Bryan Van Deusen
41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
"""Add SeriesPage table for ordered series/comic reading
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Revision ID: e26012202
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Revises: d26012201
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Create Date: 2026-01-22
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"""
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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 = 'e26012202'
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down_revision = 'd26012201'
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branch_labels = None
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depends_on = None
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def upgrade():
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# Create series_page table
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op.create_table(
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'series_page',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('series_tag_id', sa.Integer(), nullable=False),
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sa.Column('image_id', sa.Integer(), nullable=False),
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sa.Column('page_number', sa.Integer(), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=True),
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sa.Column('updated_at', sa.DateTime(), nullable=True),
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sa.ForeignKeyConstraint(['series_tag_id'], ['tag.id'], ondelete='CASCADE'),
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sa.ForeignKeyConstraint(['image_id'], ['image_record.id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('id'),
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sa.UniqueConstraint('image_id'), # Image can only be in one series
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sa.UniqueConstraint('series_tag_id', 'page_number', name='uq_series_page_number')
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)
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op.create_index('ix_series_page_series_tag', 'series_page', ['series_tag_id'], unique=False)
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def downgrade():
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op.drop_index('ix_series_page_series_tag', table_name='series_page')
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op.drop_table('series_page')
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