From ff0cc0b0055fd13a344edd4324ab802dc79eda37 Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Fri, 8 May 2020 22:49:54 +0200
Subject: [PATCH] speed up SMS loading by caching blocked numbers

---
 .../smsmessenger/extensions/Context.kt               | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt
index df6c6f4e..97dd03ba 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/extensions/Context.kt
@@ -46,10 +46,20 @@ fun Context.getMessages(threadId: Int): ArrayList<Message> {
     val selectionArgs = arrayOf(threadId.toString())
     val sortOrder = "${Sms._ID} DESC LIMIT 100"
 
+    val blockStatus = HashMap<String, Boolean>()
     var messages = ArrayList<Message>()
     queryCursor(uri, projection, selection, selectionArgs, sortOrder, showErrors = true) { cursor ->
         val senderNumber = cursor.getStringValue(Sms.ADDRESS)
-        if (isNumberBlocked(senderNumber)) {
+
+        val isNumberBlocked = if (blockStatus.containsKey(senderNumber)) {
+            blockStatus[senderNumber] ?: false
+        } else {
+            val isBlocked = isNumberBlocked(senderNumber)
+            blockStatus[senderNumber] = isBlocked
+            isBlocked
+        }
+
+        if (isNumberBlocked) {
             return@queryCursor
         }