Add GolfMatch web app for finding local golf partners

src/golf-app/.gitignore

@@ -0,0 +1,4 @@
+node_modules/
+golf_players.db
+*.db-shm
+*.db-wal

src/golf-app/database.js

@@ -0,0 +1,181 @@
+const initSqlJs = require('sql.js');
+const bcrypt = require('bcryptjs');
+const path = require('path');
+const fs = require('fs');
+
+const DB_PATH = path.join(__dirname, 'golf_players.db');
+
+function saveDb(db) {
+  const data = db.export();
+  fs.writeFileSync(DB_PATH, Buffer.from(data));
+}
+
+function dbRun(db, sql, params) {
+  db.run(sql, params || []);
+  const rowid = db.exec('SELECT last_insert_rowid()')[0]?.values[0]?.[0] || 0;
+  return { lastInsertRowid: Number(rowid), changes: db.getRowsModified() };
+}
+
+function dbGet(db, sql, params) {
+  const stmt = db.prepare(sql);
+  if (params && params.length) stmt.bind(params);
+  let row = null;
+  if (stmt.step()) row = stmt.getAsObject();
+  stmt.free();
+  return row;
+}
+
+function dbAll(db, sql, params) {
+  const stmt = db.prepare(sql);
+  if (params && params.length) stmt.bind(params);
+  const rows = [];
+  while (stmt.step()) rows.push(stmt.getAsObject());
+  stmt.free();
+  return rows;
+}
+
+async function createDatabase() {
+  const SQL = await initSqlJs();
+  let db;
+
+  if (fs.existsSync(DB_PATH)) {
+    db = new SQL.Database(fs.readFileSync(DB_PATH));
+  } else {
+    db = new SQL.Database();
+  }
+
+  db.run(`CREATE TABLE IF NOT EXISTS users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    email TEXT UNIQUE NOT NULL,
+    password_hash TEXT NOT NULL,
+    name TEXT NOT NULL,
+    handicap REAL DEFAULT 0,
+    city TEXT DEFAULT '',
+    state TEXT DEFAULT '',
+    zip_code TEXT DEFAULT '',
+    bio TEXT DEFAULT '',
+    playing_frequency TEXT DEFAULT 'weekly',
+    skill_level TEXT DEFAULT 'intermediate',
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+  )`);
+
+  db.run(`CREATE TABLE IF NOT EXISTS preferred_courses (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER NOT NULL,
+    course_name TEXT NOT NULL,
+    city TEXT DEFAULT '',
+    UNIQUE(user_id, course_name)
+  )`);
+
+  db.run(`CREATE TABLE IF NOT EXISTS connections (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    requester_id INTEGER NOT NULL,
+    receiver_id INTEGER NOT NULL,
+    status TEXT DEFAULT 'pending',
+    message TEXT DEFAULT '',
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(requester_id, receiver_id)
+  )`);
+
+  saveDb(db);
+  return db;
+}
+
+function seedDatabase(db) {
+  const row = dbGet(db, 'SELECT COUNT(*) as count FROM users', []);
+  if (row && row.count > 0) return;
+
+  const hash = bcrypt.hashSync('password123', 10);
+
+  const players = [
+    {
+      name: 'James Mitchell', email: 'james@example.com', handicap: 8.4,
+      city: 'Austin', state: 'TX', playing_frequency: 'weekly', skill_level: 'intermediate',
+      bio: 'Weekend golfer looking for friendly rounds. Love early morning tee times!',
+      courses: ['Barton Creek Country Club', 'Lions Municipal Golf Course']
+    },
+    {
+      name: 'Sarah Chen', email: 'sarah@example.com', handicap: 12.1,
+      city: 'Austin', state: 'TX', playing_frequency: 'multiple_weekly', skill_level: 'intermediate',
+      bio: 'Former college athlete now hooked on golf. Always up for 18 holes!',
+      courses: ['Austin Country Club', 'Avery Ranch Golf Club']
+    },
+    {
+      name: 'Mike Rodriguez', email: 'mike@example.com', handicap: 3.2,
+      city: 'Austin', state: 'TX', playing_frequency: 'daily', skill_level: 'advanced',
+      bio: 'Scratch golfer seeking competitive rounds. Happy to share tips too.',
+      courses: ['Barton Creek Country Club', 'The University of Texas Golf Club']
+    },
+    {
+      name: 'Emma Thompson', email: 'emma@example.com', handicap: 18.7,
