updates

Backend/src/models/rate_plan.py

@@ -0,0 +1,107 @@
+from sqlalchemy import Column, Integer, String, Numeric, Boolean, Text, JSON, Enum, ForeignKey, DateTime, Date
+from sqlalchemy.orm import relationship
+from datetime import datetime, date
+import enum
+from ..config.database import Base
+
+class RatePlanType(str, enum.Enum):
+    BAR = 'BAR'  # Best Available Rate
+    non_refundable = 'non_refundable'
+    advance_purchase = 'advance_purchase'
+    corporate = 'corporate'
+    government = 'government'
+    military = 'military'
+    long_stay = 'long_stay'
+    package = 'package'
+
+class RatePlanStatus(str, enum.Enum):
+    active = 'active'
+    inactive = 'inactive'
+    scheduled = 'scheduled'
+    expired = 'expired'
+
+class RatePlan(Base):
+    __tablename__ = 'rate_plans'
+    
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    name = Column(String(100), nullable=False, index=True)
+    code = Column(String(50), unique=True, nullable=False, index=True)
+    description = Column(Text, nullable=True)
+    plan_type = Column(Enum(RatePlanType), nullable=False, default=RatePlanType.BAR)
+    status = Column(Enum(RatePlanStatus), nullable=False, default=RatePlanStatus.active)
+    
+    # Pricing
+    base_price_modifier = Column(Numeric(5, 2), nullable=False, default=1.0)  # Multiplier (1.0 = 100%, 0.9 = 90%)
+    discount_percentage = Column(Numeric(5, 2), nullable=True, default=0)  # Percentage discount
+    fixed_discount = Column(Numeric(10, 2), nullable=True, default=0)  # Fixed amount discount
+    
+    # Applicability
+    room_type_id = Column(Integer, ForeignKey('room_types.id'), nullable=True)  # None = all room types
+    min_nights = Column(Integer, nullable=True)  # Minimum nights required
+    max_nights = Column(Integer, nullable=True)  # Maximum nights allowed
+    advance_days_required = Column(Integer, nullable=True)  # Days in advance required for booking
+    
+    # Date range
+    valid_from = Column(Date, nullable=True)
+    valid_to = Column(Date, nullable=True)
+    
+    # Restrictions
+    is_refundable = Column(Boolean, nullable=False, default=True)
+    requires_deposit = Column(Boolean, nullable=False, default=False)
+    deposit_percentage = Column(Numeric(5, 2), nullable=True, default=0)
+    cancellation_hours = Column(Integer, nullable=True)  # Hours before check-in for free cancellation
+    
+    # Corporate/Government specific
+    corporate_code = Column(String(50), nullable=True, index=True)
+    requires_verification = Column(Boolean, nullable=False, default=False)
+    verification_type = Column(String(50), nullable=True)  # 'corporate_id', 'government_id', 'military_id'
+    
+    # Long-stay specific
+    long_stay_nights = Column(Integer, nullable=True)  # Nights required for long-stay discount
+    
+    # Package specific
+    is_package = Column(Boolean, nullable=False, default=False)
+    package_id = Column(Integer, ForeignKey('packages.id'), nullable=True)
+    
+    # Priority (lower number = higher priority)
+    priority = Column(Integer, nullable=False, default=100)
+    
+    # Additional data (metadata is reserved by SQLAlchemy)
+    extra_data = Column(JSON, nullable=True)  # Additional flexible data
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+    
+    # Relationships
+    room_type = relationship('RoomType', back_populates='rate_plans')
+    package = relationship('Package', back_populates='rate_plans')
+    rules = relationship('RatePlanRule', back_populates='rate_plan', cascade='all, delete-orphan')
+    bookings = relationship('Booking', back_populates='rate_plan')
+
+class RatePlanRule(Base):
+    __tablename__ = 'rate_plan_rules'
+    
+    id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    rate_plan_id = Column(Integer, ForeignKey('rate_plans.id'), nullable=False, index=True)
+    
+    # Rule type
+    rule_type = Column(String(50), nullable=False)  # 'day_of_week', 'season', 'occupancy', 'date_range', etc.
+    rule_key = Column(String(100), nullable=False)  # e.g., 'monday', 'summer', '2_guests', '2024-12-01_to_2024-12-31'
+    rule_value = Column(JSON, nullable=True)  # Flexible value storage
+    
+    # Price adjustment
+    price_modifier = Column(Numeric(5, 2), nullable=True, default=1.0)
+    discount_percentage = Column(Numeric(5, 2), nullable=True, default=0)
+    fixed_adjustment = Column(Numeric(10, 2), nullable=True, default=0)
+    
+    # Priority within the rate plan
+    priority = Column(Integer, nullable=False, default=100)
+    
+    # Additional data
+    extra_data = Column(JSON, nullable=True)
+    
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
+    
+    # Relationships
+    rate_plan = relationship('RatePlan', back_populates='rules')
+