feat: initialize Next.js project with database schema

- Set up Next.js with App Router, TypeScript, Tailwind CSS - Configure shadcn/ui with dark theme - Install dependencies: lightweight-charts, papaparse, lucide-react - Set up Drizzle ORM with better-sqlite3 - Create database schema for candles and annotations tables - Generate migration SQL
2026-02-12 10:23:02 +01:00 · 2026-02-12 10:23:02 +01:00 · d04b673cfa
commit d04b673cfa
parent 7d2fc42b73
25 changed files with 903 additions and 0 deletions
--- a/src/app/globals.css
+++ b/src/app/globals.css
@ -0,0 +1,38 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 222.2 84% 4.9%;
+    --foreground: 210 40% 98%;
+    --card: 222.2 84% 4.9%;
+    --card-foreground: 210 40% 98%;
+    --popover: 222.2 84% 4.9%;
+    --popover-foreground: 210 40% 98%;
+    --primary: 217.2 91.2% 59.8%;
+    --primary-foreground: 222.2 47.4% 11.2%;
+    --secondary: 217.2 32.6% 17.5%;
+    --secondary-foreground: 210 40% 98%;
+    --muted: 217.2 32.6% 17.5%;
+    --muted-foreground: 215 20.2% 65.1%;
+    --accent: 217.2 32.6% 17.5%;
+    --accent-foreground: 210 40% 98%;
+    --destructive: 0 62.8% 30.6%;
+    --destructive-foreground: 210 40% 98%;
+    --border: 217.2 32.6% 17.5%;
+    --input: 217.2 32.6% 17.5%;
+    --ring: 224.3 76.3% 48%;
+    --radius: 0.5rem;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+    font-family: Arial, Helvetica, sans-serif;
+  }
+}
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@ -0,0 +1,19 @@
+import type { Metadata } from "next";
+import "./globals.css";
+
+export const metadata: Metadata = {
+  title: "Candle Annotator",
+  description: "Annotate candlestick charts for ML training",
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en">
+      <body className="antialiased">{children}</body>
+    </html>
+  );
+}
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@ -0,0 +1,10 @@
+export default function Home() {
+  return (
+    <main className="min-h-screen p-8">
+      <h1 className="text-2xl font-bold">Candle Annotator</h1>
+      <p className="mt-4 text-slate-400">
+        Upload CSV data and annotate candlestick charts
+      </p>
+    </main>
+  );
+}
--- a/src/components/ui/button.tsx
+++ b/src/components/ui/button.tsx
@ -0,0 +1,51 @@
+import * as React from "react"
+import { cva, type VariantProps } from "class-variance-authority"
+import { cn } from "@/lib/utils"
+
+const buttonVariants = cva(
+  "inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+  {
+    variants: {
+      variant: {
+        default: "bg-primary text-primary-foreground hover:bg-primary/90",
+        destructive:
+          "bg-destructive text-destructive-foreground hover:bg-destructive/90",
+        outline:
+          "border border-input bg-background hover:bg-accent hover:text-accent-foreground",
+        secondary:
+          "bg-secondary text-secondary-foreground hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+      },
+      size: {
+        default: "h-10 px-4 py-2",
+        sm: "h-9 rounded-md px-3",
+        lg: "h-11 rounded-md px-8",
+        icon: "h-10 w-10",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+export interface ButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
+    VariantProps<typeof buttonVariants> {}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ className, variant, size, ...props }, ref) => {
+    return (
+      <button
+        className={cn(buttonVariants({ variant, size, className }))}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Button.displayName = "Button"
+
+export { Button, buttonVariants }
--- a/src/components/ui/tooltip.tsx
+++ b/src/components/ui/tooltip.tsx
@ -0,0 +1,53 @@
+"use client"
+
+import * as React from "react"
+import { cn } from "@/lib/utils"
+
+const TooltipProvider = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement>
+>(({ children, ...props }, ref) => (
+  <div ref={ref} {...props}>
+    {children}
+  </div>
+))
+TooltipProvider.displayName = "TooltipProvider"
+
+const Tooltip = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement>
+>(({ children, ...props }, ref) => (
+  <div ref={ref} {...props}>
+    {children}
+  </div>
+))
+Tooltip.displayName = "Tooltip"
+
+const TooltipTrigger = React.forwardRef<
+  HTMLButtonElement,
+  React.ButtonHTMLAttributes<HTMLButtonElement>
+>(({ children, ...props }, ref) => (
+  <button ref={ref} {...props}>
+    {children}
+  </button>
+))
+TooltipTrigger.displayName = "TooltipTrigger"
+
+const TooltipContent = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement>
+>(({ className, children, ...props }, ref) => (
+  <div
+    ref={ref}
+    className={cn(
+      "z-50 overflow-hidden rounded-md border bg-popover px-3 py-1.5 text-sm text-popover-foreground shadow-md animate-in fade-in-0 zoom-in-95",
+      className
+    )}
+    {...props}
+  >
+    {children}
+  </div>
+))
+TooltipContent.displayName = "TooltipContent"
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }
--- a/src/lib/db/index.ts
+++ b/src/lib/db/index.ts
@ -0,0 +1,15 @@
+import Database from 'better-sqlite3';
+import { drizzle } from 'drizzle-orm/better-sqlite3';
+import * as schema from './schema';
+import path from 'path';
+import fs from 'fs';
+
+// Ensure data directory exists
+const dataDir = path.join(process.cwd(), 'data');
+if (!fs.existsSync(dataDir)) {
+  fs.mkdirSync(dataDir, { recursive: true });
+}
+
+const dbPath = path.join(dataDir, 'candles.db');
+const sqlite = new Database(dbPath);
+export const db = drizzle(sqlite, { schema });
--- a/src/lib/db/migrate.ts
+++ b/src/lib/db/migrate.ts
@ -0,0 +1,23 @@
+import Database from 'better-sqlite3';
+import { drizzle } from 'drizzle-orm/better-sqlite3';
+import { migrate } from 'drizzle-orm/better-sqlite3/migrator';
+import path from 'path';
+import fs from 'fs';
+
+export function runMigrations() {
+  // Ensure data directory exists
+  const dataDir = path.join(process.cwd(), 'data');
+  if (!fs.existsSync(dataDir)) {
+    fs.mkdirSync(dataDir, { recursive: true });
+  }
+
+  const dbPath = path.join(dataDir, 'candles.db');
+  const sqlite = new Database(dbPath);
+  const db = drizzle(sqlite);
+
+  // Run migrations
+  migrate(db, { migrationsFolder: './drizzle' });
+
+  sqlite.close();
+  console.log('✅ Migrations complete');
+}
--- a/src/lib/db/schema.ts
+++ b/src/lib/db/schema.ts
@ -0,0 +1,18 @@
+import { sqliteTable, integer, real, text } from 'drizzle-orm/sqlite-core';
+
+export const candles = sqliteTable('candles', {
+  id: integer('id').primaryKey({ autoIncrement: true }),
+  time: integer('time').notNull().unique(),
+  open: real('open').notNull(),
+  high: real('high').notNull(),
+  low: real('low').notNull(),
+  close: real('close').notNull(),
+});
+
+export const annotations = sqliteTable('annotations', {
+  id: integer('id').primaryKey({ autoIncrement: true }),
+  timestamp: integer('timestamp').notNull(),
+  label_type: text('label_type').notNull(),
+  geometry: text('geometry'), // JSON string for line coordinates
+  created_at: integer('created_at').notNull(),
+});
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@ -0,0 +1,6 @@
+import { type ClassValue, clsx } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}