feat: gestion RBAC granular, importacion sheets, filtrado de aulas virtuales y pisos, capacidad infinita y traduccion

app/models/classroom.py

@@ -6,6 +6,7 @@ class Classroom(db.Model):
     
     id = db.Column(db.Integer, primary_key=True)
     campus_id = db.Column(db.Integer, nullable=True)  # Maps to campus_id in DB
+    building_id = db.Column(db.Integer, db.ForeignKey('buildings.id'), nullable=True)
     building = db.Column(db.String(100), nullable=False)
     code = db.Column('room_number', db.String(50), nullable=False)  # Maps to room_number column in DB
     floor = db.Column(db.Integer, nullable=False)
@@ -40,6 +41,17 @@ class Classroom(db.Model):
     def code_display(self):
         return f"{self.building}-{self.code}"
     
+    @property
+    def capacity_display(self):
+        """Retorna '∞' para aulas virtuales o capacidad ilimitada, o el número entero."""
+        if self.capacity == 0 or (self.code and 'VIRTUAL' in self.code.upper()):
+            return '∞'
+        return str(self.capacity)
+
+    @property
+    def is_unlimited(self):
+        return self.capacity == 0 or (self.code and 'VIRTUAL' in self.code.upper())
+    
     def to_dict(self):
         """Convert classroom to dictionary"""
         return {