feat: Implement general catalogs for ports, unit conversions, and units of measure

- Added models, DTOs, services, and routes for ports, including CRUD operations.
- Introduced unit conversions with corresponding models, DTOs, services, and routes.
- Developed units of measure with detailed models, DTOs, services, and routes for various types.
- Ensured all new features are integrated with FastAPI and SQLAlchemy for seamless database interactions.

backend/api/v1/modules/a76/customs_brokers/models.py

@@ -1,19 +1,13 @@
-from api.v1.common.base_models import TenantScopedMixin
+from api.v1.common.base_models import TenantScopedMixin, TimestampMixin
 from core.database import Base
 from sqlalchemy import Column, ForeignKey, ForeignKeyConstraint, Integer, String, UniqueConstraint, PrimaryKeyConstraint
 from sqlalchemy.orm import relationship
 
 
-class CustomsBroker(Base, TenantScopedMixin):
+class CustomsBroker(Base, TenantScopedMixin, TimestampMixin):
     __tablename__ = "customs_brokers"
     __table_args__ = (
         PrimaryKeyConstraint("id", name="customs_brokers_pkey"),
-        ForeignKeyConstraint(
-            ["tenant_id"], ["a76.tenants.id"], name="fk_customs_brokers_tenants"
-        ),
-        ForeignKeyConstraint(
-            ["company_id"], ["a76.company.id"], name="fk_customs_brokers_company"
-        ),
         UniqueConstraint("broker_key", "tenant_id", "company_id", name="uq_broker_key_tenant_company"),
         {"schema": "a76"},
     )
@@ -45,7 +39,7 @@ class CustomsBroker(Base, TenantScopedMixin):
     )
 
 
-class CustomsBrokerVU(Base):
+class CustomsBrokerVU(Base, TenantScopedMixin, TimestampMixin):
     __tablename__ = "customs_brokers_vu"
     __table_args__ = {"schema": "a76"}
 
@@ -77,7 +71,7 @@ class CustomsBrokerVU(Base):
     customs_broker = relationship("CustomsBroker", back_populates="vu")
 
 
-class CustomsBrokerPersonnel(Base):
+class CustomsBrokerPersonnel(Base, TenantScopedMixin, TimestampMixin):
     __tablename__ = "customs_brokers_personnel"
     __table_args__ = {"schema": "a76"}