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* @prettier
*/
/*
* Part of Pleiar.no - a collection of tools for nurses
*
* Copyright (C) Eskild Hustvedt 2017-2018
* Copyright (C) Fagforbundet 2019
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// @flow
import * as React from "react";
import { connect } from "react-redux";
import { Row, Col, Form, Input, Label } from "reactstrap";
import {
CalcExplanation,
CalcExplanationLine,
CalcExplanationDescription,
CalcExplanationCalculation,
CalcExplanationFormula,
Fraction,
FractionResult,
FractionComponent,
} from "./calculators-shared.js";
import { setValue, toggleValue } from "../actions/nutricalc-req";
import { setWeight } from "../actions/nutricalc-shared";
import { numbers } from "../helper.numbers";
import { PageTitle } from "./layout";
import { ExternalLink } from "./shared/links";
import type { ReduxEventOrStringCallback } from "../types/callbacks";
import type {
nutriCalcBoolFields,
nutriCalcSetFields,
nutriCalcReqAgeGroup,
nutriCalcReqPatientState,
} from "../reducers/nutricalc-req";
import type { CalcResultWithExplanation } from "../types/calculator-types";
// Props for the class itself (ie. nothing)
type NutriCalcReqOwnProps = {||};
// Redux dispatch function props
type NutriCalcReqReduxDispatch = {|
onEnumSettingUpdate: (
nutriCalcSetFields,
nutriCalcReqPatientState | nutriCalcReqAgeGroup,
) => void,
onTempUpdate: ReduxEventOrStringCallback,
onWeightUpdate: (SyntheticEvent<HTMLInputElement>) => void,
onBooleanUpdate: (nutriCalcBoolFields) => mixed,
|};
// Props from redux state
type NutriCalcReqPropsFromRedux = {|
weight: number | "",
ageGroup: string,
febrile: boolean,
skinny: boolean,
temp: number,
round: boolean,
patientState: string,
|};
/**
* Props for {@link NutriCalcReq}
*/
type NutriCalcReqProps = {|
...NutriCalcReqOwnProps,
...NutriCalcReqPropsFromRedux,
...NutriCalcReqReduxDispatch,
|};
/**
* Calculates the required calories per day for a patient
*/
class NutriCalcReq extends React.PureComponent<NutriCalcReqProps> {
/**
* Renders the "additional values" part of the UI
*/
renderAdditionalValues(): React.Node {
let febrileColor: string = "";
let febrileFieldColor: string = "";
if (this.props.febrile) {
if (this.props.temp === "" || this.props.temp < 38) {
febrileFieldColor = "is-invalid";
}
} else {
febrileColor = "text-muted";
}
return (
<div>
<Row>
<Col className="align-self-center form-inline form-check">
<Label check className="ml-3 ml-sm-0">
<Input
name="febrileState"
type="checkbox"
checked={this.props.febrile}
onChange={() => {
this.props.onBooleanUpdate("febrile");
}}
/>{" "}
<b>Febril</b>
<span
className={"d-none d-inline-md " + febrileColor}
>
med ein temperatur på
</span>
</Label>
<div
className={
"align-self-center form-inline " + febrileColor
}
>
<Input
type="number"
step="0.1"
min="38"
max="41"
className={"mr-2 ml-2 " + febrileFieldColor}
value={this.props.temp}
onChange={(e) => {
this.props.onTempUpdate(e);
}}
disabled={!this.props.febrile}
id="temp"
/>
<Label htmlFor="temp" className="mr-2">
grader
</Label>
</div>
</Col>
</Row>
<Row>
<Col className="form-inline form-check">
<Label check className="ml-3 ml-sm-0">
<Input
name="skinnyState"
type="checkbox"
checked={this.props.skinny}
onChange={() => {
this.props.onBooleanUpdate("skinny");
}}
/>
Pasienten er <b>mager</b>
</Label>
</Col>
</Row>
</div>
);
}
/**
* Perform the calculation
*/
getResult(): CalcResultWithExplanation {
const descr = [];
let kcal: number = 0;
let basePerKG: number = 33;
let baseGroup: string = "oppegåande pasientar";
if (this.props.patientState == "bed") {
basePerKG = 29;
baseGroup = "sengeliggjande pasientar";
} else if (this.props.patientState == "building") {
basePerKG = 40;
baseGroup = "pasientar i ein oppbygjande fase";
}
// We permit an empty string as the weight, so we pretend it's 0 if
// it's an empty string
const weight = this.props.weight === "" ? 0 : this.props.weight;
const base = numbers.conditionalRound(
weight * basePerKG,
