feat: initial commit

backend/alembic/versions/007_materials.py

@@ -0,0 +1,33 @@
+"""materials table and cad_part_materials column
+
+Revision ID: 007
+Revises: 006
+Create Date: 2026-03-01
+
+"""
+from typing import Sequence, Union
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects.postgresql import UUID, JSONB
+
+revision: str = "007"
+down_revision: Union[str, None] = "006"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "materials",
+        sa.Column("id", UUID(as_uuid=True), primary_key=True, server_default=sa.text("gen_random_uuid()")),
+        sa.Column("name", sa.String(200), nullable=False, unique=True),
+        sa.Column("description", sa.Text, nullable=True),
+        sa.Column("created_at", sa.DateTime, server_default=sa.text("NOW()"), nullable=False),
+        sa.Column("updated_at", sa.DateTime, server_default=sa.text("NOW()"), nullable=False),
+    )
+    op.execute("ALTER TABLE order_items ADD COLUMN IF NOT EXISTS cad_part_materials JSONB NOT NULL DEFAULT '[]'::jsonb")
+
+
+def downgrade() -> None:
+    op.execute("ALTER TABLE order_items DROP COLUMN IF EXISTS cad_part_materials")
+    op.drop_table("materials")