feat: search files #1
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Summary of ChangesHello @parthsali, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request introduces a significant enhancement to the academics section by adding a global file search capability. Users can now quickly locate specific academic files through an intuitive search dialog, which supports debounced queries and a convenient keyboard shortcut. This feature aims to improve the overall navigability and accessibility of academic resources. Highlights
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Code Review
This pull request introduces a new file search feature, which is a great addition. It includes a new search component, API endpoint integration, and necessary UI components. The implementation is solid, but I have a few suggestions to improve robustness and maintainability, particularly regarding a race condition in the search logic, the use of magic numbers, and the placement of a helper function. Please see my detailed comments.
| useEffect(() => { | ||
| if (!searchQuery.trim()) { | ||
| setResults([]); | ||
| return; | ||
| } | ||
|
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||
| setIsLoading(true); | ||
| const timer = setTimeout(async () => { | ||
| try { | ||
| const data = await searchFiles({ | ||
| query: searchQuery, | ||
| page: 1, | ||
| limit: 10, | ||
| }); | ||
|
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| setResults(data.docs); | ||
| } catch (error) { | ||
| console.error("Search error:", error); | ||
| setResults([]); | ||
| } finally { | ||
| setIsLoading(false); | ||
| } | ||
| }, 300); // 300ms debounce | ||
|
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| return () => clearTimeout(timer); | ||
| }, [searchQuery]); |
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This useEffect hook for debounced search has a potential race condition. If a user types quickly, multiple search requests can be initiated. If an earlier, slower request resolves after a later, faster one, the UI will display stale results. To fix this, you should ignore the results of stale requests. You can achieve this by using a flag that is checked before setting state, and toggled in the effect's cleanup function.
useEffect(() => {
if (!searchQuery.trim()) {
setResults([]);
return;
}
let isStale = false;
setIsLoading(true);
const timer = setTimeout(async () => {
try {
const data = await searchFiles({
query: searchQuery,
page: 1,
limit: 10,
});
if (!isStale) {
setResults(data.docs);
}
} catch (error) {
if (!isStale) {
console.error("Search error:", error);
setResults([]);
}
} finally {
if (!isStale) {
setIsLoading(false);
}
}
}, 300); // 300ms debounce
return () => {
clearTimeout(timer);
isStale = true;
};
}, [searchQuery]);
| limit: 10, | ||
| }); | ||
|
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||
| setResults(data.docs); | ||
| } catch (error) { | ||
| console.error("Search error:", error); | ||
| setResults([]); | ||
| } finally { | ||
| setIsLoading(false); | ||
| } | ||
| }, 300); // 300ms debounce |
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The search result limit (10) on line 49 and the debounce delay (300) on line 59 are hardcoded. It's a good practice to extract these 'magic numbers' into named constants at the top of the file. This improves readability and makes them easier to modify in the future.
For example:
const SEARCH_RESULTS_LIMIT = 10;
const DEBOUNCE_DELAY_MS = 300;|
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| setResults(data.docs); | ||
| } catch (error) { | ||
| console.error("Search error:", error); |
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Currently, search API errors are only logged to the console. For a better user experience, consider displaying a user-facing error message, for example, using a toast notification or showing an error message within the search dialog. This informs the user that something went wrong with their search.
| const getCategoryLabel = (category: string, unitNumber?: number) => { | ||
| if (category === "unit" && unitNumber) { | ||
| return `Unit ${unitNumber}`; | ||
| } | ||
| if (category === "endsem") return "Previous Year - End-Sem"; | ||
| if (category === "insem") return "Previous Year - In-Sem"; | ||
| if (category === "decode") return "Decodes"; | ||
| if (category === "book") return "Books"; | ||
| return category; | ||
| }; |
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The getCategoryLabel function is redefined on every render of the AcademicsFileSearch component. Since it's a pure function that doesn't rely on any component state or props, it can be defined outside the component scope. This prevents unnecessary re-creation and is a good practice for code organization and a slight performance improvement.
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