fix(app): reduce idle power and refresh show rankings - #1006
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Consolidate background work and keep subscription ordering current without disruptive in-session reshuffles.
ashwkun
added
the
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📝 WalkthroughSummary by CodeRabbit
WalkthroughThe change adds playback lifecycle power policies, separates subscription recency from canonical Your Shows scoring, adds stable Home ordering refreshes, and limits automatic smart-download synchronization to one run per 24 hours. ChangesPlayback lifecycle and power policy
Your Shows ranking and Home refresh
Smart download sync cadence
Estimated code review effort: 4 (Complex) | ~60 minutes Merge Risk: 🟡 Moderate · up to This PR changes playback teardown, session persistence, automatic downloads, and Home refresh behavior. At the current head, resumed playback could still be stopped, final listening updates could be lost during service shutdown, and overlapping download runs could waste work or battery; smaller timestamp and refresh-order issues also remain. Merge should wait for fixes or explicit owner acceptance of these risks. Sequence Diagram(s)sequenceDiagram
participant MainActivity
participant PlaybackRepository
participant PlaybackUiVisibility
participant BoxLorePlaybackService
participant Player
MainActivity->>PlaybackRepository: setUiForeground(true or false)
PlaybackRepository->>PlaybackUiVisibility: update foreground state
PlaybackUiVisibility->>BoxLorePlaybackService: notify visibility change
BoxLorePlaybackService->>Player: schedule or cancel paused-idle teardown
PlaybackRepository->>Player: poll position while UI is foregrounded
sequenceDiagram
participant HomeScreen
participant HomeViewModel
participant HomeShowsRefreshPolicy
participant HomeViewModelLoadData
participant HomeUiAssemblyLogic
HomeScreen->>HomeViewModel: onHomeStarted()
HomeViewModel->>HomeShowsRefreshPolicy: check snapshot age and pending generation
HomeViewModel->>HomeViewModelLoadData: publish refresh generation
HomeViewModelLoadData->>HomeUiAssemblyLogic: assemble refreshed order
HomeUiAssemblyLogic-->>HomeScreen: stable Home rows
Important Pre-merge checks failedPlease resolve all errors before merging. Addressing warnings is optional. ❌ Failed checks (1 error, 1 warning)
✅ Passed checks (7 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 4.84% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 62 functions across 24 files. (8 skipped: 8 unsupported.) Full details: Unresolved Review ThreadsExplanation Eight prior review findings remain unresolved. The PR head has no follow-up commit. The requested controller, manager, and Home orchestration tests are absent. Resolution Fix each finding, add the requested hermetic regression tests, and mark every addressed thread Resolved. If a finding is not applicable, explicitly dismiss it with a short rationale. Re-run the review-thread gate after all thread states are updated. Full details: Architecture ComplianceExplanation PASS. The PR adds no cross-feature Gradle dependency or production import; the added Home import is within Full details: Module Readme UpdatedExplanation All changed production Kotlin is covered by a modified module README in the same PR. The diff shows app/src/main covered by app/README.md; core/database, core/downloads, core/playback, and core/ranking covered by their respective READMEs; and feature/home covered by feature/home/README.md. No changed production Kotlin path lacks its matching README. Test-only and config changes do not add a requirement. Full details: Jvm Tests For Changed LogicExplanation The PR adds hermetic JVM coverage under ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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Actionable comments posted: 5
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Inline comments:
In
`@core/downloads/src/main/java/cx/aswin/boxlore/core/downloads/SmartDownloadManager.kt`:
- Around line 394-406: Update SmartDownloadManager.performSync to serialize the
cadence check and entire sync execution, using a Mutex or an atomic
shared-storage claim so concurrent callers cannot both pass shouldRunSync.
Preserve manual-sync behavior and existing return semantics, and add a
concurrent JVM regression test verifying the sync body executes only once.
In
`@core/downloads/src/main/java/cx/aswin/boxlore/core/downloads/SmartDownloadScheduleLogic.kt`:
- Around line 27-34: Update shouldRunSync so a lastSuccessfulSyncMs later than
nowMs is treated as eligible for automatic sync, while preserving manual,
unset-timestamp, and normal interval behavior. Add a regression test covering a
future stored timestamp and asserting that shouldRunSync returns true.
In
`@core/playback/src/main/java/cx/aswin/boxlore/core/playback/PlaybackIntroOutroController.kt`:
- Around line 179-191: Extend or add a hermetic JVM test for
PlaybackIntroOutroController covering the outro-monitor lifecycle: start
monitoring after configuration resolves, stop when playback stops or
effectiveSkipEndingMs becomes zero, and clear or avoid retaining a stale
outroMonitorJob. Anchor the test to startOutroMonitor and the relevant
configuration/playback transition APIs, while preserving existing predicate
coverage in PlaybackPowerPolicyTest.
Apply the same fix in
`@core/downloads/src/test/java/cx/aswin/boxlore/core/downloads/SmartDownloadScheduleLogicTest.kt`
around lines 69 - 87: Covers the negative timestamp boundary.
Apply the same fix in
`@core/downloads/src/main/java/cx/aswin/boxlore/core/downloads/SmartDownloadManager.kt`
around lines 394 - 406: Covers manager-level cadence behavior.
