REFACTOR - Database logic

shared/database/__init__.py

@@ -0,0 +1,68 @@
+"""
+Shared Database Infrastructure
+Provides consistent database patterns across all microservices
+"""
+
+from .base import DatabaseManager, Base, create_database_manager
+from .repository import BaseRepository
+from .unit_of_work import UnitOfWork, ServiceUnitOfWork, RepositoryRegistry
+from .transactions import (
+    transactional,
+    unit_of_work_transactional,
+    managed_transaction,
+    managed_unit_of_work,
+    TransactionManager,
+    run_in_transaction,
+    run_with_unit_of_work
+)
+from .exceptions import (
+    DatabaseError,
+    ConnectionError,
+    RecordNotFoundError,
+    DuplicateRecordError,
+    ConstraintViolationError,
+    TransactionError,
+    ValidationError,
+    MigrationError,
+    HealthCheckError
+)
+from .utils import DatabaseUtils, QueryLogger
+
+__all__ = [
+    # Core components
+    "DatabaseManager",
+    "Base",
+    "create_database_manager",
+    
+    # Repository pattern
+    "BaseRepository",
+    
+    # Unit of Work pattern  
+    "UnitOfWork",
+    "ServiceUnitOfWork",
+    "RepositoryRegistry",
+    
+    # Transaction management
+    "transactional",
+    "unit_of_work_transactional",
+    "managed_transaction",
+    "managed_unit_of_work",
+    "TransactionManager",
+    "run_in_transaction",
+    "run_with_unit_of_work",
+    
+    # Exceptions
+    "DatabaseError",
+    "ConnectionError",
+    "RecordNotFoundError",
+    "DuplicateRecordError",
+    "ConstraintViolationError",
+    "TransactionError",
+    "ValidationError",
+    "MigrationError",
+    "HealthCheckError",
+    
+    # Utilities
+    "DatabaseUtils",
+    "QueryLogger"
+]