size and pagination break when grouped models are empty/falsy

[kevinstadler]

Model:

from typing import Annotated

from pydantic import AnyUrl, BaseModel  # noqa: F401
from rdfproxy import SPARQLBinding


class WrittenWork_WorkCreationAssertion_WorkCreation(BaseModel):
    class Config:
        title = "text_creation"
        model_bool = "id"
        group_by = "written_work__work_creation_assertion__work_creation"
    id: Annotated[AnyUrl | None, SPARQLBinding(
        "written_work__work_creation_assertion__work_creation")] = None
    work_creation_6464e7f7408f5: Annotated[list[AnyUrl], SPARQLBinding(
        "written_work__work_creation_assertion__work_creation__work_creation_6464e7f7408f5")]
    text_creation_timeframe_assertio: Annotated[AnyUrl | None, SPARQLBinding(
        "written_work__work_creation_assertion__work_creation__text_creation_timeframe_assertio")] = None


class WrittenWork_WorkCreationAssertion(BaseModel):
    class Config:
        title = "text_creation_assertion"
        model_bool = "id"
    id: Annotated[AnyUrl | None, SPARQLBinding(
        "written_work__work_creation_assertion")] = None
    work_creation: Annotated[WrittenWork_WorkCreationAssertion_WorkCreation | None, SPARQLBinding(
        "written_work__work_creation_assertion__work_creation")] = None
    work_creation_assertion_by: Annotated[AnyUrl | None, SPARQLBinding(
        "written_work__work_creation_assertion__work_creation_assertion_by")] = None
    work_creation_assertion_by_64676da87229e: Annotated[AnyUrl | None, SPARQLBinding(
        "written_work__work_creation_assertion__work_creation_assertion_by_64676da87229e")] = None


class WrittenWork(BaseModel):
    class Config:
        title = "Text Expression"
        model_bool = "id"
        group_by = "written_work"
    id: Annotated[AnyUrl | None, SPARQLBinding("written_work")] = None
    written_work_label: Annotated[str | None, SPARQLBinding(
        "written_work__written_work_label")] = None
    work_creation_assertion: Annotated[list[WrittenWork_WorkCreationAssertion], SPARQLBinding(
        "written_work__work_creation_assertion")]

Query (query result)

PREFIX crm: <http://www.cidoc-crm.org/cidoc-crm/>
PREFIX lrmoo: <http://iflastandards.info/ns/lrm/lrmoo/>
PREFIX star: <https://r11.eu/ns/star/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX r11: <https://r11.eu/ns/spec/>
PREFIX r11pros: <https://r11.eu/ns/prosopography/>

SELECT
?written_work
  ?written_work__written_work_label
  ?written_work__work_creation_assertion
    ?written_work__work_creation_assertion__work_creation
      ?written_work__work_creation_assertion__work_creation__work_creation_6464e7f7408f5
      ?written_work__work_creation_assertion__work_creation__text_creation_timeframe_assertio
    ?written_work__work_creation_assertion__work_creation_assertion_by
    ?written_work__work_creation_assertion__work_creation_assertion_by_64676da87229e

WHERE {
?written_work a r11:Text_Expression.

  ?written_work crm:P3_has_note ?written_work__written_work_label.

  OPTIONAL {
  ?written_work__work_creation_assertion a star:E13_lrmoo_R17.
  ?written_work__work_creation_assertion crm:P141_assigned ?written_work.

    ?written_work__work_creation_assertion__work_creation a lrmoo:F28_Expression_Creation.
    ?written_work__work_creation_assertion___wc crm:P141_assigned ?written_work__work_creation_assertion.
    ?written_work__work_creation_assertion___wc crm:P140_assigned_attribute_to ?written_work__work_creation_assertion__work_creation.

      OPTIONAL {
      ?written_work__work_creation_assertion__work_creation__work_creation_6464e7f7408f5 a star:E13_crm_P14.
      ?written_work__work_creation_assertion__work_creation___wc6 crm:P141_assigned ?written_work__work_creation_assertion__work_creation.
      ?written_work__work_creation_assertion__work_creation___wc6 crm:P140_assigned_attribute_to ?written_work__work_creation_assertion__work_creation___wc6___wc6.
      ?written_work__work_creation_assertion__work_creation__work_creation_6464e7f7408f5 crm:P140_assigned_attribute_to ?written_work__work_creation_assertion__work_creation___wc6___wc6.
      }

      ?written_work__work_creation_assertion__work_creation__text_creation_timeframe_assertio a star:E13_crm_P4.
      ?written_work__work_creation_assertion__work_creation___tcta crm:P141_assigned ?written_work__work_creation_assertion__work_creation.
      ?written_work__work_creation_assertion__work_creation___tcta crm:P140_assigned_attribute_to ?written_work__work_creation_assertion__work_creation___tcta___tcta.
      ?written_work__work_creation_assertion__work_creation__text_creation_timeframe_assertio crm:P140_assigned_attribute_to ?written_work__work_creation_assertion__work_creation___tcta___tcta.

    ?written_work__work_creation_assertion__work_creation_assertion_by a crm:E21_Person.
    ?written_work__work_creation_assertion___wcab crm:P141_assigned ?written_work__work_creation_assertion.
    ?written_work__work_creation_assertion___wcab crm:P14_carried_out_by ?written_work__work_creation_assertion__work_creation_assertion_by.

    ?written_work__work_creation_assertion__work_creation_assertion_by_64676da87229e a r11:Author_Group.
    ?written_work__work_creation_assertion___wcab6 crm:P141_assigned ?written_work__work_creation_assertion.
    ?written_work__work_creation_assertion___wcab6 crm:P14_carried_out_by ?written_work__work_creation_assertion__work_creation_assertion_by_64676da87229e.
  }
}

[lu-pl]

Fixed by #157 .