⚡️ Quicker UI updates when adding participant

[lukevella]

Avoid doing waiting for a round-trip to the server to update the UI with the new participant

Summary by CodeRabbit

• Bug Fixes
  • Improved the participant addition process in polls to ensure the participant list is accurately updated and refreshed upon new entries.

[coderabbitai]

Walkthrough

This update enhances the useAddParticipantMutation function, focusing on improving the handling of participant additions in polls. Specifically, it revises the onSuccess callback to efficiently incorporate a newly added participant into the current vote tally, ensuring the participant list is promptly updated and relevant data is refreshed for accuracy in real-time interactions.

Changes

File Path	Change Summary
.../poll/mutations.ts	Modified onSuccess in useAddParticipantMutation to update participant list and invalidate cache.

🐇✨
In the code where bits align,
A rabbit hopped, making design refine.
With each leap and bound,
New participants were found,
In the poll, they now shine.
🌟📊

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[coderabbitai]

Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between f9d5d0a and d0f12d9.

Files selected for processing (1)

• apps/web/src/components/poll/mutations.ts (1 hunks)

Additional comments: 1

apps/web/src/components/poll/mutations.ts (1)

• 22-32: The onSuccess callback in useAddParticipantMutation correctly updates the participant list upon successfully adding a new participant. However, there are a few areas for improvement:

• Performance: Directly mutating the existing participants array (if it were done) could lead to unintended side effects. However, the current implementation correctly creates a new array, preserving immutability.
• Best Practices: The use of existingParticipants = [] as a default parameter ensures that the function can handle cases where existingParticipants might be undefined. This is a good defensive programming practice.
• Correctness: The new participant is added to the beginning of the list. This is a design choice, but it's important to ensure this aligns with the UI expectations and user experience.
• Data Integrity: Ensure that the input.votes structure matches the expected format for votes in the participant list. This is not directly verifiable from the provided code but is crucial for maintaining data consistency.

Overall, the implementation seems solid, but it's essential to keep these considerations in mind, especially regarding data integrity and UI expectations.