fix: json schema of LinkId

common/birdxplorer_common/models.py

@@ -21,12 +21,14 @@
 from pydantic import Field as PydanticField
 from pydantic import (
     GetCoreSchemaHandler,
+    GetJsonSchemaHandler,
     HttpUrl,
     TypeAdapter,
     computed_field,
     model_validator,
 )
 from pydantic.alias_generators import to_camel
+from pydantic.json_schema import JsonSchemaValue
 from pydantic.main import IncEx
 from pydantic_core import core_schema
 
@@ -751,6 +753,20 @@ def __get_pydantic_core_schema__(cls, _source_type: Any, _handler: GetCoreSchema
             ),
         )
 
+    @classmethod
+    def __get_pydantic_json_schema__(
+        cls, core_schema: core_schema.CoreSchema, handler: GetJsonSchemaHandler
+    ) -> JsonSchemaValue:
+        json_schema = handler(core_schema)
+        json_schema = handler.resolve_ref_schema(json_schema)
+        # __get_pydantic_core_schema__ に is_instance_schema を追加したが、
+        # APIから返却する際の実態は string (uuid) のみである
+        # この差分により、openapi specを自動生成する際に不要な anyOf: [] が生成されてしまうのを抑制する
+        del json_schema["anyOf"]
+        json_schema["type"] = "string"
+        json_schema["format"] = "uuid"
+        return json_schema
+
     @classmethod
     def validate(cls, v: Any) -> "LinkId":
         return cls(v)