fix #109, show a notification if the device is turned on during an event

app/src/main/kotlin/com/simplemobiletools/calendar/extensions/Context.kt

@@ -152,6 +152,12 @@ fun Context.getFilteredEvents(events: List<Event>): List<Event> {
     return events.filter { displayEventTypes.contains(it.eventType.toString()) }
 }
 
+fun Context.notifyRunningEvents() {
+    dbHelper.getRunningEvents {
+        it.forEach { notifyEvent(it) }
+    }
+}
+
 fun Context.notifyEvent(event: Event) {
     val pendingIntent = getPendingIntent(this, event)
     val startTime = Formatter.getTimeFromTS(this, event.startTS)

app/src/main/kotlin/com/simplemobiletools/calendar/helpers/DBHelper.kt

@@ -390,6 +390,14 @@ class DBHelper private constructor(val context: Context) : SQLiteOpenHelper(cont
         return newEvents
     }
 
+    fun getRunningEvents(callback: (events: ArrayList<Event>) -> Unit) {
+        val selection = "$COL_START_TS <= ? AND $COL_END_TS >= ?"
+        val ts = (System.currentTimeMillis() / 1000).toString()
+        val selectionArgs = arrayOf(ts, ts)
+        val cursor = getEventsCursor(selection, selectionArgs)
+        callback(fillEvents(cursor) as ArrayList)
+    }
+
     private fun getEvents(selection: String): List<Event> {
         val events = ArrayList<Event>()
         var cursor: Cursor? = null

app/src/main/kotlin/com/simplemobiletools/calendar/receivers/BootCompletedReceiver.kt

@@ -4,6 +4,7 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import com.simplemobiletools.calendar.extensions.dbHelper
+import com.simplemobiletools.calendar.extensions.notifyRunningEvents
 import com.simplemobiletools.calendar.extensions.scheduleNextEventReminder
 
 class BootCompletedReceiver : BroadcastReceiver() {
@@ -13,5 +14,6 @@ class BootCompletedReceiver : BroadcastReceiver() {
         for (event in events) {
             context.scheduleNextEventReminder(event)
         }
+        context.notifyRunningEvents()
     }
 }