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BadNote/server/badnote_server/database.py
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"""Async SQLite database layer for BadNote."""
import aiosqlite
from .config import settings
_db: aiosqlite.Connection | None = None
async def get_db() -> aiosqlite.Connection:
"""Return the global database connection."""
global _db
if _db is None:
_db = await aiosqlite.connect(settings.db_path)
_db.row_factory = aiosqlite.Row
await _db.execute("PRAGMA journal_mode=WAL")
await _db.execute("PRAGMA foreign_keys=ON")
return _db
async def close_db() -> None:
"""Close the global database connection."""
global _db
if _db is not None:
await _db.close()
_db = None
async def init_db() -> None:
"""Create all tables if they do not exist."""
db = await get_db()
await db.executescript("""
CREATE TABLE IF NOT EXISTS users (
id TEXT PRIMARY KEY,
username TEXT UNIQUE NOT NULL,
password_hash TEXT NOT NULL,
created_at TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS notes (
id TEXT PRIMARY KEY,
user_id TEXT NOT NULL REFERENCES users(id),
title TEXT NOT NULL,
created_at TEXT NOT NULL,
updated_at TEXT NOT NULL,
tags TEXT NOT NULL DEFAULT '[]',
strokes_json TEXT NOT NULL DEFAULT '[]'
);
CREATE TABLE IF NOT EXISTS documents (
id TEXT PRIMARY KEY,
user_id TEXT NOT NULL REFERENCES users(id),
filename TEXT NOT NULL,
doc_type TEXT NOT NULL,
file_path TEXT NOT NULL,
page_count INTEGER NOT NULL DEFAULT 0,
created_at TEXT NOT NULL,
updated_at TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS annotations (
id TEXT PRIMARY KEY,
document_id TEXT NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
page_number INTEGER NOT NULL,
annotation_json TEXT NOT NULL,
created_at TEXT NOT NULL,
updated_at TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS bookmarks (
id TEXT PRIMARY KEY,
document_id TEXT NOT NULL REFERENCES documents(id) ON DELETE CASCADE,
page_number INTEGER NOT NULL,
label TEXT NOT NULL DEFAULT '',
color INTEGER NOT NULL DEFAULT 4283215696,
created_at TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS ocr_jobs (
id TEXT PRIMARY KEY,
note_id TEXT,
document_id TEXT,
page_number INTEGER,
status TEXT NOT NULL DEFAULT 'pending',
result_text TEXT,
error_message TEXT,
created_at TEXT NOT NULL,
completed_at TEXT
);
""")
await db.commit()