fix!: decode the shape the live v3 API actually sends - #13
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getEventTeams threw a TypeError on every real response: StatboticsEpa read
epa.total_points as a {mean, sd} object when the API sends a bare number, and
StatboticsTeamEvent read wins/rank as top-level fields when they live under
record.total and record.qual.
Rename the EPA fields to match the API, add unitless and norm, and drop
totalPointsSd, which the API no longer reports. Add getTeamYears and
StatboticsTeamYear for season-over-season history, completing issue #9.
Model tests now assert against captured live bodies in test/fixtures/, so a
shape change fails a test instead of reaching a consumer. The hand-written
maps agreed with the models rather than the API, which is how this survived.
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📝 WalkthroughWalkthroughThe client now supports the Statbotics v3 API shape, adds ChangesStatbotics v3 API support
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🟡 Moderate · up to The PR fixes live API decoding and adds historical team data, but upgrading existing cached responses can silently reset team records and ranking data while cached phase EPA values may disappear. Merge readiness is moderate until legacy fallbacks and regression tests are added. Suggested reviewers: Poem
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Inline comments:
In `@CHANGELOG.md`:
- Around line 39-41: Update the CHANGELOG migration statement to acknowledge the
new public getTeamYears method, StatboticsTeamYear model, and getTeamEvents
addition, and replace “Nothing else in the public API changed” with wording that
accurately states no other existing call sites require migration.
In `@lib/src/statbotics_client.dart`:
- Around line 75-76: Update the documentation near the event and season response
descriptions to clearly state that when Statbotics has no events or seasons for
a team, the endpoint returns HTTP 200 with an empty list. Replace the incomplete
“A team Statbotics...” wording while preserving the unknown-team behavior and
existing API details.
In `@lib/src/statbotics_models.dart`:
- Around line 274-275: Update the StatboticsTeamEvent cache decoding near the
total and qual record extraction to fall back to the original JSON record when
nested total or qual maps are absent, preserving legacy flat wins, losses, ties,
rank, and num_teams values. Add a cache-upgrade test covering the former flat
record shape and verifying those values are restored.
- Around line 215-217: Update the EPA parsing that assigns autoPoints,
teleopPoints, and endgamePoints to use each breakdown value when present,
falling back to the corresponding top-level EPA key when absent. Add a
legacy-cache test covering all three phase values and verifying they remain
populated.
In `@pubspec.yaml`:
- Line 3: Before publishing, create and push the v0.4.0 release tag and matching
GitHub release for the version declared in pubspec.yaml, then update the
consuming app’s dependency pin to reference v0.4.0.
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CHANGELOG.mdREADME.mdlib/src/statbotics_client.dartlib/src/statbotics_models.dartpubspec.yamltest/fixtures/event.jsontest/fixtures/events_by_year.jsontest/fixtures/matches_by_event.jsontest/fixtures/team_events_by_event.jsontest/fixtures/team_events_by_team.jsontest/fixtures/team_years_by_team.jsontest/fixtures/teams.jsontest/statbotics_client_test.dart
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The partial {mean, sd} fallback covered total_points but not the record or
the per-phase breakdown, so a legacy cache would still have decoded to zeroed
wins and null ranks. Completing it would guard a state that cannot exist: the
cache writer requires a successful decode, decoding threw on every live
response, and every release shipped inside the outage. Removed rather than
finished, with the reasoning in the changelog.
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On the moderate merge risk, specifically "upgrading existing cached responses can silently reset team records and ranking data while cached phase EPA values may disappear": correct about the code as it stood, and it caught a real inconsistency. The I removed it rather than completing it, because the state it guards cannot occur:
So the migration path would have been ten lines defending an unreachable state, and justifying it needed a paragraph, which is the signal that the code is wrong rather than the comment missing. The reasoning is in the changelog under 0.4.0 where the history belongs. Two things I could not establish, stated as unknowns rather than glossed: whether the API changed shape during the outage or the client was wrong from the start. The app's inline predecessor used the same
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@coderabbitai review |
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isNotNull only catches a field decoding to null. A field read from the wrong but still populated place passes it, which is half the bug class these fixtures exist for. Pinning the values immediately caught that the raw /team_events body is not rank-ordered, so row 0 is team 199, not the rank-1 team getEventTeams sorts to the front.