this.props.round,
);
kcal += base;
descr.push(
<CalcExplanationLine key="basisbehov">
<CalcExplanationDescription>
Basisbehov {basePerKG} kcal/kg for {baseGroup}
</CalcExplanationDescription>
<CalcExplanationCalculation>
{weight} × 33 = {base}
</CalcExplanationCalculation>
<CalcExplanationFormula>vekt × 33</CalcExplanationFormula>
</CalcExplanationLine>,
);
if (this.props.ageGroup == "18-30") {
const prev = kcal;
kcal = numbers.conditionalRound(kcal * 1.1, this.props.round);
descr.push(
<CalcExplanationLine key="18-30">
<CalcExplanationDescription>
Ekstrabehov 10% for 18-30
</CalcExplanationDescription>
<CalcExplanationCalculation>
{prev} × 1.10 = {kcal}
</CalcExplanationCalculation>
<CalcExplanationFormula>
basisbehov × 1.10
</CalcExplanationFormula>
</CalcExplanationLine>,
);
} else if (this.props.ageGroup == "70+") {
const prev = kcal;
kcal -= numbers.conditionalRound(base * 0.1, this.props.round);
descr.push(
<CalcExplanationLine key="70%">
<CalcExplanationDescription>
Redusert behov på 10% for 70+
</CalcExplanationDescription>
<CalcExplanationCalculation>
basisbehov × 0.90
</CalcExplanationCalculation>
<CalcExplanationFormula>
{prev} × 0.90 = {kcal}
</CalcExplanationFormula>
</CalcExplanationLine>,
);
}
if (this.props.skinny) {
const prev = kcal;
kcal += numbers.conditionalRound(base * 0.1, this.props.round);
descr.push(
<CalcExplanationLine key="ekstraMager">
<CalcExplanationDescription>
Ekstrabehov 10% for magre pasientar
</CalcExplanationDescription>
<CalcExplanationCalculation>
<FractionComponent>{prev} + </FractionComponent>
<Fraction top={base} bottom="10" />
<FractionResult>= {kcal}</FractionResult>
</CalcExplanationCalculation>
<CalcExplanationFormula>
<FractionComponent>behov + </FractionComponent>
<Fraction top="basisbehov" bottom="10" />
</CalcExplanationFormula>
</CalcExplanationLine>,
);
}
if (
this.props.febrile &&
this.props.temp !== "" &&
this.props.temp >= 38
) {
const prev = kcal;
const temp = numbers.conditionalRound(
this.props.temp - 37.0,
this.props.round,
);
kcal += numbers.conditionalRound(
base * 0.1 * temp,
this.props.round,
);
const calculation: Array<React.Node> = [];
let wrapRight: string = "";
let wrapLeft: string = "";
if (temp !== 1) {
wrapLeft = " (";
wrapRight = ") ";
}
calculation.push(
<FractionComponent key="left">
{prev} +{wrapLeft}
</FractionComponent>,
);
calculation.push(<Fraction key="base/10" top={base} bottom="10" />);
if (temp !== 1) {
calculation.push(
<FractionResult key="tempAbove1">× {temp}</FractionResult>,
);
}
calculation.push(
<FractionResult key="result">
{wrapRight} = {kcal}
</FractionResult>,
);
descr.push(
<CalcExplanationLine key="ekstraFebril">
<CalcExplanationDescription>
Ekstrabehov 10% pr. grad over 37
</CalcExplanationDescription>
<CalcExplanationCalculation>
{calculation}
</CalcExplanationCalculation>
<CalcExplanationFormula>
<FractionComponent>behov + </FractionComponent>
<Fraction top="basisbehov" bottom="10" />× grader over
37
</CalcExplanationFormula>
</CalcExplanationLine>,
);
}
if (this.props.round) {
const rounded = numbers.roundNearestTen(kcal);
if (rounded != kcal) {
descr.push(
<CalcExplanationLine key="rounding">
<CalcExplanationDescription>
Rund av
</CalcExplanationDescription>
<CalcExplanationCalculation>
{kcal} ≈ {rounded}
</CalcExplanationCalculation>
<CalcExplanationFormula>
(rund av til nærmaste 10)
</CalcExplanationFormula>
</CalcExplanationLine>,
);
kcal = rounded;
}
}
return {
result: kcal,
description: <CalcExplanation>{descr}</CalcExplanation>,
};
}
/**
* Main rendering
*/
// eslint-disable-next-line require-jsdoc
render(): React.Node {
const additionalValues = this.renderAdditionalValues();
const result = this.getResult();
let veierLabel: string = "Vekt";
if (this.props.patientState == "building") {
veierLabel = "Ynskjeleg vekt";
}
return (
<div>
<PageTitle title="Ernæringskalkulator - behov" />
<Row>
<Col>
<h3 className="d-md-none">Energibehov</h3>
<h3 className="d-none d-md-block">
Ernæringskalkulator - energibehov
