initial booking

prisma/schema.prisma

@@ -0,0 +1,135 @@
+// Boka Gasol247 — Prisma schema
+// SQLite for MVP. Migrating to Postgres later: change provider + DATABASE_URL.
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+// Singleton settings row. Always accessed with id = "singleton" so we never
+// have more than one row. Add new fields as feature flags grow.
+model Settings {
+  id             String   @id @default("singleton")
+  pickupEnabled  Boolean  @default(true)
+  updatedAt      DateTime @updatedAt
+}
+
+model Admin {
+  id           String   @id @default(cuid())
+  email        String   @unique
+  name         String
+  passwordHash String
+  createdAt    DateTime @default(now())
+  updatedAt    DateTime @updatedAt
+}
+
+model Product {
+  id            String        @id @default(cuid())
+  sku           String        @unique
+  nameSv        String
+  nameEn        String
+  descriptionSv String
+  descriptionEn String
+  // Price in öre (SEK * 100) to avoid float issues.
+  priceOre      Int
+  // VAT in basis points (e.g. 2500 = 25.00%).
+  vatBp         Int           @default(2500)
+  active        Boolean       @default(true)
+  sortOrder     Int           @default(0)
+  createdAt     DateTime      @default(now())
+  updatedAt     DateTime      @updatedAt
+  bookingItems  BookingItem[]
+}
+
+model PickupSlot {
+  id        String    @id @default(cuid())
+  // Human label fallback (e.g. "Måndag förmiddag").
+  labelSv   String
+  labelEn   String
+  startsAt  DateTime
+  endsAt    DateTime
+  capacity  Int       @default(50)
+  active    Boolean   @default(true)
+  bookings  Booking[]
+  createdAt DateTime  @default(now())
+  updatedAt DateTime  @updatedAt
+}
+
+// BookingStatus values (string, since SQLite has no enums):
+//   PENDING | CONFIRMED
+//   DELIVERED_PARTIAL | DELIVERED              (handout out, none returned)
+//   RETURNED_PARTIAL  | RETURNED               (everything has come back)
+//   INVOICED          (billing done, terminal)
+//   CANCELLED         (terminal)
+// Derived statuses (DELIVERED*/RETURNED*) are normally auto-set from item
+// counters; INVOICED and CANCELLED are set explicitly by admin.
+model Booking {
+  id            String        @id @default(cuid())
+  bookingNumber String        @unique
+  status        String        @default("CONFIRMED")
+
+  // Contact
+  contactName   String
+  email         String
+  phone         String
+
+  // Organization
+  orgName       String
+  orgNumber     String
+
+  // Invoice address
+  address       String
+  postalCode    String
+  city          String
+  country       String        @default("SE")
+
+  // Pickup
+  pickupSlotId  String?
+  pickupSlot    PickupSlot?   @relation(fields: [pickupSlotId], references: [id])
+
+  notes         String?
+
+  // Snapshots in öre at booking time
+  subtotalOre   Int
+  vatOre        Int
+  totalOre      Int
+
+  locale        String        @default("sv")
+
+  items         BookingItem[]
+
+  createdAt     DateTime      @default(now())
+  updatedAt     DateTime      @updatedAt
+
+  @@index([createdAt])
+  @@index([status])
+}
+
+model BookingItem {
+  id          String  @id @default(cuid())
+  bookingId   String
+  booking     Booking @relation(fields: [bookingId], references: [id], onDelete: Cascade)
+  productId   String
+  product     Product @relation(fields: [productId], references: [id])
+
+  // Snapshots so historical bookings don't break if a product changes
+  sku         String
+  nameSv      String
+  nameEn      String
+  unitPriceOre Int
+  vatBp       Int
+  quantity    Int
+  lineTotalOre Int
+
+  // Fulfillment tracking — set by admin as cylinders go out and come back.
+  // Invariants: 0 <= deliveredQuantity <= quantity
+  //             0 <= returnedQuantity  <= deliveredQuantity
+  deliveredQuantity Int @default(0)
+  returnedQuantity  Int @default(0)
+
+  @@index([bookingId])
+}