{a.name}
+ {a.physical_name && a.physical_name !== a.name && (
+
+ {a.physical_name}
+
+ )}
{a.enum_values && a.enum_values.length > 0 && (
enum
@@ -527,6 +567,15 @@ function AttrRow({
upd({ name: v })} />
+ {(a.physical_name || false) && (
+ upd({ physical_name: v })}
+ />
+ )}
{a.enum_values && a.enum_values.length > 0 && (
enum
diff --git a/canvas/src/RelationshipEdge.tsx b/canvas/src/RelationshipEdge.tsx
index 24c3842..bce96fe 100644
--- a/canvas/src/RelationshipEdge.tsx
+++ b/canvas/src/RelationshipEdge.tsx
@@ -79,7 +79,8 @@ export const RelationshipEdge = memo(function RelationshipEdge({
- {selected ? rel.name : ""}
+ {/* erwin verb phrase reads " "; fall back to the name */}
+ {selected ? rel.verb_phrase || rel.name : ""}
{composite ? `${selected ? " " : ""}(${data!.memberCount})` : ""}
)}
diff --git a/canvas/src/sme/ImportExportMenu.tsx b/canvas/src/sme/ImportExportMenu.tsx
index 04ad18e..3b01cb4 100644
--- a/canvas/src/sme/ImportExportMenu.tsx
+++ b/canvas/src/sme/ImportExportMenu.tsx
@@ -136,6 +136,7 @@ const IMPORT_FORMATS = [
{ id: "sql", label: "SQL DDL", hint: "CREATE TABLE … PRIMARY KEY / FOREIGN KEY" },
{ id: "mermaid", label: "Mermaid erDiagram", hint: "structural: entities, attributes, relationships" },
{ id: "json-schema", label: "JSON Schema", hint: "each object definition becomes an entity" },
+ { id: "erwin", label: "erwin XML", hint: "entities, keys, relationships, subject areas, subtypes" },
];
function ImportPanel({
@@ -230,7 +231,7 @@ function ImportPanel({
"
+ inverse_verb_phrase?: string | null;
}
export interface PhysicalTable {
diff --git a/packages/cli/src/mdl_cli/main.py b/packages/cli/src/mdl_cli/main.py
index fb5f4f3..157663b 100644
--- a/packages/cli/src/mdl_cli/main.py
+++ b/packages/cli/src/mdl_cli/main.py
@@ -2727,16 +2727,56 @@ def import_osi_cmd(
@import_app.command("erwin")
def import_erwin_cmd(
- file: Path = typer.Argument(..., help="erwin XML export"),
+ file: Path = typer.Argument(..., help="erwin XML export (.xml)"),
out: Path = typer.Option(Path("model"), "--out", "-o"),
name: str = typer.Option(None, "--name"),
+ apply: bool = typer.Option(
+ False,
+ "--apply",
+ help="Merge the erwin model INTO the existing model at --out via the editing "
+ "engine, instead of writing a fresh model. Use when adding erwin objects to a "
+ "model you already have.",
+ ),
+ force: bool = typer.Option(
+ False, "--force", help="Overwrite --out in place instead of diverting to a sibling."
+ ),
) -> None:
- """Import an erwin XML export into the IR (spec §6.4)."""
- model = import_erwin(file.read_text(encoding="utf-8"), project_name=name)
- write_reversed(model, out)
+ """Import a real erwin XML export into a Modelith model (spec §6.4).
+
+ Default: write a fresh model at --out (like `mdl reverse` — an erwin export is a whole
+ model). If --out already holds a model it diverts to a `-reversed-v` sibling unless
+ --force. With --apply, merge the erwin objects into the existing model at --out through
+ the same validated mutation engine manual edits use."""
+ # streaming reader handles 7-10MB files; pass the PATH so it reads the file directly.
+ result = import_erwin(file, project_name=name)
+ for w in result.warnings:
+ typer.secho(f" note: {w}", fg=typer.colors.YELLOW)
+
+ if apply:
+ from mdl_emit_erd.imports.model import model_to_commands
+
+ from mdl_core.commands import CommandError, apply_command
+
+ applied = 0
+ for c in model_to_commands(result.model):
+ try:
+ apply_command(out, c["op"], c["payload"])
+ applied += 1
+ except (CommandError, FileNotFoundError) as e:
+ typer.secho(f" skipped {c['op']}: {e}", fg=typer.colors.YELLOW)
+ typer.secho(
+ f"merged {len(result.model.logical_entities)} entities from erwin into {out} "
+ f"({applied} change(s) applied)",
+ fg=typer.colors.GREEN,
+ )
+ return
+
+ if not force:
+ out = _nonclobbering_out(out)
+ write_reversed(result.model, out)
typer.secho(
- f"imported {len(model.logical_entities)} entities, "
- f"{len(model.relationships)} relationships from erwin to {out}",
+ f"imported {len(result.model.logical_entities)} entities, "
+ f"{len(result.model.relationships)} relationships from erwin to {out}",
fg=typer.colors.GREEN,
)
diff --git a/packages/cli/tests/test_import_erwin_cli.py b/packages/cli/tests/test_import_erwin_cli.py
new file mode 100644
index 0000000..e0fee13
--- /dev/null
+++ b/packages/cli/tests/test_import_erwin_cli.py
@@ -0,0 +1,63 @@
+"""CLI: `mdl import erwin` — write-a-model default + --apply into an existing model."""
+
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+from typer.testing import CliRunner
+
+from mdl_cli.main import app
+
+runner = CliRunner()
+
+# the real-shaped erwin fixture (reuse the reader's test fixture)
+_FIXTURE = (
+ Path(__file__).resolve().parents[2] / "reverse" / "tests" / "test_erwin.py"
+)
+sys.path.insert(0, str(_FIXTURE.parent))
+
+
+def _erwin_xml() -> str:
+ text = _FIXTURE.read_text()
+ return text.split('_ERWIN = """')[1].split('"""')[0]
+
+
+def test_import_erwin_writes_a_model(tmp_path):
+ xml = tmp_path / "trading.xml"
+ xml.write_text(_erwin_xml())
+ out = tmp_path / "model"
+ r = runner.invoke(app, ["import", "erwin", str(xml), "-o", str(out)])
+ assert r.exit_code == 0, r.output
+ assert (out / "logical" / "entities" / "counterparty.yaml").exists()
+ # warnings surface as notes
+ assert "note:" in r.output
+ # and the written model validates
+ v = runner.invoke(app, ["validate", "-m", str(out)])
+ assert v.exit_code == 0, v.output
+
+
+def test_import_erwin_apply_into_existing(tmp_path):
+ xml = tmp_path / "trading.xml"
+ xml.write_text(_erwin_xml())
+ existing = tmp_path / "existing"
+ existing.mkdir()
+ (existing / "mdl-project.yaml").write_text("name: existing\ndbt_target: duckdb\n")
+ r = runner.invoke(app, ["import", "erwin", str(xml), "-o", str(existing), "--apply"])
+ assert r.exit_code == 0, r.output
+ assert "merged" in r.output
+ assert (existing / "logical" / "entities" / "trade.yaml").exists()
+ v = runner.invoke(app, ["validate", "-m", str(existing)])
+ assert v.exit_code == 0, v.output
+
+
+def test_import_erwin_diverts_on_existing_model(tmp_path):
+ # a second write into a dir that already holds a model diverts to a sibling
+ xml = tmp_path / "trading.xml"
+ xml.write_text(_erwin_xml())
+ out = tmp_path / "model"
+ assert runner.invoke(app, ["import", "erwin", str(xml), "-o", str(out)]).exit_code == 0
+ r = runner.invoke(app, ["import", "erwin", str(xml), "-o", str(out)])
+ assert r.exit_code == 0, r.output
+ # the original is untouched; a -reversed-v1 sibling was written
+ assert (tmp_path / "model-reversed-v1" / "mdl-project.yaml").exists()
diff --git a/packages/core/src/mdl_core/commands.py b/packages/core/src/mdl_core/commands.py
index d3008b0..903c58b 100644
--- a/packages/core/src/mdl_core/commands.py
+++ b/packages/core/src/mdl_core/commands.py
@@ -176,15 +176,22 @@ def _create_entity(repo: ModelRepo, p: dict) -> str:
def _rename_entity(repo: ModelRepo, p: dict) -> None:
- _require(p, "id", "name")
+ _require(p, "id")
le = repo.model.logical_entities.get(p["id"])
if le is None:
raise CommandError(f"no logical entity {p['id']}")
- new_name = _slug(p["name"])
rel, node = _node_for(repo, le.id)
- node["name"] = new_name
- # keep the file name in step with the entity name (repo hygiene)
- repo.rename_file(rel, f"logical/entities/{new_name}.yaml")
+ if p.get("name"):
+ new_name = _slug(p["name"])
+ node["name"] = new_name
+ # keep the file name in step with the entity name (repo hygiene)
+ repo.rename_file(rel, f"logical/entities/{new_name}.yaml")
+ # physical table name (erwin Physical_Name); empty clears the key
+ if "physical_name" in p:
+ if p["physical_name"]:
+ node["physical_name"] = p["physical_name"]
+ else:
+ node.pop("physical_name", None)
def _delete_entity(repo: ModelRepo, p: dict) -> None:
@@ -361,6 +368,12 @@ def _update_attribute(repo: ModelRepo, p: dict) -> None:
attr[k] = _slug(p[k]) if k == "name" else p[k]
if "nullable" in p and p["nullable"] is not None:
attr["nullable"] = bool(p["nullable"])
+ # physical column name (erwin Physical_Name); empty clears the key
+ if "physical_name" in p:
+ if p["physical_name"]:
+ attr["physical_name"] = p["physical_name"]
+ else:
+ attr.pop("physical_name", None)
return
raise CommandError(f"no attribute {p['attribute_id']}")
@@ -482,6 +495,14 @@ def _update_relationship(repo: ModelRepo, p: dict) -> None:
node["definition"] = p["definition"]
else:
node.pop("definition", None)
+ # Verb phrases (erwin's readable role names): " " and the
+ # inverse. Set from import, editable in the Inspector; empty clears the key.
+ for key in ("verb_phrase", "inverse_verb_phrase"):
+ if key in p:
+ if p[key]:
+ node[key] = p[key]
+ else:
+ node.pop(key, None)
# --- ontology alignment -----------------------------------------------------------
diff --git a/packages/core/src/mdl_core/ir.py b/packages/core/src/mdl_core/ir.py
index e498c54..21919a5 100644
--- a/packages/core/src/mdl_core/ir.py
+++ b/packages/core/src/mdl_core/ir.py
@@ -290,6 +290,9 @@ class CodeSet(_Base):
class Attribute(_OntologyMixin, _Base):
id: ULID
name: str
+ # The physical column name when it differs from the logical `name` (erwin's
+ # Physical_Name). Optional; None means the physical name follows the logical one.
+ physical_name: str | None = None
definition: str | None = None
domain: str | None = None # name-ref to a Domain object
role: Literal["business_key", "surrogate_key", "attribute", "measure"] = "attribute"
@@ -304,6 +307,9 @@ class LogicalEntity(_Base):
id: ULID
kind: Literal[ObjectKind.logical_entity] = ObjectKind.logical_entity
name: str
+ # The physical table name when it differs from the logical `name` (erwin's
+ # Physical_Name). Optional; None means the physical name follows the logical one.
+ physical_name: str | None = None
realises: ULID | None = None # conceptual entity ULID
definition: str | None = None
attributes: list[Attribute] = Field(default_factory=list)
@@ -336,6 +342,11 @@ class Relationship(_Base):
cardinality: Cardinality = "many_to_one"
identifying: bool = False
optionality: Literal["mandatory", "optional"] = "mandatory"
+ # Readable role names (erwin's verb phrases): the parent-to-child phrase reads
+ # " " (e.g. "places"), the inverse reads the other way
+ # ("is placed by"). Optional; carried through import/export, not required to model.
+ verb_phrase: str | None = None
+ inverse_verb_phrase: str | None = None
enforce: RelationshipEnforce = Field(default_factory=RelationshipEnforce)
udp: Udp | None = None # user-defined properties (erwin UDPs)
diff --git a/packages/core/tests/test_erwin_ir_fields.py b/packages/core/tests/test_erwin_ir_fields.py
new file mode 100644
index 0000000..6bfa6dc
--- /dev/null
+++ b/packages/core/tests/test_erwin_ir_fields.py
@@ -0,0 +1,65 @@
+"""The erwin-facing IR additions: physical names + relationship verb phrases.
+
+These are optional, additive fields that erwin import populates and a re-export should
+round-trip. A model that doesn't use them behaves exactly as before.
+"""
+
+from __future__ import annotations
+
+from mdl_core.ids import new_ulid
+from mdl_core.ir import (
+ Attribute,
+ ConceptualEntity,
+ LogicalEntity,
+ Model,
+ ProjectConfig,
+ Relationship,
+ RelationshipEnd,
+)
+from mdl_core.repo import ModelRepo
+from mdl_reverse.writer import write_model
+
+
+def test_physical_names_and_verb_phrases_round_trip(tmp_path):
+ m = Model(ProjectConfig(name="p", dbt_target="duckdb"))
+ ce_c = ConceptualEntity(id=new_ulid(), name="Customer")
+ ce_o = ConceptualEntity(id=new_ulid(), name="Order")
+ m.add(ce_c)
+ m.add(ce_o)
+ cust = LogicalEntity(
+ id=new_ulid(), name="customer", physical_name="CUSTOMER", realises=ce_c.id,
+ attributes=[Attribute(id=new_ulid(), name="customer_id",
+ physical_name="CUSTOMER_ID", role="business_key")],
+ )
+ order = LogicalEntity(id=new_ulid(), name="order", physical_name="ORDER", realises=ce_o.id,
+ attributes=[Attribute(id=new_ulid(), name="customer_id")])
+ m.add(cust)
+ m.add(order)
+ m.add(
+ Relationship(
+ id=new_ulid(), name="order_placed_by_customer",
+ **{"from": RelationshipEnd(entity=order.id, attributes=[order.attributes[0].id])},
+ to=RelationshipEnd(entity=cust.id, attributes=[cust.attributes[0].id]),
+ verb_phrase="places", inverse_verb_phrase="is placed by",
+ )
+ )
+ write_model(m, tmp_path)
+
+ reloaded = ModelRepo.load(tmp_path).model
+ le = next(e for e in reloaded.logical_entities.values() if e.name == "customer")
+ assert le.physical_name == "CUSTOMER"
+ assert le.attributes[0].physical_name == "CUSTOMER_ID"
+ rel = next(iter(reloaded.relationships.values()))
+ assert rel.verb_phrase == "places"
+ assert rel.inverse_verb_phrase == "is placed by"
+
+
+def test_absent_fields_stay_clean(tmp_path):
+ # a model that uses none of the new fields writes YAML without them (no noise)
+ m = Model(ProjectConfig(name="p", dbt_target="duckdb"))
+ ce = ConceptualEntity(id=new_ulid(), name="Thing")
+ m.add(ce)
+ m.add(LogicalEntity(id=new_ulid(), name="thing", realises=ce.id))
+ write_model(m, tmp_path)
+ text = (tmp_path / "logical" / "entities" / "thing.yaml").read_text()
+ assert "physical_name" not in text
diff --git a/packages/emit-erd/src/mdl_emit_erd/imports/model.py b/packages/emit-erd/src/mdl_emit_erd/imports/model.py
index ffaebc7..d7c624c 100644
--- a/packages/emit-erd/src/mdl_emit_erd/imports/model.py
+++ b/packages/emit-erd/src/mdl_emit_erd/imports/model.py
@@ -1,14 +1,23 @@
"""Neutral imported-model view + conversion to a Modelith command list.
The parsers all produce an ImportedModel; `to_commands()` is the single place that
-maps it onto the editing engine's ops, so every import path behaves identically."""
