alembic/versions/2025_12_03_1142-3147e421bc47_removed_hashed_customer_completly.py

@@ -0,0 +1,63 @@
+"""removed hashed_customer completly
+
+Revision ID: 3147e421bc47
+Revises: 0fbeb40dbb2c
+Create Date: 2025-12-03 11:42:05.722690
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision: str = '3147e421bc47'
+down_revision: Union[str, Sequence[str], None] = '0fbeb40dbb2c'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    
+    op.drop_index(op.f('ix_conversion_guests_hashed_customer_id'), table_name='conversion_guests')
+    op.drop_constraint(op.f('fk_conversion_guests_hashed_customer_id_hashed_customers'), 'conversion_guests', type_='foreignkey')
+    op.drop_column('conversion_guests', 'hashed_customer_id')
+    op.drop_index(op.f('ix_conversions_hashed_customer_id'), table_name='conversions')
+    op.drop_constraint(op.f('conversions_hashed_customer_id_fkey'), 'conversions', type_='foreignkey')
+    op.drop_column('conversions', 'hashed_customer_id')
+    op.drop_table('hashed_customers')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('conversions', sa.Column('hashed_customer_id', sa.INTEGER(), autoincrement=False, nullable=True))
+    op.create_foreign_key(op.f('conversions_hashed_customer_id_fkey'), 'conversions', 'hashed_customers', ['hashed_customer_id'], ['id'])
+    op.create_index(op.f('ix_conversions_hashed_customer_id'), 'conversions', ['hashed_customer_id'], unique=False)
+    op.add_column('conversion_guests', sa.Column('hashed_customer_id', sa.INTEGER(), autoincrement=False, nullable=True))
+    op.create_foreign_key(op.f('fk_conversion_guests_hashed_customer_id_hashed_customers'), 'conversion_guests', 'hashed_customers', ['hashed_customer_id'], ['id'])
+    op.create_index(op.f('ix_conversion_guests_hashed_customer_id'), 'conversion_guests', ['hashed_customer_id'], unique=False)
+    op.create_table('hashed_customers',
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('customer_id', sa.INTEGER(), autoincrement=False, nullable=True),
+    sa.Column('contact_id', sa.VARCHAR(), autoincrement=False, nullable=True),
+    sa.Column('hashed_email', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('hashed_phone', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('hashed_given_name', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('hashed_surname', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('hashed_city', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('hashed_postal_code', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('hashed_country_code', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('hashed_gender', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('hashed_birth_date', sa.VARCHAR(length=64), autoincrement=False, nullable=True),
+    sa.Column('created_at', postgresql.TIMESTAMP(timezone=True), autoincrement=False, nullable=True),
+    sa.ForeignKeyConstraint(['customer_id'], ['customers.id'], name=op.f('hashed_customers_customer_id_fkey'), ondelete='SET NULL'),
+    sa.PrimaryKeyConstraint('id', name=op.f('hashed_customers_pkey')),
+    sa.UniqueConstraint('contact_id', name=op.f('uq_hashed_customers_contact_id'), postgresql_include=[], postgresql_nulls_not_distinct=False),
+    sa.UniqueConstraint('customer_id', name=op.f('uq_hashed_customers_customer_id'), postgresql_include=[], postgresql_nulls_not_distinct=False)
+    )
+    # ### end Alembic commands ###

src/alpine_bits_python/conversion_service.py

@@ -629,10 +629,8 @@ class ConversionService:
             from sqlalchemy.orm import selectinload
 
             query = select(Reservation).options(
-                selectinload(Reservation.customer).selectinload(
+                selectinload(Reservation.customer),
-                    Customer.hashed_version
+                
-                ),
-                selectinload(Reservation.hashed_customer),
             )
             result = await session.execute(query)
             reservations = result.scalars().all()
@@ -645,13 +643,11 @@ class ConversionService:
                 if hotel_code not in self._reservation_cache:
                     self._reservation_cache[hotel_code] = []
                 # Cache the hashed customer - prefer direct relationship, fall back to customer relationship
-                hashed_customer = None
+                customer = None
-                if reservation.hashed_customer:
+                if reservation.customer:
-                    hashed_customer = reservation.hashed_customer
+                    customer = reservation.customer
-                elif reservation.customer and reservation.customer.hashed_version:
-                    hashed_customer = reservation.customer.hashed_version
                 self._reservation_cache[hotel_code].append(
-                    (reservation, hashed_customer)
+                    (reservation, customer)
                 )
 
             self._cache_initialized = True
@@ -1431,7 +1427,6 @@ class ConversionService:
 
                     conversion.reservation_id = matched_reservation.id
                     conversion.customer_id = matched_hashed_customer.id
-                    conversion.hashed_customer_id = matched_hashed_customer.id
                     conversion.directly_attributable = True
                     conversion.guest_matched = True
                     conversion.updated_at = datetime.now()
@@ -1447,7 +1442,6 @@ class ConversionService:
                 elif matched_hashed_customer and conversion.customer_id is None:
                     # Only count new customer matches (conversions that didn't have a customer before)
                     conversion.customer_id = matched_hashed_customer.id
-                    conversion.hashed_customer_id = matched_hashed_customer.id
                     conversion.directly_attributable = False
                     conversion.guest_matched = True
                     conversion.updated_at = datetime.now()
@@ -1742,8 +1736,6 @@ class ConversionService:
 
             if matched_reservation:
                 matched_customer = matched_reservation.customer
-                if matched_customer and matched_customer.hashed_version:
-                    matched_hashed_customer = matched_customer.hashed_version
 
