move event searching into Room

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/MainActivity.kt

@@ -738,9 +738,8 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
         mLatestSearchQuery = text
         search_placeholder_2.beGoneIf(text.length >= 2)
         if (text.length >= 2) {
-            dbHelper.getEventsWithSearchQuery(text) { searchedText, events ->
+            EventsHelper(applicationContext).getEventsWithSearchQuery(text, this) { searchedText, events ->
                 if (searchedText == mLatestSearchQuery) {
-                    runOnUiThread {
                     search_results_list.beVisibleIf(events.isNotEmpty())
                     search_placeholder.beVisibleIf(events.isEmpty())
                     val listItems = getEventListItems(events)
@@ -756,7 +755,6 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
                     search_results_list.adapter = eventsAdapter
                 }
             }
-            }
         } else {
             search_placeholder.beVisible()
             search_results_list.beGone()

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

@@ -98,20 +98,6 @@ class DBHelper private constructor(val context: Context) : SQLiteOpenHelper(cont
         }
     }
 
-    fun getEventsWithSearchQuery(text: String, callback: (searchedText: String, events: List<Event>) -> Unit) {
-        Thread {
-            val searchQuery = "%$text%"
-            val selection = "$COL_TITLE LIKE ? OR $COL_LOCATION LIKE ? OR $COL_DESCRIPTION LIKE ?"
-            val selectionArgs = arrayOf(searchQuery, searchQuery, searchQuery)
-            val cursor = getEventsCursor(selection, selectionArgs)
-            val events = fillEvents(cursor)
-
-            val displayEventTypes = context.config.displayEventTypes
-            val filteredEvents = events.filter { displayEventTypes.contains(it.eventType.toString()) }
-            callback(text, filteredEvents)
-        }.start()
-    }
-
     fun getEvents(fromTS: Int, toTS: Int, eventId: Long = -1L, applyTypeFilter: Boolean = true, callback: (events: ArrayList<Event>) -> Unit) {
         Thread {
             getEventsInBackground(fromTS, toTS, eventId, applyTypeFilter, callback)

app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/EventsHelper.kt

@@ -191,4 +191,16 @@ class EventsHelper(val context: Context) {
             callback(eventIds.isNotEmpty())
         }.start()
     }
+
+    fun getEventsWithSearchQuery(text: String, activity: Activity, callback: (searchedText: String, events: List<Event>) -> Unit) {
+        Thread {
+            val searchQuery = "%$text%"
+            val events = context.eventsDB.getEventsForSearch(searchQuery)
+            val displayEventTypes = context.config.displayEventTypes
+            val filteredEvents = events.filter { displayEventTypes.contains(it.eventType.toString()) }
+            activity.runOnUiThread {
+                callback(text, filteredEvents)
+            }
+        }.start()
+    }
 }

app/src/main/kotlin/com/simplemobiletools/calendar/pro/interfaces/EventsDao.kt

@@ -50,6 +50,9 @@ interface EventsDao {
     @Query("SELECT id FROM events WHERE source = :source AND import_id != \"\"")
     fun getCalDAVCalendarEvents(source: String): List<Long>
 
+    @Query("SELECT * FROM events WHERE title LIKE :searchQuery OR location LIKE :searchQuery OR description LIKE :searchQuery")
+    fun getEventsForSearch(searchQuery: String): List<Event>
+
     @Query("UPDATE events SET event_type = $REGULAR_EVENT_TYPE_ID WHERE event_type = :eventTypeId")
     fun resetEventsWithType(eventTypeId: Long)