+maps it onto the editing engine's ops, so every import path behaves identically.
+
+`model_to_commands()` is the richer sibling: it turns a full `mdl_core.ir.Model` (subject
+areas, categories, domains, conceptual entities, keys, relationships — everything a thin
+ImportedModel drops) into the same op vocabulary, so a rich importer (erwin) can ride the
+exact preview/apply path the simple ones use without flattening its structure away."""
from __future__ import annotations
from dataclasses import dataclass, field
+from typing import TYPE_CHECKING
from mdl_core.ids import new_ulid
+if TYPE_CHECKING:
+ from mdl_core.ir import Model
+
@dataclass
class ImportedColumn:
@@ -130,3 +139,148 @@ def to_commands(m: ImportedModel) -> list[dict]:
commands.append({"op": "create_relationship", "payload": payload})
return commands
+
+
+def model_to_commands(model: Model) -> list[dict]:
+ """Turn a full IR Model into an ordered {op, payload} change list that `apply_command`
+ reconstructs, preserving subject areas, domains, keys, relationships, and categories.
+
+ Fresh ULIDs are minted for every object (the source Model's ids are not reused), and
+ order is dependency-safe: subject areas + domains, then entities (carrying their
+ subject-area membership), then attributes, key groups, relationships, and categories
+ that reference them."""
+ commands: list[dict] = []
+ ent_id: dict[str, str] = {} # source logical-entity id -> new entity id
+ attr_id: dict[str, str] = {} # source attribute id -> new attribute id
+ sa_id: dict[str, str] = {} # source subject-area id -> new subject-area id
+ ce_id: dict[str, str] = {} # source conceptual id -> new conceptual id
+
+ # 1. subject areas (entities reference them at create time)
+ for sa in model.subject_areas.values():
+ nid = new_ulid()
+ sa_id[sa.id] = nid
+ p: dict = {"id": nid, "name": sa.name}
+ if sa.definition:
+ p["definition"] = sa.definition
+ commands.append({"op": "create_subject_area", "payload": p})
+
+ # which subject area each conceptual entity belongs to (SA.members holds conceptual ids)
+ ce_to_sa: dict[str, str] = {}
+ for sa in model.subject_areas.values():
+ for ce in sa.members:
+ ce_to_sa.setdefault(ce, sa_id[sa.id])
+
+ # 2. domains
+ for dom in model.domains.values():
+ p = {"id": new_ulid(), "name": dom.name, "base_type": dom.base_type}
+ if dom.definition:
+ p["definition"] = dom.definition
+ if dom.allowed_values:
+ p["allowed_values"] = list(dom.allowed_values)
+ commands.append({"op": "create_domain", "payload": p})
+
+ # 3. entities (+ their subject-area home tag via the conceptual entity)
+ for le in model.logical_entities.values():
+ nid = new_ulid()
+ ent_id[le.id] = nid
+ new_ce = new_ulid()
+ if le.realises:
+ ce_id[le.realises] = new_ce
+ p = {"id": nid, "name": le.name, "conceptual_id": new_ce, "display_name": le.name}
+ if le.definition:
+ p["definition"] = le.definition
+ sa_for = ce_to_sa.get(le.realises) if le.realises else None
+ if sa_for:
+ p["subject_area"] = sa_for
+ commands.append({"op": "create_entity", "payload": p})
+
+ # 3b. subject-area membership (the inclusion list; distinct from the home tag). Emitted
+ # after entities so the new conceptual ids exist. Members are conceptual ids.
+ for sa in model.subject_areas.values():
+ members = [ce_id[ce] for ce in sa.members if ce in ce_id]
+ if members:
+ commands.append(
+ {
+ "op": "set_subject_area_members",
+ "payload": {"id": sa_id[sa.id], "members": members},
+ }
+ )
+
+ # 4. attributes
+ for le in model.logical_entities.values():
+ for a in le.attributes:
+ aid = new_ulid()
+ attr_id[a.id] = aid
+ commands.append(
+ {
+ "op": "add_attribute",
+ "payload": {
+ "entity_id": ent_id[le.id],
+ "id": aid,
+ "name": a.name,
+ "domain": a.domain or "string",
+ "nullable": a.nullable,
+ "role": a.role,
+ },
+ }
+ )
+
+ # 5. key groups (pk + alternate/unique)
+ for kg in model.key_groups.values():
+ if kg.entity not in ent_id:
+ continue
+ members = [attr_id[m] for m in kg.members if m in attr_id]
+ if not members:
+ continue
+ commands.append(
+ {
+ "op": "create_key_group",
+ "payload": {
+ "entity": ent_id[kg.entity],
+ "id": new_ulid(),
+ "name": kg.name,
+ "type": kg.type,
+ "members": members,
+ },
+ }
+ )
+
+ # 6. relationships
+ for rel in model.relationships.values():
+ if rel.from_.entity not in ent_id or rel.to.entity not in ent_id:
+ continue
+ p = {
+ "id": new_ulid(),
+ "name": rel.name,
+ "from_entity": ent_id[rel.from_.entity],
+ "to_entity": ent_id[rel.to.entity],
+ "cardinality": rel.cardinality,
+ }
+ if rel.from_.attributes and rel.from_.attributes[0] in attr_id:
+ p["from_attribute"] = attr_id[rel.from_.attributes[0]]
+ if rel.to.attributes and rel.to.attributes[0] in attr_id:
+ p["to_attribute"] = attr_id[rel.to.attributes[0]]
+ commands.append({"op": "create_relationship", "payload": p})
+
+ # 7. categories (subtype/supertype)
+ for cat in model.categories.values():
+ if cat.supertype not in ent_id:
+ continue
+ subs = [ent_id[s] for s in cat.subtypes if s in ent_id]
+ if not subs:
+ continue
+ p = {
+ "id": new_ulid(),
+ "name": cat.name,
+ "supertype": ent_id[cat.supertype],
+ "subtypes": subs,
+ "materialization": cat.materialization,
+ }
+ if cat.discriminator and cat.discriminator in attr_id:
+ p["discriminator"] = attr_id[cat.discriminator]
+ else:
+ # no discriminator carried -> use table_per_subtype so it applies cleanly
+ p["materialization"] = "table_per_subtype"
+ commands.append({"op": "create_category", "payload": p})
+
+ return commands
diff --git a/packages/emit-erd/tests/test_model_to_commands.py b/packages/emit-erd/tests/test_model_to_commands.py
new file mode 100644
index 0000000..a9302e4
--- /dev/null
+++ b/packages/emit-erd/tests/test_model_to_commands.py
@@ -0,0 +1,107 @@
+"""model_to_commands: a rich IR Model -> command list that apply_command reconstructs.
+
+This is the bridge that lets the erwin importer (which produces a full Model, not a thin
+table view) ride the canvas/CLI apply path without flattening subject areas, categories,
+domains, or keys away.
+"""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from mdl_emit_erd.imports.model import model_to_commands
+
+from mdl_core.commands import apply_command
+from mdl_core.diagnostics import Severity
+from mdl_core.ids import new_ulid
+from mdl_core.ir import (
+ Attribute,
+ Category,
+ ConceptualEntity,
+ Domain,
+ KeyGroup,
+ LogicalEntity,
+ Model,
+ ProjectConfig,
+ Relationship,
+ RelationshipEnd,
+ SubjectArea,
+)
+from mdl_core.repo import ModelRepo
+from mdl_core.validate import validate
+
+
+def _source_model() -> Model:
+ m = Model(ProjectConfig(name="src", dbt_target="duckdb"))
+ m.add(Domain(id=new_ulid(), name="id_type", base_type="bigint"))
+ ce_c = ConceptualEntity(id=new_ulid(), name="Customer")
+ ce_o = ConceptualEntity(id=new_ulid(), name="Order")
+ m.add(ce_c)
+ m.add(ce_o)
+ a_cid = Attribute(id=new_ulid(), name="customer_id", role="business_key", domain="id_type")
+ cust = LogicalEntity(id=new_ulid(), name="customer", realises=ce_c.id, attributes=[a_cid])
+ a_oid = Attribute(id=new_ulid(), name="order_id", role="business_key", domain="id_type")
+ a_ofk = Attribute(id=new_ulid(), name="customer_id", domain="id_type")
+ order = LogicalEntity(id=new_ulid(), name="order", realises=ce_o.id, attributes=[a_oid, a_ofk])
+ m.add(cust)
+ m.add(order)
+ m.add(KeyGroup(id=new_ulid(), entity=cust.id, name="pk_customer", type="pk", members=[a_cid.id]))
+ m.add(KeyGroup(id=new_ulid(), entity=order.id, name="pk_order", type="pk", members=[a_oid.id]))
+ m.add(
+ Relationship(
+ id=new_ulid(), name="order_placed_by_customer",
+ **{"from": RelationshipEnd(entity=order.id, attributes=[a_ofk.id])},
+ to=RelationshipEnd(entity=cust.id, attributes=[a_cid.id]),
+ verb_phrase="places",
+ )
+ )
+ m.add(SubjectArea(id=new_ulid(), name="Sales", members=[ce_c.id, ce_o.id]))
+ return m
+
+
+def _apply(model: Model, tmp_path: Path) -> Model:
+ (tmp_path / "mdl-project.yaml").write_text("name: t\ndbt_target: duckdb\n")
+ for c in model_to_commands(model):
+ apply_command(tmp_path, c["op"], c["payload"])
+ return ModelRepo.load(tmp_path).model
+
+
+def test_round_trip_reconstructs_structure(tmp_path):
+ out = _apply(_source_model(), tmp_path)
+ assert {le.name for le in out.logical_entities.values()} == {"customer", "order"}
+ assert sum(1 for k in out.key_groups.values() if k.type == "pk") == 2
+ assert len(out.relationships) == 1
+ assert any(d.name == "id_type" for d in out.domains.values())
+ sa = next(iter(out.subject_areas.values()))
+ assert sa.name == "Sales" and len(sa.members) == 2
+
+
+def test_reconstructed_model_validates(tmp_path):
+ out = _apply(_source_model(), tmp_path)
+ diags = validate(out)
+ assert not diags.has(Severity.error), [
+ d.message for d in diags.items if d.severity == Severity.error
+ ]
+
+
+def test_category_with_discriminator_round_trips(tmp_path):
+ m = Model(ProjectConfig(name="src", dbt_target="duckdb"))
+ ce = ConceptualEntity(id=new_ulid(), name="Party")
+ ce_p = ConceptualEntity(id=new_ulid(), name="Person")
+ m.add(ce)
+ m.add(ce_p)
+ disc = Attribute(id=new_ulid(), name="party_type", role="attribute", domain="string")
+ pk = Attribute(id=new_ulid(), name="party_id", role="business_key", domain="string")
+ party = LogicalEntity(id=new_ulid(), name="party", realises=ce.id, attributes=[pk, disc])
+ person = LogicalEntity(id=new_ulid(), name="person", realises=ce_p.id,
+ attributes=[Attribute(id=new_ulid(), name="party_id", role="business_key",
+ domain="string")])
+ m.add(party)
+ m.add(person)
+ m.add(KeyGroup(id=new_ulid(), entity=party.id, name="pk_party", type="pk", members=[pk.id]))
+ m.add(Category(id=new_ulid(), name="party_category", supertype=party.id,
+ subtypes=[person.id], discriminator=disc.id, materialization="single_table"))
+ out = _apply(m, tmp_path)
+ cat = next(iter(out.categories.values()))
+ assert cat.discriminator is not None
+ assert not validate(out).has(Severity.error)
diff --git a/packages/reverse/src/mdl_reverse/erwin.py b/packages/reverse/src/mdl_reverse/erwin.py
index 5ee373f..4c8bf84 100644
--- a/packages/reverse/src/mdl_reverse/erwin.py
+++ b/packages/reverse/src/mdl_reverse/erwin.py
@@ -1,36 +1,46 @@
-"""erwin XML import (spec §6.4).
-
-Nobody migrates greenfield, so this is the go-to-market path. We map erwin's
-subject areas, entities, attributes, domains, relationships and naming standards
-into the IR.
-
-erwin has several export shapes (the native erwin XML and an XMLSchema variant).
-We parse defensively: tag/attribute names are matched case-insensitively and we
-accept the common element layout below. Unrecognised structure is skipped rather
-than fatal, so a partial import still yields a usable model the modeller refines.
-
-Expected-ish shape (simplified erwin XML):
-
-
-
-
-
+"""erwin XML import — the real erwin Data Modeler export format (spec §6.4).
+
+Nobody migrates to a modeling tool greenfield, so this is the go-to-market on-ramp: point
+Modelith at an erwin export and get a committable model back.
+
+The real erwin XML (per the erwin XSDs at erwin/schemas/) is nothing like a flat table
+dump. It is:
+
+ - **Namespaced.** Root `{http://www.erwin.com/dm}erwin` -> `{.../dm/data}Model`, and
+ every object element lives in the data namespace.
+ - **GUID-referenced.** Every object carries a required `id` attribute (a GUID); objects
+ point at each other by that id, held in `<..._Ref>` elements (text) or index-ordered
+ `<..._Ref>` children of a `<..._Ref_Array>`.
+ - **Props-as-text.** An object's scalar data lives in a sibling `` element
+ whose CHILDREN are the properties, each carrying its value as element text —
+ `Customer ..._Groups` containers under Model (Entity_Groups -> Entity,
+Relationship_Groups -> Relationship, ...). Keys live inside each Entity as `Key_Group`s.
+
+**Streaming.** Real exports run 7-10MB, so we parse with ElementTree.iterparse and clear
+each top-level object element as it closes — the full document is never held as a DOM. We
+index every object by id in one streaming pass, then resolve the cross-references.
+
+**Defensive.** Unknown object groups, unknown property values, and dangling references are
+skipped with a warning, never fatal — a novel or partial export yields a usable model plus
+notes rather than a crash.
"""
from __future__ import annotations
import xml.etree.ElementTree as ET
+from dataclasses import dataclass, field
+from io import BytesIO, StringIO
from pathlib import Path
from mdl_core.ids import new_ulid
from mdl_core.ir import (
Attribute,
+ Category,
ConceptualEntity,
+ Domain,
+ KeyGroup,
LogicalEntity,
Model,
ProjectConfig,
@@ -39,26 +49,46 @@
SubjectArea,
)
-# erwin datatype -> abstract base type.
+# erwin namespaces (see the XSD imports).
+_NS_DATA = "http://www.erwin.com/dm/data"
+
+# erwin logical/physical datatype -> Modelith abstract base type. Values look like
+# "VARCHAR(40)" / "BIGINT" / "NUMBER(18,2)"; strip the size and lowercase.
_ERWIN_TYPE = {
"bigint": "bigint",
"integer": "integer",
"int": "integer",
"smallint": "integer",
+ "tinyint": "integer",
"numeric": "decimal",
"decimal": "decimal",
"number": "decimal",
+ "float": "decimal",
+ "double": "decimal",
+ "real": "decimal",
+ "money": "decimal",
"varchar": "string",
+ "varchar2": "string",
+ "nvarchar": "string",
+ "nvarchar2": "string",
"char": "string",
+ "nchar": "string",
"text": "string",
- "nvarchar": "string",
+ "clob": "string",
"boolean": "boolean",
"bit": "boolean",
"date": "date",
"datetime": "timestamp",
+ "datetime2": "timestamp",
"timestamp": "timestamp",
+ "time": "timestamp",
}
+# The maximum export we'll attempt to hold the object index for. iterparse streams, but the
+# extracted-record index still grows with object count; ~50MB of XML is already an enormous
+# model and a sane upper bound. Above it we warn and parse anyway (best-effort).
