import { pipe } from '@arrows/composition';
import { LocationDescriptor } from 'history';
import React from 'react';
import Toolbar from '@material-ui/core/Toolbar';
import { makeStyles } from '@material-ui/core/styles';
import CheckCircleOutline from '@material-ui/icons/CheckCircleOutline';
import ErrorOutline from '@material-ui/icons/ErrorOutline';
import {
FilterDropdown,
FilterProps,
Filter,
parse,
stringify,
Query,
} from './Filter';
import { useBugCountQuery } from './FilterToolbar.generated';
const useStyles = makeStyles(theme => ({
toolbar: {
backgroundColor: theme.palette.grey['100'],
borderColor: theme.palette.grey['300'],
borderWidth: '1px 0',
borderStyle: 'solid',
margin: theme.spacing(0, -1),
},
spacer: {
flex: 1,
},
}));
// This prepends the filter text with a count
type CountingFilterProps = {
query: string; // the query used as a source to count the number of element
children: React.ReactNode;
} & FilterProps;
function CountingFilter({ query, children, ...props }: CountingFilterProps) {
const { data, loading, error } = useBugCountQuery({
variables: { query },
});
var prefix;
if (loading) prefix = '...';
else if (error || !data?.repository) prefix = '???';
// TODO: better prefixes & error handling
else prefix = data.repository.bugs.totalCount;
return (
<Filter {...props}>
{prefix} {children}
</Filter>
);
}
type Props = {
query: string;
queryLocation: (query: string) => LocationDescriptor;
};
function FilterToolbar({ query, queryLocation }: Props) {
const classes = useStyles();
const params: Query = parse(query);
const hasKey = (key: string): boolean =>
params[key] && params[key].length > 0;
const hasValue = (key: string, value: string): boolean =>
hasKey(key) && params[key].includes(value);
const loc = pipe(stringify, queryLocation);
const replaceParam = (key: string, value: string) => (
params: Query
): Query => ({
...params,
[key]: [value],
});
const toggleParam = (key: string, value: string) => (
params: Query
): Query => ({
...params,
[key]: params[key] && params[key].includes(value) ? [] : [value],
});
const clearParam = (key: string) => (params: Query): Query => ({
...params,
[key]: [],
});
// TODO: author/label filters
return (
<Toolbar className={classes.toolbar}>
<CountingFilter
active={hasValue('status', 'open')}
query={pipe(
replaceParam('status', 'open'),
clearParam('sort'),
stringify
)(params)}
to={pipe(toggleParam('status', 'open'), loc)(params)}
icon={ErrorOutline}
>
open
</CountingFilter>
<CountingFilter
active={hasValue('status', 'closed')}
query={pipe(
replaceParam('status', 'closed'),
clearParam('sort'),
stringify
)(params)}
to={pipe(toggleParam('status', 'closed'), loc)(params)}
icon={CheckCircleOutline}
>
closed
</CountingFilter>
<div className={classes.spacer} />
{/*
<Filter active={hasKey('author')}>Author</Filter>
<Filter active={hasKey('label')}>Label</Filter>
*/}
<FilterDropdown
dropdown={[
['id', 'ID'],
['creation', 'Newest'],
['creation-asc', 'Oldest'],
['edit', 'Recently updated'],
['edit-asc', 'Least recently updated'],
]}
itemActive={key => hasValue('sort', key)}
to={key => pipe(replaceParam('sort', key), loc)(params)}
>
Sort
</FilterDropdown>
</Toolbar>
);
}
export default FilterToolbar;