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-rw-r--r--webui/src/pages/list/ListQuery.tsx315
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diff --git a/webui/src/pages/list/ListQuery.tsx b/webui/src/pages/list/ListQuery.tsx
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+import { ApolloError } from 'apollo-boost';
+import React, { useState, useEffect, useRef } from 'react';
+import { useLocation, useHistory, Link } from 'react-router-dom';
+
+import IconButton from '@material-ui/core/IconButton';
+import InputBase from '@material-ui/core/InputBase';
+import Paper from '@material-ui/core/Paper';
+import { fade, makeStyles, Theme } from '@material-ui/core/styles';
+import ErrorOutline from '@material-ui/icons/ErrorOutline';
+import KeyboardArrowLeft from '@material-ui/icons/KeyboardArrowLeft';
+import KeyboardArrowRight from '@material-ui/icons/KeyboardArrowRight';
+import Skeleton from '@material-ui/lab/Skeleton';
+
+import FilterToolbar from './FilterToolbar';
+import List from './List';
+import { useListBugsQuery } from './ListQuery.generated';
+
+type StylesProps = { searching?: boolean };
+const useStyles = makeStyles<Theme, StylesProps>(theme => ({
+ main: {
+ maxWidth: 800,
+ margin: 'auto',
+ marginTop: theme.spacing(4),
+ marginBottom: theme.spacing(4),
+ overflow: 'hidden',
+ },
+ pagination: {
+ ...theme.typography.overline,
+ display: 'flex',
+ alignItems: 'center',
+ justifyContent: 'center',
+ },
+ header: {
+ display: 'flex',
+ padding: theme.spacing(2),
+ '& > h1': {
+ ...theme.typography.h6,
+ margin: theme.spacing(0, 2),
+ },
+ alignItems: 'center',
+ justifyContent: 'space-between',
+ },
+ search: {
+ borderRadius: theme.shape.borderRadius,
+ borderColor: fade(theme.palette.primary.main, 0.2),
+ borderStyle: 'solid',
+ borderWidth: '1px',
+ backgroundColor: fade(theme.palette.primary.main, 0.05),
+ padding: theme.spacing(0, 1),
+ width: ({ searching }) => (searching ? '20rem' : '15rem'),
+ transition: theme.transitions.create([
+ 'width',
+ 'borderColor',
+ 'backgroundColor',
+ ]),
+ },
+ searchFocused: {
+ borderColor: fade(theme.palette.primary.main, 0.4),
+ backgroundColor: theme.palette.background.paper,
+ width: '20rem!important',
+ },
+ placeholderRow: {
+ padding: theme.spacing(1),
+ borderBottomColor: theme.palette.grey['300'],
+ borderBottomWidth: '1px',
+ borderBottomStyle: 'solid',
+ display: 'flex',
+ alignItems: 'center',
+ },
+ placeholderRowStatus: {
+ margin: theme.spacing(1, 2),
+ },
+ placeholderRowText: {
+ flex: 1,
+ },
+ message: {
+ ...theme.typography.h5,
+ padding: theme.spacing(8),
+ textAlign: 'center',
+ borderBottomColor: theme.palette.grey['300'],
+ borderBottomWidth: '1px',
+ borderBottomStyle: 'solid',
+ '& > p': {
+ margin: '0',
+ },
+ },
+ errorBox: {
+ color: theme.palette.error.main,
+ '& > pre': {
+ fontSize: '1rem',
+ textAlign: 'left',
+ backgroundColor: theme.palette.grey['900'],
+ color: theme.palette.common.white,
+ marginTop: theme.spacing(4),
+ padding: theme.spacing(2, 3),
+ },
+ },
+}));
+
+function editParams(
+ params: URLSearchParams,
+ callback: (params: URLSearchParams) => void
+) {
+ const cloned = new URLSearchParams(params.toString());
+ callback(cloned);
+ return cloned;
+}
+
+// TODO: factor this out
+type PlaceholderProps = { count: number };
+const Placeholder: React.FC<PlaceholderProps> = ({
+ count,
+}: PlaceholderProps) => {
+ const classes = useStyles({});
+ return (
+ <>
+ {new Array(count).fill(null).map((_, i) => (
+ <div key={i} className={classes.placeholderRow}>
+ <Skeleton
+ className={classes.placeholderRowStatus}
+ variant="circle"
+ width={20}
+ height={20}
+ />
+ <div className={classes.placeholderRowText}>
+ <Skeleton height={22} />
+ <Skeleton height={24} width="60%" />
+ </div>
+ </div>
+ ))}
+ </>
+ );
+};
+
+// TODO: factor this out
+const NoBug = () => {
+ const classes = useStyles({});
+ return (
+ <div className={classes.message}>
+ <ErrorOutline fontSize="large" />
+ <p>No results matched your search.</p>
+ </div>
+ );
+};
+
+type ErrorProps = { error: ApolloError };
+const Error: React.FC<ErrorProps> = ({ error }: ErrorProps) => {
+ const classes = useStyles({});
+ return (
+ <div className={[classes.errorBox, classes.message].join(' ')}>
+ <ErrorOutline fontSize="large" />
+ <p>There was an error while fetching bug.</p>
+ <p>
+ <em>{error.message}</em>
+ </p>
+ <pre>
+ <code>{JSON.stringify(error, null, 2)}</code>
+ </pre>
+ </div>
+ );
+};
+
+function ListQuery() {
+ const location = useLocation();
+ const history = useHistory();
+ const params = new URLSearchParams(location.search);
+ const query = params.has('q') ? params.get('q') || '' : 'status:open';
+
+ const [input, setInput] = useState(query);
+
+ const classes = useStyles({ searching: !!input });
+
+ // TODO is this the right way to do it?