+_SIZE_WARN_BYTES = 50 * 1024 * 1024
+
def _base_type(erwin_type: str | None) -> str:
if not erwin_type:
@@ -67,175 +97,488 @@ def _base_type(erwin_type: str | None) -> str:
return _ERWIN_TYPE.get(t, "string")
-def _lc(tag: str) -> str:
- return tag.split("}")[-1].lower() # strip namespace, lowercase
+def _local(tag: str) -> str:
+ """Local element name, namespace stripped."""
+ return tag.split("}")[-1]
+
+
+@dataclass
+class _Obj:
+ """A lightweight extracted record for one erwin object, kept in the id index so the
+ full XML element can be cleared from memory after extraction."""
+
+ kind: str # local element name, e.g. "Entity", "Relationship", "Domain"
+ id: str
+ props: dict[str, str] # single-value props: name -> text
+ refs: dict[str, str] # single refs: prop-name -> target GUID
+ ref_arrays: dict[str, list[str]] # array refs: prop-name -> ordered target GUIDs
+ children: list[_Obj] = field(default_factory=list) # nested objects (attrs, key groups)
+
+
+@dataclass
+class ErwinImport:
+ model: Model
+ warnings: list[str] = field(default_factory=list)
+
+
+# --- streaming parse ------------------------------------------------------------
+
+
+def _extract(el: ET.Element) -> _Obj:
+ """Extract an object element (Entity / Relationship / ...) into a record. Reads its
+ `` child's properties (text values, single refs, ref arrays) and recurses
+ into nested `_Groups` for child objects (attributes, key groups, members)."""
+ obj = _Obj(
+ kind=_local(el.tag),
+ id=el.get("id") or new_ulid(),
+ props={},
+ refs={},
+ ref_arrays={},
+ )
+ for child in el:
+ name = _local(child.tag)
+ if name.endswith("Props"):
+ _read_props(child, obj)
+ elif name.endswith("_Groups"):
+ # a container of nested objects (Attribute_Groups -> Attribute, ...)
+ for sub in child:
+ if sub.get("id") is not None or list(sub):
+ obj.children.append(_extract(sub))
+ return obj
+
+
+def _read_props(props_el: ET.Element, obj: _Obj) -> None:
+ """Read a `` element's children into the object's props/refs/ref_arrays."""
+ for p in props_el:
+ name = _local(p.tag)
+ if name.endswith("_Ref_Array"):
+ key = name[: -len("_Array")] # Foo_Ref_Array -> Foo_Ref
+ items: list[tuple[int, str]] = []
+ for ref in p:
+ guid = (ref.text or "").strip()
+ if guid:
+ try:
+ idx = int(ref.get("index", "0"))
+ except ValueError:
+ idx = len(items)
+ items.append((idx, guid))
+ obj.ref_arrays[key] = [g for _, g in sorted(items)]
+ elif name.endswith("_Ref"):
+ guid = (p.text or "").strip()
+ if guid:
+ obj.refs[name] = guid
+ else:
+ text = (p.text or "").strip()
+ if text:
+ obj.props[name] = text
+
+
+# Top-level object element names we index (inside their *_Groups). Nested objects
+# (Attribute, Key_Group, Key_Group_Member) are captured via _extract recursion.
+_TOP_OBJECTS = frozenset(
+ {"Entity", "Relationship", "Subject_Area", "Domain", "View", "ER_Diagram"}
+)
+
+# Object names that appear NESTED inside a mapped object (consumed by _extract, not at the
+# Model level). Their `_Groups` fire an `end` before the parent object's, so they must not
+# be reported as "skipped Model-level objects".
+_NESTED_OBJECTS = frozenset(
+ {
+ "Attribute",
+ "Attribute_X",
+ "Key_Group",
+ "Key_Group_X",
+ "Key_Group_Member",
+ "Key_Sequence_Column",
+ "Check_Constraint_Usage",
+ "Constraint_X",
+ "Extended_Notes",
+ "History_Information",
+ "Display_Style_Sheet",
+ }
+)
+
+def _parse_stream(source) -> tuple[dict[str, _Obj], list[_Obj], list[str]]:
+ """Stream the erwin XML, returning (id -> object index, top-level objects in order,
+ warnings). Clears each processed top-level element so a 10MB file never fully
+ materialises as a DOM."""
+ index: dict[str, _Obj] = {}
+ ordered: list[_Obj] = []
+ warnings: list[str] = []
+ skipped_groups: set[str] = set()
-def _attr(el: ET.Element, *names: str) -> str | None:
- """Case-insensitive attribute lookup across candidate names."""
- lower = {k.lower(): v for k, v in el.attrib.items()}
- for n in names:
- if n.lower() in lower:
- return lower[n.lower()]
- return None
+ # iterparse fires `end` for a child BEFORE its parent, so we act only on TOP-LEVEL
+ # object elements (Entity, Relationship, …). Their _extract recurses into the still-intact
+ # nested groups (Attribute_Groups, Key_Group_Groups) from the subtree, then we clear the
+ # whole subtree. A `*_Groups` whose object is neither a top-level mapped object nor a
+ # known nested one is a genuinely-unmapped Model-level object type — record it once.
+ context = ET.iterparse(source, events=("end",))
+ for _event, el in context:
+ name = _local(el.tag)
+ if name in _TOP_OBJECTS:
+ obj = _extract(el)
+ ordered.append(obj)
+ _index(obj, index)
+ el.clear() # release this object's subtree (children already extracted)
+ elif name.endswith("_Groups") and name != "Model":
+ base = name[: -len("_Groups")]
+ if base and base not in _TOP_OBJECTS and base not in _NESTED_OBJECTS:
+ skipped_groups.add(base)
+
+ for base in sorted(skipped_groups):
+ warnings.append(f"skipped erwin objects of type {base!r} (not mapped to Modelith)")
+ return index, ordered, warnings
+
+
+def _index(obj: _Obj, index: dict[str, _Obj]) -> None:
+ index[obj.id] = obj
+ for child in obj.children:
+ _index(child, index)
+
+
+# --- value mapping --------------------------------------------------------------
+
+
+def _name_of(obj: _Obj, fallback: str | None = None) -> str | None:
+ return obj.props.get("Name") or fallback
+
+
+def _is_key_group_pk(kg: _Obj) -> bool:
+ t = (kg.props.get("Key_Group_Type") or "").strip().lower()
+ return t in {"primary_key", "pk", "0", "primary"}
-def _truthy(v: str | None) -> bool:
- return str(v).strip().lower() in {"true", "1", "yes", "y"}
-
-
-def _nullable(el: ET.Element, is_key: bool) -> bool:
- """Resolve nullability from erwin's varied spellings.
- - `notnull="true"` => not nullable
- - `null="false"` => not nullable
- - keys default to not-null; everything else defaults to nullable."""
- notnull = _attr(el, "notnull", "not_null")
- if notnull is not None:
- return not _truthy(notnull)
- null = _attr(el, "null", "nullable")
- if null is not None:
- return _truthy(null)
- return not is_key
-
-
-def import_erwin(text: str, *, project_name: str | None = None) -> Model:
- root = ET.fromstring(text)
- model_name = project_name or _attr(root, "name") or "erwin_import"
- model = Model(ProjectConfig(name=model_name))
-
- subject_areas: dict[str, str] = {} # name -> ULID
- sa_objs: dict[str, SubjectArea] = {} # name -> object, so members can be filled
- # erwin's is a CONTAINER of objects; the flat subject_area="..."
- # attribute is only its home tag. Nested / children carry the
- # real many-to-many, so collect both shapes.
- nested_members: dict[str, list[str]] = {} # SA name -> entity names
- entities_by_name: dict[str, LogicalEntity] = {}
- ce_by_name: dict[str, ConceptualEntity] = {}
-
- # Walk all descendants so we tolerate wrapper elements.
- for el in root.iter():
- tag = _lc(el.tag)
- if tag in ("subjectarea", "subject_area"):
- name = _attr(el, "name")
- if name and name not in subject_areas:
- sa_id = new_ulid()
- subject_areas[name] = sa_id
- sa = SubjectArea(id=sa_id, name=name)
- sa_objs[name] = sa
- model.add(sa)
- if name:
- for child in el.iter():
- if child is el:
- continue
- if _lc(child.tag) not in ("entity", "entityref", "entity_ref", "table"):
- continue
- child_name = _attr(child, "name")
- if child_name:
- nested_members.setdefault(name, []).append(child_name)
-
- for el in root.iter():
- if _lc(el.tag) not in ("entity", "table"):
+def _key_group_ir_type(kg: _Obj) -> str:
+ t = (kg.props.get("Key_Group_Type") or "").strip().lower()
+ if t in {"primary_key", "pk", "0", "primary"}:
+ return "pk"
+ if t in {"alternate_key", "ak", "alternate"}:
+ return "alternate"
+ if t in {"inversion_entry", "inversion", "index"}:
+ return "index"
+ return "unique"
+
+
+def _cardinality(v: str | None) -> str:
+ m = (v or "").strip().lower()
+ if m in {"zero_or_one", "one", "1:1", "exactly_one"}:
+ return "one_to_one"
+ if m in {"one_or_more", "zero_one_or_more", "many", "1:n", "1:m"}:
+ return "many_to_one"
+ if m in {"many_to_many", "m:n", "m:m"}:
+ return "many_to_many"
+ return "many_to_one"
+
+
+def _nullable(null_option: str | None, is_key: bool) -> bool:
+ m = (null_option or "").strip().lower()
+ if m in {"not_null", "notnull", "no_nulls", "1"}:
+ return False
+ if m in {"null", "nulls_allowed", "0"}:
+ return True
+ return not is_key # keys default not-null, everything else nullable
+
+
+# --- build the Model ------------------------------------------------------------
+
+
+def import_erwin(source: str | Path, *, project_name: str | None = None) -> ErwinImport:
+ """Import a real erwin XML export into a Modelith Model. `source` may be a path, an
+ XML string, or an already-opened binary/text stream. Returns the model + warnings for
+ anything the import couldn't carry (views, transforms, layout, unknown groups)."""
+ stream, size_hint = _open(source)
+ warnings: list[str] = []
+ if size_hint and size_hint > _SIZE_WARN_BYTES:
+ warnings.append(
+ f"erwin export is very large ({size_hint // (1024 * 1024)}MB); import may be slow"
+ )
+
+ index, ordered, parse_warnings = _parse_stream(stream)
+ warnings.extend(parse_warnings)
+
+ model = Model(ProjectConfig(name=project_name or "erwin_import"))
+
+ # pass 1: entities (+ conceptual), attributes, key groups, domains, subject areas.
+ domain_name_by_id: dict[str, str] = {}
+ for obj in ordered:
+ if obj.kind == "Domain":
+ dname = _name_of(obj)
+ if dname:
+ domain_name_by_id[obj.id] = dname
+
+ ce_id_by_entity: dict[str, str] = {} # erwin entity id -> Modelith conceptual id
+ le_by_erwin_id: dict[str, LogicalEntity] = {} # erwin entity id -> LogicalEntity
+ attr_le_by_erwin_id: dict[str, str] = {} # erwin attribute id -> Modelith attribute id
+ attr_ir_by_erwin_id: dict[str, Attribute] = {}
+
+ # domains first (attributes reference them by name)
+ for obj in ordered:
+ if obj.kind != "Domain":
continue
- name = _attr(el, "name")
- if not name:
+ dname = _name_of(obj)
+ if not dname:
continue
- sa_name = _attr(el, "subject_area", "subjectarea")
- ce_id = new_ulid()
+ model.add(
+ Domain(
+ id=new_ulid(),
+ name=dname,
+ base_type=_base_type(
+ obj.props.get("Logical_Data_Type") or obj.props.get("Physical_Data_Type")
+ ),
+ definition=obj.props.get("Definition"),
+ )
+ )
+
+ for obj in ordered:
+ if obj.kind != "Entity":
+ continue
+ ename = _name_of(obj)
+ if not ename:
+ continue
+ # which attributes are in the pk key group -> business_key role
+ pk_attr_ids: set[str] = set()
+ for kg in obj.children:
+ if kg.kind == "Key_Group" and _is_key_group_pk(kg):
+ for member in kg.children:
+ ar = member.refs.get("Attribute_Ref")
+ if ar:
+ pk_attr_ids.add(ar)
+
+ attrs: list[Attribute] = []
+ for a in obj.children:
+ if a.kind != "Attribute":
+ continue
+ aname = _name_of(a)
+ if not aname:
+ continue
+ is_key = a.id in pk_attr_ids
+ domain_ref = a.refs.get("Parent_Domain_Ref")
+ domain = domain_name_by_id.get(domain_ref) if domain_ref else None
+ if not domain:
+ raw_type = a.props.get("Logical_Data_Type") or a.props.get("Physical_Data_Type")
+ domain = _base_type(raw_type)
+ attr = Attribute(
+ id=new_ulid(),
+ name=aname,
+ physical_name=a.props.get("Physical_Name"),
+ definition=a.props.get("Definition"),
+ domain=domain,
+ role="business_key" if is_key else "attribute",
+ nullable=_nullable(a.props.get("Null_Option_Type"), is_key),
+ )
+ attrs.append(attr)
+ attr_le_by_erwin_id[a.id] = attr.id
+ attr_ir_by_erwin_id[a.id] = attr
+
ce = ConceptualEntity(
- id=ce_id,
- name=_titleize(name),
- subject_area=subject_areas.get(sa_name) if sa_name else None,
- definition=_attr(el, "definition", "comment"),
+ id=new_ulid(), name=_titleize(ename), definition=obj.props.get("Definition")
)
- ce_by_name[name] = ce
model.add(ce)
+ ce_id_by_entity[obj.id] = ce.id
+ le = LogicalEntity(
+ id=new_ulid(),
+ # a logical name is a dbt-ish identifier: lowercase the erwin display name
+ # (the proper-case original is preserved as the conceptual name + physical_name).
+ name=_ident(ename),
+ physical_name=obj.props.get("Physical_Name") or ename,
+ realises=ce.id,
+ definition=obj.props.get("Definition"),
+ attributes=attrs,
+ )
+ model.add(le)
+ le_by_erwin_id[obj.id] = le
- attrs = []
- for child in el.iter():
- if _lc(child.tag) not in ("attribute", "column"):
+ # non-pk key groups -> KeyGroup objects (pk keys are also emitted, for clarity)
+ for kg in obj.children:
+ if kg.kind != "Key_Group":
continue
- aname = _attr(child, "name")
- if not aname:
+ members = [
+ attr_le_by_erwin_id[m.refs["Attribute_Ref"]]
+ for m in kg.children
+ if m.refs.get("Attribute_Ref") in attr_le_by_erwin_id
+ ]
+ if not members:
continue
- is_key = _truthy(_attr(child, "key", "primary_key", "pk"))
- nullable = _nullable(child, is_key)
- attrs.append(
- Attribute(
+ model.add(
+ KeyGroup(
id=new_ulid(),
- name=aname,
- domain=_base_type(_attr(child, "datatype", "type", "domain")),
- role="business_key" if is_key else "attribute",
- nullable=nullable,
+ entity=le.id,
+ name=_name_of(kg) or f"{_key_group_ir_type(kg)}_{ename}",
+ type=_key_group_ir_type(kg),
+ members=members,
)
)
- le = LogicalEntity(id=new_ulid(), name=name.lower(), realises=ce_id, attributes=attrs)
- entities_by_name[name] = le
- model.add(le)
- # seed members from the home tag, so a flat export round-trips cleanly and
- # imports free of MDL-W114
- if sa_name and sa_name in sa_objs and ce_id not in sa_objs[sa_name].members:
- sa_objs[sa_name].members.append(ce_id)
-
- # nested membership: an entity may appear under several subject areas
- for sa_name, names in nested_members.items():
- sa = sa_objs.get(sa_name)
- if sa is None:
+
+ # FK-domain inheritance: a migrated FK column (Parent_Attribute_Ref) inherits its
+ # parent PK column's domain, so the domains match (erwin migrates the type; a bare
+ # child column would otherwise default to 'string' and fail FK domain validation).
