Funcionalidad para seleccionar atletas al crear rutina

.env

@@ -1 +1,2 @@
 MONGODB_URI=mongodb://127.0.0.1:27017/swimartdb
+MONGO_URI=mongodb://localhost:27017/swimartdb

public/js/coach.js

@@ -138,3 +138,30 @@ async function saveRoutine() {
     alert('❌ Error: ' + result.error);
   }
 }
+
+document.addEventListener('DOMContentLoaded', async () => {
+  const listaAtletas = document.getElementById('listaAtletas');
+
+  try {
+    const res = await fetch('/users/athletes');
+    const atletas = await res.json();
+
+    atletas.forEach(atleta => {
+      const div = document.createElement('div');
+      div.className = 'form-check';
+
+      div.innerHTML = `
+        <input class="form-check-input" type="checkbox" value="${atleta._id}" id="atleta-${atleta._id}">
+        <label class="form-check-label" for="atleta-${atleta._id}">
+          ${atleta.name}
+        </label>
+      `;
+
+      listaAtletas.appendChild(div);
+    });
+
+  } catch (err) {
+    console.error('Error al cargar atletas:', err);
+    listaAtletas.innerHTML = '<p class="text-danger">No se pudieron cargar los atletas.</p>';
+  }
+});

routes/users.js

@@ -0,0 +1,22 @@
+const express = require('express');
+const router = express.Router();
+const { MongoClient } = require('mongodb');
+const uri = process.env.MONGO_URI;
+const client = new MongoClient(uri);
+
+router.get('/athletes', async (req, res) => {
+  try {
+    await client.connect();
+    const db = client.db('swimartdb');
+    const athletes = await db.collection('users')
+      .find({ role: 'athlete' })
+      .project({ _id: 1, name: 1 })
+      .toArray();
+    res.json(athletes);
+  } catch (err) {
+    console.error('Error al obtener atletas:', err);
+    res.status(500).json({ error: 'Error interno del servidor' });
+  }
+});
+
+module.exports = router;

server.js

@@ -16,6 +16,10 @@ app.use(express.static(path.join(__dirname, 'public')));
 const authRoutes = require('./routes/auth');
 const routineRoutes = require('./routes/routines');
 
+// Deteccion rol atleta
+const userRoutes = require('./routes/users');
+app.use('/users', userRoutes);
+
 app.use('/auth', authRoutes);        // login, register
 app.use('/routines', routineRoutes); // rutinas