54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
"""Seed default render positions (3/4 Front + 3/4 Rear) for all existing products.
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Revision ID: 029
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Revises: 028
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Create Date: 2026-03-04
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"""
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from alembic import op
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revision = "029"
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down_revision = "028"
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branch_labels = None
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depends_on = None
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def upgrade():
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# Insert two default positions for every product that currently has none.
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# The CTE guarantees both rows are inserted for the same set of products.
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op.execute("""
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WITH products_without_positions AS (
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SELECT p.id AS product_id
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FROM products p
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WHERE NOT EXISTS (
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SELECT 1 FROM product_render_positions rp WHERE rp.product_id = p.id
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)
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)
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INSERT INTO product_render_positions
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(id, product_id, name, rotation_x, rotation_y, rotation_z,
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is_default, sort_order, created_at, updated_at)
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SELECT gen_random_uuid(), product_id,
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'3/4 Front', -15.0, 45.0, 0.0, true, 0, NOW(), NOW()
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FROM products_without_positions
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UNION ALL
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SELECT gen_random_uuid(), product_id,
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'3/4 Rear', -15.0, -135.0, 0.0, false, 1, NOW(), NOW()
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FROM products_without_positions
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""")
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def downgrade():
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# Remove positions named exactly '3/4 Front' or '3/4 Rear'
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# where they are the only two positions on that product (i.e. seeded ones).
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op.execute("""
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DELETE FROM product_render_positions
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WHERE name IN ('3/4 Front', '3/4 Rear')
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AND product_id IN (
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SELECT product_id
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FROM product_render_positions
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GROUP BY product_id
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HAVING COUNT(*) = 2
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AND bool_or(name = '3/4 Front')
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AND bool_or(name = '3/4 Rear')
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)
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""")
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