add migration file for assigned action

ereuse_devicehub/migrations/versions/e93aec8fc41f_added_assigned_action.py

@@ -0,0 +1,41 @@
+"""Added Assigned action
+
+Revision ID: e93aec8fc41f
+Revises: b9b0ee7d9dca
+Create Date: 2020-11-17 13:22:56.790956
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from alembic import context
+import sqlalchemy_utils
+import citext
+import teal
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = 'e93aec8fc41f'
+down_revision = 'b9b0ee7d9dca'
+branch_labels = None
+depends_on = None
+
+
+def get_inv():
+    INV = context.get_x_argument(as_dictionary=True).get('inventory')
+    if not INV:
+        raise ValueError("Inventory value is not specified")
+    return INV
+
+def upgrade():
+    op.create_table('assigned',
+        sa.Column('assigned', citext.CIText(), nullable=True, comment=' This is a internal code for mainteing the secrets of the personal datas of the new holder '),
+        sa.Column('n_beneficiaries', sa.Numeric(precision=4), nullable=False),
+        sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
+        sa.ForeignKeyConstraint(['id'], [f'{get_inv()}.action.id'], ),
+        sa.PrimaryKeyConstraint('id'),
+        schema=f'{get_inv()}'
+    )
+
+
+def downgrade():
+    op.drop_table('assigned')