Migrate poll option responses to the generated PollOptionResponse model

[gpunto]

Goal

Migrate the poll option responses from the hand-written PollOptionResponse to the generated network models.

Part of AND-1291

Implementation

• Add generated PollOptionResponse and PollOptionResponseData; remove the hand-written PollOptionResponse.
• Add PollOptionResponseDataAdapter so the custom data the v1 endpoints flatten to the root is collected into custom.
• Retype the option endpoints in PollsApi and map PollOptionResponseData to the domain Option in DomainMapping.

Testing

• PollOptionResponseParsingTest covers the option and its collected custom fields. Removing the adapter registration makes the custom assertions fail.
• Device-probed the option endpoints on the wire, with custom data round-tripping through create and update (sentiment).

Summary by CodeRabbit

• Bug Fixes

  • Improved poll option response handling, including duration, identifiers, text, and custom fields.
  • Ensured poll options are correctly converted into the app’s domain model.
  • Added support for responses with or without custom fields.

• Tests

  • Added coverage for poll option parsing and custom-field handling.

[github-actions]

PR checklist ✅

All required conditions are satisfied:

• Title length is OK (or ignored by label).
• At least one pr: label exists.
• Sections ### Goal, ### Implementation, and ### Testing are filled, or the PR is bot-authored.
• An issue is linked (Linear ticket or GitHub issue), or the PR is bot-authored.

🎉 Great job! This PR is ready for review.

[github-actions]

SDK Size Comparison 📏

SDK	Before	After	Difference	Status
stream-chat-android-client	5.96 MB	5.96 MB	0.00 MB	🟢
stream-chat-android-ui-components	11.26 MB	11.26 MB	0.00 MB	🟢
stream-chat-android-compose	12.74 MB	12.74 MB	0.00 MB	🟢

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
80.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 5865166d-54b2-4174-93c7-c31d5ba6dd2d

📥 Commits

Reviewing files that changed from the base of the PR and between 3e0160e and 9864d6b.

📒 Files selected for processing (11)

• stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/MoshiChatApi.kt
• stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/endpoint/PollsApi.kt
• stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/mapping/DomainMapping.kt
• stream-chat-android-client/src/main/java/io/getstream/chat/android/client/parser2/MoshiChatParser.kt
• stream-chat-android-client/src/main/java/io/getstream/chat/android/client/parser2/adapters/PollOptionResponseDataAdapter.kt
• stream-chat-android-client/src/main/java/io/getstream/chat/android/network/models/PollOptionResponse.kt
• stream-chat-android-client/src/main/java/io/getstream/chat/android/network/models/PollOptionResponseData.kt
• stream-chat-android-client/src/test/java/io/getstream/chat/android/client/Mother.kt
• stream-chat-android-client/src/test/java/io/getstream/chat/android/client/api2/MoshiChatApiTest.kt
• stream-chat-android-client/src/test/java/io/getstream/chat/android/client/api2/MoshiChatApiTestArguments.kt
• stream-chat-android-client/src/test/java/io/getstream/chat/android/client/parser2/PollOptionResponseParsingTest.kt

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Walkthrough

Poll option API responses now use network-layer Moshi models. A custom adapter extracts root-level metadata, and domain mapping converts the parsed data into PollOption.

Changes

Poll option response handling

Layer / File(s)	Summary
Response models and Moshi contract stream-chat-android-client/src/main/java/io/getstream/chat/android/network/models/*	PollOptionResponse now uses explicit JSON mappings and PollOptionResponseData for poll option data.
Custom response parsing stream-chat-android-client/src/main/java/io/getstream/chat/android/client/parser2/*	Moshi registers an adapter that collects root-level custom fields during deserialization.
API and domain integration stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/*	Create and update operations read pollOption and map it with toDomain().
Test coverage and fixtures stream-chat-android-client/src/test/java/io/getstream/chat/android/client/*	Tests cover response fields, custom metadata, absent custom metadata, and updated API fixtures.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Possibly related PRs

• GetStream/stream-chat-android#6615: Migrates another API response to network models and updates mappings and tests.
• GetStream/stream-chat-android#6619: Migrates another API response from handwritten DTOs to network-layer Moshi models.

Suggested reviewers: velikovpetar, andremion

Poem

I hop through models, neat and bright,
Custom fields now parse just right.
Poll options map from wire to hay,
Tests guard each field along the way.
— A cheerful rabbit 🐇

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the migration of poll option responses to the generated model.
Description check	✅ Passed	The description covers the goal, implementation, related issue, testing, and wire verification; omitted UI sections are not relevant.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

📝 Generate docstrings 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch migrate/poll-options

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