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|
import React from "react";
import clsx from "clsx";
import {
HttpForbiddenError,
HttpNetworkError,
HttpNotFoundError,
} from "@/http/common";
import { getHttpTimelineClient, HttpTimelinePostInfo } from "@/http/timeline";
import TimelineItem from "./TimelineItem";
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;
timelineName: string;
}
const Timeline: React.FC<TimelineProps> = (props) => {
const { timelineName, className, style } = props;
const [posts, setPosts] = React.useState<
| HttpTimelinePostInfo[]
| "loading"
| "offline"
| "notexist"
| "forbid"
| "error"
>("loading");
React.useEffect(() => {
let subscribe = true;
void getHttpTimelineClient()
.listPost(timelineName)
.then(
(data) => {
if (subscribe) setPosts(data);
},
(error) => {
if (error instanceof HttpNetworkError) {
setPosts("offline");
} else if (error instanceof HttpForbiddenError) {
setPosts("forbid");
} else if (error instanceof HttpNotFoundError) {
setPosts("notexist");
} else {
console.error(error);
setPosts("error");
}
}
);
return () => {
subscribe = false;
};
}, [timelineName]);
switch (posts) {
case "loading":
return (
<div className={className} style={style}>
Loading.
</div>
);
case "offline":
return (
<div className={className} style={style}>
Offline.
</div>
);
case "notexist":
return (
<div className={className} style={style}>
Not exist.
</div>
);
case "forbid":
return (
<div className={className} style={style}>
Forbid.
</div>
);
case "error":
return (
<div className={className} style={style}>
Error.
</div>
);
default:
return <TimelinePostListView posts={posts} />;
}
};
export interface TimelinePostListViewProps {
className?: string;
style?: React.CSSProperties;
posts: HttpTimelinePostInfo[];
}
export const TimelinePostListView: React.FC<TimelinePostListViewProps> = (
props
) => {
const { className, style, posts } = props;
const groupedPosts = React.useMemo<
{ date: Date; posts: (HttpTimelinePostInfo & { index: number })[] }[]
>(() => {
const result: {
date: Date;
posts: (HttpTimelinePostInfo & { index: number })[];
}[] = [];
let index = 0;
for (const post of posts) {
const time = new Date(post.time);
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={style} className={clsx("timeline", className)}>
{groupedPosts.map((group) => {
return (
<>
<TimelineDateItem date={group.date} />
{group.posts.map((post) => {
return (
<TimelineItem
key={post.id}
post={post}
current={posts.length - 1 === post.index}
/>
);
})}
</>
);
})}
</div>
);
};
export default Timeline;
|