+ for erwin_aid, attr in attr_ir_by_erwin_id.items():
+ src = index.get(erwin_aid)
+ if src is None:
continue
- for n in names:
- ce = ce_by_name.get(n)
- if ce is not None and ce.id not in sa.members:
- sa.members.append(ce.id)
+ parent_ref = src.refs.get("Parent_Attribute_Ref")
+ if parent_ref and parent_ref in attr_ir_by_erwin_id:
+ attr.domain = attr_ir_by_erwin_id[parent_ref].domain
+
+ # pass 2: relationships (+ detect subtype -> Category) and subject-area membership.
+ _build_relationships(
+ ordered, index, model, le_by_erwin_id, attr_le_by_erwin_id, ce_id_by_entity, warnings
+ )
+ _build_subject_areas(ordered, model, ce_id_by_entity, warnings)
+
+ # notes for what erwin had that we dropped
+ if any(o.kind == "ER_Diagram" for o in ordered):
+ warnings.append("ER diagram layout (positions) was not imported; Modelith auto-layouts")
+ if any(o.kind == "View" for o in ordered):
+ warnings.append("erwin views were not imported (Modelith models entities, not views)")
+
+ if not model.logical_entities:
+ warnings.append(
+ "no entities found — is this a valid erwin export? "
+ "(expected a namespaced … document)"
+ )
+
+ return ErwinImport(model=model, warnings=warnings)
+
- for el in root.iter():
- if _lc(el.tag) not in ("relationship", "fk", "foreignkey"):
+def _build_relationships(
+ ordered, index, model, le_by_erwin_id, attr_le_by_erwin_id, ce_id_by_entity, warnings
+) -> None:
+ subtype_children_by_parent: dict[str, list[str]] = {}
+ subtype_discriminator_by_parent: dict[str, str] = {} # parent erwin id -> attr erwin id
+ for obj in ordered:
+ if obj.kind != "Relationship":
continue
- parent = _attr(el, "parent", "parent_entity", "to") # one side
- child = _attr(el, "child", "child_entity", "from") # many side
- p_le = entities_by_name.get(parent) if parent else None
- c_le = entities_by_name.get(child) if child else None
+ parent = obj.refs.get("Parent_Entity_Ref")
+ child = obj.refs.get("Child_Entity_Ref")
+ p_le = le_by_erwin_id.get(parent) if parent else None
+ c_le = le_by_erwin_id.get(child) if child else None
if not p_le or not c_le:
+ warnings.append(
+ f"relationship {_name_of(obj) or obj.id!r} references an unknown entity; skipped"
+ )
+ continue
+
+ rtype = (obj.props.get("Type") or "").strip().lower()
+ disc_ref = obj.refs.get("Subtype_Discriminator_Ref")
+ if "subtype" in rtype or disc_ref:
+ # supertype = parent, subtype = child; collect for a Category below
+ subtype_children_by_parent.setdefault(parent, []).append(child)
+ if disc_ref and parent not in subtype_discriminator_by_parent:
+ subtype_discriminator_by_parent[parent] = disc_ref
continue
- child_attr = _attr(el, "child_attr", "fk_column", "column")
- from_attr = _attr_id(c_le, child_attr) if child_attr else None
+
+ # FK attribute mapping: prefer a child attribute whose Parent_Relationship_Ref is
+ # this relationship; else fall back to the relationship's own Attribute_Ref.
+ from_attr = _fk_child_attr(index, obj.id, child, attr_le_by_erwin_id)
to_bk = next((a.id for a in p_le.attributes if a.role == "business_key"), None)
- rel_name = _attr(el, "name") or f"{c_le.name}_has_{p_le.name}"
model.add(
Relationship(
id=new_ulid(),
- name=rel_name,
+ name=_name_of(obj) or f"{c_le.name}_has_{p_le.name}",
+ definition=obj.props.get("Definition"),
**{
"from": RelationshipEnd(
entity=c_le.id, attributes=[from_attr] if from_attr else []
)
},
to=RelationshipEnd(entity=p_le.id, attributes=[to_bk] if to_bk else []),
- cardinality=_cardinality(_attr(el, "cardinality")),
+ cardinality=_cardinality(obj.props.get("Cardinality")),
+ identifying="identifying" in rtype,
+ verb_phrase=obj.props.get("Parent_To_Child_Verb_Phrase"),
+ inverse_verb_phrase=obj.props.get("Child_To_Parent_Verb_Phrase"),
)
)
- return model
-
-def import_erwin_file(path: str | Path, **kw) -> Model:
- return import_erwin(Path(path).read_text(encoding="utf-8"), **kw)
+ # emit a Category per supertype that had subtype relationships
+ for parent_id, child_ids in subtype_children_by_parent.items():
+ sup = le_by_erwin_id.get(parent_id)
+ subs = [le_by_erwin_id[c].id for c in child_ids if c in le_by_erwin_id]
+ if sup is None or not subs:
+ continue
+ disc_erwin = subtype_discriminator_by_parent.get(parent_id)
+ disc = attr_le_by_erwin_id.get(disc_erwin) if disc_erwin else None
+ # The default materialization (single_table) needs a discriminator; when erwin
+ # gave none, use table_per_subtype so the model still validates.
+ model.add(
+ Category(
+ id=new_ulid(),
+ name=f"{sup.name}_category",
+ supertype=sup.id,
+ subtypes=subs,
+ discriminator=disc,
+ materialization="single_table" if disc else "table_per_subtype",
+ )
+ )
-def _attr_id(le: LogicalEntity, col: str) -> str | None:
- for a in le.attributes:
- if a.name == col:
- return a.id
+def _fk_child_attr(index, rel_id, child_entity_id, attr_le_by_erwin_id) -> str | None:
+ """The child attribute that migrated from this relationship (its
+ Parent_Relationship_Ref points at rel_id), mapped to the Modelith attribute id."""
+ child = index.get(child_entity_id)
+ if child is None:
+ return None
+ for a in child.children:
+ if a.kind == "Attribute" and a.refs.get("Parent_Relationship_Ref") == rel_id:
+ mapped = attr_le_by_erwin_id.get(a.id)
+ if mapped:
+ return mapped
return None
-def _cardinality(v: str | None) -> str:
- m = (v or "").strip().lower()
- if m in {"one_to_one", "1:1"}:
- return "one_to_one"
- if m in {"one_to_many", "1:m", "1:n"}:
- return "one_to_many"
- if m in {"many_to_many", "m:n", "m:m"}:
- return "many_to_many"
- return "many_to_one"
+def _build_subject_areas(ordered, model, ce_id_by_entity, warnings) -> None:
+ for obj in ordered:
+ if obj.kind != "Subject_Area":
+ continue
+ sname = _name_of(obj)
+ if not sname:
+ continue
+ member_guids: list[str] = []
+ for key in ("User_Attached_Objects_Ref", "Auto_Attached_Objects_Ref"):
+ member_guids.extend(obj.ref_arrays.get(key, []))
+ members: list[str] = []
+ seen: set[str] = set()
+ for guid in member_guids:
+ ce = ce_id_by_entity.get(guid) # only keep refs that resolve to an entity
+ if ce and ce not in seen:
+ seen.add(ce)
+ members.append(ce)
+ model.add(
+ SubjectArea(
+ id=new_ulid(),
+ name=sname,
+ definition=obj.props.get("Definition"),
+ members=members,
+ )
+ )
+
+
+def _open(source: str | Path):
+ """Return (stream, size_hint_bytes|None) for iterparse. Accepts a path, an XML string,
+ or an open stream."""
+ if isinstance(source, Path):
+ return str(source), source.stat().st_size if source.exists() else None
+ if isinstance(source, str):
+ # a filesystem path vs raw XML: a path won't start with '<' and will exist
+ p = Path(source)
+ if len(source) < 4096 and not source.lstrip().startswith("<") and p.exists():
+ return source, p.stat().st_size
+ return StringIO(source), len(source.encode("utf-8"))
+ if isinstance(source, bytes):
+ return BytesIO(source), len(source)
+ return source, None # already a stream
+
+
+def import_erwin_file(path: str | Path, **kw) -> ErwinImport:
+ return import_erwin(Path(path), **kw)
def _titleize(name: str) -> str:
return "".join(p.capitalize() for p in name.replace(" ", "_").split("_"))
+
+
+def _ident(name: str) -> str:
+ """A dbt-ish logical identifier from an erwin display name: lowercase, spaces to
+ underscores. 'Counterparty' -> 'counterparty', 'Trade Event' -> 'trade_event'."""
+ return name.strip().lower().replace(" ", "_")
diff --git a/packages/reverse/tests/test_erwin.py b/packages/reverse/tests/test_erwin.py
index bce52c5..77ab210 100644
--- a/packages/reverse/tests/test_erwin.py
+++ b/packages/reverse/tests/test_erwin.py
@@ -1,4 +1,11 @@
-"""erwin XML import tests (spec §6.4)."""
+"""erwin XML import — against the REAL erwin export shape (spec §6.4).
+
+The fixture mirrors real erwin: namespaced, GUID-referenced, properties as element text
+inside , keys as per-entity Key_Group, relationships linking entities by
+Parent/Child_Entity_Ref, subject-area membership via attached-object ref arrays, and a
+subtype relationship that becomes a Category. Unknown groups (a View, an ER_Diagram) are
+skipped with warnings, not errors.
+"""
from __future__ import annotations
@@ -6,98 +13,222 @@
from mdl_core.validate import validate
from mdl_reverse.erwin import import_erwin
-_ERWIN = """\
-
-
-
-
-
-
+_ERWIN = """
+
+
+ TradingModel
+
+ id_type BIGINT
+
+
+
+ Counterparty COUNTERPARTY
+ A trading partner.
+
+
+
+ counterparty_id D1
+ Not_Null
+
+ legal_name VARCHAR(255)
+
+
+
+ pk_counterparty Primary_Key
+
+
+
+ A_CP1
+
+
+ Trade
+ trade_id
+ counterparty_id
+ R1
+ A_CP1
+
+
+
+ pk_trade Primary_Key
+
+ A_TR1
+
+ Institution
+ counterparty_id
+
+
+
+ trade_has_counterparty
+ E_CP E_TR
+ Zero_One_or_More
+ is party to
+ is with
+
+ cpty_is_institution Subtype_Complete
+ E_CP E_INST
+ A_CP2
+
+
+
+ Trading
+
+ E_CP
+ E_TR
+
+
+ v_active_trades
+ Main
+
"""
-def test_import_erwin_entities_and_attributes():
- m = import_erwin(_ERWIN)
+def _import():
+ return import_erwin(_ERWIN)
+
+
+def test_entities_and_attributes():
+ r = _import()
+ m = r.model
names = {le.name for le in m.logical_entities.values()}
- assert names == {"counterparty", "trade"}
- cpty = next(le for le in m.logical_entities.values() if le.name == "counterparty")
- bk = next(a for a in cpty.attributes if a.name == "counterparty_id")
+ assert names == {"counterparty", "trade", "institution"}
+ cp = next(le for le in m.logical_entities.values() if le.name == "counterparty")
+ assert cp.physical_name == "COUNTERPARTY"
+ bk = next(a for a in cp.attributes if a.name == "counterparty_id")
assert bk.role == "business_key"
assert bk.nullable is False
- assert bk.domain == "bigint"
+ assert bk.domain == "id_type" # resolved via Parent_Domain_Ref
+ ln = next(a for a in cp.attributes if a.name == "legal_name")
+ assert ln.domain == "string" and ln.nullable is True
+
+def test_primary_key_group():
+ m = _import().model
+ cp = next(le for le in m.logical_entities.values() if le.name == "counterparty")
+ kg = next(k for k in m.key_groups.values() if k.entity == cp.id and k.type == "pk")
+ assert len(kg.members) == 1
+ assert kg.members[0] == cp.attributes[0].id # counterparty_id
-def test_import_erwin_subject_area():
- m = import_erwin(_ERWIN)
- assert len(m.subject_areas) == 1
+
+def test_relationship_with_verb_phrases():
+ m = _import().model
+ rel = next(r for r in m.relationships.values() if r.name == "trade_has_counterparty")
+ trade = next(le for le in m.logical_entities.values() if le.name == "trade")
+ cp = next(le for le in m.logical_entities.values() if le.name == "counterparty")
+ assert rel.from_.entity == trade.id # child = many side
+ assert rel.to.entity == cp.id # parent = one side
+ assert rel.verb_phrase == "is party to"
+ assert rel.inverse_verb_phrase == "is with"
+ # the FK child attribute (Parent_Relationship_Ref -> R1) is the from-attribute
+ fk = next(a for a in trade.attributes if a.name == "counterparty_id")
+ assert rel.from_.attributes == [fk.id]
+
+
+def test_subtype_becomes_category():
+ m = _import().model
+ cp = next(le for le in m.logical_entities.values() if le.name == "counterparty")
+ inst = next(le for le in m.logical_entities.values() if le.name == "institution")
+ cat = next(iter(m.categories.values()))
+ assert cat.supertype == cp.id
+ assert inst.id in cat.subtypes
+ # the subtype relationship is NOT also a plain relationship
+ assert all(r.name != "cpty_is_institution" for r in m.relationships.values())
+
+
+def test_subject_area_membership():
+ m = _import().model
sa = next(iter(m.subject_areas.values()))
assert sa.name == "Trading"
- cpty_ce = next(c for c in m.conceptual_entities.values() if c.name == "Counterparty")
- assert cpty_ce.subject_area == sa.id
+ cp = next(le for le in m.logical_entities.values() if le.name == "counterparty")
+ tr = next(le for le in m.logical_entities.values() if le.name == "trade")
+ assert cp.realises in sa.members
+ assert tr.realises in sa.members
-def test_import_erwin_relationship():
- m = import_erwin(_ERWIN)
- assert len(m.relationships) == 1
- rel = next(iter(m.relationships.values()))
- assert rel.cardinality == "many_to_one"
- # many side = Trade, one side = Counterparty
- trade = next(le for le in m.logical_entities.values() if le.name == "trade")
- cpty = next(le for le in m.logical_entities.values() if le.name == "counterparty")
- assert rel.from_.entity == trade.id
- assert rel.to.entity == cpty.id
+def test_domain_imported():
+ m = _import().model
+ assert any(d.name == "id_type" for d in m.domains.values())
-def test_imported_erwin_model_validates():
- m = import_erwin(_ERWIN)
- diags = validate(m)
- assert not diags.has(Severity.error), [d.message for d in diags.items]
+def test_unknown_objects_warn_not_fail():
+ r = _import()
+ joined = " ".join(r.warnings).lower()
+ assert "view" in joined # a View was skipped
+ assert "layout" in joined or "diagram" in joined # ER_Diagram layout dropped
+ # nested Attribute/Key_Group are NOT reported as skipped Model-level objects
+ assert "attribute" not in joined
+ assert "key_group" not in joined
-def test_import_erwin_tolerates_unknown_elements():
- xml = """\
-
- ignored
-"""
- m = import_erwin(xml)
- assert len(m.logical_entities) == 1
-
-
-def test_import_populates_subject_area_members():
- """erwin's is a container of objects, not just a tag. The flat
- form seeds members from the home tag; the nested form carries the real
- many-to-many, where one entity sits in several areas."""
- xml = """
-
-
-
-
-
-
-
-
- """
- model = import_erwin(xml)
- by_name = {sa.name: sa for sa in model.subject_areas.values()}
- ce = {c.name: c.id for c in model.conceptual_entities.values()}
-
- # flat form: seeded from the home tag
- assert set(by_name["Trading"].members) == {ce["Counterparty"], ce["Trade"]}
- # nested form: the same objects also belong to the use-case view
- assert set(by_name["UseCase-StressTesting"].members) == {ce["Counterparty"], ce["Trade"]}
- assert validate(model).by_min_severity(Severity.error) == []
+def test_imported_model_validates():
+ m = _import().model
+ diags = validate(m)
+ # a clean import should not produce ERROR diagnostics (warnings are fine)
+ assert not diags.has(Severity.error), [d.message for d in diags.items if d.severity == Severity.error]
+
+
+def _big_erwin(n_entities: int) -> str:
+ """Generate a large real-shaped erwin export with n_entities, each with 8 attributes
+ and a pk, plus a chain of relationships — to exercise the streaming parser."""
