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Migrate the predefined filter to the generated model - #6722

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gpunto merged 3 commits into
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migrate/predefined-filter
Sep 24, 2026
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gpunto merged 3 commits into
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migrate/predefined-filter

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@gpunto

@gpunto gpunto commented Sep 23, 2026 •

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Goal

Parse the predefined filter returned by queryChannels with the generated
ParsedPredefinedFilterResponse, retiring the hand-written declaration.

Part of AND-1291

Implementation

  • Point QueryChannelsResponse.predefined_filter at the generated model and drop the hand-written class
    that sat in the same file. Vendors ParsedPredefinedFilterResponse, the only new model in the closure.
  • Type the sort. toSortDomain takes List<SortParamRequest> instead of List<Map<String, Any>>, so it
    reads field and direction off the model rather than digging them out of a map.
  • Map null filter conditions to field existence checks, since the generated filter map allows null values.
    A null condition used to throw while parsing the response, failing the whole query.

Notes

The sort was already typed on the wire:

Sort commonpayloads.SortParamRequestList `json:"sort,omitempty"`

with Field string and an int Direction. The map version was a stand-in, and the widening it needed
((value as? Number)?.toInt()) was there only because Moshi boxes JSON numbers as Double when the target
is Any. With the generated model the field is an Int? and that case cannot be constructed, so its test
row goes away. The other rejection cases, missing field, missing direction and an out-of-range direction,
stay covered.

The round-trip test moves off QuerySortByField.toDto(), which is the public core model conversion, onto
toSortParams(), the request-side one that produces the same shape the response now carries.

The backend reads a null operand as IS NULL / IS NOT NULL, so {"f": null} and $eq: null become
Filters.notExists, and $ne: null becomes Filters.exists, which matches iOS (Filter.isNil is
$exists: false). This is exact for columns; for a custom field set to null the domain filter cannot hold a
null value, so it reads as the key being absent. Nulls inside $in are now dropped individually, since SQL
IN never matches them; previously a null element dropped the whole condition. Other operators with a null
operand are dropped, as unknown operators already were.

Testing

Device-probed both paths against a predefined filter configured on the app: the populated one came back
with the interpolated filter resolved and a two-spec sort, and a plain queryChannels came back with a
null filter. Null conditions are covered by parser tests, including one decoded from JSON.

Summary by CodeRabbit

  • Bug Fixes
    • Predefined channel filters now ignore conditions with null values, preventing empty criteria from affecting results.
    • Predefined channel sorting now handles typed sort parameters, helping server-provided sort options map correctly.
    • Improved handling of predefined filter and sort data when loading channel results.

@gpunto gpunto added the pr:internal Internal changes / housekeeping label Sep 23, 2026
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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

github-actions Bot commented Sep 23, 2026 •

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SDK Size Comparison 📏

SDK Before After Difference Status
stream-chat-android-client 6.09 MB 6.09 MB 0.00 MB 🟢
stream-chat-android-ui-components 11.40 MB 11.40 MB 0.00 MB 🟢
stream-chat-android-compose 13.07 MB 13.07 MB 0.00 MB 🟢

@gpunto gpunto changed the title Parse the predefined filter with the generated model Migrate the predefined filter to the generated model Sep 23, 2026
@gpunto
gpunto marked this pull request as ready for review September 23, 2026 15:10
@gpunto
gpunto requested a review from a team as a code owner September 23, 2026 15:10
@coderabbitai

coderabbitai Bot commented Sep 23, 2026 •

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Review in Change Stack →

Navigate logical layers of code changes, visualize relationships, and explore their blast radius.

Walkthrough

Predefined-filter responses now use a network model with typed sort parameters. Sort conversion reads fields from typed parameters. Query-channel mapping omits filter conditions with null values. Tests use typed sort parameters and cover the updated conversion path.

Changes

Predefined filter mapping

Layer / File(s) Summary
Typed sort response and conversion
stream-chat-android-client/src/main/java/io/getstream/chat/android/network/models/ParsedPredefinedFilterResponse.kt, stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/model/response/QueryChannelsResponse.kt, stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/mapping/DomainMapping.kt, stream-chat-android-client/src/test/java/io/getstream/chat/android/client/api2/mapping/DomainMappingTest.kt, stream-chat-android-client/src/test/java/io/getstream/chat/android/client/api2/mapping/QuerySortByFieldRoundTripTest.kt
The response model now holds typed sort parameters. toSortDomain() reads each parameter's field and direction. Mapping and round-trip tests use SortParamRequest.
Query filter mapping and tests
stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/MoshiChatApi.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
queryChannels excludes filter conditions with null values. API tests import the response model from network.models and provide typed sort parameters.

Estimated code review effort: 2 (Simple) | ~12 minutes

Suggested reviewers: velikovpetar

Merge Risk: 🔵 Low · up to 35467

The change is mergeable with a bounded test gap: add a server-JSON decoding test to protect configured predefined-filter sorts from silently falling back to the default sort.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 25.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 8 functions across 8 files. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (4 passed)
Check name Status Explanation
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.
Title check ✅ Passed The title clearly identifies the main change: migrating the predefined filter to the generated model.
Description check ✅ Passed The description provides complete Goal, Implementation, Notes, and Testing sections. It explains the generated model migration, typed sort mapping, null filter handling, and validation. UI sections, c…
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A rabbit checks the typed sort rows,
And hops where each direction goes.
Null filters leave the mapping trail,
While tests confirm each typed detail.
The burrow stores the model right,
Then rests beneath the moonlit byte.

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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
In
`@stream-chat-android-client/src/test/java/io/getstream/chat/android/client/api2/MoshiChatApiTest.kt`:
- Around line 2314-2320: Update the predefined-filter sort test around
ParsedPredefinedFilterResponse to exercise JSON decoding through the generated
response adapter or Retrofit converter using the server response shape, then
assert that created_at is returned with ascending direction rather than the
default last_updated sort.

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ℹ️ Review info
⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Advanced

Run ID: 27cf5914-2172-425e-9ee0-7607e74f7ebd

📥 Commits

Reviewing files that changed from the base of the PR and between 8abc5f6 and 35467d9.

📒 Files selected for processing (8)
  • 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/mapping/DomainMapping.kt
  • stream-chat-android-client/src/main/java/io/getstream/chat/android/client/api2/model/response/QueryChannelsResponse.kt
  • stream-chat-android-client/src/main/java/io/getstream/chat/android/network/models/ParsedPredefinedFilterResponse.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/api2/mapping/DomainMappingTest.kt
  • stream-chat-android-client/src/test/java/io/getstream/chat/android/client/api2/mapping/QuerySortByFieldRoundTripTest.kt

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@andremion andremion left a comment

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Looks good. One question inline, not blocking.

@sonarqubecloud

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@gpunto
gpunto added this pull request to the merge queue Sep 24, 2026
Merged via the queue into develop with commit e590dda Sep 24, 2026
19 of 20 checks passed
@gpunto
gpunto deleted the migrate/predefined-filter branch September 24, 2026 14:18
@stream-public-bot stream-public-bot added the released Included in a release label Sep 30, 2026
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🚀 Available in v7.13.0

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3 participants