+ const lastQuery = useRef<string | null>(null);
+ useEffect(() => {
+ if (query !== lastQuery.current) {
+ setInput(query);
+ }
+ lastQuery.current = query;
+ }, [query, input, lastQuery]);
+
+ const num = (param: string | null) => (param ? parseInt(param) : null);
+ const page = {
+ first: num(params.get('first')),
+ last: num(params.get('last')),
+ after: params.get('after'),
+ before: params.get('before'),
+ };
+
+ // If nothing set, show the first 10 items
+ if (!page.first && !page.last) {
+ page.first = 10;
+ }
+
+ const perPage = (page.first || page.last || 10).toString();
+
+ const { loading, error, data } = useListBugsQuery({
+ variables: {
+ ...page,
+ query,
+ },
+ });
+
+ let nextPage = null;
+ let previousPage = null;
+ let count = 0;
+ if (!loading && !error && data?.repository?.bugs) {
+ const bugs = data.repository.bugs;
+ count = bugs.totalCount;
+ // This computes the URL for the next page
+ if (bugs.pageInfo.hasNextPage) {
+ nextPage = {
+ ...location,
+ search: editParams(params, p => {
+ p.delete('last');
+ p.delete('before');
+ p.set('first', perPage);
+ p.set('after', bugs.pageInfo.endCursor);
+ }).toString(),
+ };
+ }
+ // and this for the previous page
+ if (bugs.pageInfo.hasPreviousPage) {
+ previousPage = {
+ ...location,
+ search: editParams(params, p => {
+ p.delete('first');
+ p.delete('after');
+ p.set('last', perPage);
+ p.set('before', bugs.pageInfo.startCursor);
+ }).toString(),
+ };
+ }
+ }
+
+ // Prepare params without paging for editing filters
+ const paramsWithoutPaging = editParams(params, p => {
+ p.delete('first');
+ p.delete('last');
+ p.delete('before');
+ p.delete('after');
+ });
+ // Returns a new location with the `q` param edited
+ const queryLocation = (query: string) => ({
+ ...location,
+ search: editParams(paramsWithoutPaging, p => p.set('q', query)).toString(),
+ });
+
+ let content;
+ if (loading) {
+ content = <Placeholder count={10} />;
+ } else if (error) {
+ content = <Error error={error} />;
+ } else if (data?.repository) {
+ const bugs = data.repository.bugs;
+
+ if (bugs.totalCount === 0) {
+ content = <NoBug />;
+ } else {
+ content = <List bugs={bugs} />;
+ }
+ }
+
+ const formSubmit = (e: React.FormEvent) => {
+ e.preventDefault();
+ history.push(queryLocation(input));
+ };
+
+ return (
+ <Paper className={classes.main}>
+ <header className={classes.header}>
+ <h1>Issues</h1>
+ <form onSubmit={formSubmit}>
+ <InputBase
+ placeholder="Filter"
+ value={input}
+ onInput={(e: any) => setInput(e.target.value)}
+ classes={{
+ root: classes.search,
+ focused: classes.searchFocused,
+ }}
+ />
+ <button type="submit" hidden>
+ Search
+ </button>
+ </form>
+ </header>
+ <FilterToolbar query={query} queryLocation={queryLocation} />
+ {content}
+ <div className={classes.pagination}>
+ {previousPage ? (
+ <IconButton component={Link} to={previousPage}>
+ <KeyboardArrowLeft />
+ </IconButton>
+ ) : (
+ <IconButton disabled>
+ <KeyboardArrowLeft />
+ </IconButton>
+ )}
+ <div>{loading ? 'Loading' : `Total: ${count}`}</div>
+ {nextPage ? (
+ <IconButton component={Link} to={nextPage}>
+ <KeyboardArrowRight />
+ </IconButton>
+ ) : (
+ <IconButton disabled>
+ <KeyboardArrowRight />
+ </IconButton>
+ )}
+ </div>
+ </Paper>
+ );
+}
+
+export default ListQuery;