+      city: 'Round Rock', state: 'TX', playing_frequency: 'weekly', skill_level: 'beginner',
+      bio: 'New to the game but loving every minute. Patient partners welcome!',
+      courses: ['Forest Creek Golf Club', 'Avery Ranch Golf Club']
+    },
+    {
+      name: 'David Park', email: 'david@example.com', handicap: 15.3,
+      city: 'Cedar Park', state: 'TX', playing_frequency: 'biweekly', skill_level: 'intermediate',
+      bio: 'Golf is my therapy. Looking for laid-back rounds with good company.',
+      courses: ['Crystal Falls Golf Course', 'Avery Ranch Golf Club']
+    },
+    {
+      name: 'Lisa Anderson', email: 'lisa@example.com', handicap: 22.5,
+      city: 'Austin', state: 'TX', playing_frequency: 'biweekly', skill_level: 'beginner',
+      bio: "Social golfer who loves the 19th hole as much as the 18! Let's have fun.",
+      courses: ['Lions Municipal Golf Course', 'Morris Williams Golf Course']
+    },
+    {
+      name: 'Tom Wilson', email: 'tom@example.com', handicap: 6.8,
+      city: 'Georgetown', state: 'TX', playing_frequency: 'multiple_weekly', skill_level: 'advanced',
+      bio: 'Competitive player, former club champion. Looking for stroke play and match play.',
+      courses: ['Berry Creek Country Club', 'Cimarron Hills Golf & Country Club']
+    },
+    {
+      name: 'Rachel Green', email: 'rachel@example.com', handicap: 14.2,
+      city: 'Austin', state: 'TX', playing_frequency: 'weekly', skill_level: 'intermediate',
+      bio: 'Work hard, golf harder. Early bird golfer — 7am tee times preferred.',
+      courses: ['Barton Creek Country Club', 'Falconhead Golf Club']
+    },
+    {
+      name: 'Chris Johnson', email: 'chris@example.com', handicap: 9.5,
+      city: 'Pflugerville', state: 'TX', playing_frequency: 'multiple_weekly', skill_level: 'intermediate',
+      bio: 'Scratch golfer in training! Love working on my game and meeting new people.',
+      courses: ['Blackhawk Golf Club', 'Forest Creek Golf Club']
+    },
+    {
+      name: 'Amanda Foster', email: 'amanda@example.com', handicap: 19.8,
+      city: 'Austin', state: 'TX', playing_frequency: 'weekly', skill_level: 'beginner',
+      bio: 'Golf newbie with enthusiasm! Looking for patient partners to learn alongside.',
+      courses: ['Morris Williams Golf Course', 'Lions Municipal Golf Course']
+    },
+    {
+      name: 'Ryan Burke', email: 'ryan@example.com', handicap: 1.4,
+      city: 'Austin', state: 'TX', playing_frequency: 'daily', skill_level: 'expert',
+      bio: 'Near scratch golfer. Play competitively in local tournaments.',
+      courses: ['Austin Country Club', 'Barton Creek Country Club', 'The University of Texas Golf Club']
+    },
+    {
+      name: 'Nicole Davis', email: 'nicole@example.com', handicap: 11.0,
+      city: 'Buda', state: 'TX', playing_frequency: 'weekly', skill_level: 'intermediate',
+      bio: 'Golf is life! Love playing in all weather. Weekend warrior looking for regular partners.',
+      courses: ['Plum Creek Golf Course', 'Falconhead Golf Club']
+    },
+  ];
+
+  for (const p of players) {
+    const result = dbRun(db,
+      `INSERT INTO users (email, password_hash, name, handicap, city, state, bio, playing_frequency, skill_level)
+       VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
+      [p.email, hash, p.name, p.handicap, p.city, p.state, p.bio, p.playing_frequency, p.skill_level]
+    );
+    for (const course of p.courses) {
+      dbRun(db, `INSERT OR IGNORE INTO preferred_courses (user_id, course_name, city) VALUES (?, ?, ?)`,
+        [result.lastInsertRowid, course, p.city]);
+    }
+  }
+
+  saveDb(db);
+  console.log(`  Seeded ${players.length} sample players (login: any@example.com / password123)`);
+}
+
+module.exports = { createDatabase, seedDatabase, dbRun, dbGet, dbAll, saveDb };