78 lines
3.3 KiB
Python
78 lines
3.3 KiB
Python
from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision: str = '20251011_000901_add_checks_table'
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down_revision: Union[str, None] = '1f0abcdd7300'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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# ایجاد ایمن جدول و ایندکسها در صورت نبود
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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# ایجاد type در صورت نیاز
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try:
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op.execute("SELECT 1 FROM information_schema.COLUMNS WHERE TABLE_NAME='checks' LIMIT 1")
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except Exception:
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pass
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if 'checks' not in inspector.get_table_names():
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# Enum برای نوع چک
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try:
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# برخی درایورها ایجاد Enum را قبل از استفاده میخواهند
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sa.Enum('received', 'transferred', name='check_type')
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except Exception:
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pass
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op.create_table(
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'checks',
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sa.Column('id', sa.Integer(), primary_key=True, autoincrement=True),
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sa.Column('business_id', sa.Integer(), sa.ForeignKey('businesses.id', ondelete='CASCADE'), nullable=False),
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sa.Column('type', sa.Enum('received', 'transferred', name='check_type'), nullable=False),
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sa.Column('person_id', sa.Integer(), sa.ForeignKey('persons.id', ondelete='SET NULL'), nullable=True),
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sa.Column('issue_date', sa.DateTime(), nullable=False),
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sa.Column('due_date', sa.DateTime(), nullable=False),
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sa.Column('check_number', sa.String(length=50), nullable=False),
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sa.Column('sayad_code', sa.String(length=16), nullable=True),
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sa.Column('bank_name', sa.String(length=255), nullable=True),
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sa.Column('branch_name', sa.String(length=255), nullable=True),
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sa.Column('amount', sa.Numeric(18, 2), nullable=False),
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sa.Column('currency_id', sa.Integer(), sa.ForeignKey('currencies.id', ondelete='RESTRICT'), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=False),
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sa.Column('updated_at', sa.DateTime(), nullable=False),
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sa.UniqueConstraint('business_id', 'check_number', name='uq_checks_business_check_number'),
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sa.UniqueConstraint('business_id', 'sayad_code', name='uq_checks_business_sayad_code'),
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)
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# ایجاد ایندکسها اگر وجود ندارند
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try:
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existing_indexes = {idx['name'] for idx in inspector.get_indexes('checks')}
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if 'ix_checks_business_type' not in existing_indexes:
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op.create_index('ix_checks_business_type', 'checks', ['business_id', 'type'])
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if 'ix_checks_business_person' not in existing_indexes:
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op.create_index('ix_checks_business_person', 'checks', ['business_id', 'person_id'])
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if 'ix_checks_business_issue_date' not in existing_indexes:
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op.create_index('ix_checks_business_issue_date', 'checks', ['business_id', 'issue_date'])
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if 'ix_checks_business_due_date' not in existing_indexes:
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op.create_index('ix_checks_business_due_date', 'checks', ['business_id', 'due_date'])
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except Exception:
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pass
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def downgrade() -> None:
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# Drop indices
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op.drop_index('ix_checks_business_due_date', table_name='checks')
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op.drop_index('ix_checks_business_issue_date', table_name='checks')
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op.drop_index('ix_checks_business_person', table_name='checks')
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op.drop_index('ix_checks_business_type', table_name='checks')
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# Drop table
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op.drop_table('checks')
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# Drop enum type (if supported)
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try:
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op.execute("DROP TYPE check_type")
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except Exception:
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pass
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