backend first draft

backend/db/index.js

@@ -0,0 +1,65 @@
+const Database = require('better-sqlite3');
+const path = require('path');
+const fs = require('fs');
+
+const DATA_DIR = process.env.DATA_DIR || path.join(__dirname, '..', 'data');
+if (!fs.existsSync(DATA_DIR)) {
+  fs.mkdirSync(DATA_DIR, { recursive: true });
+}
+
+const db = new Database(path.join(DATA_DIR, 'dispatch.db'));
+db.pragma('journal_mode = WAL');
+db.pragma('foreign_keys = ON');
+
+db.exec(`
+CREATE TABLE IF NOT EXISTS folders (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  name TEXT NOT NULL,
+  sort_order INTEGER DEFAULT 0,
+  created_at TEXT DEFAULT (datetime('now'))
+);
+
+CREATE TABLE IF NOT EXISTS feeds (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  folder_id INTEGER REFERENCES folders(id) ON DELETE SET NULL,
+  title TEXT NOT NULL,
+  url TEXT NOT NULL UNIQUE,
+  site_url TEXT,
+  favicon TEXT,
+  description TEXT,
+  last_fetched_at TEXT,
+  last_error TEXT,
+  fetch_interval_minutes INTEGER DEFAULT 30,
+  sort_order INTEGER DEFAULT 0,
+  created_at TEXT DEFAULT (datetime('now'))
+);
+
+CREATE TABLE IF NOT EXISTS articles (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  feed_id INTEGER NOT NULL REFERENCES feeds(id) ON DELETE CASCADE,
+  guid TEXT NOT NULL,
+  title TEXT,
+  link TEXT,
+  author TEXT,
+  content TEXT,
+  summary TEXT,
+  image_url TEXT,
+  published_at TEXT,
+  fetched_at TEXT DEFAULT (datetime('now')),
+  is_read INTEGER DEFAULT 0,
+  is_starred INTEGER DEFAULT 0,
+  UNIQUE(feed_id, guid)
+);
+
+CREATE INDEX IF NOT EXISTS idx_articles_feed ON articles(feed_id);
+CREATE INDEX IF NOT EXISTS idx_articles_published ON articles(published_at);
+CREATE INDEX IF NOT EXISTS idx_articles_read ON articles(is_read);
+CREATE INDEX IF NOT EXISTS idx_articles_starred ON articles(is_starred);
+
+CREATE TABLE IF NOT EXISTS settings (
+  key TEXT PRIMARY KEY,
+  value TEXT
+);
+`);
+
+module.exports = db;