+ parts = [
+ '',
+ '',
+ '',
+ "Big ",
+ ]
+ for i in range(n_entities):
+ attrs = "".join(
+ f'col_{j} '
+ f"VARCHAR(50) entity_{i} id_{i} "
+ f"pk_{i} '
+ f"Primary_Key '
+ f"A{i}_pk ")
+ for i in range(1, n_entities):
+ parts.append(
+ f'r_{i} '
+ f"E{i - 1} "
+ f"E{i} ")
+ return "".join(parts)
+
+
+def test_streaming_large_export():
+ # ~a few thousand entities: a multi-MB document the streaming parser handles.
+ xml = _big_erwin(2000)
+ assert len(xml.encode()) > 1_000_000 # >1MB
+ r = import_erwin(xml)
+ assert len(r.model.logical_entities) == 2000
+ assert len(r.model.relationships) == 1999
+ # every entity got its pk key group
+ assert sum(1 for k in r.model.key_groups.values() if k.type == "pk") == 2000
diff --git a/packages/server/src/mdl_server/app.py b/packages/server/src/mdl_server/app.py
index e43b95c..8eb043c 100644
--- a/packages/server/src/mdl_server/app.py
+++ b/packages/server/src/mdl_server/app.py
@@ -218,15 +218,29 @@ def export_formats() -> JSONResponse:
@app.post("/api/import")
def import_model(body: dict) -> JSONResponse:
"""Parse an interchange document into a change list the client can preview and
- propose. Accepts {format: sql|mermaid|json-schema, content, dialect?}. Writes
+ propose. Accepts {format: sql|mermaid|json-schema|erwin, content, dialect?}. Writes
nothing itself."""
from mdl_emit_erd.imports import parse_json_schema, parse_mermaid, parse_sql_ddl
- from mdl_emit_erd.imports.model import to_commands
+ from mdl_emit_erd.imports.model import model_to_commands, to_commands
fmt = body.get("format", "")
content = body.get("content", "")
if not content:
return JSONResponse({"ok": False, "error": "content is empty"}, status_code=422)
+ if fmt == "erwin":
+ # erwin produces a RICH Model (subject areas, categories, domains) → the
+ # model_to_commands bridge, not the thin table-oriented parsers.
+ from mdl_reverse.erwin import import_erwin
+
+ result = import_erwin(content)
+ return JSONResponse(
+ {
+ "ok": True,
+ "changes": model_to_commands(result.model),
+ "tables": len(result.model.logical_entities),
+ "warnings": result.warnings,
+ }
+ )
if fmt == "sql":
imported = parse_sql_ddl(content, dialect=body.get("dialect") or "postgres")
elif fmt == "mermaid":
diff --git a/packages/server/src/mdl_server/projection.py b/packages/server/src/mdl_server/projection.py
index 1bff4e6..f771129 100644
--- a/packages/server/src/mdl_server/projection.py
+++ b/packages/server/src/mdl_server/projection.py
@@ -162,6 +162,7 @@ def project(model: Model, *, subject_area: str | None = None) -> dict:
{
"id": le.id,
"name": le.name,
+ "physical_name": le.physical_name,
"definition": le.definition,
"pattern": le.pattern,
"conceptual": conceptual,
@@ -172,6 +173,7 @@ def project(model: Model, *, subject_area: str | None = None) -> dict:
{
"id": a.id,
"name": a.name,
+ "physical_name": a.physical_name,
"definition": a.definition,
"domain": a.domain,
"role": a.role,
@@ -222,6 +224,9 @@ def project(model: Model, *, subject_area: str | None = None) -> dict:
"cardinality": rel.cardinality,
"identifying": rel.identifying,
"optionality": rel.optionality,
+ # erwin verb phrases: " " and the inverse
+ "verb_phrase": rel.verb_phrase,
+ "inverse_verb_phrase": rel.inverse_verb_phrase,
}
)
diff --git a/packages/server/src/mdl_server/static/assets/ModelDiagram-B_FcBTxi.js b/packages/server/src/mdl_server/static/assets/ModelDiagram-DfdI4kly.js
similarity index 97%
rename from packages/server/src/mdl_server/static/assets/ModelDiagram-B_FcBTxi.js
rename to packages/server/src/mdl_server/static/assets/ModelDiagram-DfdI4kly.js
index 3addb64..d9ade3e 100644
--- a/packages/server/src/mdl_server/static/assets/ModelDiagram-B_FcBTxi.js
+++ b/packages/server/src/mdl_server/static/assets/ModelDiagram-DfdI4kly.js
@@ -1 +1 @@
-import{r,j as s}from"./client-DOmNpTln.js";import{f as T,t as _,u as O,v as R,E as D,B as P,C as z,w as A}from"./styles-DijBTcQg.js";const V={entity:D},$={relationship:R},l={breaking:"#f87171",additive:"#34d399",cosmetic:"#fcd34d"},N=["#5eead4","#fcd34d","#a78bfa","#fb923c","#38bdf8","#f472b6","#a3e635"],d="#64748b";function Y({subjectArea:u,severityByUlid:a,focusUlid:m,onSelect:c}){const[t,g]=r.useState(null),[f,w]=r.useState(null),[h,E]=r.useState(!0);r.useEffect(()=>{g(null),T(u).then(g).catch(n=>w(String(n)))},[u]);const{nodes:k,edges:M}=r.useMemo(()=>{if(!t)return{nodes:[],edges:[]};const n=new Map;t.subject_areas.forEach(e=>{let o=2166136261;for(let i=0;i[e.id,e])),b=a&&a.size>0,C=t.entities.map(e=>{var j;const o=(a==null?void 0:a.get(e.id))??(e.conceptual?a==null?void 0:a.get(e.conceptual.id):void 0),i=b?o?l[o]??d:d:(j=e.conceptual)!=null&&j.subject_area?n.get(e.conceptual.subject_area.id)??d:d;return{id:e.id,type:"entity",position:{x:0,y:0},data:{entity:e,color:i,dimmed:!!(b&&!o),highlighted:e.id===m,showTypes:h}}}),x=t.relationships.map(e=>({id:e.id,source:e.from.entity,target:e.to.entity,type:"relationship",data:{relationship:e,dimmed:!1}}));return{nodes:_(C,x,p),edges:x}},[t,a,m,h]);return f?s.jsx("p",{className:"sme-splash error",children:f}):t?t.entities.length?s.jsxs("div",{className:"erd-wrap",children:[s.jsxs("div",{className:"erd-bar",children:[s.jsxs("span",{className:"erd-count",children:[t.entities.length," entities · ",t.relationships.length," relationships",t.scope&&" · scoped"]}),s.jsxs("label",{className:"erd-toggle",children:[s.jsx("input",{type:"checkbox",checked:h,onChange:n=>E(n.target.checked)}),"show types"]}),a&&a.size>0&&s.jsxs("span",{className:"erd-legend",children:[s.jsx("span",{className:"sw",style:{background:l.breaking}})," breaking",s.jsx("span",{className:"sw",style:{background:l.additive}})," added",s.jsx("span",{className:"sw",style:{background:l.cosmetic}})," changed",s.jsx("span",{className:"sw",style:{background:d}})," unchanged"]})]}),s.jsx("div",{className:"erd-canvas",children:s.jsxs(O,{nodes:k,edges:M,nodeTypes:V,edgeTypes:$,fitView:!0,minZoom:.1,nodesConnectable:!1,onNodeClick:(n,p)=>c==null?void 0:c(p.id),onPaneClick:()=>c==null?void 0:c(null),onlyRenderVisibleElements:!0,proOptions:{hideAttribution:!0},children:[s.jsx(P,{gap:16,color:"#1f2937"}),s.jsx(z,{showInteractive:!1}),s.jsx(A,{pannable:!0,zoomable:!0})]})})]}):s.jsx("p",{className:"sme-placeholder",children:"Nothing to draw — this subject area has no entities in it yet."}):s.jsx("div",{className:"sme-splash",children:"◮ drawing the model…"})}export{Y as ModelDiagram};
+import{r,j as s}from"./client-DOmNpTln.js";import{f as T,t as _,u as O,v as R,E as D,B as P,C as z,w as A}from"./styles-CIm9mWtD.js";const V={entity:D},$={relationship:R},l={breaking:"#f87171",additive:"#34d399",cosmetic:"#fcd34d"},N=["#5eead4","#fcd34d","#a78bfa","#fb923c","#38bdf8","#f472b6","#a3e635"],d="#64748b";function Y({subjectArea:u,severityByUlid:a,focusUlid:m,onSelect:c}){const[t,g]=r.useState(null),[f,w]=r.useState(null),[h,E]=r.useState(!0);r.useEffect(()=>{g(null),T(u).then(g).catch(n=>w(String(n)))},[u]);const{nodes:k,edges:M}=r.useMemo(()=>{if(!t)return{nodes:[],edges:[]};const n=new Map;t.subject_areas.forEach(e=>{let o=2166136261;for(let i=0;i[e.id,e])),b=a&&a.size>0,C=t.entities.map(e=>{var j;const o=(a==null?void 0:a.get(e.id))??(e.conceptual?a==null?void 0:a.get(e.conceptual.id):void 0),i=b?o?l[o]??d:d:(j=e.conceptual)!=null&&j.subject_area?n.get(e.conceptual.subject_area.id)??d:d;return{id:e.id,type:"entity",position:{x:0,y:0},data:{entity:e,color:i,dimmed:!!(b&&!o),highlighted:e.id===m,showTypes:h}}}),x=t.relationships.map(e=>({id:e.id,source:e.from.entity,target:e.to.entity,type:"relationship",data:{relationship:e,dimmed:!1}}));return{nodes:_(C,x,p),edges:x}},[t,a,m,h]);return f?s.jsx("p",{className:"sme-splash error",children:f}):t?t.entities.length?s.jsxs("div",{className:"erd-wrap",children:[s.jsxs("div",{className:"erd-bar",children:[s.jsxs("span",{className:"erd-count",children:[t.entities.length," entities · ",t.relationships.length," relationships",t.scope&&" · scoped"]}),s.jsxs("label",{className:"erd-toggle",children:[s.jsx("input",{type:"checkbox",checked:h,onChange:n=>E(n.target.checked)}),"show types"]}),a&&a.size>0&&s.jsxs("span",{className:"erd-legend",children:[s.jsx("span",{className:"sw",style:{background:l.breaking}})," breaking",s.jsx("span",{className:"sw",style:{background:l.additive}})," added",s.jsx("span",{className:"sw",style:{background:l.cosmetic}})," changed",s.jsx("span",{className:"sw",style:{background:d}})," unchanged"]})]}),s.jsx("div",{className:"erd-canvas",children:s.jsxs(O,{nodes:k,edges:M,nodeTypes:V,edgeTypes:$,fitView:!0,minZoom:.1,nodesConnectable:!1,onNodeClick:(n,p)=>c==null?void 0:c(p.id),onPaneClick:()=>c==null?void 0:c(null),onlyRenderVisibleElements:!0,proOptions:{hideAttribution:!0},children:[s.jsx(P,{gap:16,color:"#1f2937"}),s.jsx(z,{showInteractive:!1}),s.jsx(A,{pannable:!0,zoomable:!0})]})})]}):s.jsx("p",{className:"sme-placeholder",children:"Nothing to draw — this subject area has no entities in it yet."}):s.jsx("div",{className:"sme-splash",children:"◮ drawing the model…"})}export{Y as ModelDiagram};
diff --git a/packages/server/src/mdl_server/static/assets/main-CkEXCrfC.js b/packages/server/src/mdl_server/static/assets/main-CZFuiW_s.js
similarity index 99%
rename from packages/server/src/mdl_server/static/assets/main-CkEXCrfC.js
rename to packages/server/src/mdl_server/static/assets/main-CZFuiW_s.js
index f5618d1..b1e4d95 100644
--- a/packages/server/src/mdl_server/static/assets/main-CkEXCrfC.js
+++ b/packages/server/src/mdl_server/static/assets/main-CZFuiW_s.js
@@ -1,2 +1,2 @@
-import{j as e,r as a,c as Y,R as Z}from"./client-DOmNpTln.js";import{I as O,R as ee,P as U,f as _,a as V,g as z,s as te,A as ne,b as se,M as ae,S as re}from"./styles-DijBTcQg.js";function oe(n){return{canEdit:!n,mode:"direct",canArbitrate:!n,canCommit:!n}}function le({doc:n,diagnostics:l,query:x,onQuery:u,onSubmitQuery:m,showTypes:d,onToggleTypes:h,collapseDetail:j,onToggleCollapse:y,onFitView:T,onRelayout:R,onRefresh:P,saColors:I,readOnly:g,dirty:L,panelTab:A,onPanelTab:B,onNewEntity:M,exec:b,onImported:E,onImportBatch:F,openImport:v}){const C=(l==null?void 0:l.items.filter(o=>o.severity==="error").length)??0,w=(l==null?void 0:l.items.filter(o=>o.severity==="warning").length)??0,i=(o,N,K,f)=>e.jsx("button",{className:"tool-btn"+(A===o?" active":"")+(f?" badged":""),onClick:()=>B(o),title:K,children:N});return e.jsxs("header",{className:"topbar",children:[e.jsxs("div",{className:"brand",children:[e.jsx("span",{className:"logo",children:"◮"}),e.jsx("span",{className:"brand-name",children:"Modelith"}),e.jsx("span",{className:"project-name",children:n.project.name}),g&&e.jsx("span",{className:"chip",children:"read-only"})]}),e.jsx("input",{className:"search",type:"search",placeholder:"Search entities & attributes… ( / , Enter jumps )",value:x,onChange:o=>u(o.target.value),onKeyDown:o=>{o.key==="Enter"&&m()},id:"mdl-search"}),e.jsx("div",{className:"legend",children:n.subject_areas.map(o=>e.jsxs("span",{className:"legend-item",children:[e.jsx("span",{className:"swatch",style:{background:I.get(o.id)}}),o.name]},o.id))}),e.jsxs("div",{className:"stats",children:[e.jsxs("span",{title:"entities",children:[n.counts.entities," ⬛"]}),e.jsxs("span",{title:"relationships",children:[n.counts.relationships," ⤳"]}),l&&e.jsx("span",{className:"diag-chip"+(C?" err":w?" warn":" ok"),title:l.items.map(o=>`${o.code} ${o.message}`).join(`
+import{j as e,r as a,c as Y,R as Z}from"./client-DOmNpTln.js";import{I as O,R as ee,P as U,f as _,a as V,g as z,s as te,A as ne,b as se,M as ae,S as re}from"./styles-CIm9mWtD.js";function oe(n){return{canEdit:!n,mode:"direct",canArbitrate:!n,canCommit:!n}}function le({doc:n,diagnostics:l,query:x,onQuery:u,onSubmitQuery:m,showTypes:d,onToggleTypes:h,collapseDetail:j,onToggleCollapse:y,onFitView:T,onRelayout:R,onRefresh:P,saColors:I,readOnly:g,dirty:L,panelTab:A,onPanelTab:B,onNewEntity:M,exec:b,onImported:E,onImportBatch:F,openImport:v}){const C=(l==null?void 0:l.items.filter(o=>o.severity==="error").length)??0,w=(l==null?void 0:l.items.filter(o=>o.severity==="warning").length)??0,i=(o,N,K,f)=>e.jsx("button",{className:"tool-btn"+(A===o?" active":"")+(f?" badged":""),onClick:()=>B(o),title:K,children:N});return e.jsxs("header",{className:"topbar",children:[e.jsxs("div",{className:"brand",children:[e.jsx("span",{className:"logo",children:"◮"}),e.jsx("span",{className:"brand-name",children:"Modelith"}),e.jsx("span",{className:"project-name",children:n.project.name}),g&&e.jsx("span",{className:"chip",children:"read-only"})]}),e.jsx("input",{className:"search",type:"search",placeholder:"Search entities & attributes… ( / , Enter jumps )",value:x,onChange:o=>u(o.target.value),onKeyDown:o=>{o.key==="Enter"&&m()},id:"mdl-search"}),e.jsx("div",{className:"legend",children:n.subject_areas.map(o=>e.jsxs("span",{className:"legend-item",children:[e.jsx("span",{className:"swatch",style:{background:I.get(o.id)}}),o.name]},o.id))}),e.jsxs("div",{className:"stats",children:[e.jsxs("span",{title:"entities",children:[n.counts.entities," ⬛"]}),e.jsxs("span",{title:"relationships",children:[n.counts.relationships," ⤳"]}),l&&e.jsx("span",{className:"diag-chip"+(C?" err":w?" warn":" ok"),title:l.items.map(o=>`${o.code} ${o.message}`).join(`
