feat(database): encrypt transactions data

7project/backend/alembic/versions/2025_10_29_1326-46b9e702e83f_add_encrypted_type.py

@@ -0,0 +1,47 @@
+"""Add encrypted type
+
+Revision ID: 46b9e702e83f
+Revises: 1f2a3c4d5e6f
+Create Date: 2025-10-29 13:26:24.568523
+
+"""
+from typing import Sequence, Union
+
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision: str = '46b9e702e83f'
+down_revision: Union[str, Sequence[str], None] = '1f2a3c4d5e6f'
+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.alter_column('transaction', 'amount',
+               existing_type=mysql.FLOAT(),
+               type_=sqlalchemy_utils.types.encrypted.encrypted_type.EncryptedType(),
+               existing_nullable=False)
+    op.alter_column('transaction', 'description',
+               existing_type=mysql.VARCHAR(length=255),
+               type_=sqlalchemy_utils.types.encrypted.encrypted_type.EncryptedType(),
+               existing_nullable=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('transaction', 'description',
+               existing_type=sqlalchemy_utils.types.encrypted.encrypted_type.EncryptedType(),
+               type_=mysql.VARCHAR(length=255),
+               existing_nullable=True)
+    op.alter_column('transaction', 'amount',
+               existing_type=sqlalchemy_utils.types.encrypted.encrypted_type.EncryptedType(),
+               type_=mysql.FLOAT(),
+               existing_nullable=False)
+    # ### end Alembic commands ###