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