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import React from "react";
import { UiLogicError } from "@/common";
import { useUser } from "@/services/user";
import {
TimelinePostInfo,
timelineService,
usePosts,
useTimeline,
} from "@/services/timeline";
import { mergeDataStatus } from "@/services/DataHub2";
import { TimelineMemberDialog } from "./TimelineMember";
import TimelinePropertyChangeDialog from "./TimelinePropertyChangeDialog";
import {
TimelinePageTemplateUIOperations,
TimelinePageTemplateUIProps,
} from "./TimelinePageTemplateUI";
export interface TimelinePageTemplateProps<TManageItem> {
name: string;
onManage: (item: TManageItem) => void;
UiComponent: React.ComponentType<
Omit<TimelinePageTemplateUIProps<TManageItem>, "CardComponent">
>;
notFoundI18nKey: string;
}
export default function TimelinePageTemplate<TManageItem>(
props: TimelinePageTemplateProps<TManageItem>
): React.ReactElement | null {
const { name } = props;
const service = timelineService;
const user = useUser();
const [dialog, setDialog] = React.useState<null | "property" | "member">(
null
);
const [scrollBottomKey, setScrollBottomKey] = React.useState<number>(0);
React.useEffect(() => {
if (scrollBottomKey > 0) {
window.scrollTo(0, document.body.scrollHeight);
}
}, [scrollBottomKey]);
const timelineAndStatus = useTimeline(name);
const postsAndState = usePosts(name);
const [
scrollToBottomNextSyncKey,
setScrollToBottomNextSyncKey,
] = React.useState<number>(0);
const scrollToBottomNextSync = (): void => {
setScrollToBottomNextSyncKey((old) => old + 1);
};
React.useEffect(() => {
let subscribe = true;
void timelineService.syncPosts(name).then(() => {
if (subscribe) {
setScrollBottomKey((old) => old + 1);
}
});
return () => {
subscribe = false;
};
}, [name, scrollToBottomNextSyncKey]);
const uiTimelineProp = ((): TimelinePageTemplateUIProps<TManageItem>["timeline"] => {
const { status, data: timeline } = timelineAndStatus;
if (timeline == null) {
if (status === "offline") {
return "offline";
} else {
return undefined;
}
} else if (timeline === "notexist") {
return "notexist";
} else {
const operations: TimelinePageTemplateUIOperations<TManageItem> = {
onPost: service.hasPostPermission(user, timeline)
? (req) =>
service.createPost(name, req).then(() => scrollToBottomNextSync())
: undefined,
onManage: service.hasManagePermission(user, timeline)
? (item) => {
if (item === "property") {
setDialog(item);
} else {
props.onManage(item);
}
}
: undefined,
onMember: () => setDialog("member"),
};
const posts = ((): TimelinePostInfo[] | "forbid" | undefined => {
const { data: postsInfo } = postsAndState;
if (postsInfo === "forbid") {
return "forbid";
} else if (postsInfo == null || postsInfo === "notexist") {
return undefined;
} else {
return postsInfo.posts;
}
})();
return { ...timeline, operations, posts };
}
})();
const timeline = timelineAndStatus?.data;
let dialogElement: React.ReactElement | undefined;
const closeDialog = (): void => setDialog(null);
if (dialog === "property") {
if (timeline == null || timeline === "notexist") {
throw new UiLogicError(
"Timeline is null but attempt to open change property dialog."
);
}
dialogElement = (
<TimelinePropertyChangeDialog
open
close={closeDialog}
timeline={timeline}
onProcess={(req) => service.changeTimelineProperty(name, req)}
/>
);
} else if (dialog === "member") {
if (timeline == null || timeline === "notexist") {
throw new UiLogicError(
"Timeline is null but attempt to open change property dialog."
);
}
dialogElement = (
<TimelineMemberDialog
open
onClose={closeDialog}
timeline={timeline}
editable={service.hasManagePermission(user, timeline)}
/>
);
}
const { UiComponent } = props;
return (
<>
<UiComponent
timeline={uiTimelineProp}
syncStatus={mergeDataStatus([
timelineAndStatus.status,
postsAndState.status,
])}
notExistMessageI18nKey={props.notFoundI18nKey}
/>
{dialogElement}
</>
);
}
|
