added focus functionality on home page search bar

[kayashth1]

Resolves #929

Summary by CodeRabbit

• New Features
  • Enhanced the search input behavior to automatically display suggestions when the search field is focused with text entered.
  • Cleared any highlighted suggestions when there is no valid input, providing a smoother and more intuitive search experience for users.
  • Added functionality to remove focus from the search input when the 'Escape' key is pressed.

[coderabbitai]

Walkthrough

The changes introduce a new reference, inputRef, for the search input field in the MultiSearch component. The handleKeyDown function is modified to call inputRef.current?.blur() when the 'Escape' key is pressed, removing focus from the input field. Additionally, a new function, handleFocusSearch, is added to manage the focus event on the input, checking conditions related to searchQuery and showSuggestions. The input's onFocus event is updated to invoke this new function, enhancing user interaction control.

Changes

File	Change Summary
frontend/src/.../MultiSearch.tsx	Added new variable inputRef and method handleFocusSearch. Updated the onFocus handler to call handleFocusSearch. Modified handleKeyDown to include inputRef.current?.blur() for 'Escape' key.

Sequence Diagram(s)

sequenceDiagram
    participant U as User
    participant I as Input Field
    participant H as handleFocusSearch()
    
    U->>I: Focus on search input
    I->>H: Trigger onFocus event
    alt searchQuery not empty and suggestions hidden
        H-->>I: Set showSuggestions = true (display suggestions)
    else
        H-->>I: Reset highlightedIndex to null
    end

Loading

Poem

I'm just a little rabbit in the code parade,
Hoping through lines with a skip and a shade.
The focus now shines, suggestions spring anew,
Clearing old highlights, making room for the view.
A joyful hop, a tech delight, in every line I wade!
🐇✨

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Reviewing files that changed from the base of the PR and between 94bc6d6 and 5b5f8c4.

📒 Files selected for processing (1)

• frontend/src/components/MultiSearch.tsx (4 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (5)

• GitHub Check: Run backend tests
• GitHub Check: Run frontend unit tests
• GitHub Check: CodeQL (python)
• GitHub Check: Run frontend e2e tests
• GitHub Check: CodeQL (javascript-typescript)

🔇 Additional comments (5)

frontend/src/components/MultiSearch.tsx (5)

36-36: Well-implemented ref for the input element.

Adding this ref enables direct DOM manipulation of the input element, which is necessary for the blur functionality implemented below.

---

91-91: Great fix for the Escape key behavior.

This directly addresses the prior feedback where pressing Escape would close the dropdown but clicking on the search bar wouldn't reopen it. By explicitly blurring the input when Escape is pressed, you ensure that subsequent focus events will properly trigger the dropdown.

---

159-165: Good implementation of focus handling logic.

The handleFocusSearch function correctly handles the case where a user focuses on the search bar after previously dismissing the suggestions. The condition checks both that there's content in the search query and that suggestions aren't currently displayed.

---

192-192: Correct assignment of ref to input element.

This connects the previously defined ref to the actual DOM element.

---

194-194: Properly wired up focus handler.

This correctly attaches the new focus handler to the input element.

✨ Finishing Touches

• 📝 Generate Docstrings

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

frontend/src/components/MultiSearch.tsx (1)

157-163: Fix spacing in else statement for code style consistency.

The new handleFocusSearch function looks good functionally but has inconsistent formatting in the else statement. There should be spaces around the else keyword to match the code style used throughout the rest of the component.

  const handleFocusSearch = () => {
    if (searchQuery.trim().length > 0 && !showSuggestions) {
      setShowSuggestions(true)
-  }else{
+  } else {
    setHighlightedIndex(null)
  }
}

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 126b0b1 and a4e9303.

📒 Files selected for processing (1)

• frontend/src/components/MultiSearch.tsx (2 hunks)

🔇 Additional comments (1)

frontend/src/components/MultiSearch.tsx (1)

191-191: Good UX improvement with onFocus handler.

Adding the onFocus handler to show suggestions when the user focuses on the search field is a good UX improvement. This allows users to see their previous search results immediately when they click back into the search field.

[kasya]

Thank you for working on this!
One issue I noticed ⬇️

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[kasya]

LGTM!