`)||"model valid",children:C?`${C} ✗`:w?`${w} ⚠`:"✓ valid"})]}),e.jsxs("div",{className:"actions",children:[!g&&e.jsx("button",{className:"tool-btn primary",onClick:M,title:"New entity (n)",children:"+ Entity"}),i("ontology","⬡","Ontology browser"),i("layers","≣","Four-layer stack & coverage"),i("changes","±",L?"Uncommitted changes!":"Changes",L),i("decisions","⚖","Decision ledger"),e.jsx("span",{className:"divider"}),e.jsx("button",{className:"tool-btn"+(d?" active":""),onClick:h,title:"Toggle data types",children:"{T}"}),e.jsx("button",{className:"tool-btn"+(j?" active":""),onClick:y,title:"Collapse to keys (PK + FK only) — readable for large models",children:"⇕"}),e.jsx("button",{className:"tool-btn",onClick:P,title:"Refresh from disk (picks up terminal / external edits)",children:"⟳"}),e.jsx(ce,{onRelayout:R}),e.jsx("button",{className:"tool-btn",onClick:T,title:"Fit view",children:"⛶"}),e.jsx("span",{className:"divider"}),e.jsx(O,{exec:b,canEdit:!g,onImported:E,submitLabel:"Import",buttonClass:"tool-btn",applyBatch:F,openImport:v})]})]})}function ce({onRelayout:n}){const[l,x]=a.useState(!1),u=a.useRef(null);a.useEffect(()=>{if(!l)return;const d=h=>{u.current&&!u.current.contains(h.target)&&x(!1)};return document.addEventListener("mousedown",d),()=>document.removeEventListener("mousedown",d)},[l]);const m=d=>{n(d),x(!1)};return e.jsxs("div",{className:"layout-picker",ref:u,children:[e.jsx("button",{className:"tool-btn",onClick:()=>n("auto"),title:"Auto-layout",children:"⌗"}),e.jsx("button",{className:"tool-btn caret"+(l?" active":""),onClick:()=>x(d=>!d),title:"Layout style",children:"▾"}),l&&e.jsxs("div",{className:"layout-menu",role:"menu",children:[e.jsx("button",{onClick:()=>m("auto"),children:"Auto (by size)"}),e.jsx("button",{onClick:()=>m("hierarchical"),children:"Hierarchical"}),e.jsx("button",{onClick:()=>m("grid"),children:"Grid"})]})]})}function ie(){const[n,l]=a.useState(null),[x,u]=a.useState(null),[m,d]=a.useState(null),[h,j]=a.useState(null),[y,T]=a.useState(""),[R,P]=a.useState(!0),[I,g]=a.useState(!1),[L,A]=a.useState(()=>new Set),[B,M]=a.useState(null),[b,E]=a.useState(null),[F,v]=a.useState(!1),[C,w]=a.useState(0),i=a.useRef(null),o=a.useRef(""),N=a.useRef(!1),K=a.useMemo(()=>{const t=new Map;return n==null||n.subject_areas.forEach((r,s)=>t.set(r.id,U[s%U.length])),t},[n]),f=(n==null?void 0:n.read_only)??!0,G=a.useMemo(()=>oe(f),[f]),D=a.useMemo(()=>new URLSearchParams(window.location.search),[]),k=D.get("minimal")==="1";a.useEffect(()=>{k&&g(!0)},[k]);const H=a.useCallback(t=>{A(r=>{const s=new Set(r);return s.has(t)?s.delete(t):s.add(t),s})},[]),X=D.get("import")==="1",$=a.useRef(!1),p=a.useCallback(()=>{_().then(l).catch(t=>d(String(t))),V().then(u).catch(()=>u(null)),z().then(t=>v(!!(t.git&&!t.clean))).catch(()=>v(!1)),w(t=>t+1)},[]);a.useEffect(p,[p]),a.useEffect(()=>{const t=setInterval(()=>{_().then(r=>{l(s=>s&&r.fingerprint===s.fingerprint?s:(N.current||(o.current=r.fingerprint),k||(V().then(u).catch(()=>u(null)),z().then(c=>v(!!(c.git&&!c.clean))).catch(()=>v(!1))),w(c=>c+1),r))}).catch(()=>{})},3e3);return()=>clearInterval(t)},[k]),a.useEffect(()=>{n!=null&&n.fingerprint&&(o.current=n.fingerprint)},[n]);const q=a.useCallback(async(t,r)=>{if(n){N.current=!0;try{const s=await te(t,r,o.current||n.fingerprint);return s!=null&&s.fingerprint&&(o.current=s.fingerprint),p(),s}catch(s){throw s instanceof ne&&s.status===409?(j("Model changed on disk — view refreshed, please retry."),p()):j(s instanceof Error?s.message:String(s)),s}finally{N.current=!1}}},[n,p]);a.useEffect(()=>{if(!h)return;const t=setTimeout(()=>j(null),5e3);return()=>clearTimeout(t)},[h]),a.useEffect(()=>{if(!n||$.current)return;const t=D.get("focus");if(!t)return;const r=n.entities.find(s=>{var c;return s.name===t||((c=s.conceptual)==null?void 0:c.name)===t});r&&($.current=!0,requestAnimationFrame(()=>{var s;return(s=i.current)==null?void 0:s.focusEntity(r.id)}))},[n,D]);const J=a.useCallback(()=>{var s;if(!n)return;const t=y.trim().toLowerCase();if(!t)return;const r=n.entities.find(c=>{var S;return(c.name.toLowerCase()+" "+(((S=c.conceptual)==null?void 0:S.name.toLowerCase())??"")+" "+c.attributes.map(W=>W.name.toLowerCase()).join(" ")).includes(t)});r&&((s=i.current)==null||s.focusEntity(r.id))},[n,y]);return a.useEffect(()=>{const t=r=>{var c,Q,S;const s=(c=document.activeElement)==null?void 0:c.tagName;s==="INPUT"||s==="TEXTAREA"||s==="SELECT"||(r.key==="/"&&(r.preventDefault(),(Q=document.getElementById("mdl-search"))==null||Q.focus()),r.key==="n"&&!f&&((S=i.current)==null||S.newEntity()),r.key==="Escape"&&(M(null),T(""),E(null)))};return window.addEventListener("keydown",t),()=>window.removeEventListener("keydown",t)},[f]),m?e.jsxs("div",{className:"splash error",children:[e.jsxs("h1",{children:["◮"," Modelith"]}),e.jsx("p",{children:"Could not load the model:"}),e.jsx("pre",{children:m}),e.jsxs("p",{children:["Is ",e.jsx("code",{children:"mdl serve"})," pointed at a model directory?"]})]}):n?e.jsxs("div",{className:"app",children:[!k&&e.jsx(le,{doc:n,diagnostics:x,query:y,onQuery:T,onSubmitQuery:J,showTypes:R,onToggleTypes:()=>P(t=>!t),collapseDetail:I,onToggleCollapse:()=>g(t=>!t),onFitView:()=>{var t;return(t=i.current)==null?void 0:t.fitView()},onRelayout:t=>{var r;return(r=i.current)==null?void 0:r.relayout(t)},onRefresh:p,saColors:K,readOnly:f,dirty:F,panelTab:b,onPanelTab:t=>E(r=>r===t?null:t),onNewEntity:()=>{var t;return(t=i.current)==null?void 0:t.newEntity()},exec:q,onImported:p,onImportBatch:se,openImport:X}),e.jsxs("div",{className:"canvas-wrap",children:[e.jsx(ae,{doc:n,caps:G,exec:q,selectedId:b?null:B,onSelect:M,query:y,showTypes:R,collapseDetail:I,expandedEntities:L,onToggleExpand:H,onError:j,handleRef:i}),b&&e.jsx(re,{tab:b,onClose:()=>E(null),readOnly:f,refreshKey:C,onModelChanged:p,onFocusEntity:t=>{var r;E(null),(r=i.current)==null||r.focusEntity(t)}}),h&&e.jsx("div",{className:"toast",children:h})]})]}):e.jsxs("div",{className:"splash",children:["◮"," loading model…"]})}function ue(){return e.jsx(ee,{children:e.jsx(ie,{})})}Y.createRoot(document.getElementById("root")).render(e.jsx(Z.StrictMode,{children:e.jsx(ue,{})}));
diff --git a/packages/server/src/mdl_server/static/assets/sme-eqoZCV5z.js b/packages/server/src/mdl_server/static/assets/sme-Ji3JtE2B.js
similarity index 99%
rename from packages/server/src/mdl_server/static/assets/sme-eqoZCV5z.js
rename to packages/server/src/mdl_server/static/assets/sme-Ji3JtE2B.js
index 81eb83c..6bddc66 100644
--- a/packages/server/src/mdl_server/static/assets/sme-eqoZCV5z.js
+++ b/packages/server/src/mdl_server/static/assets/sme-Ji3JtE2B.js
@@ -1,2 +1,2 @@
-const __vite__mapDeps=(i,m=__vite__mapDeps,d=(m.f||(m.f=["assets/ModelDiagram-B_FcBTxi.js","assets/client-DOmNpTln.js","assets/styles-DijBTcQg.js","assets/styles-CJ3Gp-TF.css"])))=>i.map(i=>d[i]);
-import{r as n,j as e,c as Ae,R as Ee}from"./client-DOmNpTln.js";import{p as pe,c as je,d as xe,e as $e,h as be,I as Re,R as Me,M as De,O as Pe,L as Ie,i as Oe,j as Te,A as Be,k as Le,l as Fe,m as ze,o as qe,s as We,f as le,n as Ge,q as He,r as Ve}from"./styles-DijBTcQg.js";/* empty css */const Ke="0123456789ABCDEFGHJKMNPQRSTVWXYZ";function ce(s,t){let a="";for(let l=0;l>=5n;return a}function ge(){const s=BigInt(Date.now())&(1n<<48n)-1n,t=new Uint8Array(10);crypto.getRandomValues(t);let a=0n;for(const l of t)a=a<<8n|BigInt(l);return ce(s,10)+ce(a,16)}const Ue={create_entity:["id","conceptual_id"],create_relationship:["id","from_fk_id"],create_subject_area:["id"],create_term:["id"],create_domain:["id"],create_code_set:["id"],create_key_group:["id"],create_category:["id"],add_attribute:["id"]};function Ye(s,t){const a=Ue[s];if(!a)return t;const l={...t};for(const i of a)l[i]||(l[i]=ge());return l}function 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similarity index 73%
rename from packages/server/src/mdl_server/static/assets/styles-CJ3Gp-TF.css
rename to packages/server/src/mdl_server/static/assets/styles-BJW39REh.css
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--- a/packages/server/src/mdl_server/static/assets/styles-CJ3Gp-TF.css
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diff --git a/packages/server/src/mdl_server/static/assets/styles-CIm9mWtD.js b/packages/server/src/mdl_server/static/assets/styles-CIm9mWtD.js
new file mode 100644
index 0000000..f6d5142
--- /dev/null
+++ b/packages/server/src/mdl_server/static/assets/styles-CIm9mWtD.js
@@ -0,0 +1,23 @@
+var qa=Object.defineProperty;var Xa=(e,t,n)=>t in e?qa(e,t,{enumerable:!0,configurable:!0,writable:!0,value:n}):e[t]=n;var le=(e,t,n)=>Xa(e,typeof t!="symbol"?t+"":t,n);import{r as w,g as li,R as A,j as f}from"./client-DOmNpTln.js";function pe(e){if(typeof e=="string"||typeof e=="number")return""+e;let t="";if(Array.isArray(e))for(let n=0,r;n"u"||typeof window.document>"u"||typeof window.document.createElement>"u"?rl:nl;fi.useSyncExternalStore=_t.useSyncExternalStore!==void 0?_t.useSyncExternalStore:sl;di.exports=fi;var il=di.exports;/**
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+ * use-sync-external-store-shim/with-selector.production.js
+ *
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
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diff --git a/packages/server/src/mdl_server/static/assets/styles-DijBTcQg.js b/packages/server/src/mdl_server/static/assets/styles-DijBTcQg.js
deleted file mode 100644
index 5a944a2..0000000
--- a/packages/server/src/mdl_server/static/assets/styles-DijBTcQg.js
+++ /dev/null
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h.jsxs("aside",{className:"detail-panel",children:[h.jsxs("div",{className:"detail-header",children:[h.jsxs("div",{style:{flex:1},children:[h.jsx(Dt,{value:e.name,className:"entity-title-input",readOnly:l,onCommit:j=>r("rename_entity",{id:e.id,name:j})}),h.jsxs("div",{children:[h.jsx(Mm,{entity:e,doc:t,readOnly:l,exec:r}),h.jsx(Im,{entity:e,readOnly:l,exec:r}),e.category&&h.jsx("span",{className:"cat-badge "+e.category.role,title:e.category.role==="supertype"?`Supertype of category "${e.category.category}"`:`Subtype in "${e.category.category}" (${e.category.materialization})`,children:e.category.role==="supertype"?"◆ supertype":"◇ subtype"})]})]}),h.jsx("button",{className:"icon-btn",onClick:s,title:"Close",children:"✕"})]}),h.jsxs("section",{children:[h.jsx("h3",{children:"Definition"}),h.jsx(Dt,{value:((m=c==null?void 0:c.definition)==null?void 0:m.trim())??"",multiline:!0,placeholder:l?"—":"add a business 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0:C.subject_template)&&h.jsxs("div",{className:"kv",children:[h.jsx("span",{className:"k",children:"subject"}),h.jsx("code",{className:"v",children:e.term_map.subject_template})]})]}):h.jsxs("p",{className:"empty-hint",children:["uses the default R2RML term-map (base IRI",t.project.kg_base_iri?` ${t.project.kg_base_iri}`:""," + primary key)"]})]}),h.jsxs("section",{children:[h.jsx("h3",{children:"Stewardship"}),h.jsxs("div",{className:"kv",children:[h.jsx("span",{className:"k",children:"owner"}),h.jsx(Dt,{value:((N=c==null?void 0:c.stewardship)==null?void 0:N.owner)??"",placeholder:"—",readOnly:l,onCommit:j=>{var T;return r("set_stewardship",{id:e.id,owner:j,steward:((T=c==null?void 0:c.stewardship)==null?void 0:T.steward)??null})}})]}),h.jsxs("div",{className:"kv",children:[h.jsx("span",{className:"k",children:"steward"}),h.jsx(Dt,{value:((D=c==null?void 0:c.stewardship)==null?void 0:D.steward)??"",placeholder:"—",readOnly:l,onCommit:j=>{var T;return r("set_stewardship",{id:e.id,owner:((T=c==null?void 0:c.stewardship)==null?void 0:T.owner)??null,steward:j})}})]})]}),h.jsxs("section",{children:[h.jsxs("h3",{children:["Attributes (",e.attributes.length,")"]}),h.jsx("table",{className:"attr-table",children:h.jsx("tbody",{children:e.attributes.map(j=>h.jsx(Tm,{a:j,entity:e,doc:t,readOnly:l,exec:r},j.id))})}),!l&&h.jsx(Om,{entity:e,exec:r})]}),e.key_groups&&e.key_groups.length>0&&h.jsxs("section",{children:[h.jsxs("h3",{children:["Keys (",e.key_groups.length,")"]}),e.key_groups.map(j=>{const T=j.members.map(H=>{var V;return((V=e.attributes.find(F=>F.id===H))==null?void 0:V.name)??"?"}).join(", ");return h.jsxs("div",{className:"key-row",children:[h.jsx("span",{className:"key-badge "+j.type,children:j.type.toUpperCase()}),h.jsx("span",{className:"key-name",children:j.name}),h.jsx("span",{className:"key-cols",children:T})]},j.id)})]}),e.udp&&Object.keys(e.udp).length>0&&h.jsxs("section",{children:[h.jsx("h3",{children:"Properties 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Dt({value:e,onCommit:t,readOnly:n,multiline:r=!1,placeholder:s="",className:i=""}){const[o,a]=w.useState(e);w.useEffect(()=>a(e),[e]);const l=()=>{o.trim()!