feat: initial commit

2026-03-05 22:12:38 +01:00
commit bce762a783
380 changed files with 51955 additions and 0 deletions
@@ -0,0 +1,108 @@
+"""Remove product variant system — products are unique, no variant concept.
+
+Revision ID: 027
+Revises: 026
+Create Date: 2026-03-03
+"""
+from alembic import op
+import sqlalchemy as sa
+
+revision = "027"
+down_revision = "026"
+branch_labels = None
+depends_on = None
+
+NIL_UUID = "00000000-0000-0000-0000-000000000000"
+
+
+def upgrade() -> None:
+    # Drop variant-aware unique indexes on order_lines
+    op.execute("DROP INDEX IF EXISTS uq_order_lines_tracking")
+    op.execute("DROP INDEX IF EXISTS uq_order_lines_render")
+
+    # Drop variant_id column from order_lines
+    op.execute("ALTER TABLE order_lines DROP COLUMN IF EXISTS variant_id")
+
+    # Deduplicate tracking-only lines (output_type_id IS NULL) — keep the newest row per
+    # (order_id, product_id) pair so the unique index can be created cleanly.
+    op.execute("""
+        DELETE FROM order_lines
+        WHERE output_type_id IS NULL
+          AND id NOT IN (
+              SELECT DISTINCT ON (order_id, product_id) id
+              FROM order_lines
+              WHERE output_type_id IS NULL
+              ORDER BY order_id, product_id, created_at DESC
+          )
+    """)
+
+    # Deduplicate render lines — keep the newest row per (order_id, product_id, output_type_id).
+    op.execute("""
+        DELETE FROM order_lines
+        WHERE output_type_id IS NOT NULL
+          AND id NOT IN (
+              SELECT DISTINCT ON (order_id, product_id, output_type_id) id
+              FROM order_lines
+              WHERE output_type_id IS NOT NULL
+              ORDER BY order_id, product_id, output_type_id, created_at DESC
+          )
+    """)
+
+    # Recreate simpler unique indexes without variant_id
+    op.execute(
+        "CREATE UNIQUE INDEX uq_order_lines_tracking "
+        "ON order_lines (order_id, product_id) "
+        "WHERE output_type_id IS NULL"
+    )
+    op.execute(
+        "CREATE UNIQUE INDEX uq_order_lines_render "
+        "ON order_lines (order_id, product_id, output_type_id) "
+        "WHERE output_type_id IS NOT NULL"
+    )
+
+    # Drop product_variants table (CASCADE removes its indexes automatically)
+    op.execute("DROP TABLE IF EXISTS product_variants CASCADE")
+
+
+def downgrade() -> None:
+    # Recreate product_variants table
+    op.execute("""
+        CREATE TABLE product_variants (
+            id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+            product_id UUID NOT NULL REFERENCES products(id) ON DELETE CASCADE,
+            name VARCHAR(500) NOT NULL,
+            gewuenschte_bildnummer VARCHAR(500),
+            components JSONB NOT NULL DEFAULT '[]',
+            is_default BOOLEAN NOT NULL DEFAULT false,
+            source_excel VARCHAR(1000),
+            created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+            updated_at TIMESTAMP NOT NULL DEFAULT NOW()
+        )
+    """)
+    op.execute(
+        "CREATE UNIQUE INDEX uq_product_variants_product_name "
+        "ON product_variants (product_id, lower(name))"
+    )
+    op.execute("CREATE INDEX ON product_variants (product_id)")
+
+    # Add back variant_id to order_lines
+    op.execute(
+        "ALTER TABLE order_lines ADD COLUMN variant_id UUID "
+        "REFERENCES product_variants(id) ON DELETE SET NULL"
+    )
+
+    # Drop simple indexes and restore variant-aware indexes
+    op.execute("DROP INDEX IF EXISTS uq_order_lines_tracking")
+    op.execute("DROP INDEX IF EXISTS uq_order_lines_render")
+
+    op.execute(
+        "CREATE UNIQUE INDEX uq_order_lines_tracking "
+        f"ON order_lines (order_id, product_id, COALESCE(variant_id, '{NIL_UUID}'::uuid)) "
+        "WHERE output_type_id IS NULL"
+    )
+    op.execute(
+        "CREATE UNIQUE INDEX uq_order_lines_render "
+        "ON order_lines (order_id, product_id, output_type_id, "
+        f"COALESCE(variant_id, '{NIL_UUID}'::uuid)) "
+        "WHERE output_type_id IS NOT NULL"
+    )