initial commit

prisma/migrations/20260112213405_init/migration.sql

@@ -0,0 +1,29 @@
+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "username" TEXT NOT NULL,
+    "password" TEXT NOT NULL
+);
+
+-- CreateTable
+CREATE TABLE "Chat" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL,
+    "title" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    CONSTRAINT "Chat_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE RESTRICT ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "Message" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "role" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "chatId" TEXT NOT NULL,
+    CONSTRAINT "Message_chatId_fkey" FOREIGN KEY ("chatId") REFERENCES "Chat" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_username_key" ON "User"("username");

prisma/migrations/migration_lock.toml

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

prisma/schema.prisma

@@ -0,0 +1,37 @@
+// This is your Prisma schema file,
+// learn more about it in the docs: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id       String @id @default(cuid())
+  username String @unique
+  password String
+  chats    Chat[]
+}
+
+model Chat {
+  id        String    @id @default(cuid())
+  createdAt DateTime  @default(now())
+  updatedAt DateTime  @updatedAt
+  title     String
+  userId    String
+  user      User      @relation(fields: [userId], references: [id])
+  messages  Message[]
+}
+
+model Message {
+  id        String   @id @default(cuid())
+  createdAt DateTime @default(now())
+  role      String   // 'user' or 'assistant'
+  content   String
+  chatId    String
+  chat      Chat     @relation(fields: [chatId], references: [id], onDelete: Cascade)
+}