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Extract Search handling from RoomView into its own Component (#9574)
* Extract Search handling from RoomView into its own Component * Iterate * Fix types * Add tests * Increase coverage * Simplify test * Improve coverage
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/* | ||
Copyright 2015 - 2022 The Matrix.org Foundation C.I.C. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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import React, { forwardRef, RefObject, useCallback, useContext, useEffect, useRef, useState } from 'react'; | ||
import { ISearchResults } from 'matrix-js-sdk/src/@types/search'; | ||
import { IThreadBundledRelationship } from 'matrix-js-sdk/src/models/event'; | ||
import { THREAD_RELATION_TYPE } from 'matrix-js-sdk/src/models/thread'; | ||
import { logger } from "matrix-js-sdk/src/logger"; | ||
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import ScrollPanel from "./ScrollPanel"; | ||
import { SearchScope } from "../views/rooms/SearchBar"; | ||
import Spinner from "../views/elements/Spinner"; | ||
import { _t } from "../../languageHandler"; | ||
import { haveRendererForEvent } from "../../events/EventTileFactory"; | ||
import SearchResultTile from "../views/rooms/SearchResultTile"; | ||
import { searchPagination } from "../../Searching"; | ||
import Modal from "../../Modal"; | ||
import ErrorDialog from "../views/dialogs/ErrorDialog"; | ||
import ResizeNotifier from "../../utils/ResizeNotifier"; | ||
import MatrixClientContext from "../../contexts/MatrixClientContext"; | ||
import { RoomPermalinkCreator } from "../../utils/permalinks/Permalinks"; | ||
import RoomContext from "../../contexts/RoomContext"; | ||
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const DEBUG = false; | ||
let debuglog = function(msg: string) {}; | ||
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/* istanbul ignore next */ | ||
if (DEBUG) { | ||
// using bind means that we get to keep useful line numbers in the console | ||
debuglog = logger.log.bind(console); | ||
} | ||
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interface Props { | ||
term: string; | ||
scope: SearchScope; | ||
promise: Promise<ISearchResults>; | ||
abortController?: AbortController; | ||
resizeNotifier: ResizeNotifier; | ||
permalinkCreator: RoomPermalinkCreator; | ||
className: string; | ||
onUpdate(inProgress: boolean, results: ISearchResults | null): void; | ||
} | ||
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// XXX: todo: merge overlapping results somehow? | ||
// XXX: why doesn't searching on name work? | ||
export const RoomSearchView = forwardRef<ScrollPanel, Props>(({ | ||
term, | ||
scope, | ||
promise, | ||
abortController, | ||
resizeNotifier, | ||
permalinkCreator, | ||
className, | ||
onUpdate, | ||
}: Props, ref: RefObject<ScrollPanel>) => { | ||
const client = useContext(MatrixClientContext); | ||
const roomContext = useContext(RoomContext); | ||
const [inProgress, setInProgress] = useState(true); | ||
const [highlights, setHighlights] = useState<string[] | null>(null); | ||
const [results, setResults] = useState<ISearchResults | null>(null); | ||
const aborted = useRef(false); | ||
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const handleSearchResult = useCallback((searchPromise: Promise<ISearchResults>): Promise<boolean> => { | ||
setInProgress(true); | ||
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return searchPromise.then(async (results) => { | ||
debuglog("search complete"); | ||
if (aborted.current) { | ||
logger.error("Discarding stale search results"); | ||
return false; | ||
} | ||
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// postgres on synapse returns us precise details of the strings | ||
// which actually got matched for highlighting. | ||
// | ||
// In either case, we want to highlight the literal search term | ||
// whether it was used by the search engine or not. | ||
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let highlights = results.highlights; | ||
if (!highlights.includes(term)) { | ||
highlights = highlights.concat(term); | ||
} | ||
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// For overlapping highlights, | ||
// favour longer (more specific) terms first | ||
highlights = highlights.sort(function(a, b) { | ||
return b.length - a.length; | ||
}); | ||
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if (client.supportsExperimentalThreads()) { | ||
// Process all thread roots returned in this batch of search results | ||
// XXX: This won't work for results coming from Seshat which won't include the bundled relationship | ||
for (const result of results.results) { | ||
for (const event of result.context.getTimeline()) { | ||
const bundledRelationship = event | ||
.getServerAggregatedRelation<IThreadBundledRelationship>(THREAD_RELATION_TYPE.name); | ||
if (!bundledRelationship || event.getThread()) continue; | ||
const room = client.getRoom(event.getRoomId()); | ||
