Create notification channels when app is startwd, add logging to notification manager

app/src/main/java/com/afollestad/nocknock/ui/MainActivity.kt

@@ -112,6 +112,7 @@ class MainActivity : AppCompatActivity(), View.OnClickListener {
     list.addItemDecoration(DividerItemDecoration(this, VERTICAL))
 
     fab.setOnClickListener(this)
+    notificationManager.createChannels()
   }
 
   override fun onResume() {

notifications/src/main/java/com/afollestad/nocknock/notifications/NockNotificationManager.kt

@@ -5,12 +5,15 @@
  */
 package com.afollestad.nocknock.notifications
 
+import android.annotation.TargetApi
 import android.app.Application
 import android.app.NotificationManager
 import android.app.PendingIntent
 import android.app.PendingIntent.FLAG_CANCEL_CURRENT
 import android.content.Intent
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
+import android.os.Build.VERSION_CODES
+import android.util.Log
 import androidx.core.app.NotificationCompat.DEFAULT_VIBRATE
 import com.afollestad.nocknock.data.ServerModel
 import com.afollestad.nocknock.notifications.Channel.Statuses
@@ -20,8 +23,6 @@ import com.afollestad.nocknock.utilities.qualifiers.AppIconRes
 import com.afollestad.nocknock.utilities.util.hasOreo
 import javax.inject.Inject
 
-const val STATUS_NOTIFICATION_ID = 3456
-
 /** @author Aidan Follestad (@afollestad) */
 interface NockNotificationManager {
 
@@ -48,12 +49,19 @@ class RealNockNotificationManager @Inject constructor(
     private const val BASE_REQUEST_CODE = 44
 
     const val KEY_MODEL = "model"
+
+    private fun log(message: String) {
+      if (BuildConfig.DEBUG) {
+        Log.d("NockNotificationManager", message)
+      }
+    }
   }
 
   private var isAppOpen = false
 
   override fun setIsAppOpen(open: Boolean) {
     this.isAppOpen = open
+    log("Is app open? $open")
   }
 
   override fun createChannels() {
@@ -64,9 +72,11 @@ class RealNockNotificationManager @Inject constructor(
   override fun postStatusNotification(model: ServerModel) {
     if (isAppOpen) {
       // Don't show notifications while the app is open
+      log("App is open, status notification for site ${model.id} won't be posted.")
       return
     }
 
+    log("Posting status notification for site ${model.id}...")
     val viewSiteActivityCls =
       Class.forName("com.afollestad.nocknock.ui.ViewSiteActivity")
     val openIntent = Intent(app, viewSiteActivityCls).apply {
@@ -90,22 +100,29 @@ class RealNockNotificationManager @Inject constructor(
       setDefaults(DEFAULT_VIBRATE)
     }
 
-    stockManager.notify(model.url, STATUS_NOTIFICATION_ID, newNotification)
+    stockManager.notify(model.url, model.notificationId(), newNotification)
+    log("Posted status notification for site ${model.notificationId()}.")
   }
 
   override fun cancelStatusNotification(model: ServerModel) {
-    stockManager.cancel(BASE_REQUEST_CODE + model.id)
+    stockManager.cancel(model.notificationId())
+    log("Cancelled status notification for site ${model.id}.")
   }
 
   override fun cancelStatusNotifications() {
     stockManager.cancelAll()
   }
 
+  @TargetApi(VERSION_CODES.O)
   private fun createChannel(channel: Channel) {
     if (!hasOreo()) {
+      log("Not running Android O, channels won't be created.")
       return
     }
     val notificationChannel = channel.toNotificationChannel(app)
     stockManager.createNotificationChannel(notificationChannel)
+    log("Created notification channel ${channel.id}")
   }
+
+  private fun ServerModel.notificationId() = BASE_REQUEST_CODE + this.id
 }