Samir Boulahtit
ac5f46cff3
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Stamp / earn / enroll actions performed without connectivity now persist in the existing pending_transactions Room table and drain via a SyncWorker as soon as the network constraint is satisfied. Redemption stays online-only (server needs the authoritative balance — queueing would let cashiers redeem rewards customers have already spent). Pieces: - Hilt-Work plumbing: androidx.hilt:hilt-compiler KSP processor wired, RewardFlowApp now implements Configuration.Provider with the injected HiltWorkerFactory, AndroidManifest disables the WorkManager auto-init via the AndroidX startup tools:node="remove" pattern. Bumped Dagger to 2.55 so its compiler can read Kotlin 2.1 metadata — 2.51 crashed with "Unable to read Kotlin metadata due to unsupported metadata version" once we added @Inject lateinit var on the Application class. - data/sync/SyncWorker.kt — @HiltWorker CoroutineWorker that drains the queue FIFO. Per row: HTTP error → permanent markFailed; IOException → Result.retry(); success → markSynced + sweep at end of run. - data/repository/QueueRepository.kt — single entrypoint for "queue this offline action". queueStamp / queuePointsEarn / queueEnroll Moshi-serialize the request body and enqueueUniqueWork(KEEP) the worker under a NetworkType.CONNECTED constraint with 30s exponential backoff. scheduleSync() is idempotent. - TerminalViewModel: runAction(block, queueOnNetworkFailure) — on IOException AND a queue lambda is provided, queue + emit ActionResult.Queued. HttpException paths still surface the server's message inline. Stamp / Earn / Enroll go through the queue path; redeem actions pass null. setStaffPinId records who initiated each queued row. init schedules a sync so anything left from a previous session drains on screen entry. pendingSyncCount is combined into state via Flow<Int> from the DAO; when it drops to 0 we refresh the recent-transactions feed so the UI shows what just synced. - TerminalScreen: PendingSyncPill in the top bar (only visible when count > 0) gives the cashier feedback that a queued action is waiting + that the queue is draining live. Cleartext + readable HTTP errors from yesterday remain in. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
113 lines
3.2 KiB
Kotlin
113 lines
3.2 KiB
Kotlin
plugins {
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alias(libs.plugins.android.application)
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alias(libs.plugins.kotlin.android)
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alias(libs.plugins.kotlin.compose)
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alias(libs.plugins.ksp)
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alias(libs.plugins.hilt)
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}
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android {
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namespace = "lu.rewardflow.terminal"
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compileSdk = 35
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defaultConfig {
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applicationId = "lu.rewardflow.terminal"
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minSdk = 26 // Android 8.0 — covers 95%+ of tablets
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targetSdk = 35
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versionCode = 1
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versionName = "1.0.0"
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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debug {
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buildConfigField("String", "DEFAULT_API_URL", "\"http://10.0.2.2:8000\"")
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}
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release {
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isMinifyEnabled = true
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isShrinkResources = true
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proguardFiles(
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getDefaultProguardFile("proguard-android-optimize.txt"),
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"proguard-rules.pro"
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)
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buildConfigField("String", "DEFAULT_API_URL", "\"https://rewardflow.lu\"")
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_17
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targetCompatibility = JavaVersion.VERSION_17
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}
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kotlinOptions {
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jvmTarget = "17"
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}
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buildFeatures {
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compose = true
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buildConfig = true
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}
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}
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dependencies {
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// AndroidX Core
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implementation(libs.androidx.core.ktx)
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implementation(libs.androidx.appcompat)
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implementation(libs.material)
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// Compose
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implementation(platform(libs.compose.bom))
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implementation(libs.compose.ui)
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implementation(libs.compose.ui.graphics)
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implementation(libs.compose.ui.tooling.preview)
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implementation(libs.compose.material3)
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implementation(libs.compose.material.icons)
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implementation(libs.activity.compose)
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implementation(libs.navigation.compose)
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implementation(libs.lifecycle.runtime.compose)
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implementation(libs.lifecycle.viewmodel.compose)
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debugImplementation(libs.compose.ui.tooling)
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// Networking (Retrofit + Moshi)
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implementation(libs.retrofit)
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implementation(libs.retrofit.moshi)
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implementation(libs.okhttp)
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implementation(libs.okhttp.logging)
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implementation(libs.moshi)
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ksp(libs.moshi.codegen)
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// Room (offline database)
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implementation(libs.room.runtime)
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implementation(libs.room.ktx)
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ksp(libs.room.compiler)
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// WorkManager (background sync)
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implementation(libs.work.runtime.ktx)
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// Hilt (dependency injection)
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implementation(libs.hilt.android)
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ksp(libs.hilt.compiler)
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implementation(libs.hilt.navigation.compose)
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implementation(libs.hilt.work)
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ksp(libs.androidx.hilt.compiler)
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// CameraX + ML Kit (QR scanning)
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implementation(libs.camera.core)
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implementation(libs.camera.camera2)
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implementation(libs.camera.lifecycle)
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implementation(libs.camera.view)
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implementation(libs.mlkit.barcode)
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// DataStore (device config persistence)
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implementation(libs.datastore.preferences)
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// bcrypt (verify staff PIN hashes locally — pure Java, no native deps)
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implementation(libs.bcrypt)
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// Testing
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testImplementation(libs.junit)
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androidTestImplementation(libs.junit.android)
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androidTestImplementation(libs.espresso.core)
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}
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