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import React from "react";
import clsx from "clsx";
import {
TimelineInfo,
TimelinePostInfo,
timelineService,
} from "@/services/timeline";
import { useUser } from "@/services/user";
import { pushAlert } from "@/services/alert";
import TimelineItem from "./TimelineItem";
import TimelineTop from "./TimelineTop";
import TimelineDateItem from "./TimelineDateItem";
function dateEqual(left: Date, right: Date): boolean {
return (
left.getDate() == right.getDate() &&
left.getMonth() == right.getMonth() &&
left.getFullYear() == right.getFullYear()
);
}
export interface TimelineProps {
className?: string;
style?: React.CSSProperties;
timeline: TimelineInfo;
posts: TimelinePostInfo[];
}
const Timeline: React.FC<TimelineProps> = (props) => {
const { timeline, posts } = props;
const user = useUser();
const [showMoreIndex, setShowMoreIndex] = React.useState<number>(-1);
const groupedPosts = React.useMemo<
{ date: Date; posts: (TimelinePostInfo & { index: number })[] }[]
>(() => {
const result: {
date: Date;
posts: (TimelinePostInfo & { index: number })[];
}[] = [];
let index = 0;
for (const post of posts) {
const { time } = post;
if (result.length === 0) {
result.push({ date: time, posts: [{ ...post, index }] });
} else {
const lastGroup = result[result.length - 1];
if (dateEqual(lastGroup.date, time)) {
lastGroup.posts.push({ ...post, index });
} else {
result.push({ date: time, posts: [{ ...post, index }] });
}
}
index++;
}
return result;
}, [posts]);
return (
<div style={props.style} className={clsx("timeline", props.className)}>
<TimelineTop height="56px" />
{groupedPosts.map((group) => {
return (
<>
<TimelineDateItem date={group.date} />
{group.posts.map((post) => {
const deletable = timelineService.hasModifyPostPermission(
user,
timeline,
post
);
return (
<TimelineItem
post={post}
key={post.id}
current={posts.length - 1 === post.index}
more={
deletable
? {
isOpen: showMoreIndex === post.index,
toggle: () =>
setShowMoreIndex((old) =>
old === post.index ? -1 : post.index
),
onDelete: () => {
timelineService
.deletePost(timeline.name, post.id)
.catch(() => {
pushAlert({
type: "danger",
message: {
type: "i18n",
key: "timeline.deletePostFailed",
},
});
});
},
}
: undefined
}
onClick={() => setShowMoreIndex(-1)}
/>
);
})}
</>
);
})}
</div>
);
};
export default Timeline;
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