Add registry artifacts and projections

railiance_fabric/server.py

@@ -12,12 +12,13 @@ from urllib.parse import parse_qs, urlparse
 from .registry import (
     RegistryError,
     RegistryStore,
+    backstage_projection,
     blast_radius,
     consumers,
     dependency_path_lines,
-    graph_node,
     providers,
     unresolved_dependencies,
+    xregistry_projection,
 )
 
 
@@ -46,7 +47,7 @@ class RegistryHandler(BaseHTTPRequestHandler):
         if parts == ["graph", "nodes"]:
             return HTTPStatus.OK, self.store.combined_graph()["nodes"]
         if len(parts) == 3 and parts[0] == "graph" and parts[1] == "nodes":
-            return HTTPStatus.OK, graph_node(self.store.combined_graph(), parts[2])
+            return HTTPStatus.OK, self.store.graph_node_detail(parts[2])
         if parts == ["graph", "providers"]:
             return HTTPStatus.OK, providers(self.store.combined_graph(), _query_one(query, "capability_type"))
         if parts == ["graph", "consumers"]:
@@ -59,6 +60,18 @@ class RegistryHandler(BaseHTTPRequestHandler):
             return HTTPStatus.OK, {"lines": dependency_path_lines(self.store.combined_graph(), _query_one(query, "service_id"))}
         if parts == ["exports", "state-hub"]:
             return HTTPStatus.OK, self.store.combined_graph()
+        if parts == ["exports", "backstage"]:
+            return HTTPStatus.OK, backstage_projection(self.store.combined_graph())
+        if parts == ["exports", "xregistry"]:
+            return HTTPStatus.OK, xregistry_projection(self.store.combined_graph())
+        if parts == ["artifacts"]:
+            return HTTPStatus.OK, self.store.list_artifacts(
+                repo_slug=_query_optional(query, "repo_slug"),
+                target_id=_query_optional(query, "target_id"),
+                artifact_type=_query_optional(query, "artifact_type") or _query_optional(query, "type"),
+            )
+        if len(parts) == 2 and parts[0] == "artifacts":
+            return HTTPStatus.OK, self.store.get_artifact(_int_id(parts[1], "artifact_id"))
         raise RegistryError(f"route not found: {path}", 404)
 
     def _post(self, path: str, _query: dict[str, list[str]]) -> tuple[int, Any]:
@@ -68,6 +81,8 @@ class RegistryHandler(BaseHTTPRequestHandler):
             return HTTPStatus.CREATED, self.store.upsert_repository(body)
         if len(parts) == 3 and parts[0] == "repositories" and parts[2] == "snapshots":
             return HTTPStatus.CREATED, self.store.add_snapshot(parts[1], body)
+        if parts == ["artifacts"]:
+            return HTTPStatus.CREATED, self.store.add_artifact(body)
         raise RegistryError(f"route not found: {path}", 404)
 
     def _handle(self, action: Any) -> None:
@@ -145,5 +160,19 @@ def _query_one(query: dict[str, list[str]], key: str) -> str:
     return values[0]
 
 
+def _query_optional(query: dict[str, list[str]], key: str) -> str | None:
+    values = query.get(key)
+    if not values or not values[0]:
+        return None
+    return values[0]
+
+
+def _int_id(value: str, label: str) -> int:
+    try:
+        return int(value)
+    except ValueError as exc:
+        raise RegistryError(f"invalid {label}: {value}", 400) from exc
+
+
 if __name__ == "__main__":
     sys.exit(main())