feat: initial release of interactive electrical circuit & panel mapper

models/db.js

@@ -0,0 +1,100 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const Database = require('better-sqlite3');
+const conf = require('../conf/base');
+
+// Ensure data directory exists
+const dbDir = path.dirname(conf.dbPath);
+if (!fs.existsSync(dbDir)) {
+  fs.mkdirSync(dbDir, { recursive: true });
+}
+
+const db = new Database(conf.dbPath);
+db.pragma('journal_mode = WAL');
+db.pragma('foreign_keys = ON');
+
+// Initialize schema
+db.exec(`
+  CREATE TABLE IF NOT EXISTS panels (
+    id TEXT PRIMARY KEY,
+    name TEXT NOT NULL,
+    location TEXT,
+    model TEXT,
+    bus_rating TEXT,
+    notes TEXT
+  );
+
+  CREATE TABLE IF NOT EXISTS breakers (
+    id TEXT PRIMARY KEY,
+    panel_id TEXT NOT NULL,
+    slot INTEGER NOT NULL,
+    sub_slot TEXT,
+    label TEXT NOT NULL,
+    description TEXT,
+    amps INTEGER DEFAULT 20,
+    poles INTEGER DEFAULT 1,
+    voltage INTEGER DEFAULT 120,
+    color TEXT NOT NULL,
+    notes TEXT,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY(panel_id) REFERENCES panels(id)
+  );
+
+  CREATE TABLE IF NOT EXISTS rooms (
+    id TEXT PRIMARY KEY,
+    name TEXT NOT NULL,
+    zone TEXT NOT NULL,
+    x REAL,
+    y REAL,
+    w REAL,
+    h REAL
+  );
+
+  CREATE TABLE IF NOT EXISTS devices (
+    id TEXT PRIMARY KEY,
+    drawio_id TEXT NOT NULL,
+    type TEXT NOT NULL,
+    orig_x REAL NOT NULL,
+    orig_y REAL NOT NULL,
+    orig_w REAL NOT NULL,
+    orig_h REAL NOT NULL,
+    cx REAL NOT NULL,
+    cy REAL NOT NULL,
+    room TEXT,
+    zone TEXT,
+    breaker_id TEXT,
+    label TEXT,
+    notes TEXT,
+    color TEXT,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY(breaker_id) REFERENCES breakers(id) ON DELETE SET NULL
+  );
+
+  CREATE TABLE IF NOT EXISTS structures (
+    id TEXT PRIMARY KEY,
+    drawio_id TEXT NOT NULL,
+    type TEXT NOT NULL,
+    x REAL NOT NULL,
+    y REAL NOT NULL,
+    w REAL NOT NULL,
+    h REAL NOT NULL,
+    label TEXT,
+    style TEXT
+  );
+
+  CREATE TABLE IF NOT EXISTS edges (
+    id TEXT PRIMARY KEY,
+    drawio_id TEXT NOT NULL,
+    source TEXT,
+    target TEXT,
+    style TEXT
+  );
+
+  CREATE INDEX IF NOT EXISTS idx_devices_breaker ON devices(breaker_id);
+  CREATE INDEX IF NOT EXISTS idx_devices_room ON devices(room);
+  CREATE INDEX IF NOT EXISTS idx_breakers_panel ON breakers(panel_id);
+`);
+
+module.exports = db;