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CMT/backend/app/alembic/versions/4966e016dd7c_initial_tables.py
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"""Initial tables
Revision ID: 4966e016dd7c
Revises: 0aa4734ce008
Create Date: 2025-08-17 16:50:53.587969
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
import sqlmodel.sql.sqltypes
# revision identifiers, used by Alembic.
revision: str = '4966e016dd7c'
down_revision: Union[str, Sequence[str], None] = '0aa4734ce008'
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.create_table('client',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('tin_number', sa.Integer(), nullable=False),
sa.Column('names', sqlmodel.sql.sqltypes.AutoString(length=100), nullable=False),
sa.Column('phone_number', sqlmodel.sql.sqltypes.AutoString(length=10), nullable=False),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('tin_number')
)
op.create_table('product',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('product_code', sqlmodel.sql.sqltypes.AutoString(length=10), nullable=False),
sa.Column('product_name', sqlmodel.sql.sqltypes.AutoString(length=20), nullable=False),
sa.Column('purchase_price', sa.Integer(), nullable=False),
sa.Column('date_modified', sa.DateTime(), server_default=sa.text('now()'), nullable=True),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('product_code'),
sa.UniqueConstraint('product_name')
)
op.create_table('supplier',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('tin_number', sa.Integer(), nullable=False),
sa.Column('names', sqlmodel.sql.sqltypes.AutoString(length=100), nullable=False),
sa.Column('phone_number', sqlmodel.sql.sqltypes.AutoString(length=10), nullable=False),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('tin_number')
)
op.create_table('credit',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('transcation_type', sa.Enum('BUY', 'SELL', name='tradetype'), nullable=False),
sa.Column('product_code', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('client_id', sa.Integer(), nullable=False),
sa.Column('supplier_id', sa.Integer(), nullable=False),
sa.Column('qty', sa.Integer(), nullable=False),
sa.Column('amount', sa.Integer(), nullable=False),
sa.Column('date', sa.DateTime(), server_default=sa.text('now()'), nullable=True),
sa.ForeignKeyConstraint(['client_id'], ['client.id'], ),
sa.ForeignKeyConstraint(['product_code'], ['product.product_code'], ),
sa.ForeignKeyConstraint(['supplier_id'], ['supplier.id'], ),
sa.PrimaryKeyConstraint('id')
)
op.create_table('payment',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('payment_type', sa.Enum('BUY', 'SELL', name='tradetype'), nullable=False),
sa.Column('product_code', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
sa.Column('client_id', sa.Integer(), nullable=False),
sa.Column('supplier_id', sa.Integer(), nullable=False),
sa.Column('amount', sa.Integer(), nullable=False),
sa.Column('payment_method', sqlmodel.sql.sqltypes.AutoString(length=24), nullable=False),
sa.Column('date', sa.DateTime(), server_default=sa.text('now()'), nullable=True),
sa.ForeignKeyConstraint(['client_id'], ['client.id'], ),
sa.ForeignKeyConstraint(['product_code'], ['product.product_code'], ),
sa.ForeignKeyConstraint(['supplier_id'], ['supplier.id'], ),
sa.PrimaryKeyConstraint('id')
)
# ### end Alembic commands ###
def downgrade() -> None:
"""Downgrade schema."""
# ### commands auto generated by Alembic - please adjust! ###
op.drop_table('payment')
op.drop_table('credit')
op.drop_table('supplier')
op.drop_table('product')
op.drop_table('client')
# ### end Alembic commands ###