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153 changes: 153 additions & 0 deletions
153
...tend/app/src/main/kotlin/pt/ulisboa/ist/pharmacist/service/PharmacyNotificationService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| package pt.ulisboa.ist.pharmacist.service | ||
|
|
||
| import android.Manifest | ||
| import android.app.PendingIntent | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import android.content.pm.PackageManager | ||
| import android.location.Location | ||
| import android.os.Build | ||
| import androidx.core.app.ActivityCompat | ||
| import androidx.core.app.NotificationCompat | ||
| import androidx.core.app.NotificationManagerCompat | ||
| import com.google.android.gms.location.FusedLocationProviderClient | ||
| import com.google.android.gms.location.LocationServices | ||
| import com.google.android.gms.location.Priority | ||
| import kotlin.coroutines.resume | ||
| import kotlinx.coroutines.suspendCancellableCoroutine | ||
| import kotlinx.coroutines.sync.Mutex | ||
| import kotlinx.coroutines.sync.withLock | ||
| import pt.ulisboa.ist.pharmacist.PharmacistApplication | ||
| import pt.ulisboa.ist.pharmacist.R | ||
| import pt.ulisboa.ist.pharmacist.repository.local.PharmacistDatabase | ||
| import pt.ulisboa.ist.pharmacist.repository.local.pharmacies.PharmacyEntity | ||
| import pt.ulisboa.ist.pharmacist.ui.screens.pharmacy.PharmacyActivity | ||
|
|
||
|
|
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| class PharmacyNotificationService( | ||
| private val applicationContext: Context, | ||
| private val database: PharmacistDatabase | ||
| ) { | ||
| private val previousPharmacies = mutableSetOf<Long>() | ||
| private val mutex = Mutex() | ||
|
|
||
| suspend fun verifyNotifications(): Boolean = mutex.withLock { | ||
| val newPharmacies = mutableSetOf<Long>() | ||
| val location = getLocation() ?: return false | ||
|
|
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| database.pharmacyDao().getAllPharmacies() | ||
| .forEach { pharmacy -> | ||
| if (pharmacyNearMe( | ||
| location, | ||
| pharmacy | ||
| ) && pharmacy.pharmacyId !in previousPharmacies | ||
| ) { | ||
| showPharmacyNotification(pharmacy.pharmacyId, pharmacy.name) | ||
| newPharmacies.add(pharmacy.pharmacyId) | ||
| } | ||
| } | ||
|
|
||
| previousPharmacies.clear() | ||
| previousPharmacies.addAll(newPharmacies) | ||
|
|
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| return true | ||
| } | ||
|
|
||
| private suspend fun getLocation(): Location? { | ||
| val fusedLocationProviderClient: FusedLocationProviderClient = | ||
| LocationServices.getFusedLocationProviderClient(applicationContext) | ||
|
|
||
| if (ActivityCompat.checkSelfPermission( | ||
| applicationContext, | ||
| Manifest.permission.ACCESS_FINE_LOCATION | ||
| ) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission( | ||
| applicationContext, | ||
| Manifest.permission.ACCESS_COARSE_LOCATION | ||
| ) != PackageManager.PERMISSION_GRANTED | ||
| ) { | ||
| return null | ||
| } | ||
|
|
||
| return suspendCancellableCoroutine { continuation -> | ||
| fusedLocationProviderClient.getCurrentLocation(Priority.PRIORITY_HIGH_ACCURACY, null) | ||
| .addOnSuccessListener { receivedLocation -> | ||
| receivedLocation?.let { | ||
| continuation.resume(it) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private fun pharmacyNearMe(location: Location, pharmacy: PharmacyEntity): Boolean { | ||
| val pharmacyLocation = Location("pharmacy") | ||
| pharmacyLocation.latitude = pharmacy.latitude | ||
| pharmacyLocation.longitude = pharmacy.longitude | ||
|
|
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| return location.distanceTo(pharmacyLocation) <= MAX_DISTANCE_METERS | ||
| } | ||
|
|
||
| private fun showPharmacyNotification(pharmacyId: Long, pharmacyName: String) { | ||
| val notificationIntent = PharmacyActivity.getNavigationIntent( | ||
| applicationContext, | ||
| pharmacyId | ||
| ) | ||
|
|
||
| //TODO: Check what happens when the user clicks on the back button in the MedicineActivity after clicking on the notification | ||
| notificationIntent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK | ||
|
|
||
| val pendingNotiIntent: PendingIntent = PendingIntent.getActivity( | ||
| applicationContext, | ||
| 0, | ||
| notificationIntent, | ||
| PendingIntent.FLAG_IMMUTABLE | ||
| ) | ||
|
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||
|
|
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| val message = applicationContext.getString( | ||
| R.string.pharmacy_notification_message, | ||
| pharmacyName, | ||
| ) | ||
|
|
||
| // Show notification to the user | ||
| val notificationCompat = NotificationCompat.Builder( | ||
| applicationContext, | ||
| PharmacistApplication.MEDICINE_NOTIFICATION_CHANNEL | ||
| ) | ||
| .setSmallIcon(R.drawable.pharmacy_logo) | ||
| .setContentTitle( | ||
| applicationContext.getString( | ||
| R.string.pharmacy_notification_message, | ||
| pharmacyName | ||
| ) | ||
| ) | ||
| .setStyle(NotificationCompat.BigTextStyle().bigText(message)) | ||
| .setContentText(message) | ||
| .setPriority(NotificationCompat.PRIORITY_DEFAULT) | ||
| .setContentIntent(pendingNotiIntent) | ||
| .setAutoCancel(true) | ||
| .build() | ||
|
|
||
| with(NotificationManagerCompat.from(applicationContext)) { | ||
| if (!checkNotificationPermission()) { | ||
| return@with | ||
| } | ||
| notify(PHARMACY_NOTIFICATION_ID, notificationCompat) | ||
| } | ||
| } | ||
|
|
||
| private fun checkNotificationPermission(): Boolean = | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) { | ||
| ActivityCompat.checkSelfPermission( | ||
| applicationContext, | ||
| Manifest.permission.POST_NOTIFICATIONS | ||
| ) == PackageManager.PERMISSION_GRANTED | ||
| } else { | ||
| true | ||
| } | ||
|
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|
|
||
| companion object { | ||
| private const val PHARMACY_NOTIFICATION_ID = 1 | ||
| private const val MAX_DISTANCE_METERS = 100 | ||
| } | ||
| } |
23 changes: 23 additions & 0 deletions
23
...rontend/app/src/main/kotlin/pt/ulisboa/ist/pharmacist/service/PharmacyNotificationWork.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package pt.ulisboa.ist.pharmacist.service | ||
|
|
||
| import android.content.Context | ||
| import androidx.hilt.work.HiltWorker | ||
| import androidx.work.CoroutineWorker | ||
| import androidx.work.WorkerParameters | ||
| import dagger.assisted.Assisted | ||
| import dagger.assisted.AssistedInject | ||
|
|
||
| @HiltWorker | ||
| class PharmacyNotificationWork @AssistedInject constructor( | ||
| private val service: PharmacyNotificationService, | ||
| @Assisted appContext: Context, | ||
| @Assisted workerParams: WorkerParameters | ||
| ) : CoroutineWorker(appContext, workerParams) { | ||
|
|
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| override suspend fun doWork(): Result { | ||
| val success = service.verifyNotifications() | ||
|
|
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| return if (success) Result.success() else Result.failure() | ||
| } | ||
|
|
||
| } |
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