==e.trim()&&t(o.trim())};return n?h.jsx("span",{className:i,children:e||s}):r?h.jsx("textarea",{className:`edit-input ${i}`,value:o,placeholder:s,rows:3,onChange:c=>a(c.target.value),onBlur:l}):h.jsx("input",{className:`edit-input ${i}`,value:o,placeholder:s,onChange:c=>a(c.target.value),onBlur:l,onKeyDown:c=>c.key==="Enter"&&c.target.blur()})}function Mm({entity:e,doc:t,readOnly:n,exec:r}){var i,o,a;const s=((o=(i=e.conceptual)==null?void 0:i.subject_area)==null?void 0:o.id)??"";return n?(a=e.conceptual)!=null&&a.subject_area?h.jsx("span",{className:"chip",children:e.conceptual.subject_area.name}):null:h.jsxs("select",{className:"chip-select",value:s,onChange:l=>r("set_subject_area",{id:e.id,subject_area:l.target.value||null}),children:[h.jsx("option",{value:"",children:"no subject 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0:b.hint}),o==="sql"&&h.jsxs("label",{className:"ie-dialect",children:[h.jsx("span",{children:"dialect"}),h.jsx("select",{value:l,onChange:k=>c(k.target.value),children:["postgres","snowflake","mysql","duckdb"].map(k=>h.jsx("option",{children:k},k))})]}),h.jsx("textarea",{className:"ie-textarea",placeholder:`Paste ${o} here, or choose a file…`,value:u,onChange:k=>d(k.target.value),rows:8}),h.jsx("input",{type:"file",className:"ie-file",accept:".sql,.mmd,.md,.json,.txt",onChange:k=>{var C;return _(((C=k.target.files)==null?void 0:C[0])??null)}}),o==="mermaid"&&h.jsx("p",{className:"ie-warn",children:"Mermaid is a diagram format: types and keys are approximate and relationships are inferred from the lines."}),v.map((k,C)=>h.jsx("p",{className:"ie-warn",children:k},C)),y&&h.jsx("p",{className:"ie-error",children:y}),h.jsxs("div",{className:"ie-foot",children:[h.jsx("button",{className:n,onClick:s,children:"Cancel"}),h.jsx("button",{className:n,disabled:m||!u.trim(),onClick:$,children:m?"Importing…":t})]})]})}export{Po as A,dm as B,im as C,km as E,Rx as I,ox as L,Ax as M,sx as O,ii as P,Mo as R,Ix as S,hx as a,Ex as b,vx as c,Sx as d,kx as e,fx as f,gm as g,jx as h,_x as i,gx as j,yx as k,xx as l,bx as m,wx as n,zo as o,Nx as p,mx as q,px as r,pm as s,ri as t,Io as u,ex as v,Qh as w};
diff --git a/packages/server/src/mdl_server/static/index.html b/packages/server/src/mdl_server/static/index.html
index f52cf64..2cf9518 100644
--- a/packages/server/src/mdl_server/static/index.html
+++ b/packages/server/src/mdl_server/static/index.html
@@ -4,10 +4,10 @@
Modelith
-
+
diff --git a/packages/server/src/mdl_server/static/sme.html b/packages/server/src/mdl_server/static/sme.html
index 37b4fd2..27e4cfe 100644
--- a/packages/server/src/mdl_server/static/sme.html
+++ b/packages/server/src/mdl_server/static/sme.html
@@ -4,10 +4,10 @@
Modelith Glossary
-
+
`, ``,
+`parent=`/`child=` by name). Real erwin is nothing like it: namespaced (`http://www.erwin.com/dm/data`),
+GUID-referenced, and every object stores its data as child-element TEXT inside a sibling ``
+element — never as XML attributes. It silently "skips unrecognised structure", so on a real export it
+produces an empty model. This is a full rewrite, not a patch.
+
+Intended outcome: a data architect exports from erwin, runs one command (or clicks one button), and
+gets a committable Modelith model — subject areas, entities, keys, relationships, subtype/supertype,
+domains, verb phrases, physical + logical names — as git YAML.
+
+## The real erwin shape (from the XSDs — drives the parser)
+
+- Root `{http://www.erwin.com/dm}erwin` → `{.../dm/data}Model` → `_Groups` containers (e.g.
+ `Entity_Groups` → `Entity`). Every object carries a required `id` GUID attribute.
+- **Property values are element text inside ``**: `Customer
+ CUSTOMER … ` closes, so a 10MB file never
+ materialises as a full DOM. Two logical passes over the index: (1) index + extract entities/attrs/
+ keys/domains/subject-areas; (2) resolve relationship + membership + FK-lineage GUID refs. A size
+ guard (e.g. warn/refuse absurd files) + a clear parse-error message.
+- `import_erwin(text_or_path, *, project_name=None) -> ErwinImport` where
+ `ErwinImport = (model: Model, warnings: list[str])`. Map: Entity→ConceptualEntity+LogicalEntity
+ (name from `Name`, `physical_name` from `Physical_Name`, `definition`); Attribute→`Attribute`
+ (domain via `Parent_Domain_Ref` name, `role=business_key` when in the pk Key_Group, nullable from
+ `Null_Option_Type`, `physical_name`); Key_Group(pk/alternate/unique)→`KeyGroup`; Relationship→
+ `Relationship` (`from_`=child/many, `to`=parent/one, `verb_phrase`/`inverse_verb_phrase`,
+ `identifying` from type/PK-migration, `cardinality`, `optionality`); Subtype→`Category`
+ (supertype+subtypes+discriminator, per the IR's existing erwin-category shape); Subject_Area→
+ `SubjectArea` with members; Domain→`Domain`. Everything unmapped (views, transforms, layout, UDP
+ detail) appends a human warning.
+- Reuse: `mdl_core.ids.new_ulid`, the IR classes, and the `_ERWIN_TYPE`/`_base_type` map already in the
+ file (keep the datatype mapping, it's fine).
+
+### C. Model → command list adapter (`packages/emit-erd/src/mdl_emit_erd/imports/model.py`, or a new
+sibling)
+The canvas `/api/import` and the CLI's `_apply_imported` both consume `to_commands`'s `{op,payload}`
+list. To give erwin the canvas/warnings/staged-review surfaces WITHOUT flattening it to
+`ImportedModel`, add `model_to_commands(model: Model) -> list[dict]` that walks a full IR Model and
+emits the same op vocabulary `to_commands` uses (`create_entity` with `conceptual_id`, `add_attribute`,
+`create_key_group`, `create_relationship`) PLUS the richer ops the mutation engine already supports for
+subject areas and categories (confirm the op names in `mdl_core/commands.py` — `create_subject_area`,
+`create_category`, `set_alignment` etc.). Mint stable ULIDs. This is the one new bridging piece; it
+lets erwin ride the exact apply/preview path the other importers use.
+
+### D. CLI: real `mdl import erwin` (`packages/cli/src/mdl_cli/main.py`)
+Rewrite `import_erwin_cmd` to the rich path with a write-a-model-dir default (the 10MB-friendly,
+server-free flow the VS Code command uses):
+- `mdl import erwin -o ` → `import_erwin` → `write_model(model, out)` (reuse the
+ config-preserving writer from the reverse-warehouse work). Print the warnings as yellow `note:` lines
+ (the same channel `_apply_imported` uses). Honour the no-clobber/`--force` divert like `reverse`.
+- Keep an `--apply` path that instead routes `model_to_commands` → `apply_command` for importing into
+ an EXISTING model (parity with sql/mermaid), but default is write-a-fresh-model (erwin export = a
+ whole model, like a reverse).
+
+### E. Canvas Import wizard option (`canvas/src/sme/ImportExportMenu.tsx` + server dispatch)
+- Add `{ id: "erwin", label: "erwin XML", hint: "…" }` to `IMPORT_FORMATS` (line ~135) and `.xml` to
+ the file `accept` (line ~233).
+- Server `/api/import` (`packages/server/src/mdl_server/app.py:218`): add `elif fmt == "erwin":`
+ → `import_erwin(content)` → `model_to_commands(model)`, returning `{ok, changes, tables, warnings}`
+ exactly as the other branches do. The warnings surface in the existing `.ie-warn` UI and the CLI
+ note lines. (For a very large paste, the wizard is fine but the CLI/VS Code file path is the
+ recommended route for the biggest exports.)
+
+### F. VS Code: three entry points, NO dedicated frame (`vscode/src/extension.ts` + `package.json`)
+Import is a one-shot action, not monitored state, so it does NOT get a panel frame (that would be the
+blank-void anti-pattern). It gets maximum discoverability on existing surfaces:
+- **New command `modelith.importErwin`** (registered via `cmd()`): `showOpenDialog({filters:{"erwin
+ XML":["xml"]}})` → resolve a target dir (reuse `bestDefaultTarget`/`resolveReverseTarget` from the
+ reverse flow, so no-clobber + "update in place vs new folder" is consistent) → `runMdl(bin,
+ ["import","erwin", file, "-o", target])` under `withProgress` (10MB files take a moment) → on success
+ `canvas.open(dir)` and refresh the panels. This alone gives **Cmd+Shift+P → "Modelith: Import erwin
+ XML"** for free (palette shows every contributed command).
+- **Reverse Review title-bar button:** a `view/title` menu entry `{command: "modelith.importErwin",
+ when: "view == modelithReverse", group: "navigation@5"}` with a `$(cloud-download)` icon — erwin
+ import is a "bring an external model in" action, so it belongs beside Reverse / Reverse Live /
+ Compare, its natural conceptual home.
+- **Explorer right-click on `.xml`:** an `explorer/context` menu entry `{command:
+ "modelith.importErwin", when: "resourceExtname == .xml", group: "modelith"}` (title "Modelith: Import
+ as erwin model"), passing the clicked URI so the command skips the file picker when invoked that way.
+ Gate on `.xml` so it doesn't clutter unrelated files.
+
+## Critical files
+- `packages/core/src/mdl_core/ir.py` — add `verb_phrase`/`inverse_verb_phrase` (Relationship),
+ `physical_name` (LogicalEntity, Attribute).
+- `packages/reverse/src/mdl_reverse/erwin.py` — full rewrite: streaming iterparse, two-pass GUID
+ resolution, props-as-text, returns `(Model, warnings)`.
+- `packages/emit-erd/src/mdl_emit_erd/imports/model.py` — add `model_to_commands(model) -> list[dict]`
+ (the rich Model → command-list bridge).
+- `packages/cli/src/mdl_cli/main.py` — rewrite `import_erwin_cmd` (write-a-model default + `--apply`).
+- `packages/server/src/mdl_server/app.py` — `elif fmt == "erwin"` in `/api/import` (:218).
+- `canvas/src/sme/ImportExportMenu.tsx` — `IMPORT_FORMATS` erwin entry + `.xml` accept.
+- `vscode/src/extension.ts` — `modelith.importErwin` command (file picker + runMdl + canvas.open).
+- `vscode/package.json` — the command + the `view/title` (Reverse) and `explorer/context` (.xml) menus.
+
+## Reuse (do not reinvent — found in exploration)
+- IR already has `KeyGroup` (pk/alternate/unique/index), `Category` (subtype/supertype, explicitly
+ erwin-shaped, `ir.py:365`), `Domain`, `SubjectArea`, relationship `identifying`/`optionality`, `udp`
+ everywhere — erwin maps onto them directly.
+- `to_commands` (`imports/model.py:49`) — the op vocabulary + ULID-minting pattern to mirror in
+ `model_to_commands`; `mdl_core/commands.py` `apply_command` is the consumer.
+- `/api/import` dispatch + `.ie-warn` warnings UI + `IMPORT_FORMATS` (canvas) — the exact insertion
+ points for a new format.
+- `write_model` (config-preserving, from the reverse-warehouse branch) for the CLI write path;
+ `bestDefaultTarget`/`resolveReverseTarget`/`runReverseInto` no-clobber flow for the VS Code target.
+- `cmd()` registrar, `runMdl`, `canvas.open(dir)` — the VS Code command plumbing.
+
+## Verification
+- **Python (`uv run pytest && uv run ruff check packages/`):**
+ - Author a SMALL but REAL-SHAPED erwin fixture XML (namespaced, `…`, GUID refs,
+ a `Key_Group` pk, a `Relationship` with `Parent/Child_Entity_Ref` + verb phrases, a `Subject_Area`
+ with attached-object refs, a `Domain`, and one subtype relationship). Assert `import_erwin` yields a
+ Model with the right entities/attributes, the pk KeyGroup, the relationship (correct from/to +
+ verb_phrase), the subject-area membership, the domain, and the Category — and that unknown groups
+ (a `View`, an `ER_Diagram`) are skipped with warnings, not errors.
+ - Streaming: a generated LARGE fixture (a few thousand entities, multi-MB) parses within a sane
+ memory/time budget (assert it completes; a rough resident-memory sanity check if practical).
+ - `model_to_commands`: the imported Model → a command list that `apply_command` accepts and
+ reconstructs the same entities/keys/relationships/subject-areas/categories (round-trip assert).
+ - CLI: `mdl import erwin -o ` writes a valid model (`mdl validate` passes) and prints
+ the warnings.
+- **Extension (`cd vscode && npm run typecheck && npm run regression`, Node 20):** all gates incl.
+ Gate 3 (the new `modelith.importErwin` command is registered) green.
+- **Canvas (`cd canvas && npm run build`, Node 20):** typechecks; the erwin option appears in the
+ Import menu.
+- **Manual (acceptance):** if a real erwin export is available, `mdl import erwin export.xml -o model`
+ produces a browsable model in `mdl studio`; otherwise the real-shaped fixture is the bar. In VS Code:
+ Cmd+Shift+P → Import erwin XML, and right-click an `.xml`, both land in the canvas.
+
+## Sequencing (feature branch `feat-erwin-import`; each step green)
+1. **A** IR fields (verb phrases, physical names) + a round-trip test. Tiny, unblocks the rest.
+2. **B** the streaming reader rewrite + the fixture + parse tests. The core.
+3. **C** `model_to_commands` + round-trip test.
+4. **D** CLI `import erwin` (write-a-model + `--apply`) + CLI test.
+5. **E** server `/api/import` erwin branch + canvas `IMPORT_FORMATS` entry.
+6. **F** VS Code command + the three menu surfaces; regression + canvas build.
+7. Version bumps + README (an "Import from erwin" section under reverse-engineering).
