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

app/models/reservation.py

@@ -1,6 +1,30 @@
 from app import db
 from datetime import datetime, timedelta
 from enum import Enum
+from sqlalchemy.types import TypeDecorator, String
+
+class StatusString(str):
+    """String wrapper providing .value property for backward compatibility with Enum usage"""
+    @property
+    def value(self):
+        return str(self)
+        
+    def __eq__(self, other):
+        if hasattr(other, 'value'):
+            return str(self) == str(other.value)
+        return str(self) == str(other)
+
+class StatusType(TypeDecorator):
+    impl = String(20)
+    cache_ok = True
+    
+    def process_result_value(self, value, dialect):
+        return StatusString(value) if value is not None else None
+        
+    def process_bind_param(self, value, dialect):
+        if hasattr(value, 'value'):
+            return str(value.value)
+        return str(value) if value is not None else None
 
 class ReservationStatus(Enum):
     PENDING = 'PENDING'
@@ -20,8 +44,9 @@ class Reservation(db.Model):
     start_time = db.Column(db.DateTime, nullable=False)
     end_time = db.Column(db.DateTime, nullable=False)
     purpose = db.Column(db.String(500), nullable=False)
-    status = db.Column(db.String(20), default='PENDING', nullable=False)  # DB uses VARCHAR not ENUM
+    status = db.Column(StatusType, default='PENDING', nullable=False)  # Maps to VARCHAR(20) with StatusString
     expected_attendees = db.Column(db.Integer, nullable=False)
+    shift = db.Column(db.String(30), nullable=True)  # Mañana, Tarde, Vespertino, Noche
     notes = db.Column(db.Text)
     
     created_at = db.Column(db.DateTime, default=datetime.utcnow)
@@ -32,9 +57,30 @@ class Reservation(db.Model):
     def status_enum(self):
         """Get status as enum"""
         try:
-            return ReservationStatus(self.status)
+            return ReservationStatus(str(self.status))
         except (ValueError, AttributeError):
             return ReservationStatus.PENDING
+            
+    @property
+    def subject_code(self):
+        """Get exact subject code (e.g. INGA0003, ASIG00165)"""
+        if self.commission and self.commission.subject:
+            return self.commission.subject.code
+        return ''
+        
+    @property
+    def subject_name(self):
+        """Get subject name"""
+        if self.commission and self.commission.subject:
+            return self.commission.subject.name
+        return self.purpose or ''
+        
+    @property
+    def classroom_name(self):
+        """Get classroom code or name"""
+        if self.classroom:
+            return self.classroom.code
+        return ''
     
 # Relationships
     classroom = db.relationship('Classroom', backref=db.backref('reservation_list', lazy=True, cascade='all, delete-orphan'))