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Two review findings addressed in The backward-compat claim in the PR body was false. Correct catch. The The removal itself stands, for the reason in the previous comment: the cache writer runs only after a successful decode, decoding threw on every live response, and every release shipped inside the outage, so no consumer holds an old-shape team-event record. The Also corrected the test count in the PR body: 38, not 39.
Not changed, and why: the round-trip tests were already pinning exact values, so the |
The migration note claimed nothing else in the public API changed, which omitted getTeamYears, StatboticsTeamYear, getTeamEvents, unitless and norm. Additive surface still belongs in a migration note, if only to say no caller has to adopt it. Also reworded two sentences that had a team answering a request rather than the endpoint.
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Five review comments, worked through in Fixed: the migration note omitted the additive surface. It said "Nothing else in the public API changed", which is wrong: this release adds Fixed: two doc sentences had a team answering a request. "A team Statbotics has no events for answers 200 with Declined: restore a flat-record fallback in Both ask for the legacy cache-migration path this branch deliberately removed in
A fallback plus its test would be code and coverage for a state that cannot be reached, and the previous revision showed the practical cost of a half-done version: it covered Not a code change: tag v0.4.0 and bump the consuming app. That is the plan and the order it happens in. This repo's release protocol is merge, then tag the merge commit on
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@coderabbitai resolve |
✅ Action performedComments resolved and changes approved. |
1 participant
What changed
StatboticsEpaandStatboticsTeamEventdid not match the API. Against a real/team_eventsresponse,getEventTeamsthrew:Two separate mismatches:
epa.total_points.meanepa.total_points, a bare numberepa.auto_points.meanepa.breakdown.auto_points, barewins/losses/tiesrecord.total.*rank/numTeamsrecord.qual.*The EPA one throws. The record one is quieter: those four decoded to
0andnull.Fixed both, and renamed the EPA fields to say what they are.
totalPointsMeanwas sourced from a field that is not a mean, so it is nowtotalPoints, withautoPoints,teleopPoints,endgamePointsalongside. Addedunitlessandnorm, the scales that compare across seasons. RemovedtotalPointsSd: the API reports no standard deviation anywhere now.Also added
getTeamYears(team)andStatboticsTeamYear, the remaining half of #9, verified against live data now that it can be. One row per season with that season's EPA, record, and worldwide EPA rank.Why this survived
Statbotics answered HTTP 500 on every data endpoint from 2026-06-15 until roughly 2026-09-02, so the models could not be run against a live body for eleven weeks. But the outage is only half the reason. The tests asserted against hand-written maps that agreed with the models, so they confirmed the author's belief about the API rather than the API itself. They passed the whole time and would have kept passing.
So the fix is structural, not just a field rename.
test/fixtures/now holds seven real response bodies captured 2026-09-02, and every model has a test that decodes one. A shape change now fails a test instead of reaching a consumer.Verification
Live, against the real API, with this branch:
dart format,dart analyzeanddart test(38 tests) all pass.Breaking
Consumers rename four field reads:
totalPointsMeantototalPoints, and the same forauto/teleop/endgame. Nothing else in the public API moved. Code reading onlyrecord,rankornumTeamsneeds no edit, though it was reading zeros before this.No cache migration, deliberately. An on-device last-good cache (#512) cannot hold team-event data written by an earlier version: the cache writer runs only after a successful decode, decoding threw on every live response, and every release of this package (0.1.0 on 2026-08-05 onward) shipped inside the outage.
An earlier revision of this branch carried a partial
{mean, sd}fallback fortotal_points. It is gone as of c8fa0a5, because it covered the EPA total and not the record or the breakdown, so a legacy record would still have decoded to zeroed wins and null ranks. See the review thread below.Closes #9.
Noticed, not fixed
_getturns into a thrownStatboticsApiException. That is correct (it is a malformed request), but the old doc comments claimed unknown teams come back as 404. They actually answer 200 with[]. Corrected both comments rather than the behavior./v3/match/{key}answers 500 with{}for a key Statbotics does not have, where every list endpoint answers 200 with[]._gettreats 5xx as transient and retries three times before throwing, so a single missing match key costs three requests and a backoff. No method in this client calls that endpoint yet, so nothing is affected today, but agetMatchwould want to special-case it.epa.stats(start,mean,max,pre_champs) andepa.ranks.country/state/districtare decoded by nothing. They are the natural inputs for a "how did they get here" narrative, so a consumer that wants them will need another field pass.Summary by CodeRabbit
New Features
getTeamYears(team)to retrieve a team’s season history, newest first.Bug Fixes
Documentation