devicehub-teal/ereuse_devicehub/migrations/versions/51439cf24be8_change_trade_action.py

"""change trade action

Revision ID: 51439cf24be8
Revises: eca457d8b2a4
Create Date: 2021-03-15 17:40:34.410408

"""
from alembic import op
from alembic import context
from sqlalchemy.dialects import postgresql
import sqlalchemy as sa
import citext


# revision identifiers, used by Alembic.
revision = '51439cf24be8'
down_revision = 'eca457d8b2a4'
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.drop_table('trade', schema=f'{get_inv()}')
    op.create_table('trade',
                    sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
                    sa.Column('date', sa.TIMESTAMP(timezone=True), nullable=True),
                    sa.Column('price', sa.Float(decimal_return_scale=4), nullable=True),
                    sa.Column('user_from_id', postgresql.UUID(as_uuid=True), nullable=False),
                    sa.Column('user_to_id', postgresql.UUID(as_uuid=True), nullable=False),

                    sa.ForeignKeyConstraint(['id'], [f'{get_inv()}.action.id'], ),
                    sa.ForeignKeyConstraint(['user_from_id'], [f'common.user.id'], ),
                    sa.ForeignKeyConstraint(['user_to_id'], [f'common.user.id'], ),
                    sa.PrimaryKeyConstraint('id'),
                    schema=f'{get_inv()}'
                    )


def downgrade():
    op.drop_table('trade', schema=f'{get_inv()}')
    op.create_table('trade',
                    sa.Column('shipping_date', sa.TIMESTAMP(timezone=True), nullable=True,
                              comment='When are the devices going to be ready \n    for shipping?\n    '),
                    sa.Column('invoice_number', citext.CIText(), nullable=True,
                              comment='The id of the invoice so they can be linked.'),
                    sa.Column('price_id', postgresql.UUID(as_uuid=True), nullable=True,
                              comment='The price set for this trade.            \n    If no price is set it is supposed that the trade was\n    not payed, usual in donations.\n        '),
                    sa.Column('to_id', postgresql.UUID(as_uuid=True), nullable=False),
                    sa.Column('confirms_id', postgresql.UUID(as_uuid=True), nullable=True,
                              comment='An organize action that this association confirms.                \n    \n    For example, a ``Sell`` or ``Rent``\n    can confirm a ``Reserve`` action.\n    '),
                    sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
                    sa.ForeignKeyConstraint(['confirms_id'], [f'{get_inv()}.organize.id'], ),
                    sa.ForeignKeyConstraint(['id'], [f'{get_inv()}.action.id'], ),
                    sa.ForeignKeyConstraint(['price_id'], [f'{get_inv()}.price.id'], ),
                    sa.ForeignKeyConstraint(['to_id'], [f'{get_inv()}.agent.id'], ),
                    sa.PrimaryKeyConstraint('id'),
                    schema=f'{get_inv()}'
                    )