feat: add Fixed Asset Classes management page with CRUD functionality

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

@@ -31,9 +31,6 @@ class Class(Base, TenantScopedMixin, TimestampMixin):
     __tablename__ = "classes"
     __table_args__ = (
         PrimaryKeyConstraint("id", name="classes_pkey"),
-        ForeignKeyConstraint(
-            ["client_id"], ["a76.clients_and_providers.id"], name="fk_classes_client"
-        ),
         ForeignKeyConstraint(
             ["material_key"],
             ["public.material_types.key"],
@@ -47,15 +44,13 @@ class Class(Base, TenantScopedMixin, TimestampMixin):
         UniqueConstraint(
             "tenant_id",
             "company_id",
-            "client_id",
             "class_code",
-            name="ufa_classes_client_id_class_code",
+            name="uq_classes_tenant_company_code",
         ),
         {"schema": "a76"},
     )
 
     id: Mapped[int] = mapped_column(Integer, primary_key=True)
-    client_id: Mapped[int] = mapped_column(Integer)
 
     # Unique constraint compuesta
     class_code: Mapped[str] = mapped_column(String(8))  # CLASE
@@ -98,11 +93,11 @@ class Class(Base, TenantScopedMixin, TimestampMixin):
 
     # Inverse relationship with GParts that have this class
     parts: Mapped[list["Part"]] = relationship(
-        primaryjoin="and_(Class.client_id == Part.client_id, Class.class_code == Part.part_class)",
-        foreign_keys="[Part.client_id, Part.part_class]",
+        primaryjoin="and_(Class.class_code == Part.part_class)",
+        foreign_keys="[Part.part_class]",
         viewonly=True,
         back_populates="part_class_info",
     )
 
     def __repr__(self) -> str:
-        return f"<Class(client_id={self.client_id}, class_code='{self.class_code}', description='{self.description_es}')>"
+        return f"<Class(class_code='{self.class_code}', description='{self.description_es}')>"