Merge pull request #215 from Miracle656/feature/issue-154-database-setup

feat: Add database setup and schema for User and Preferences (#154)

Author: Baskarayelu

README.md

@@ -36,6 +36,11 @@ The frontend includes placeholder pages and components for:
 # Install dependencies
 npm install
 
+# Setup Database
+# 1. Ensure you have `.env` file with `DATABASE_URL="file:./dev.db"`
+# 2. Run initial Prisma migration
+npx prisma migrate dev
+
 # Run development server
 npm run dev
 ```

lib/db.ts

@@ -0,0 +1,14 @@
+import { PrismaClient } from "@prisma/client";
+
+declare global {
+  // eslint-disable-next-line no-var
+  var prisma: PrismaClient | undefined;
+}
+
+const prisma = global.prisma || new PrismaClient();
+
+if (process.env.NODE_ENV !== "production") {
+  global.prisma = prisma;
+}
+
+export default prisma;

package.json

@@ -10,6 +10,7 @@
     "test:e2e": "playwright test"
   },
   "dependencies": {
+    "@prisma/client": "^5.22.0",
     "@radix-ui/react-icons": "^1.3.2",
     "@stellar/stellar-sdk": "^11.2.2",
     "clsx": "^2.1.1",
@@ -30,6 +31,7 @@
     "eslint": "^9.39.2",
     "eslint-config-next": "^16.1.6",
     "postcss": "^8.4.0",
+    "prisma": "^5.22.0",
     "tailwindcss": "^3.3.0",
     "typescript": "^5.0.0"
   }

pnpm-lock.yaml

@@ -0,0 +1,23 @@
+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "stellar_address" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL
+);
+
+-- CreateTable
+CREATE TABLE "UserPreference" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "userId" TEXT NOT NULL,
+    "currency" TEXT NOT NULL DEFAULT 'USD',
+    "language" TEXT NOT NULL DEFAULT 'en',
+    "notifications_enabled" BOOLEAN NOT NULL DEFAULT true,
+    CONSTRAINT "UserPreference_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_stellar_address_key" ON "User"("stellar_address");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "UserPreference_userId_key" ON "UserPreference"("userId");

prisma/dev.db

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "sqlite"

prisma/dev.db-journal

@@ -0,0 +1,25 @@
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+model User {
+  id              String          @id @default(cuid())
+  stellar_address String          @unique
+  createdAt       DateTime        @default(now())
+  updatedAt       DateTime        @updatedAt
+  preferences     UserPreference?
+}
+
+model UserPreference {
+  id                    String  @id @default(cuid())
+  userId                String  @unique
+  user                  User    @relation(fields: [userId], references: [id], onDelete: Cascade)
+  currency              String  @default("USD")
+  language              String  @default("en")
+  notifications_enabled Boolean @default(true)
+}

prisma/migrations/20260224173548_init/migration.sql

@@ -0,0 +1,15 @@
+Prisma schema loaded from prisma\schema.prisma.
+
+Error: Prisma schema validation - (validate wasm)
+Error code: P1012
+error: The datasource property `url` is no longer supported in schema files. Move connection URLs for Migrate to `prisma.config.ts` and pass either `adapter` for a direct database connection or `accelerateUrl` for Accelerate to the `PrismaClient` constructor. See https://pris.ly/d/config-datasource and https://pris.ly/d/prisma7-client-config
+  -->  prisma\schema.prisma:3
+   | 
+ 2 |   provider = "sqlite"
+ 3 |   url      = env("DATABASE_URL")
+   | 
+
+Validation Error Count: 1
+[Context: validate]
+
+Prisma CLI Version : 7.4.1