177 lines
8.1 KiB
Python
177 lines
8.1 KiB
Python
"""Initial schema
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Revision ID: 001
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Revises:
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Create Date: 2023-09-10
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"""
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.sql import func
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# revision identifiers, used by Alembic.
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revision = '001'
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down_revision = None
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branch_labels = None
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depends_on = None
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# Enums
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order_status_values = ['pending', 'processing', 'shipped', 'delivered', 'cancelled']
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shipment_status_values = ['pending', 'processing', 'in_transit', 'delivered', 'cancelled']
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def upgrade() -> None:
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# Create users table
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op.create_table(
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'users',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('email', sa.String(), nullable=False),
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sa.Column('username', sa.String(), nullable=False),
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sa.Column('hashed_password', sa.String(), nullable=False),
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sa.Column('full_name', sa.String(), nullable=True),
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sa.Column('is_active', sa.Boolean(), nullable=True, default=True),
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sa.Column('is_superuser', sa.Boolean(), nullable=True, default=False),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=True)
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op.create_index(op.f('ix_users_id'), 'users', ['id'], unique=False)
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op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=True)
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# Create products table
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op.create_table(
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'products',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(), nullable=False),
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sa.Column('sku', sa.String(), nullable=False),
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sa.Column('description', sa.Text(), nullable=True),
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sa.Column('weight', sa.Float(), nullable=False, default=0.0),
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sa.Column('dimensions', sa.String(), nullable=True),
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sa.Column('price', sa.Float(), nullable=False, default=0.0),
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sa.Column('is_active', sa.Boolean(), nullable=True, default=True),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_products_id'), 'products', ['id'], unique=False)
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op.create_index(op.f('ix_products_name'), 'products', ['name'], unique=False)
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op.create_index(op.f('ix_products_sku'), 'products', ['sku'], unique=True)
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# Create warehouses table
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op.create_table(
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'warehouses',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('name', sa.String(), nullable=False),
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sa.Column('code', sa.String(), nullable=False),
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sa.Column('address', sa.Text(), nullable=False),
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sa.Column('city', sa.String(), nullable=False),
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sa.Column('state', sa.String(), nullable=False),
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sa.Column('country', sa.String(), nullable=False),
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sa.Column('postal_code', sa.String(), nullable=False),
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sa.Column('is_active', sa.Boolean(), nullable=True, default=True),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_warehouses_id'), 'warehouses', ['id'], unique=False)
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op.create_index(op.f('ix_warehouses_name'), 'warehouses', ['name'], unique=False)
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op.create_index(op.f('ix_warehouses_code'), 'warehouses', ['code'], unique=True)
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# Create inventory table
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op.create_table(
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'inventory',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('product_id', sa.Integer(), nullable=False),
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sa.Column('warehouse_id', sa.Integer(), nullable=False),
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sa.Column('quantity', sa.Integer(), nullable=False, default=0),
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sa.Column('location', sa.String(), nullable=True),
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sa.Column('min_stock_level', sa.Integer(), nullable=True, default=0),
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sa.Column('max_stock_level', sa.Integer(), nullable=True, default=0),
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sa.ForeignKeyConstraint(['product_id'], ['products.id'], ),
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sa.ForeignKeyConstraint(['warehouse_id'], ['warehouses.id'], ),
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sa.PrimaryKeyConstraint('id'),
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sa.UniqueConstraint('product_id', 'warehouse_id', name='uix_product_warehouse')
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)
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op.create_index(op.f('ix_inventory_id'), 'inventory', ['id'], unique=False)
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# Create orders table
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op.create_table(
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'orders',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('user_id', sa.Integer(), nullable=False),
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sa.Column('order_number', sa.String(), nullable=False),
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sa.Column('status', sa.Enum(*order_status_values, name='orderstatus'), nullable=True, default='pending'),
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sa.Column('total_amount', sa.Float(), nullable=False, default=0.0),
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sa.Column('shipping_address', sa.String(), nullable=False),
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sa.Column('created_at', sa.DateTime(timezone=True), server_default=func.now(), nullable=True),
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sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True),
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sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_orders_id'), 'orders', ['id'], unique=False)
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op.create_index(op.f('ix_orders_order_number'), 'orders', ['order_number'], unique=True)
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# Create order_items table
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op.create_table(
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'order_items',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('order_id', sa.Integer(), nullable=False),
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sa.Column('product_id', sa.Integer(), nullable=False),
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sa.Column('quantity', sa.Integer(), nullable=False, default=1),
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sa.Column('unit_price', sa.Float(), nullable=False),
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sa.Column('total_price', sa.Float(), nullable=False),
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sa.ForeignKeyConstraint(['order_id'], ['orders.id'], ),
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sa.ForeignKeyConstraint(['product_id'], ['products.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_order_items_id'), 'order_items', ['id'], unique=False)
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# Create shipments table
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op.create_table(
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'shipments',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('tracking_number', sa.String(), nullable=False),
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sa.Column('order_id', sa.Integer(), nullable=True),
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sa.Column('origin_warehouse_id', sa.Integer(), nullable=False),
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sa.Column('destination_warehouse_id', sa.Integer(), nullable=True),
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sa.Column('customer_address', sa.Text(), nullable=True),
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sa.Column('status', sa.Enum(*shipment_status_values, name='shipmentstatus'), nullable=True, default='pending'),
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sa.Column('carrier', sa.String(), nullable=True),
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sa.Column('estimated_delivery', sa.DateTime(timezone=True), nullable=True),
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sa.Column('actual_delivery', sa.DateTime(timezone=True), nullable=True),
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sa.Column('shipping_cost', sa.Float(), nullable=True, default=0.0),
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sa.Column('created_by_id', sa.Integer(), nullable=False),
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sa.Column('created_at', sa.DateTime(timezone=True), server_default=func.now(), nullable=True),
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sa.Column('updated_at', sa.DateTime(timezone=True), nullable=True),
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sa.ForeignKeyConstraint(['created_by_id'], ['users.id'], ),
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sa.ForeignKeyConstraint(['destination_warehouse_id'], ['warehouses.id'], ),
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sa.ForeignKeyConstraint(['order_id'], ['orders.id'], ),
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sa.ForeignKeyConstraint(['origin_warehouse_id'], ['warehouses.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_shipments_id'), 'shipments', ['id'], unique=False)
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op.create_index(op.f('ix_shipments_tracking_number'), 'shipments', ['tracking_number'], unique=True)
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# Create shipment_items table
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op.create_table(
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'shipment_items',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('shipment_id', sa.Integer(), nullable=False),
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sa.Column('product_id', sa.Integer(), nullable=False),
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sa.Column('quantity', sa.Integer(), nullable=False, default=1),
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sa.ForeignKeyConstraint(['product_id'], ['products.id'], ),
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sa.ForeignKeyConstraint(['shipment_id'], ['shipments.id'], ),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_shipment_items_id'), 'shipment_items', ['id'], unique=False)
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def downgrade() -> None:
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# Drop all tables in reverse order of creation
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op.drop_table('shipment_items')
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op.drop_table('shipments')
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op.drop_table('order_items')
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op.drop_table('orders')
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op.drop_table('inventory')
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op.drop_table('warehouses')
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op.drop_table('products')
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op.drop_table('users')
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# Drop enums
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op.execute('DROP TYPE IF EXISTS orderstatus')
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op.execute('DROP TYPE IF EXISTS shipmentstatus') |