                 _LOGGER.info(
                     "Phase 3a: Matched conversion by advertising ID (pms_id=%s, reservation_id=%d)",
@@ -1752,14 +1744,12 @@ class ConversionService:
                 )
 
         # Update the conversion with matched entities if found
-        if matched_reservation or matched_customer or matched_hashed_customer:
+        if matched_reservation or matched_customer:
             conversion.reservation_id = (
                 matched_reservation.id if matched_reservation else None
             )
             conversion.customer_id = matched_customer.id if matched_customer else None
-            conversion.hashed_customer_id = (
+
-                matched_hashed_customer.id if matched_hashed_customer else None
-            )
 
             # ID-based matches are always directly attributable
             conversion.directly_attributable = True

src/alpine_bits_python/customer_service.py

@@ -6,7 +6,7 @@ from pydantic import ValidationError
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from .db import Customer, HashedCustomer
+from .db import Customer
 from .logging_config import get_logger
 from .schemas import CustomerData
 

src/alpine_bits_python/db.py

@@ -362,36 +362,6 @@ class Customer(Base):
         self.hashed_birth_date = self._normalize_and_hash(self.birth_date)
 
 
-class HashedCustomer(Base):
-    """Hashed customer data for Meta Conversion API.
-
-    Stores SHA256 hashed versions of customer PII according to Meta's requirements.
-    This allows sending conversion events without exposing raw customer data.
-    """
-
-    __tablename__ = "hashed_customers"
-    id = Column(Integer, primary_key=True)
-    customer_id = Column(
-        Integer,
-        ForeignKey("customers.id", ondelete="SET NULL"),
-        unique=True,
-        nullable=True,
-    )
-    contact_id = Column(String, unique=True)  # Keep unhashed for reference
-    hashed_email = Column(String(64))  # SHA256 produces 64 hex chars
-    hashed_phone = Column(String(64))
-    hashed_given_name = Column(String(64))
-    hashed_surname = Column(String(64))
-    hashed_city = Column(String(64))
-    hashed_postal_code = Column(String(64))
-    hashed_country_code = Column(String(64))
-    hashed_gender = Column(String(64))
-    hashed_birth_date = Column(String(64))
-    created_at = Column(DateTime(timezone=True))
-
-    customer = relationship(
-        "Customer", backref=backref("hashed_version", uselist=False, lazy="joined")
-    )
 
 
 class ConversionGuest(Base):
@@ -430,10 +400,7 @@ class ConversionGuest(Base):
     hashed_country_code = Column(String(64))
     hashed_birth_date = Column(String(64))
 
-    # Matched customer reference (nullable, filled after matching)
+
-    hashed_customer_id = Column(
-        Integer, ForeignKey("hashed_customers.id"), nullable=True, index=True
-    )
 
     # Guest classification
     is_regular = Column(
@@ -452,7 +419,6 @@ class ConversionGuest(Base):
         primaryjoin="and_(ConversionGuest.hotel_id == foreign(Conversion.hotel_id), "
                     "ConversionGuest.guest_id == foreign(Conversion.guest_id))",
     )
-    hashed_customer = relationship("HashedCustomer", backref="conversion_guests")
 
     @staticmethod
     def _normalize_and_hash(value):
@@ -613,9 +579,6 @@ class Conversion(Base):
         Integer, ForeignKey("reservations.id"), nullable=True, index=True
     )
     customer_id = Column(Integer, ForeignKey("customers.id"), nullable=True, index=True)
-    hashed_customer_id = Column(
-        Integer, ForeignKey("hashed_customers.id"), nullable=True, index=True
-    )
 
     # Reservation metadata from XML
     hotel_id = Column(
@@ -670,7 +633,6 @@ class Conversion(Base):
     # Relationships
     reservation = relationship("Reservation", backref="conversions")
     customer = relationship("Customer", backref="conversions")
-    hashed_customer = relationship("HashedCustomer", backref="conversions")
     guest = relationship(
         "ConversionGuest",
         back_populates="conversions",

src/alpine_bits_python/reservation_service.py

@@ -7,7 +7,7 @@ from typing import Optional
 from sqlalchemy import and_, select
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from .db import AckedRequest, Customer, HashedCustomer, Reservation
+from .db import AckedRequest, Customer, Reservation
 from .schemas import ReservationData
 
 
@@ -64,17 +64,6 @@ class ReservationService:
             reservation_data, customer_id
         )
 
-        # Automatically populate hashed_customer_id from the customer
-        # Since hashed_customer is always created when a customer is created,
-        # we can get it by querying for the hashed_customer with matching customer_id
-        hashed_customer_result = await self.session.execute(
-            select(HashedCustomer).where(
-                HashedCustomer.customer_id == customer_id
-            )
-        )
-        hashed_customer = hashed_customer_result.scalar_one_or_none()
-        if hashed_customer:
-            reservation.hashed_customer_id = hashed_customer.id
 
         self.session.add(reservation)
 

src/alpine_bits_python/util/migrate_sqlite_to_postgres.py

@@ -51,7 +51,6 @@ from alpine_bits_python.db import (
     AckedRequest,
     Base,
     Customer,
-    HashedCustomer,
     Reservation,
     get_database_url,
 )

src/alpine_bits_python/webhook_processor.py

@@ -203,7 +203,7 @@ async def process_wix_form_submission(
         "name_title": None,
     }
 
-    # This automatically creates/updates both Customer and HashedCustomer
+    # This automatically creates/updates Customer
     db_customer = await customer_service.get_or_create_customer(customer_data)
 
     # Determine hotel_code and hotel_name