50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
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import Database from 'better-sqlite3';
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import path from 'path';
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import fs from 'fs';
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const DATA_DIR = process.env.DATA_DIR ?? '/data';
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const DB_DIR = path.join(DATA_DIR, 'db');
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const DB_PATH = path.join(DB_DIR, 'memer.db');
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fs.mkdirSync(DB_DIR, { recursive: true });
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const db = new Database(DB_PATH);
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// Enable WAL mode for better concurrent read performance
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db.pragma('journal_mode = WAL');
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db.pragma('foreign_keys = ON');
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db.exec(`
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CREATE TABLE IF NOT EXISTS memes (
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id TEXT PRIMARY KEY,
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title TEXT NOT NULL,
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description TEXT,
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file_path TEXT NOT NULL,
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file_name TEXT NOT NULL,
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file_size INTEGER NOT NULL,
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mime_type TEXT NOT NULL,
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width INTEGER NOT NULL,
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height INTEGER NOT NULL,
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parent_id TEXT REFERENCES memes(id) ON DELETE CASCADE,
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created_at TEXT NOT NULL DEFAULT (datetime('now'))
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);
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CREATE TABLE IF NOT EXISTS tags (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT UNIQUE NOT NULL COLLATE NOCASE
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);
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CREATE TABLE IF NOT EXISTS meme_tags (
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meme_id TEXT NOT NULL REFERENCES memes(id) ON DELETE CASCADE,
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tag_id INTEGER NOT NULL REFERENCES tags(id) ON DELETE CASCADE,
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PRIMARY KEY (meme_id, tag_id)
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);
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CREATE INDEX IF NOT EXISTS idx_memes_parent_id ON memes(parent_id);
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CREATE INDEX IF NOT EXISTS idx_memes_created_at ON memes(created_at DESC);
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CREATE INDEX IF NOT EXISTS idx_meme_tags_meme_id ON meme_tags(meme_id);
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CREATE INDEX IF NOT EXISTS idx_meme_tags_tag_id ON meme_tags(tag_id);
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`);
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export default db;
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