Fix military aircraft classification regex to reduce false positives (issue-1)

server/src/adsb.mjs

@@ -111,21 +111,21 @@ export async function initAircraftDb() {
 	db = new Database(DB_PATH);
 	db.exec(`
         CREATE TABLE IF NOT EXISTS aircraft (
-	        icao          TEXT PRIMARY KEY,
-	        built           TEXT,
-	        categoryDescription TEXT,
-	        country         TEXT,
-	        engines         TEXT,
-	        class           TEXT,
-	        manufacturer    TEXT,
-	        model           TEXT,
-	        modes           TEXT,
-	        operator        TEXT,
-	        operatorCallsign TEXT,
-	        owner           TEXT,
-	        registration    TEXT,
-	        serialNumber    TEXT,
-	        aircraft        TEXT
+		icao          TEXT PRIMARY KEY,
+		built           TEXT,
+		categoryDescription TEXT,
+		country         TEXT,
+		engines         TEXT,
+		class           TEXT,
+		manufacturer    TEXT,
+		model           TEXT,
+		modes           TEXT,
+		operator        TEXT,
+		operatorCallsign TEXT,
+		owner           TEXT,
+		registration    TEXT,
+		serialNumber    TEXT,
+		aircraft        TEXT
         );
 
         CREATE TABLE IF NOT EXISTS military_ranges (start TEXT NOT NULL, end TEXT NOT NULL);
@@ -220,7 +220,7 @@ async function syncMilitaryIcao() {
 	try {
 		const page = await fetch(ADSB_URL + ':8080').then(resp => resp.text());
 		const db = /databaseFolder = "(db-.+?)"/.exec(page);
-		const res = await fetch(ADSB_URL + `:8080/${db[1]}/ranges.js`);
+		const res = await fetch(ADSB_URL + `${db[1]}/ranges.js`);
 		if (!res.ok) throw new Error(`HTTP ${res.status}`);
 		const { military } = await res.json();
 		db.exec('DELETE FROM military_ranges');
@@ -243,7 +243,10 @@ export function classifyAircraft(row) {
 
 	const matchesAny = (fields, list) => fields.some(f => {
 		const value = normalizeName(f);
-		return value && list.some(k => value.includes(normalizeName(k)));
+		return value && list.some(k => {
+			const kw = normalizeName(k);
+			return kw && new RegExp('\\b' + kw.replace(/[.*+?^${}()|[\\]\\]/g, '\\$&') + '\\b', 'i').test(value);
+		});
 	});
 
 	const operators = [row.operator, row.operatorCallsign, row.owner];
@@ -503,4 +506,4 @@ setInterval(() => {
 		const last = trail.at(-1);
 		if (!last || last.ts < cutoff) history.delete(key);
 	}
-}, 1000 * 60 * 5);
+}, 1000 * 60 * 5);