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subscales.js
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subscales.js
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import { getObjectFromList } from './getObjectFromList.js'
import { createArrayFromMinToMax } from './createArrayFromMinToMax.js'
import { LookupTableItems, FinalSubscale, ItemResponseType, ElementType, SubscaleTotalScore, Sex } from './constants.js'
export const parseSex = (sex) => (sex === Sex.M ? '0' : '1');
export const INTERVAL_SYMBOL = '~';
export const isSystemItem = (item) =>
!item.allowEdit &&
(item.name === LookupTableItems.Age_screen || item.name === LookupTableItems.Gender_screen);
export const getSubScaleScore = (
subscalesSum,
type,
length,
) => {
if (type === SubscaleTotalScore.Average && length === 0) return 0;
return type === SubscaleTotalScore.Sum ? subscalesSum : subscalesSum / length;
};
export const calcTotalScore = (
subscaleSetting,
activityItems,
) => {
if (!subscaleSetting?.calculateTotalScore) return {};
return calcScores({
name: FinalSubscale.Key,
items: Object.keys(activityItems).reduce((acc, item) => {
const itemType = activityItems[item].activityItem.responseType;
const allowEdit = activityItems[item].activityItem.allowEdit;
if (
itemType === ItemResponseType.SingleSelection ||
itemType === ItemResponseType.MultipleSelection ||
itemType === ItemResponseType.Slider
) {
acc.push({
name: item,
type: ElementType.Item,
allowEdit,
});
}
return acc;
}, []),
scoring: subscaleSetting.calculateTotalScore,
subscaleTableData: subscaleSetting.totalScoresTableData,
},
activityItems,
{},
{},
);
};
export const calcScores = (
data,
activityItems,
subscalesObject,
result,
) => {
let itemCount = 0;
const sumScore = data.items.reduce((acc, item) => {
const isHidden = activityItems[item.name]?.activityItem?.isHidden;
if (!isSystemItem(item) && !isHidden) {
itemCount++;
}
if (!item?.type || isHidden) {
return acc;
}
if (item.type === ElementType.Subscale) {
const calculatedNestedSubscale = calcScores(
subscalesObject[item.name],
activityItems,
subscalesObject,
result,
)[item.name];
result[item.name] = calculatedNestedSubscale;
return acc + calculatedNestedSubscale.score;
}
const answer = activityItems[item.name]?.answer
const typedOptions = activityItems[item.name]?.activityItem.responseValues
let value = 0;
if (typedOptions?.options?.length) {
const scoresObject = typedOptions.options?.reduce((acc, item) => {
if (item?.value !== undefined && item?.score !== undefined) {
acc[item.value] = item.score;
}
return acc;
}, {});
if (Array.isArray(answer?.value)) {
value = answer.value?.reduce((res, item) => res + scoresObject[item], 0);
} else {
value = scoresObject[answer?.value] || 0;
}
}
if (typedOptions?.scores?.length) {
const min = Number(typedOptions.minValue);
const max = Number(typedOptions.maxValue);
const scores = typedOptions.scores;
const options = createArrayFromMinToMax(min, max);
value = scores[options.findIndex((item) => item === answer?.value)] || 0;
}
return acc + value;
}, 0);
const calculatedScore = getSubScaleScore(sumScore, data.scoring, itemCount);
if (data?.subscaleTableData) {
const subscaleTableDataItem = data.subscaleTableData?.find(({ sex, age, rawScore }) => {
const genderAnswer = activityItems[LookupTableItems.Gender_screen]
?.answer;
const withSex = sex ? parseSex(sex) === String(genderAnswer?.value) : true;
const withAge = age
? String(age) ===
(activityItems[LookupTableItems.Age_screen]?.answer)
: true;
if (!withSex || !withAge) return false;
const hasInterval = rawScore.includes(INTERVAL_SYMBOL);
if (!hasInterval) return rawScore === String(calculatedScore);
const [minScore, maxScore] = rawScore.replace(/\s/g, '').split(INTERVAL_SYMBOL);
return Number(minScore) <= calculatedScore && calculatedScore <= Number(maxScore);
});
return {
...result,
[data.name]: {
score: Number(subscaleTableDataItem?.score) || calculatedScore,
optionText: subscaleTableDataItem?.optionalText || '',
},
};
}
return { ...result, [data.name]: { score: calculatedScore, optionText: '' } };
};
export const getSubscales = (subscaleSetting, activityItems) => {
if (!subscaleSetting?.subscales?.length && !Object.keys(activityItems).length) return {}
const subscalesObject = getObjectFromList(
subscaleSetting.subscales,
(item) => item.name,
)
const parsedSubscales = subscaleSetting.subscales.reduce((acc, item) => {
const calculatedSubscale = calcScores(item, activityItems, subscalesObject, {});
acc[item.name] = calculatedSubscale[item.name].score;
if (calculatedSubscale?.[item.name]?.optionText) {
acc[`Optional text for ${item.name}`] = calculatedSubscale[item.name].optionText;
}
return acc;
}, {})
const calculatedTotalScore =
subscaleSetting.calculateTotalScore && calcTotalScore(subscaleSetting, activityItems);
return {
...(calculatedTotalScore && {
[FinalSubscale.FinalSubScaleScore]: calculatedTotalScore[FinalSubscale.Key].score,
[FinalSubscale.OptionalTextForFinalSubScaleScore]:
calculatedTotalScore[FinalSubscale.Key].optionText,
}),
...parsedSubscales,
};
};