[messages] add log truncation worker

app/src/main/java/me/capcom/smsgateway/data/dao/MessageDao.kt

@@ -51,4 +51,7 @@ interface MessageDao {
 
     @Query("UPDATE messagerecipient SET state = :state, error = :error WHERE messageId = :id")
     fun updateRecipientsState(id: String, state: Message.State, error: String?)
+
+    @Query("DELETE FROM message WHERE createdAt < :until AND state <> 'Pending'")
+    suspend fun truncateLog(until: Long)
 }

app/src/main/java/me/capcom/smsgateway/modules/messages/MessagesService.kt

@@ -23,6 +23,7 @@ import me.capcom.smsgateway.modules.encryption.EncryptionService
 import me.capcom.smsgateway.modules.events.EventBus
 import me.capcom.smsgateway.modules.messages.data.SendRequest
 import me.capcom.smsgateway.modules.messages.events.MessageStateChangedEvent
+import me.capcom.smsgateway.modules.messages.workers.LogTruncateWorker
 import me.capcom.smsgateway.modules.messages.workers.SendMessagesWorker
 import me.capcom.smsgateway.receivers.EventsReceiver
 import java.util.Date
@@ -40,9 +41,11 @@ class MessagesService(
 
     fun start() {
         SendMessagesWorker.start(context)
+        LogTruncateWorker.start(context)
     }
 
     fun stop() {
+        LogTruncateWorker.stop(context)
         SendMessagesWorker.stop(context)
     }
 
@@ -117,6 +120,12 @@ class MessagesService(
         updateState(id, phone, state, error)
     }
 
+    suspend fun truncateLog() {
+        val lifetime = settings.logLifetimeDays ?: return
+
+        dao.truncateLog(System.currentTimeMillis() - lifetime * 86400000L)
+    }
+
     internal suspend fun sendPendingMessages(): Boolean {
         val messages = dao.selectPending()
         if (messages.isEmpty()) {

app/src/main/java/me/capcom/smsgateway/modules/messages/MessagesSettings.kt

@@ -23,10 +23,15 @@ class MessagesSettings(
     val limitValue: Int
         get() = storage.get(LIMIT_VALUE) ?: 0
 
+    val logLifetimeDays: Int?
+        get() = storage.get<Int?>(LOG_LIFETIME_DAYS)?.takeIf { it > 0 }
+
     companion object {
         private const val SECONDS_BETWEEN_MESSAGES = "SECONDS_BETWEEN_MESSAGES"
 
         private const val LIMIT_PERIOD = "limit_period"
         private const val LIMIT_VALUE = "limit_value"
+
+        private const val LOG_LIFETIME_DAYS = "log_lifetime_days"
     }
 }

app/src/main/java/me/capcom/smsgateway/modules/messages/workers/LogTruncateWorker.kt

@@ -0,0 +1,54 @@
+package me.capcom.smsgateway.modules.messages.workers
+
+import android.content.Context
+import androidx.work.Constraints
+import androidx.work.CoroutineWorker
+import androidx.work.ExistingPeriodicWorkPolicy
+import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkManager
+import androidx.work.WorkerParameters
+import me.capcom.smsgateway.modules.messages.MessagesService
+import org.koin.core.component.KoinComponent
+import org.koin.core.component.inject
+import java.util.concurrent.TimeUnit
+
+class LogTruncateWorker(appContext: Context, params: WorkerParameters) : CoroutineWorker(
+    appContext,
+    params
+), KoinComponent {
+    private val messagesSvc: MessagesService by inject()
+
+    override suspend fun doWork(): Result = try {
+        messagesSvc.truncateLog()
+        Result.success()
+    } catch (e: Throwable) {
+        e.printStackTrace()
+        Result.retry()
+    }
+
+    companion object {
+        private const val NAME = "LogTruncateWorker"
+
+        fun start(context: Context) {
+            val work = PeriodicWorkRequestBuilder<LogTruncateWorker>(1L, TimeUnit.DAYS)
+                .setConstraints(
+                    Constraints.Builder()
+                        .setRequiresBatteryNotLow(true)
+                        .build()
+                )
+                .build()
+
+            WorkManager.getInstance(context)
+                .enqueueUniquePeriodicWork(
+                    NAME,
+                    ExistingPeriodicWorkPolicy.KEEP,
+                    work
+                )
+        }
+
+        fun stop(context: Context) {
+            WorkManager.getInstance(context)
+                .cancelUniqueWork(NAME)
+        }
+    }
+}

app/src/main/java/me/capcom/smsgateway/ui/SettingsFragment.kt

@@ -73,6 +73,14 @@ class SettingsFragment : PreferenceFragmentCompat() {
             }
         }
 
+        if (preference.key == "messages.log_lifetime_days") {
+            (preference as EditTextPreference).setOnBindEditTextListener {
+                it.inputType = InputType.TYPE_CLASS_NUMBER
+                it.setSelectAllOnFocus(true)
+                it.selectAll()
+            }
+        }
+
         super.onDisplayPreferenceDialog(preference)
     }
 

app/src/main/res/drawable/ic_log_lifetime.xml

@@ -0,0 +1,4 @@
+<vector android:height="24dp" android:viewportHeight="512"
+    android:viewportWidth="512" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@color/white" android:pathData="M75,75L41,41C25.9,25.9 0,36.6 0,57.9L0,168c0,13.3 10.7,24 24,24L134.1,192c21.4,0 32.1,-25.9 17,-41l-30.8,-30.8C155,85.5 203,64 256,64c106,0 192,86 192,192s-86,192 -192,192c-40.8,0 -78.6,-12.7 -109.7,-34.4c-14.5,-10.1 -34.4,-6.6 -44.6,7.9s-6.6,34.4 7.9,44.6C151.2,495 201.7,512 256,512c141.4,0 256,-114.6 256,-256S397.4,0 256,0C185.3,0 121.3,28.7 75,75zM256,128c-13.3,0 -24,10.7 -24,24L232,256c0,6.4 2.5,12.5 7,17l72,72c9.4,9.4 24.6,9.4 33.9,0s9.4,-24.6 0,-33.9l-65,-65L279.9,152c0,-13.3 -10.7,-24 -24,-24z"/>
+</vector>

app/src/main/res/values/strings.xml

@@ -38,6 +38,7 @@
     <string name="private_token">Private Token</string>
     <string name="ignored_for_public_server">Ignored for public server</string>
     <string name="address_is">Address is %1$s</string>
+    <string name="log_lifetime_days">Log lifetime, days</string>
     <string name="limits">Limits</string>
     <string name="period">Period</string>
     <string name="messages_count">Messages count</string>

app/src/main/res/xml/root_preferences.xml

@@ -22,6 +22,11 @@
     </PreferenceCategory>
 
     <PreferenceCategory app:title="@string/messages_header">
+        <EditTextPreference
+            app:icon="@drawable/ic_log_lifetime"
+            app:key="messages.log_lifetime_days"
+            app:useSimpleSummaryProvider="true"
+            app:title="@string/log_lifetime_days" />
 
         <SeekBarPreference
             android:max="600"