0)
  links   String[]
  group   Group    @relation(fields: [groupId], references: [id])
  Event   Event    @relation(fields: [eventId], references: [id])
  eventId Int
  groupId Int
}

model Discipline {
  id          Int     @id
  name        String
  minteamsize Int
  maxteamsize Int
  event       Event   @relation(fields: [eventId], references: [id])
  eventId     Int
  teams       Teams[]
}

model Teams {
  id           Int           @id
  name         String
  startdate    DateTime
  participants Participant[]
  discipline   Discipline    @relation(fields: [disciplineId], references: [id])
  disciplineId Int
}

model Participant {
  id        Int    @id
  firstname String
  lastname  String
  email     String
  teams     Teams  @relation(fields: [teamsId], references: [id])
  teamsId   Int
}

model Oragnisation {
  id      Int     @id
  name    String
  groups  Group[]
  Event   Event   @relation(fields: [eventId], references: [id])
  eventId Int
}

model Group {
  id             Int          @id
  name           String
  Oragnisation   Oragnisation @relation(fields: [oragnisationId], references: [id])
  oragnisationId Int
  Campaign       Campaign[]
}