feat: refactorizar espacios fisicos desacoplando Edificio, Piso y Aula con selectores en cascada y filtros

app/models/classroom.py

@@ -9,23 +9,57 @@ class Classroom(db.Model):
     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)
+    floor = db.Column(db.String(50), nullable=False, default='1')
     capacity = db.Column(db.Integer, nullable=False)
     description = db.Column(db.Text)
     is_active = db.Column('active', db.Boolean, default=True, nullable=False)  # Maps to active column in DB
     created_at = db.Column(db.DateTime, default=datetime.utcnow)
     updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+
+    # Relación con Building (mapeada vía backref 'building_entity' en Building.classrooms)
+    @property
+    def building_rel(self):
+        return self.building_entity
+
+    @property
+    def building_name(self):
+        """Nombre del edificio desacoplado"""
+        if self.building_rel:
+            return self.building_rel.name
+        return self.building or 'Edificio Central'
+
+    @property
+    def floor_display(self):
+        """Formato amigable para el piso: PB, Planta Baja, Piso X"""
+        f = str(self.floor).strip() if self.floor is not None else ''
+        if f in ['0', 'PB', 'pb', 'Planta Baja', 'planta baja']:
+            return 'Planta Baja'
+        if f.lower().startswith('piso') or '°' in f:
+            return f
+        return f"Piso {f}"
+
+    @property
+    def is_virtual(self):
+        """Indica si el aula es virtual"""
+        return (self.code and 'VIRTUAL' in self.code.upper()) or (self.building and 'VIRTUAL' in self.building.upper())
+
+    @property
+    def location_display(self):
+        """Ubicación completa y limpia: Edificio · Piso · Aula"""
+        if self.is_virtual:
+            return '🌐 Campus Virtual'
+        return f"{self.building_name} · {self.floor_display} · {self.code}"
     
     # Virtual properties for compatibility
     @property
     def name(self):
         """Generate name from building and code"""
-        return f"{self.building}-{self.code}"
+        return f"{self.building_name}-{self.code}"
     
     @property
     def campus_location(self):
-        """Placeholder for campus location - can be expanded when campus model is implemented"""
-        return None
+        """Placeholder for campus location"""
+        return self.building_rel.address if self.building_rel else None
     
     # Virtual field for compatibility - combines building and code
     @property
@@ -39,28 +73,34 @@ class Classroom(db.Model):
     # Override code property for consistency
     @property
     def code_display(self):
-        return f"{self.building}-{self.code}"
+        return f"{self.building_name} - {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()):
+        if self.capacity == 0 or self.is_virtual:
             return '∞'
         return str(self.capacity)
 
     @property
     def is_unlimited(self):
-        return self.capacity == 0 or (self.code and 'VIRTUAL' in self.code.upper())
+        return self.capacity == 0 or self.is_virtual
     
     def to_dict(self):
         """Convert classroom to dictionary"""
         return {
             'id': self.id,
-            'code': self.code_display,
-            'building': self.building,
+            'building_id': self.building_id,
+            'building': self.building_name,
+            'code': self.code,
+            'code_display': self.code_display,
             'name': self.name,
             'floor': self.floor,
+            'floor_display': self.floor_display,
+            'location_display': self.location_display,
             'capacity': self.capacity,
+            'capacity_display': self.capacity_display,
+            'is_virtual': self.is_virtual,
             'description': self.description,
             'campus_location': self.campus_location,
             'is_active': self.is_active,
@@ -71,10 +111,9 @@ class Classroom(db.Model):
     
     def get_full_location(self):
         """Get full classroom location"""
-        location = f"{self.building} - Floor {self.floor}"
-        if self.campus_location:
-            location += f" ({self.campus_location})"
-        return location
+        if self.is_virtual:
+            return 'Campus Virtual (Remoto)'
+        return f"{self.building_name} - {self.floor_display}"
     
     @staticmethod
     def find_best_classroom(max_students, start_time, end_time, exclude_reservation_id=None):