feat: total services amount and recalculating

models/secondary.py

@@ -1,5 +1,5 @@
 from sqlalchemy import Table, Column, Integer, ForeignKey, ForeignKeyConstraint, UniqueConstraint
-from sqlalchemy.orm import relationship
+from sqlalchemy.orm import relationship, mapped_column, Mapped
 
 from models.base import BaseModel
 
@@ -41,6 +41,7 @@ class DealService(BaseModel):
 
     quantity = Column(Integer, nullable=False, comment='Кол-во услуги')
     price = Column(Integer, nullable=False, server_default='0', comment='Цена услуги')
+    is_fixed_price: Mapped[bool] = mapped_column(default=False, server_default='0', comment='Фиксированная цена')
 
     employees = relationship('User', secondary=deal_service_employees)
 
@@ -59,6 +60,8 @@ class DealProductService(BaseModel):
 
     price = Column(Integer, nullable=False, comment='Цена услуги')
 
+    is_fixed_price: Mapped[bool] = mapped_column(default=False, server_default='0', comment='Фиксированная цена')
+
     deal_product = relationship('DealProduct',
                                 back_populates='services',
                                 primaryjoin="and_(DealProductService.deal_id == DealProduct.deal_id, "
@@ -114,4 +117,3 @@ barcode_template_attribute_link = Table(
     Column('barcode_template_id', ForeignKey('barcode_templates.id')),
     Column('attribute_id', ForeignKey('barcode_template_attributes.id'))
 )
-