Apply the same fix in
`@feature/home/src/main/java/cx/aswin/boxlore/feature/home/HomeViewModel.kt`
around lines 218 - 231: Covers Home refresh orchestration and its load-flow
handoff.
In
`@core/playback/src/main/java/cx/aswin/boxlore/core/playback/service/BoxLorePlaybackService.kt`:
- Around line 924-931: Update the remainsIdle teardown flow in
BoxLorePlaybackService so cancellation from
PlaybackProgressCoordinator.saveProgressOnce is propagated or checked before
ending telemetry, pausing the player, and calling stopSelf; re-evaluate the idle
predicate after the suspended persistence completes to avoid tearing down
resumed playback. Add a hermetic regression test covering playback resuming
while saveProgressOnce is suspended.
In
`@feature/home/src/main/java/cx/aswin/boxlore/feature/home/HomeViewModelLoadData.kt`:
- Around line 485-489: In the initial assembly flow, update
stablePodcastOrderCreatedAtMs and appliedShowsOrderRefreshGeneration before
assigning stablePodcastOrder, so observers never see a non-null order with
uninitialized refresh metadata. Preserve the existing conditional updates
governed by previousShowsOrder and refreshShowsOrder.
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📒 Files selected for processing (32)
app/README.mdapp/src/main/java/cx/aswin/boxlore/MainActivity.ktconfig/ktlint/feature-home-baseline.xmlcore/database/README.mdcore/database/src/main/java/cx/aswin/boxlore/core/database/PodcastScoring.ktcore/database/src/test/java/cx/aswin/boxlore/core/database/PodcastScoringTest.ktcore/downloads/README.mdcore/downloads/src/main/java/cx/aswin/boxlore/core/downloads/SmartDownloadManager.ktcore/downloads/src/main/java/cx/aswin/boxlore/core/downloads/SmartDownloadScheduleLogic.ktcore/downloads/src/test/java/cx/aswin/boxlore/core/downloads/SmartDownloadScheduleLogicTest.ktcore/playback/README.mdcore/playback/src/main/java/cx/aswin/boxlore/core/playback/PlaybackIntroOutroController.ktcore/playback/src/main/java/cx/aswin/boxlore/core/playback/PlaybackPowerPolicy.ktcore/playback/src/main/java/cx/aswin/boxlore/core/playback/PlaybackRepository.ktcore/playback/src/main/java/cx/aswin/boxlore/core/playback/service/BoxLorePlaybackService.ktcore/playback/src/main/java/cx/aswin/boxlore/core/playback/service/MediaDownloadService.ktcore/playback/src/main/java/cx/aswin/boxlore/core/playback/service/PlaybackServicePlayerFactory.ktcore/playback/src/test/java/cx/aswin/boxlore/core/playback/PlaybackPowerPolicyTest.ktcore/ranking/README.mdcore/ranking/src/main/java/cx/aswin/boxlore/core/ranking/YourShowsScorer.ktcore/ranking/src/main/java/cx/aswin/boxlore/core/ranking/YourShowsSubscriptionRecency.ktcore/ranking/src/test/java/cx/aswin/boxlore/core/ranking/YourShowsScorerTest.ktcore/ranking/src/test/java/cx/aswin/boxlore/core/ranking/YourShowsSubscriptionRecencyTest.ktdocs/recommendation-system.mdfeature/home/README.mdfeature/home/src/main/java/cx/aswin/boxlore/feature/home/HomeDataModels.ktfeature/home/src/main/java/cx/aswin/boxlore/feature/home/HomeScreen.ktfeature/home/src/main/java/cx/aswin/boxlore/feature/home/HomeViewModel.ktfeature/home/src/main/java/cx/aswin/boxlore/feature/home/HomeViewModelLoadData.ktfeature/home/src/main/java/cx/aswin/boxlore/feature/home/logic/HomeShowsOrderLogic.ktfeature/home/src/main/java/cx/aswin/boxlore/feature/home/logic/HomeUiAssemblyLogic.ktfeature/home/src/test/java/cx/aswin/boxlore/feature/home/logic/HomeShowsOrderLogicTest.kt
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Serialize smart-download admission and recheck playback idleness so overlapping work or resumed playback cannot trigger stale cleanup.
Release finished monitor jobs so later playback transitions always start from current state.
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1 participant
Summary
Motivation
Long-lived paused playback and frequent polling/notification work could waste battery. Home could also retain an old subscription order for the entire process lifetime while Library displayed newly calculated scores.
What changed
Behavior & compatibility
WAKE_MODE_NETWORK, Smart Queue ownership, and stored identities remain unchanged.Impact (required)
User impact — pick exactly one
user-impact-criticaluser-impact-highuser-impact-mediumuser-impact-lowno-user-impactListener impact
What changes in the user’s life:
Backend — optional
backend-changeRelease copy (verbatim — highest priority)
CHANGELOG.md (developer copy)
Changed
README What's New / Upcoming (listener copy)
Improved
Test plan
:app,:core:playback,:core:downloads,:core:database,:core:ranking, and:feature:homeassembleDebug./gradlew installDebug