feat: initial commit

2026-03-05 22:12:38 +01:00
commit bce762a783
380 changed files with 51955 additions and 0 deletions
@@ -0,0 +1,99 @@
+"""Material aliases — substitution/alias system for material name resolution
+
+Revision ID: 020
+Revises: 019
+Create Date: 2026-03-02
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects.postgresql import UUID
+import uuid
+from datetime import datetime
+
+revision = "020"
+down_revision = "019"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Create material_aliases table
+    op.create_table(
+        "material_aliases",
+        sa.Column("id", UUID(as_uuid=True), primary_key=True, default=uuid.uuid4),
+        sa.Column(
+            "material_id",
+            UUID(as_uuid=True),
+            sa.ForeignKey("materials.id", ondelete="CASCADE"),
+            nullable=False,
+        ),
+        sa.Column("alias", sa.String(300), nullable=False),
+        sa.Column("created_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
+    )
+
+    # Case-insensitive unique index on alias
+    op.create_index(
+        "uq_material_aliases_alias_lower",
+        "material_aliases",
+        [sa.text("lower(alias)")],
+        unique=True,
+    )
+
+    # Index on material_id for FK lookups
+    op.create_index(
+        "ix_material_aliases_material_id",
+        "material_aliases",
+        ["material_id"],
+    )
+
+    # Seed aliases from naming_scheme.xlsx Materialmapping data
+    _seed_aliases()
+
+
+def _seed_aliases() -> None:
+    from app.data.material_alias_seeds import MATERIAL_ALIAS_SEEDS
+
+    conn = op.get_bind()
+
+    for entry in MATERIAL_ALIAS_SEEDS:
+        material_name = entry["material_name"]
+
+        # Look up material by name
+        result = conn.execute(
+            sa.text("SELECT id FROM materials WHERE name = :name"),
+            {"name": material_name},
+        )
+        row = result.fetchone()
+        if not row:
+            # Material not seeded yet, skip
+            continue
+
+        material_id = row[0]
+
+        for alias_str in entry["aliases"]:
+            # Skip if alias already exists (case-insensitive)
+            existing = conn.execute(
+                sa.text("SELECT id FROM material_aliases WHERE lower(alias) = lower(:alias)"),
+                {"alias": alias_str},
+            )
+            if existing.fetchone():
+                continue
+
+            conn.execute(
+                sa.text(
+                    "INSERT INTO material_aliases (id, material_id, alias, created_at) "
+                    "VALUES (:id, :material_id, :alias, :created_at)"
+                ),
+                {
+                    "id": str(uuid.uuid4()),
+                    "material_id": str(material_id),
+                    "alias": alias_str,
+                    "created_at": datetime.utcnow(),
+                },
+            )
+
+
+def downgrade() -> None:
+    op.drop_index("ix_material_aliases_material_id", table_name="material_aliases")
+    op.drop_index("uq_material_aliases_alias_lower", table_name="material_aliases")
+    op.drop_table("material_aliases")