33 lines
1.1 KiB
Python

from pydantic import BaseModel
from typing import List, Optional
from models.attribute import Attribute
from lib.irt.item_response_function import ItemResponseFunction
from lib.irt.item_information_function import ItemInformationFunction
class Item(BaseModel):
id: int
passage_id: Optional[int]
workflow_state: Optional[str]
attributes: List[Attribute]
b_param: float = 0.00
def iif(self, solver_run, theta):
return ItemInformationFunction(solver_run.irt_model).calculate(b_param=self.b_param,theta=theta)
def irf(self, solver_run, theta):
return ItemResponseFunction(solver_run.irt_model).calculate(b_param=self.b_param,theta=theta)
def get_attribute(self, ref_attribute):
for attribute in self.attributes:
if attribute.id == ref_attribute.id and attribute.value.lower() == ref_attribute.value.lower():
return attribute.value
return False
def attribute_exists(self, ref_attribute):
for attribute in self.attributes:
if attribute.id == ref_attribute.id and attribute.value.lower() == ref_attribute.value.lower():
return True
return False