</h3>
</Col>
</Row>
<Row>
<Col>
<h4 className="d-none d-md-block">Pasientdata</h4>
</Col>
</Row>
<Form className="smallInputElements boldColLabels">
<Row>
<Label for="patientState" sm="3" md="2">
Pasienten er
</Label>
<Col className="align-self-center form-inline form-check">
<Label check className="mr-2 ml-3 ml-0-sm">
<Input
type="radio"
name="patientState"
checked={this.props.patientState == "bed"}
onChange={() => {
this.props.onEnumSettingUpdate(
"patientState",
"bed",
);
}}
/>{" "}
sengeliggjande
</Label>
<Label check className="mr-2 ml-3 ml-0-sm">
<Input
type="radio"
name="patientState"
checked={this.props.patientState == "up"}
onChange={() => {
this.props.onEnumSettingUpdate(
"patientState",
"up",
);
}}
/>{" "}
oppegåande
</Label>
<Label check className="mr-2 ml-3 ml-0-sm">
<Input
type="radio"
name="patientState"
checked={
this.props.patientState == "building"
}
onChange={() => {
this.props.onEnumSettingUpdate(
"patientState",
"building",
);
}}
/>{" "}
i ein oppbyggjande fase (målet er vektoppgang)
</Label>
</Col>
</Row>
<Row>
<Label for="weight" xs="3" sm="3" md="2">
{veierLabel}
</Label>
<Col className="form-inline form-check">
<Input
type="number"
min="1"
max="300"
className="mr-2"
value={this.props.weight}
onChange={(e) => {
this.props.onWeightUpdate(e);
}}
id="weight"
/>{" "}
kg
</Col>
</Row>
<Row>
<Label for="ageGroup" xs="3" sm="3" md="2">
<span className="d-none d-md-block">
Aldersgruppe
</span>
<span className="d-md-none">Alder</span>
</Label>
<Col className="align-self-center form-inline form-check">
<Label check className="mr-2 ml-3 ml-sm-0">
<Input
type="radio"
name="ageGroup"
checked={this.props.ageGroup == "18-30"}
onChange={() => {
this.props.onEnumSettingUpdate(
"ageGroup",
"18-30",
);
}}
/>{" "}
18-30
</Label>
<Label check className="mr-2 ml-3 ml-sm-0">
<Input
type="radio"
name="ageGroup"
checked={this.props.ageGroup == "31-69"}
onChange={() => {
this.props.onEnumSettingUpdate(
"ageGroup",
"31-69",
);
}}
/>{" "}
31-69
</Label>
<Label check className="mr-2 ml-3 ml-sm-0">
<Input
type="radio"
name="ageGroup"
checked={this.props.ageGroup == "70+"}
onChange={() => {
this.props.onEnumSettingUpdate(
"ageGroup",
"70+",
);
}}
/>{" "}
70+
</Label>
</Col>
</Row>
{additionalValues}
</Form>
<Row className="mt-4">
<Col>
<h4>Resultat</h4>
Pasienten har behov for{" "}
<b id="nutriCalcReqResult">{result.result} kcal/døgn</b>
</Col>
</Row>
{result.description}
<Row className="text-secondary mt-4">
<Col>
<h5>Kjelde</h5>
<small>
Formelen er henta frå s.12 i: Statens ernæringsråd
(1995).{" "}
<i>
<ExternalLink
className="text-secondary"
href="https://www.nb.no/items/URN:NBN:no-nb_digibok_2013070205012"
>
Statens ernæringsråds retningslinjer for
kostholdet i helseinstitusjoner
</ExternalLink>
</i>
. Oslo: Universitetsforlaget.
</small>
</Col>
</Row>
</div>
);
}
}
const NutriCalcReqContainer: React.AbstractComponent<NutriCalcReqOwnProps> =
connect<
NutriCalcReqProps,
NutriCalcReqOwnProps,
NutriCalcReqPropsFromRedux,
NutriCalcReqReduxDispatch,
_,
_,
>(
(state): NutriCalcReqPropsFromRedux => {
return {
weight: state.nutriCalc.shared.weight,
ageGroup: state.nutriCalc.req.ageGroup,
patientState: state.nutriCalc.req.patientState,
febrile: state.nutriCalc.req.febrile,
skinny: state.nutriCalc.req.skinny,
temp: state.nutriCalc.req.temp,
round: state.global.round,
};
},
(dispatch): NutriCalcReqReduxDispatch => {
return {
onEnumSettingUpdate(
key: nutriCalcSetFields,
val: nutriCalcReqPatientState | nutriCalcReqAgeGroup,
) {
dispatch(setValue(key, val));
},
onTempUpdate(ev: SyntheticEvent<HTMLInputElement> | string) {
const value = numbers.floatishInRangeFromThing(ev, 0, 41);
dispatch(setValue("temp", value));
},
onWeightUpdate(ev: SyntheticEvent<HTMLInputElement>) {
const value = numbers.floatishInRangeFromThing(ev, 0, 400);
dispatch(setWeight(value));
},
onBooleanUpdate(key: nutriCalcBoolFields) {
dispatch(toggleValue(key));
},
};
},
)(NutriCalcReq);
export default NutriCalcReqContainer;
|