From f29cc65dc0ecdaeac7b6075a7660a97fb3c3c949 Mon Sep 17 00:00:00 2001
From: Javinator9889 <dev@javinator9889.com>
Date: Tue, 30 Jun 2020 14:21:36 +0200
Subject: [PATCH] Implemented logic of ActivityNotifications

---
 .../gms/activity/ActivityReceiver.kt          | 32 ++++++++++++++++++-
 .../utils/calendar/Calendar.kt                | 12 +++++++
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/javinator9889/handwashingreminder/gms/activity/ActivityReceiver.kt b/app/src/main/java/com/javinator9889/handwashingreminder/gms/activity/ActivityReceiver.kt
index 745a03e..8c449ec 100644
--- a/app/src/main/java/com/javinator9889/handwashingreminder/gms/activity/ActivityReceiver.kt
+++ b/app/src/main/java/com/javinator9889/handwashingreminder/gms/activity/ActivityReceiver.kt
@@ -23,6 +23,7 @@ import android.content.Context
 import android.content.Intent
 import androidx.annotation.StringRes
 import androidx.emoji.text.EmojiCompat
+import androidx.preference.PreferenceManager
 import com.google.android.gms.location.ActivityTransition
 import com.google.android.gms.location.ActivityTransitionResult
 import com.google.android.gms.location.DetectedActivity
@@ -30,11 +31,16 @@ import com.javinator9889.handwashingreminder.R
 import com.javinator9889.handwashingreminder.emoji.EmojiLoader
 import com.javinator9889.handwashingreminder.notifications.NotificationsHandler
 import com.javinator9889.handwashingreminder.utils.ACTIVITY_CHANNEL_ID
+import com.javinator9889.handwashingreminder.utils.Preferences
+import com.javinator9889.handwashingreminder.utils.calendar.CalendarUtils
 import com.javinator9889.handwashingreminder.utils.goAsync
 import kotlinx.coroutines.Deferred
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import timber.log.Timber
+import java.io.*
+import java.util.*
+import java.util.concurrent.TimeUnit
 
 class ActivityReceiver : BroadcastReceiver() {
     /**
@@ -82,6 +88,24 @@ class ActivityReceiver : BroadcastReceiver() {
         detectedActivity: Int,
         context: Context
     ) {
+        val preferences = PreferenceManager.getDefaultSharedPreferences(context)
+        val timeInBetweenNotifications =
+            preferences.getInt(Preferences.ACTIVITY_MINIMUM_TIME, 15)
+        val timeFile = File(context.cacheDir, "activity.time")
+        var latestNotificationTime = 0L
+        withContext(Dispatchers.IO) {
+            if (timeFile.exists()) {
+                DataInputStream(FileInputStream(timeFile)).use {
+                    latestNotificationTime = it.readLong()
+                }
+            }
+        }
+        val timeDifference = CalendarUtils.timeBetweenIn(
+            TimeUnit.MINUTES,
+            latestNotificationTime
+        )
+        if (timeDifference <= timeInBetweenNotifications)
+            return
         val notificationContent = when (detectedActivity) {
             DetectedActivity.WALKING ->
                 NotificationContent(
@@ -113,7 +137,8 @@ class ActivityReceiver : BroadcastReceiver() {
             val emojiCompat = emojiLoader.await()
             title = emojiCompat.process(title)
             content = emojiCompat.process(content)
-        } catch (_: IllegalStateException) { }
+        } catch (_: IllegalStateException) {
+        }
         withContext(Dispatchers.Main) {
             notificationsHandler.createNotification(
                 iconDrawable = R.drawable.ic_stat_handwashing,
@@ -123,6 +148,11 @@ class ActivityReceiver : BroadcastReceiver() {
                 longContent = content
             )
         }
+        withContext(Dispatchers.IO) {
+            DataOutputStream(FileOutputStream(timeFile)).use {
+                it.writeLong(Calendar.getInstance().timeInMillis)
+            }
+        }
     }
 }
 
diff --git a/app/src/main/java/com/javinator9889/handwashingreminder/utils/calendar/Calendar.kt b/app/src/main/java/com/javinator9889/handwashingreminder/utils/calendar/Calendar.kt
index 28118a4..a58c7c4 100644
--- a/app/src/main/java/com/javinator9889/handwashingreminder/utils/calendar/Calendar.kt
+++ b/app/src/main/java/com/javinator9889/handwashingreminder/utils/calendar/Calendar.kt
@@ -19,6 +19,7 @@
 package com.javinator9889.handwashingreminder.utils.calendar
 
 import java.util.*
+import java.util.concurrent.TimeUnit
 
 object CalendarUtils {
     val today: Calendar
@@ -41,4 +42,15 @@ object CalendarUtils {
             today.add(Calendar.MONTH, -1)
             today
         }
+
+    fun timeBetweenIn(
+        unit: TimeUnit,
+        to: Long,
+        from: Long = Calendar.getInstance().timeInMillis
+    ): Long = unit.convert(timeBetween(from, to), TimeUnit.MILLISECONDS)
+
+    fun timeBetween(
+        to: Long,
+        from: Long = Calendar.getInstance().timeInMillis
+    ): Long = from - to
 }
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