init commit

prisma/migrations/20250913033013_init/migration.sql

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+-- CreateTable
+CREATE TABLE "public"."User" (
+    "id" TEXT NOT NULL,
+    "username" TEXT NOT NULL,
+    "password" TEXT NOT NULL,
+    "avatar" BYTEA,
+    "avatarMime" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "User_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "public"."CircuitModel" (
+    "id" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "authorId" TEXT NOT NULL,
+    "desc" TEXT NOT NULL,
+    "model" JSONB NOT NULL,
+    "preview" BYTEA,
+    "previewMime" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "CircuitModel_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_username_key" ON "public"."User"("username");
+
+-- CreateIndex
+CREATE INDEX "CircuitModel_authorId_idx" ON "public"."CircuitModel"("authorId");
+
+-- CreateIndex
+CREATE INDEX "CircuitModel_createdAt_idx" ON "public"."CircuitModel"("createdAt");
+
+-- AddForeignKey
+ALTER TABLE "public"."CircuitModel" ADD CONSTRAINT "CircuitModel_authorId_fkey" FOREIGN KEY ("authorId") REFERENCES "public"."User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/migration_lock.toml

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+# Please do not edit this file manually
+# It should be added in your version-control system (e.g., Git)
+provider = "postgresql"

prisma/schema.prisma

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+// Prisma schema for circuit-virtual-lab-server
+// PostgreSQL provider, use DATABASE_URL from .env
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id        String   @id @default(cuid())
+  username  String   @unique
+  password  String   // bcrypt hash
+  avatar    Bytes?   // store binary avatar
+  avatarMime String?
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+  models    CircuitModel[]
+}
+
+model CircuitModel {
+  id        String   @id @default(cuid())
+  title     String
+  author    User     @relation(fields: [authorId], references: [id], onDelete: Cascade)
+  authorId  String
+  desc      String   // markdown
+  model     Json     // JSON model data
+  preview   Bytes?   // binary preview image
+  previewMime String?
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  @@index([authorId])
+  @@index([createdAt])
+}

prisma/seed.ts

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+import 'dotenv/config';
+import { prisma } from '../src/lib/prisma';
+import bcrypt from 'bcryptjs';
+
+async function main() {
+  // Ensure an initial user
+  const username = 'admin';
+  const password = 'admin123';
+  const hash = await bcrypt.hash(password, 10);
+  const user = await prisma.user.upsert({
+    where: { username },
+    create: { username, password: hash },
+    update: {},
+  });
+
+  // Insert sample models
+  const tinyPng = Buffer.from(
+    'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMBA7P6sGQAAAAASUVORK5CYII=',
+    'base64'
+  );
+
+  const samples = [
+    {
+      title: '直流电桥测电阻（单臂）',
+      desc: '使用直流电桥进行未知电阻测量的经典实验。',
+      model: { type: 'dc_bridge_single_arm', version: 1 },
+    },
+    {
+      title: 'RC 充放电实验',
+      desc: '研究 RC 电路的充放电过程与时间常数。',
+      model: { type: 'rc_charge_discharge', version: 1 },
+    },
+  ];
+
+  for (const s of samples) {
+    await prisma.circuitModel.create({
+      data: {
+        title: s.title,
+        desc: s.desc,
+        model: s.model as any,
+        preview: tinyPng,
+        previewMime: 'image/png',
+        authorId: user.id,
+      },
+    });
+  }
+
+  console.log('Seed completed. Admin user:', username, 'password:', password);
+}
+
+main().catch((e) => {
+  console.error(e);
+  process.exit(1);
+});