Fix open group deletion issue

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt

@@ -214,6 +214,11 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
             threadID = DatabaseFactory.getThreadDatabase(this).getOrCreateThreadIdFor(recipient)
         }
         this.threadID = threadID
+        val thread = DatabaseFactory.getThreadDatabase(this).getRecipientForThreadId(threadID)
+        if (thread == null) {
+            Toast.makeText(this, "This thread has been deleted.", Toast.LENGTH_LONG).show()
+            return finish()
+        }
         setUpRecyclerView()
         setUpToolBar()
         setUpInputBar()
@@ -233,6 +238,13 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         scrollToFirstUnreadMessageIfNeeded()
         markAllAsRead()
         showOrHideInputIfNeeded()
+        if (this.thread.isOpenGroupRecipient) {
+            val openGroup = DatabaseFactory.getLokiThreadDatabase(this).getOpenGroupChat(threadID)
+            if (openGroup == null) {
+                Toast.makeText(this, "This thread has been deleted.", Toast.LENGTH_LONG).show()
+                return finish()
+            }
+        }
     }
 
     override fun onResume() {

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageView.kt

@@ -96,7 +96,7 @@ class VisibleMessageView : LinearLayout {
             profilePictureView.glide = glide
             profilePictureView.update()
             if (thread.isOpenGroupRecipient) {
-                val openGroup = DatabaseFactory.getLokiThreadDatabase(context).getOpenGroupChat(threadID)!!
+                val openGroup = DatabaseFactory.getLokiThreadDatabase(context).getOpenGroupChat(threadID) ?: return
                 val isModerator = OpenGroupAPIV2.isUserModerator(senderSessionID, openGroup.room, openGroup.server)
                 moderatorIconImageView.visibility = if (isModerator) View.VISIBLE else View.INVISIBLE
             } else {

app/src/main/java/org/thoughtcrime/securesms/loki/activities/HomeActivity.kt

@@ -154,16 +154,6 @@ class HomeActivity : PassphraseRequiredActionBarActivity(), ConversationClickLis
             }
         }
         EventBus.getDefault().register(this@HomeActivity)
-        testDateFormatting()
-    }
-
-    private fun testDateFormatting() {
-        val timestamp = Date().time
-        Log.d("Test", getString(R.string.DateUtils_just_now))
-        Log.d("Test", DateUtils.getFormattedDateTime(timestamp, DateUtils.getHourFormat(this), Locale.getDefault()))
-        Log.d("Test", DateUtils.getFormattedDateTime(timestamp, "EEE " + DateUtils.getHourFormat(this), Locale.getDefault()))
-        Log.d("Test", DateUtils.getFormattedDateTime(timestamp, "MMM d " + DateUtils.getHourFormat(this), Locale.getDefault()))
-        Log.d("Test", DateUtils.getFormattedDateTime(timestamp, "MMM d " + DateUtils.getHourFormat(this) + ", yyyy", Locale.getDefault()))
     }
 
     override fun onResume() {

app/src/main/java/org/thoughtcrime/securesms/loki/api/OpenGroupManager.kt

@@ -116,6 +116,7 @@ object OpenGroupManager {
         val lokiThreadDB = DatabaseFactory.getLokiThreadDatabase(context)
         lokiThreadDB.removeOpenGroupChat(threadID)
         ThreadUtils.queue {
+            threadDB.deleteConversation(threadID) // Must be invoked on a background thread
             GroupManager.deleteGroup(groupID, context) // Must be invoked on a background thread
         }
     }