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import {
FormControl, InputLabel, MenuItem, Select,
} from '@material-ui/core';
import React, { useState } from 'react';
import { useEffectAsync } from '../reactHelper';
const LinkField = ({
margin,
variant,
label,
endpointAll,
endpointLinked,
baseId,
keyBase,
keyLink,
keyGetter = (item) => item.id,
titleGetter = (item) => item.name,
}) => {
const [items, setItems] = useState();
const [linked, setLinked] = useState();
useEffectAsync(async () => {
const response = await fetch(endpointAll);
if (response.ok) {
setItems(await response.json());
}
}, []);
useEffectAsync(async () => {
const response = await fetch(endpointLinked);
if (response.ok) {
const data = await response.json();
setLinked(data.map((it) => it.id));
}
}, []);
const createBody = (linkId) => {
const body = {};
body[keyBase] = baseId;
body[keyLink] = linkId;
return body;
};
const onChange = async (event) => {
const oldValue = linked;
const newValue = event.target.value;
for (const added of newValue.filter((it) => !oldValue.includes(it))) {
await fetch('/api/permissions', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(createBody(added)),
});
}
for (const removed of oldValue.filter((it) => !newValue.includes(it))) {
await fetch('/api/permissions', {
method: 'DELETE',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(createBody(removed)),
});
}
setLinked(newValue);
};
if (items && linked) {
return (
<FormControl margin={margin} variant={variant}>
<InputLabel>{label}</InputLabel>
<Select
multiple
value={linked}
onChange={onChange}
>
{items.map((item) => (
<MenuItem key={keyGetter(item)} value={keyGetter(item)}>{titleGetter(item)}</MenuItem>
))}
</Select>
</FormControl>
);
}
return null;
};
export default LinkField;
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