chore(db): migrate from SQLite to PostgreSQL

- Change Prisma provider from sqlite to postgresql
- Replace better-sqlite3 adapter with @prisma/adapter-pg
- Update prisma.config.ts and lib/prisma.ts for PostgreSQL
- Add DATABASE_URL to .env.local
- Regenerate Prisma client for PostgreSQL
- Recreate migrations for PostgreSQL database

prisma/migrations/20260410204435_init/migration.sql

@@ -1,60 +0,0 @@
--- CreateTable
-CREATE TABLE "User" (
-    "id" TEXT NOT NULL PRIMARY KEY,
-    "name" TEXT NOT NULL,
-    "email" TEXT NOT NULL,
-    "password" TEXT NOT NULL,
-    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
-);
-
--- CreateTable
-CREATE TABLE "Game" (
-    "id" TEXT NOT NULL PRIMARY KEY,
-    "userId" TEXT NOT NULL,
-    "mode" TEXT NOT NULL,
-    "startArticle" TEXT NOT NULL,
-    "targetArticle" TEXT NOT NULL,
-    "path" TEXT NOT NULL,
-    "clicks" INTEGER NOT NULL,
-    "timeSeconds" REAL NOT NULL,
-    "won" BOOLEAN NOT NULL DEFAULT true,
-    "playedAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    CONSTRAINT "Game_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
-);
-
--- CreateTable
-CREATE TABLE "DailyPuzzle" (
-    "id" TEXT NOT NULL PRIMARY KEY,
-    "date" TEXT NOT NULL,
-    "startArticle" TEXT NOT NULL,
-    "targetArticle" TEXT NOT NULL
-);
-
--- CreateTable
-CREATE TABLE "DailyResult" (
-    "id" TEXT NOT NULL PRIMARY KEY,
-    "puzzleId" TEXT NOT NULL,
-    "userId" TEXT NOT NULL,
-    "path" TEXT NOT NULL,
-    "clicks" INTEGER NOT NULL,
-    "timeSeconds" REAL NOT NULL,
-    "won" BOOLEAN NOT NULL,
-    "playedAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    CONSTRAINT "DailyResult_puzzleId_fkey" FOREIGN KEY ("puzzleId") REFERENCES "DailyPuzzle" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
-    CONSTRAINT "DailyResult_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
-);
-
--- CreateIndex
-CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
-
--- CreateIndex
-CREATE INDEX "Game_userId_idx" ON "Game"("userId");
-
--- CreateIndex
-CREATE UNIQUE INDEX "DailyPuzzle_date_key" ON "DailyPuzzle"("date");
-
--- CreateIndex
-CREATE INDEX "DailyResult_puzzleId_idx" ON "DailyResult"("puzzleId");
-
--- CreateIndex
-CREATE UNIQUE INDEX "DailyResult_puzzleId_userId_key" ON "DailyResult"("puzzleId", "userId");

prisma/migrations/20260411125349_add_banned_to_user/migration.sql

@@ -1,17 +0,0 @@
--- RedefineTables
-PRAGMA defer_foreign_keys=ON;
-PRAGMA foreign_keys=OFF;
-CREATE TABLE "new_User" (
-    "id" TEXT NOT NULL PRIMARY KEY,
-    "name" TEXT NOT NULL,
-    "email" TEXT NOT NULL,
-    "password" TEXT NOT NULL,
-    "banned" BOOLEAN NOT NULL DEFAULT false,
-    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
-);
-INSERT INTO "new_User" ("createdAt", "email", "id", "name", "password") SELECT "createdAt", "email", "id", "name", "password" FROM "User";
-DROP TABLE "User";
-ALTER TABLE "new_User" RENAME TO "User";
-CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
-PRAGMA foreign_keys=ON;
-PRAGMA defer_foreign_keys=OFF;

prisma/migrations/20260411135006_init/migration.sql

@@ -0,0 +1,75 @@
+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "password" TEXT NOT NULL,
+    "banned" BOOLEAN NOT NULL DEFAULT false,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "User_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Game" (
+    "id" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "mode" TEXT NOT NULL,
+    "startArticle" TEXT NOT NULL,
+    "targetArticle" TEXT NOT NULL,
+    "path" TEXT NOT NULL,
+    "clicks" INTEGER NOT NULL,
+    "timeSeconds" DOUBLE PRECISION NOT NULL,
+    "won" BOOLEAN NOT NULL DEFAULT true,
+    "playedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "Game_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "DailyPuzzle" (
+    "id" TEXT NOT NULL,
+    "date" TEXT NOT NULL,
+    "startArticle" TEXT NOT NULL,
+    "targetArticle" TEXT NOT NULL,
+
+    CONSTRAINT "DailyPuzzle_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "DailyResult" (
+    "id" TEXT NOT NULL,
+    "puzzleId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "path" TEXT NOT NULL,
+    "clicks" INTEGER NOT NULL,
+    "timeSeconds" DOUBLE PRECISION NOT NULL,
+    "won" BOOLEAN NOT NULL,
+    "playedAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "DailyResult_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
+
+-- CreateIndex
+CREATE INDEX "Game_userId_idx" ON "Game"("userId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "DailyPuzzle_date_key" ON "DailyPuzzle"("date");
+
+-- CreateIndex
+CREATE INDEX "DailyResult_puzzleId_idx" ON "DailyResult"("puzzleId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "DailyResult_puzzleId_userId_key" ON "DailyResult"("puzzleId", "userId");
+
+-- AddForeignKey
+ALTER TABLE "Game" ADD CONSTRAINT "Game_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "DailyResult" ADD CONSTRAINT "DailyResult_puzzleId_fkey" FOREIGN KEY ("puzzleId") REFERENCES "DailyPuzzle"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "DailyResult" ADD CONSTRAINT "DailyResult_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/migration_lock.toml

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

prisma/schema.prisma

@@ -4,7 +4,7 @@ generator client {
 }
 
 datasource db {
-  provider = "sqlite"
+  provider = "postgresql"
 }
 
 model User {