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Issue #11698: Add an updater to periodically fetch the Contile Top Sites
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91 changes: 91 additions & 0 deletions
91
...ervice/contile/src/main/java/mozilla/components/service/contile/ContileTopSitesUpdater.kt
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| Original file line number | Diff line number | Diff line change |
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| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| package mozilla.components.service.contile | ||
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| import android.content.Context | ||
| import androidx.annotation.VisibleForTesting | ||
| import androidx.work.Constraints | ||
| import androidx.work.ExistingPeriodicWorkPolicy | ||
| import androidx.work.NetworkType | ||
| import androidx.work.PeriodicWorkRequestBuilder | ||
| import androidx.work.WorkManager | ||
| import mozilla.components.support.base.log.logger.Logger | ||
| import java.util.concurrent.TimeUnit | ||
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| /** | ||
| * Provides functionality to schedule updates of Contile top sites. | ||
| * | ||
| * @property context A reference to the application context. | ||
| * @property provider An instance of [ContileTopSitesProvider] which provides access to the Contile | ||
| * services API for fetching top sites. | ||
| * @property frequency Optional [Frequency] that specifies how often the Contile top site updates | ||
| * should happen. | ||
| */ | ||
| class ContileTopSitesUpdater( | ||
| private val context: Context, | ||
| private val provider: ContileTopSitesProvider, | ||
| private val frequency: Frequency = Frequency(1, TimeUnit.DAYS) | ||
| ) { | ||
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| private val logger = Logger("ContileTopSitesUpdater") | ||
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| /** | ||
| * Starts a work request in the background to periodically update the list of | ||
| * Contile top sites. | ||
| */ | ||
| fun startPeriodicWork() { | ||
| ContileTopSitesUseCases.initialize(provider) | ||
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| WorkManager.getInstance(context).enqueueUniquePeriodicWork( | ||
| PERIODIC_WORK_TAG, | ||
| ExistingPeriodicWorkPolicy.KEEP, | ||
| createPeriodicWorkRequest() | ||
| ) | ||
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| logger.info("Started periodic work to update Contile top sites") | ||
| } | ||
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| /** | ||
| * Stops the work request to periodically update the list of Contile top sites. | ||
| */ | ||
| fun stopPeriodicWork() { | ||
| ContileTopSitesUseCases.destroy() | ||
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| WorkManager.getInstance(context).cancelUniqueWork(PERIODIC_WORK_TAG) | ||
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| logger.info("Stopped periodic work to update Contile top sites") | ||
| } | ||
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| @VisibleForTesting | ||
| internal fun createPeriodicWorkRequest() = | ||
| PeriodicWorkRequestBuilder<ContileTopSitesUpdaterWorker>( | ||
| repeatInterval = frequency.repeatInterval, | ||
| repeatIntervalTimeUnit = frequency.repeatIntervalTimeUnit | ||
| ).apply { | ||
| setConstraints(getWorkerConstraints()) | ||
| addTag(PERIODIC_WORK_TAG) | ||
| }.build() | ||
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| @VisibleForTesting | ||
| internal fun getWorkerConstraints() = Constraints.Builder() | ||
| .setRequiresStorageNotLow(true) | ||
| .setRequiredNetworkType(NetworkType.CONNECTED) | ||
| .build() | ||
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| companion object { | ||
| internal const val PERIODIC_WORK_TAG = "mozilla.components.service.contile.periodicWork" | ||
| } | ||
| } | ||
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| /** | ||
| * Indicates how often Contile top sites should be updated. | ||
| * | ||
| * @property repeatInterval Long indicating how often the update should happen. | ||
| * @property repeatIntervalTimeUnit The time unit of the [repeatInterval]. | ||
| */ | ||
| data class Frequency( | ||
| val repeatInterval: Long, | ||
| val repeatIntervalTimeUnit: TimeUnit | ||
| ) |
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