Merge pull request #1 from GithubOrgProjectPiza/DB_schema

Add db shema to the dev branch

prisma/schema.prisma

@@ -0,0 +1,66 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id             Int          @id @default(autoincrement())
+  email          String       @unique
+  passwordHash   String
+  passwordSalt   String
+  role           Role         @default(USER)
+  organization   Organization @relation(fields: [organizationId], references: [id])
+  organizationId Int
+  orders         Order[]
+}
+
+model Restaurant {
+  id          Int     @id @default(autoincrement())
+  name        String  @unique
+  description String?
+  pizzas      Pizza[]
+}
+
+model Pizza {
+  id           Int            @id @default(autoincrement())
+  name         String         @unique
+  description  String?
+  restaurant   Restaurant     @relation(fields: [restaurantId], references: [id])
+  restaurantId Int
+  orders       PizzaToOrder[]
+}
+
+model Order {
+  id     Int            @id @default(autoincrement())
+  user   User           @relation(fields: [userId], references: [id])
+  userId Int
+  pizzas PizzaToOrder[]
+}
+
+model PizzaToOrder {
+  id      Int   @id @default(autoincrement())
+  order   Order @relation(fields: [orderId], references: [id])
+  orderId Int
+  pizza   Pizza @relation(fields: [pizzaId], references: [id])
+  pizzaId Int
+}
+
+model Organization {
+  id     Int    @id @default(autoincrement())
+  name   String
+  domain String
+  users  User[]
+  userId Int
+}
+
+enum Role {
+  USER
+  ADMIN
+}