update the Alarm enabled state at toggling

app/src/main/kotlin/com/simplemobiletools/clock/adapters/AlarmsAdapter.kt

@@ -6,6 +6,7 @@ import android.view.ViewGroup
 import com.simplemobiletools.clock.R
 import com.simplemobiletools.clock.activities.SimpleActivity
 import com.simplemobiletools.clock.extensions.formatAlarmTime
+import com.simplemobiletools.clock.interfaces.ToggleAlarmInterface
 import com.simplemobiletools.clock.models.Alarm
 import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
 import com.simplemobiletools.commons.extensions.getAdjustedPrimaryColor
@@ -14,8 +15,8 @@ import com.simplemobiletools.commons.views.MyRecyclerView
 import kotlinx.android.synthetic.main.item_alarm.view.*
 import java.util.*
 
-class AlarmsAdapter(activity: SimpleActivity, var alarms: ArrayList<Alarm>, recyclerView: MyRecyclerView, itemClick: (Any) -> Unit) :
+class AlarmsAdapter(activity: SimpleActivity, var alarms: ArrayList<Alarm>, val toggleAlarmInterface: ToggleAlarmInterface,
-        MyRecyclerViewAdapter(activity, recyclerView, null, itemClick) {
+                    recyclerView: MyRecyclerView, itemClick: (Any) -> Unit) : MyRecyclerViewAdapter(activity, recyclerView, null, itemClick) {
     private val adjustedPrimaryColor = activity.getAdjustedPrimaryColor()
 
     override fun getActionMenuId() = R.menu.cab_alarms
@@ -79,6 +80,9 @@ class AlarmsAdapter(activity: SimpleActivity, var alarms: ArrayList<Alarm>, recy
 
             alarm_switch.isChecked = alarm.isEnabled
             alarm_switch.setColors(textColor, adjustedPrimaryColor, backgroundColor)
+            alarm_switch.setOnClickListener {
+                toggleAlarmInterface.alarmToggled(alarm.id, alarm_switch.isChecked)
+            }
         }
     }
 }

app/src/main/kotlin/com/simplemobiletools/clock/fragments/AlarmFragment.kt

@@ -11,13 +11,16 @@ import com.simplemobiletools.clock.adapters.AlarmsAdapter
 import com.simplemobiletools.clock.dialogs.EditAlarmDialog
 import com.simplemobiletools.clock.extensions.createNewAlarm
 import com.simplemobiletools.clock.extensions.dbHelper
+import com.simplemobiletools.clock.interfaces.ToggleAlarmInterface
 import com.simplemobiletools.clock.models.Alarm
+import com.simplemobiletools.commons.extensions.toast
 import com.simplemobiletools.commons.extensions.updateTextColors
 import kotlinx.android.synthetic.main.fragment_alarm.view.*
 
-class AlarmFragment : Fragment() {
+class AlarmFragment : Fragment(), ToggleAlarmInterface {
     private val DEFAULT_ALARM_MINUTES = 480
 
+    private var alarms = ArrayList<Alarm>()
     lateinit var view: ViewGroup
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
@@ -43,10 +46,10 @@ class AlarmFragment : Fragment() {
     }
 
     private fun setupAlarms() {
-        val alarms = context!!.dbHelper.getAlarms()
+        alarms = context!!.dbHelper.getAlarms()
         val currAdapter = view.alarms_list.adapter
         if (currAdapter == null) {
-            val alarmsAdapter = AlarmsAdapter(activity as SimpleActivity, alarms, view.alarms_list) {
+            val alarmsAdapter = AlarmsAdapter(activity as SimpleActivity, alarms, this, view.alarms_list) {
                 openEditAlarm(it as Alarm)
             }
             view.alarms_list.adapter = alarmsAdapter
@@ -60,4 +63,12 @@ class AlarmFragment : Fragment() {
             setupAlarms()
         }
     }
+
+    override fun alarmToggled(id: Int, isEnabled: Boolean) {
+        if (context!!.dbHelper.updateAlarmEnabledState(id, isEnabled)) {
+            alarms.firstOrNull { it.id == id }?.isEnabled = isEnabled
+        } else {
+            activity!!.toast(R.string.unknown_error_occurred)
+        }
+    }
 }

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

@@ -67,6 +67,14 @@ class DBHelper private constructor(val context: Context) : SQLiteOpenHelper(cont
         return mDb.update(ALARMS_TABLE_NAME, values, selection, selectionArgs) == 1
     }
 
+    fun updateAlarmEnabledState(id: Int, isEnabled: Boolean): Boolean {
+        val selectionArgs = arrayOf(id.toString())
+        val values = ContentValues()
+        values.put(COL_IS_ENABLED, isEnabled)
+        val selection = "$COL_ID = ?"
+        return mDb.update(ALARMS_TABLE_NAME, values, selection, selectionArgs) == 1
+    }
+
     private fun fillAlarmContentValues(alarm: Alarm): ContentValues {
         return ContentValues().apply {
             put(COL_TIME_IN_MINUTES, alarm.timeInMinutes)

app/src/main/kotlin/com/simplemobiletools/clock/interfaces/ToggleAlarmInterface.kt

@@ -0,0 +1,5 @@
+package com.simplemobiletools.clock.interfaces
+
+interface ToggleAlarmInterface {
+    fun alarmToggled(id: Int, isEnabled: Boolean)
+}