+
+## Risk posture
+- **Real schema, defensively parsed** — unknown groups/props skip with a warning, never fatal, so a
+ novel erwin export degrades to a partial model plus notes rather than a crash. The XSDs are the
+ ground truth, not a guessed shape.
+- **Memory-safe on 10MB** — iterparse + `elem.clear()` keeps the footprint flat; the DOM approach
+ (current stub) is explicitly replaced.
+- **IR additions are additive** — three optional fields; no migration, no existing test churn, no
+ change to how a model without them behaves.
+- **No flattening** — erwin's subject areas, categories, domains, verb phrases survive because import
+ produces a rich Model and the new adapter carries it to commands, instead of squeezing through the
+ table-only `ImportedModel`.
+- **No hollow UI** — three entry points on existing surfaces, validated against a dedicated frame
+ (which would be the blank-void anti-pattern for a one-shot action).
\ No newline at end of file
diff --git a/specs/modelith-generate-docs-spec.md b/specs/modelith-generate-docs-spec.md
new file mode 100644
index 0000000..19a00e2
--- /dev/null
+++ b/specs/modelith-generate-docs-spec.md
@@ -0,0 +1,248 @@
+# `mdl docs` (static + served warehouse docs) + a state-aware Modelith panel
+
+## Context
+
+Modelith reverses a warehouse into logical models with recovered PK/FK, ontology alignment,
+confidence bands, and a decision ledger — but today the only way to *see* a model is the live,
+editable canvas (`mdl serve`/`mdl studio`, embedded in VS Code). There is no portable, shareable
+documentation artifact: nothing a data consumer, reviewer, or stakeholder who does not run Modelith
+can open. dbt has dbt-docs; Modelith has no equivalent. This adds one.
+
+Two connected pieces the user asked for:
+
+1. **`mdl docs`** — a documentation site for a warehouse and its logical models, analogous to
+ dbt-docs: a **static, self-contained HTML artifact** (committable, publishable to a wiki / S3 /
+ Pages, viewable with no server) *and* a **served route** for local preview, surfaced inside VS
+ Code as an integrated browser tab. Docs are **mostly a reference artifact** (overview, per-entity
+ pages, ERD, glossary) with only a light "Next actions" summary block, not per-entity state
+ callouts. It behaves like dbt-docs: a **persistent left tree-view** of logical models (grouped by
+ subject area) on every page for navigation; each logical model has a **structured detail page**
+ (metadata, attributes, keys, relationships, ontology alignment, in clear sections); and each
+ detail page renders a **Mermaid neighbourhood diagram** of that entity plus its related entities
+ within N hops (`--neighbourhood-radius`, default 2).
+
+2. **A state-aware Modelith panel** — the left-panel views (Warehouse Config, Reverse Review, Drift)
+ should stop showing blank voids and instead surface, in the **existing frames** (adding a new
+ frame only where a view has no home for it), the **actions that can/should be performed based on
+ the current workspace + `.mdl` state**, plus a one-click link to open the docs once generated.
+ The next-action logic lives in a new **`mdl status --format json`** CLI command (single source of
+ truth); the extension shells out to it (matching the existing "extension shells out to mdl"
+ architecture) and renders rows.
+
+Intended outcome: a new user reverses a warehouse, the panel tells them exactly what to do next at
+each step, and one click produces a shareable docs site — the "taste that sells" free-tier surface
+the GTM spec calls for (local surfacing gets no downgrade; hosted/multi-user docs is a future paid
+extension point, not built here).
+
+**Constraints (standing):** feature branch, no dev on main; no Claude attribution on commits/PRs;
+no em-dashes / "load bearing" in generated prose; docs are a reproducible offline artifact (no LLM
+at generate-time). Render tech is **Python + jinja2** (already a dep), reusing existing data and
+emitters — no Node/vite build, no coupling to the React canvas bundle.
+
+## Architecture principle
+
+Both surfaces read the **same model + `.mdl` state** through existing loaders. Nothing in the
+reverse/drift/ledger engines changes. `mdl docs` is a new *reader+renderer* over
+`projection.project()`; `mdl status` is a new *assessor* composing existing state sources. The VS
+Code changes are additive rows/commands over the existing tree providers.
+
+## Deliverables
+
+### A. `packages/docs` — the static docs generator (NEW package `mdl_docs`)
+A new workspace member (mirror an existing `packages/emit-*` package layout; register it in
+`hatch_build.py` FORCE_INCLUDE + `pyproject.toml` dev-mode-dirs — see
+[[modelith-editable-install-gotcha]]). Pure `Model -> files` rendering, no server dependency.
+- `render_site(model: Model, out: Path, *, base_url: str = "", neighbourhood_radius: int = 2) ->
+ list[Path]` — the entry point. Renders jinja2 templates to a self-contained directory:
+ `index.html` (overview), one `entities/.html` per logical entity, `glossary.html`,
+ `subject-areas/.html`, plus a single vendored `assets/` (one CSS file, a pinned
+ `mermaid.min.js` for client-side ERD render, no external CDN, offline-safe). `base_url` supports
+ publishing under a sub-path (Pages).
+- **Left tree-view (dbt-docs style), on EVERY page.** A persistent sidebar listing all logical models
+ grouped by subject area (ungrouped bucket for entities with no subject area), each a link to its
+ detail page, with the current page highlighted. Rendered once into `base.html` from the sorted
+ projection so every page shares it; a small client-side filter box (plain JS in the vendored asset,
+ no framework) narrows the list by name. This is the primary navigation, mirroring dbt-docs' left
+ model tree.
+- **Structured per-entity detail page (dbt-docs style).** Clear sections in a fixed order:
+ (1) header (name, subject area, pattern, conceptual definition); (2) attributes table (name, type/
+ domain, role, nullable, PK/FK/unique flags, enum values, per-attribute definition); (3) keys
+ (PK + alternate/unique key groups); (4) relationships (incoming and outgoing, with cardinality and
+ the joining columns); (5) ontology alignment (each `OntologyRef`: predicate, uri, layer, status,
+ confidence); (6) stewardship (owner/steward) and UDPs; (7) where-used. All fields come straight
+ from `projection.project()` (it already carries every one).
+- **Per-entity Mermaid neighbourhood diagram.** On each detail page, an ERD scoped to the entity plus
+ every entity reachable within `neighbourhood_radius` hops over the relationship graph (BFS from the
+ entity's ULID over `Relationship.from_.entity`/`to.entity` adjacency; radius 2 default). Compute
+ the id set in the generator, then render via a new **backward-compatible** `emit_mermaid(model, *,
+ include: set[str] | None = None)` overload (`packages/emit-erd/src/mdl_emit_erd/mermaid.py:22`) that
+ filters tables/edges to `include` (default None = whole model, unchanged for all existing callers).
+ Overview and subject-area pages use the unscoped / subject-area-scoped diagram.
+- **Data source (reuse, do not reinvent):** `projection.project(model)` (`packages/server/src/
+ mdl_server/projection.py:110`) already pre-joins every doc-relevant field — definition, pattern,
+ attributes (domain/role/nullable/enum_values/ontology_refs), key_groups, category role, conceptual
+ context (definition, synonyms, subject_area, ontology_layer, ontology_refs, stewardship),
+ relationships, subject_areas, counts. Call it once, render from the dict. For "where used" per
+ entity, reuse `where_used(model, conceptual_id)` (`projection.py:71`).
+- **ERD (reuse):** `emit_mermaid(model)` (`packages/emit-erd/src/mdl_emit_erd/mermaid.py`) for the
+ overview diagram and a per-subject-area scoped diagram; embed the Mermaid text in a `` block rendered by the vendored mermaid.js. PK/FK/nullability per entity come from
+ `build_tables(model, adapter)` (`packages/emit-erd/src/mdl_emit_erd/model_view.py:68`), the same
+ neutral view SQL/DBML use.
+- **Light "Next actions" block** on `index.html`: render the summary from `mdl status` (call the
+ Deliverable C function directly, in-process — no subprocess). Reference-only; no per-entity state
+ callouts.
+- **Templates** under `packages/docs/src/mdl_docs/templates/` (jinja2, `autoescape=True` for HTML;
+ note governance uses `autoescape=False` for SQL — docs must differ). A `base.html` + page
+ templates. Deterministic output (sorted iteration) so regenerated docs diff cleanly.
+
+### B. CLI: `mdl docs` sub-app (`packages/cli/src/mdl_cli/main.py`)
+A new `docs_app = typer.Typer(...)` registered on the root `app` (alongside `emit_app`/`export_app`
+at `main.py:41-55`). **`mdl docs` — not `mdl generate docs`** (the top-level `generate` at
+`main.py:293` is the dbt build; overloading it would confuse). Two commands:
+- `docs generate` — `-m/--model-dir`, `-o/--out` (default `target/mdl-docs/`), `--base-url`,
+ `--neighbourhood-radius` (default 2). Loads the model (`ModelRepo.load`), calls `render_site`,
+ prints the output path. The static artifact.
+- `docs serve` — `-m`, `--host`, `--port`. Serve the generated (or freshly-rendered-to-temp) site
+ over a tiny static file server. **Reuse the existing FastAPI app**: add a read-only `/docs` mount
+ to `create_app` (`packages/server/src/mdl_server/app.py:74`) that serves the rendered site
+ directory, so `mdl serve` also exposes `/docs` and the extension can embed it without a second
+ process. `docs serve` is the standalone convenience wrapper.
+
+### C. `mdl status` — the shared next-action assessor (`packages/cli/src/mdl_cli/main.py` + a core helper)
+The single source of truth for "where is this workspace and what should I do next", consumed by both
+the panel (via subprocess JSON) and docs (in-process).
+- Put the logic in a new `packages/core/src/mdl_core/status.py`: `assess(model_dir: Path,
+ manifest: Path | None) -> WorkspaceStatus` returning a typed structure: pipeline stage + a ranked
+ list of `NextAction { id, title, detail, command, severity }`. It composes **existing** state
+ sources only:
+ - manifest presence (`findManifestPath` equivalent — a compiled dbt project exists?),
+ - reversed models present (any logical entities in the model dir?),
+ - pending decisions + confidence bands via `DecisionLedger.load(root).pending()`
+ (`packages/reverse/src/mdl_reverse/ledger.py:111,134` — each `Decision.confidence`),
+ - drift status (has a manifest to compare; do not run drift, just report "drift not checked" vs a
+ cached result is session-only in the extension — CLI reports "checkable"),
+ - model hygiene signals already in the IR: entities/attributes with empty `definition`, ontology
+ refs with `status: proposed` (unaligned terms),
+ - docs freshness: does `target/mdl-docs/index.html` exist and is it older than the newest model
+ YAML?
+- CLI command `mdl status` with `--format text|json`, `-m`, `--manifest`. JSON is what the extension
+ parses (mirror `decisions list --format json`).
+- Ranked next-actions map to real commands, e.g. `{command: "modelith.reverseEngineer"}` when no
+ models, `{command: "modelith.driftCheck"}` when models exist but drift unchecked, `{command:
+ "modelith.docsOpen"}` once reviewed, "review N medium-confidence proposals" when pending.
+
+### D. VS Code: state-aware panel + docs tab (`vscode/src/`)
+Surface C in the **existing frames**; add the docs tab; fix the blank voids.
+- **NEW `vscode/src/statusModel.ts`** — a thin client that runs `mdl status --format json` (via
+ `runMdl`) and caches `WorkspaceStatus`, with `onDidChange`. One assessor call feeds all views.
+- **Reverse Review resting/next-action rows** (fix the blank void = the deferred Backlog #1): add a
+ `StatusNode` type to `ReverseReviewProvider` (`vscode/src/reverseView.ts:20,101`) mirroring
+ `DriftTreeProvider`'s resting-row pattern (`vscode/src/driftView.ts:98-117`). When
+ `decisions.length === 0`, render a next-action row from `statusModel` (e.g. "No proposals — reverse
+ a warehouse" or "All reviewed ✓ — generate docs") instead of `[]`. Rows get `TreeItem.command`
+ (the clickable-row pattern from `configView.ts:139`) pointing at the ranked action's command.
+- **Drift + Warehouse Config next-action rows**: Drift already has resting rows; enrich them from
+ `statusModel` so the resting label reflects the ranked next action. Config already has
+ `viewsWelcome` — leave it, but its rows can carry the docs link when appropriate.
+- **Context keys for state** (`setContext`): add `modelith.hasModels`, `modelith.hasPendingDecisions`,
+ `modelith.docsGenerated` (alongside the existing `modelith.configHasManifest` at
+ `configView.ts:101`) so `viewsWelcome`/menu `when` clauses can gate the docs button and next-action
+ buttons.
+- **Docs commands + tab**: register via the `cmd()` helper (`extension.ts:309`):
+ - `modelith.docsGenerate` — runs `mdl docs generate -m . -o target/mdl-docs`, then sets
+ `modelith.docsGenerated`.
+ - `modelith.docsOpen` — ensure the canvas/serve process is up (reuse `CanvasManager.ensureServer`
+ /`externalUrl`, `vscode/src/canvasPanel.ts:78,103`), then open a WebviewPanel iframe at
+ ` {
}),
);
+ // Import an erwin XML export into a fresh Modelith model. An erwin export is a whole
+ // model (like a reverse), so this WRITES a model dir via the CLI (10MB-safe, server-
+ // free) and opens it — not a canvas paste. Reachable from the palette, the Reverse
+ // Review title bar, and an .xml right-click (which passes the clicked URI).
+ cmd("modelith.importErwin", (arg: unknown) =>
+ withModelDir(async (dir) => {
+ let fileUri = arg instanceof vscode.Uri ? arg : undefined;
+ if (!fileUri) {
+ const picked = await vscode.window.showOpenDialog({
+ title: "Import erwin XML",
+ canSelectMany: false,
+ filters: { "erwin XML": ["xml"] },
+ openLabel: "Import",
+ });
+ if (!picked || picked.length === 0) return;
+ fileUri = picked[0];
+ }
+ const file = fileUri.fsPath;
+ // Default the target at the workspace's model dir; the picker confirms/redirects
+ // (reusing the reverse no-clobber "update in place vs new folder" flow).
+ const res = await resolveReverseTarget(await bestDefaultTarget(dir), undefined);
+ if (!res) return;
+ const bin = await findMdl(dir);
+ const args = ["import", "erwin", file, "-o", res.target];
+ if (res.force) args.push("--force");
+ await vscode.window.withProgress(
+ { location: vscode.ProgressLocation.Notification, title: "Modelith: importing erwin XML…" },
+ async () => {
+ const r = await runMdl(bin, args, dir, out, 300000);
+ out.appendLine(r.stdout + r.stderr);
+ if (r.code !== 0) {
+ out.show(true);
+ void vscode.window.showErrorMessage("Modelith: erwin import failed — see output.");
+ return;
+ }
+ // the CLI diverts on an existing model; read the actual written dir from the output
+ const diverted = /reversing into (.+?) instead/.exec(r.stdout);
+ const writtenRel = diverted ? diverted[1].trim() : res.target;
+ const writtenDir = path.isAbsolute(writtenRel)
+ ? writtenRel
+ : path.join(dir, writtenRel);
+ const notes = [...r.stdout.matchAll(/note: (.+)/g)].map((m) => m[1]);
+ await Promise.all([reverse.refresh(writtenDir), statusModel.refresh(writtenDir)]);
+ await canvas.open(writtenDir);
+ const summary = /imported (\d+) entities/.exec(r.stdout)?.[0] ?? "erwin model imported";
+ void vscode.window.showInformationMessage(
+ `Modelith: ${summary}.` + (notes.length ? ` ${notes.length} note(s) — see output.` : ""),
+ );
+ },
+ );
+ }),
+ );
+
cmd("modelith.stopServer", () => canvas.stop());
// Palette-discoverable one-click CLI install (also offered automatically when a