const thread = room.findThreadForEvent(event); | ||
if (thread) { | ||
event.setThread(thread); | ||
} else { | ||
room.createThread(event.getId(), event, [], true); | ||
} | ||
} | ||
} | ||
} | ||
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setHighlights(highlights); | ||
setResults({ ...results }); // copy to force a refresh | ||
}, (error) => { | ||
if (aborted.current) { | ||
logger.error("Discarding stale search results"); | ||
return false; | ||
} | ||
logger.error("Search failed", error); | ||
Modal.createDialog(ErrorDialog, { | ||
title: _t("Search failed"), | ||
description: error?.message | ||
?? _t("Server may be unavailable, overloaded, or search timed out :("), | ||
}); | ||
return false; | ||
}).finally(() => { | ||
setInProgress(false); | ||
}); | ||
}, [client, term]); | ||
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// Mount & unmount effect | ||
useEffect(() => { | ||
aborted.current = false; | ||
handleSearchResult(promise); | ||
return () => { | ||
aborted.current = true; | ||
abortController?.abort(); | ||
}; | ||
}, []); // eslint-disable-line react-hooks/exhaustive-deps | ||
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// show searching spinner | ||
if (results?.count === undefined) { | ||
return ( | ||
<div | ||
className="mx_RoomView_messagePanel mx_RoomView_messagePanelSearchSpinner" | ||
data-testid="messagePanelSearchSpinner" | ||
/> | ||
); | ||
} | ||
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const onSearchResultsFillRequest = async (backwards: boolean): Promise<boolean> => { | ||
if (!backwards) { | ||
return false; | ||
} | ||
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if (!results.next_batch) { | ||
debuglog("no more search results"); | ||
return false; | ||
} | ||
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debuglog("requesting more search results"); | ||
const searchPromise = searchPagination(results); | ||
return handleSearchResult(searchPromise); | ||
}; | ||
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const ret: JSX.Element[] = []; | ||
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if (inProgress) { | ||
ret.push(<li key="search-spinner"> | ||
<Spinner /> | ||
</li>); | ||
} | ||
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if (!results.next_batch) { | ||
if (!results?.results?.length) { | ||
ret.push(<li key="search-top-marker"> | ||
<h2 className="mx_RoomView_topMarker">{ _t("No results") }</h2> | ||
</li>); | ||
} else { | ||
ret.push(<li key="search-top-marker"> | ||
<h2 className="mx_RoomView_topMarker">{ _t("No more results") }</h2> | ||
</li>); | ||
} | ||
} | ||
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// once dynamic content in the search results load, make the scrollPanel check | ||
// the scroll offsets. | ||
const onHeightChanged = () => { | ||
const scrollPanel = ref.current; | ||
scrollPanel?.checkScroll(); | ||
}; | ||
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let lastRoomId: string; | ||
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for (let i = (results?.results?.length || 0) - 1; i >= 0; i--) { | ||
const result = results.results[i]; | ||
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const mxEv = result.context.getEvent(); | ||
const roomId = mxEv.getRoomId(); | ||
const room = client.getRoom(roomId); | ||
if (!room) { | ||
// if we do not have the room in js-sdk stores then hide it as we cannot easily show it | ||
// As per the spec, an all rooms search can create this condition, | ||
// it happens with Seshat but not Synapse. | ||
// It will make the result count not match the displayed count. | ||
logger.log("Hiding search result from an unknown room", roomId); | ||
continue; | ||
} | ||
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if (!haveRendererForEvent(mxEv, roomContext.showHiddenEvents)) { | ||
// XXX: can this ever happen? It will make the result count | ||
// not match the displayed count. | ||
continue; | ||
} | ||
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if (scope === SearchScope.All) { | ||
if (roomId !== lastRoomId) { | ||
ret.push(<li key={mxEv.getId() + "-room"}> | ||
<h2>{ _t("Room") }: { room.name }</h2> | ||
</li>); | ||
lastRoomId = roomId; | ||
} | ||
} | ||
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const resultLink = "#/room/"+roomId+"/"+mxEv.getId(); | ||
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ret.push(<SearchResultTile | ||
key={mxEv.getId()} | ||
searchResult={result} | ||
searchHighlights={highlights} | ||
resultLink={resultLink} | ||
permalinkCreator={permalinkCreator} | ||
onHeightChanged={onHeightChanged} | ||
/>); | ||
} | ||
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return ( | ||
<ScrollPanel | ||
ref={ref} | ||
className={"mx_RoomView_searchResultsPanel " + className} | ||
onFillRequest={onSearchResultsFillRequest} | ||
resizeNotifier={resizeNotifier} | ||
> | ||
<li className="mx_RoomView_scrollheader" /> | ||
{ ret } | ||
</ScrollPanel> | ||
); | ||
}); |
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