first working release

prisma/schema.prisma

@@ -0,0 +1,52 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+// Get a free hosted Postgres database in seconds: `npx create-db`
+
+generator client {
+  provider = "prisma-client"
+  output   = "../src/generated/prisma"
+}
+
+datasource db {
+  provider = "sqlite"
+}
+
+// A physical location in the building (e.g., "Serverraum", "Wohnzimmer")
+model Location {
+  id          Int     @id @default(autoincrement())
+  name        String
+  description String? // Optional Markdown text
+
+  // A location can be the start OR end of many cables
+  startCables Cable[] @relation("StartLocation")
+  endCables   Cable[] @relation("EndLocation")
+}
+
+// A single cable run documented in the system
+model Cable {
+  id          Int      @id @default(autoincrement())
+  identifier  String   // e.g. "Kabel 01", "LAN-01"
+  description String?  // Short plain-text summary
+  notes       String?  // Long-form Markdown notes
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+
+  startLocationId Int
+  endLocationId   Int
+
+  startLocation Location @relation("StartLocation", fields: [startLocationId], references: [id])
+  endLocation   Location @relation("EndLocation", fields: [endLocationId], references: [id])
+
+  cores Core[] // One cable can have many cores/wires
+}
+
+// A single wire/core within a cable (e.g., "Blau", "Rot/Weiß")
+model Core {
+  id    Int     @id @default(autoincrement())
+  color String  // Color designation, e.g. "Blau", "Braun/Weiß"
+  notes String? // Optional Markdown notes
+
+  cableId Int
+  cable   Cable @relation(fields: [cableId], references: [id], onDelete: Cascade)
+}