This repository has been archived on 2022-08-14. You can view files and clone it, but cannot push or open issues or pull requests.
outline/app/components/Collaborators.js

116 lines
3.5 KiB
JavaScript

// @flow
import { sortBy, filter, uniq, isEqual } from "lodash";
import { observer } from "mobx-react";
import * as React from "react";
import { useTranslation } from "react-i18next";
import { usePopoverState, PopoverDisclosure } from "reakit/Popover";
import styled from "styled-components";
import breakpoint from "styled-components-breakpoint";
import Document from "models/Document";
import { AvatarWithPresence } from "components/Avatar";
import DocumentViews from "components/DocumentViews";
import Facepile from "components/Facepile";
import NudeButton from "components/NudeButton";
import Popover from "components/Popover";
import useCurrentUser from "hooks/useCurrentUser";
import useStores from "hooks/useStores";
type Props = {|
document: Document,
|};
function Collaborators(props: Props) {
const { t } = useTranslation();
const user = useCurrentUser();
const currentUserId = user?.id;
const [requestedUserIds, setRequestedUserIds] = React.useState<string[]>([]);
const { users, presence } = useStores();
const { document } = props;
let documentPresence = presence.get(document.id);
documentPresence = documentPresence
? Array.from(documentPresence.values())
: [];
const presentIds = documentPresence.map((p) => p.userId);
const editingIds = documentPresence
.filter((p) => p.isEditing)
.map((p) => p.userId);
// ensure currently present via websocket are always ordered first
const collaborators = React.useMemo(
() =>
sortBy(
filter(
users.orderedData,
(user) =>
presentIds.includes(user.id) ||
document.collaboratorIds.includes(user.id)
),
(user) => presentIds.includes(user.id)
),
[document.collaboratorIds, users.orderedData, presentIds]
);
// load any users we don't yet have in memory
React.useEffect(() => {
const userIdsToFetch = uniq([
...document.collaboratorIds,
...presentIds,
]).filter((userId) => !users.get(userId));
if (!isEqual(requestedUserIds, userIdsToFetch)) {
setRequestedUserIds(userIdsToFetch);
}
userIdsToFetch
.filter((userId) => requestedUserIds.includes(userId))
.forEach((userId) => users.fetch(userId));
}, [document, users, presentIds, document.collaboratorIds, requestedUserIds]);
const popover = usePopoverState({
gutter: 0,
placement: "bottom-end",
});
return (
<>
<PopoverDisclosure {...popover}>
{(props) => (
<NudeButton width={collaborators.length * 32} height={32} {...props}>
<FacepileHiddenOnMobile
users={collaborators}
renderAvatar={(user) => {
const isPresent = presentIds.includes(user.id);
const isEditing = editingIds.includes(user.id);
return (
<AvatarWithPresence
key={user.id}
user={user}
isPresent={isPresent}
isEditing={isEditing}
isCurrentUser={currentUserId === user.id}
profileOnClick={false}
/>
);
}}
/>
</NudeButton>
)}
</PopoverDisclosure>
<Popover {...popover} width={300} aria-label={t("Viewers")} tabIndex={0}>
<DocumentViews document={document} isOpen={popover.visible} />
</Popover>
</>
);
}
const FacepileHiddenOnMobile = styled(Facepile)`
${breakpoint("mobile", "tablet")`
display: none;
`};
`;
export default observer(Collaborators);