feat(prisma): add initial migration

prisma/migrations/20250311071446_init/migration.sql

@@ -0,0 +1,53 @@
+-- CreateEnum
+CREATE TYPE "Role" AS ENUM ('ADMIN', 'TEACHER', 'STUDENT', 'GUEST');
+
+-- CreateEnum
+CREATE TYPE "Difficulty" AS ENUM ('EASY', 'MEDIUM', 'HARD');
+
+-- CreateEnum
+CREATE TYPE "EditorLanguage" AS ENUM ('c', 'cpp');
+
+-- CreateTable
+CREATE TABLE "User" (
+    "id" SERIAL NOT NULL,
+    "name" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "role" "Role" NOT NULL DEFAULT 'GUEST',
+
+    CONSTRAINT "User_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Problem" (
+    "id" SERIAL NOT NULL,
+    "title" TEXT NOT NULL,
+    "description" TEXT NOT NULL,
+    "solution" TEXT NOT NULL,
+    "difficulty" "Difficulty" NOT NULL DEFAULT 'EASY',
+    "published" BOOLEAN NOT NULL DEFAULT false,
+    "authorId" INTEGER NOT NULL,
+
+    CONSTRAINT "Problem_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Template" (
+    "id" SERIAL NOT NULL,
+    "language" "EditorLanguage" NOT NULL,
+    "template" TEXT NOT NULL,
+    "problemId" INTEGER NOT NULL,
+
+    CONSTRAINT "Template_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_name_key" ON "User"("name");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
+
+-- AddForeignKey
+ALTER TABLE "Problem" ADD CONSTRAINT "Problem_authorId_fkey" FOREIGN KEY ("authorId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Template" ADD CONSTRAINT "Template_problemId_fkey" FOREIGN KEY ("problemId") REFERENCES "Problem"("id") ON DELETE RESTRICT 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"