fix #103, make sure private contact names are shown at group conversations

app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/MainActivity.kt

@@ -185,20 +185,8 @@ class MainActivity : SimpleActivity() {
     private fun getNewConversations(cachedConversations: ArrayList<Conversation>) {
         val privateCursor = getMyContactsCursor().loadInBackground()
         ensureBackgroundThread {
-            val conversations = getConversations()
-
-            // check if no message came from a privately stored contact in Simple Contacts
             val privateContacts = MyContactsContentProvider.getSimpleContacts(this, privateCursor)
-            if (privateContacts.isNotEmpty()) {
-                conversations.filter { it.title == it.phoneNumber }.forEach { conversation ->
-                    privateContacts.forEach { contact ->
-                        if (contact.doesContainPhoneNumber(conversation.phoneNumber)) {
-                            conversation.title = contact.name
-                            conversation.photoUri = contact.photoUri
-                        }
-                    }
-                }
-            }
+            val conversations = getConversations(privateContacts = privateContacts)
 
             runOnUiThread {
                 setupConversations(conversations)

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

@@ -185,7 +185,7 @@ fun Context.getMMSSender(msgId: Int): String {
     return ""
 }
 
-fun Context.getConversations(threadId: Long? = null): ArrayList<Conversation> {
+fun Context.getConversations(threadId: Long? = null, privateContacts: ArrayList<SimpleContact> = ArrayList()): ArrayList<Conversation> {
     val uri = Uri.parse("${Threads.CONTENT_URI}?simple=true")
     val projection = arrayOf(
         Threads._ID,
@@ -226,7 +226,7 @@ fun Context.getConversations(threadId: Long? = null): ArrayList<Conversation> {
             return@queryCursor
         }
 
-        val names = getThreadContactNames(phoneNumbers)
+        val names = getThreadContactNames(phoneNumbers, privateContacts)
         val title = TextUtils.join(", ", names.toTypedArray())
         val photoUri = if (phoneNumbers.size == 1) simpleContactHelper.getPhotoUriFromPhoneNumber(phoneNumbers.first()) else ""
         val isGroupConversation = phoneNumbers.size > 1
@@ -356,10 +356,20 @@ fun Context.getThreadPhoneNumbers(recipientIds: List<Int>): ArrayList<String> {
     return numbers
 }
 
-fun Context.getThreadContactNames(phoneNumbers: List<String>): ArrayList<String> {
+fun Context.getThreadContactNames(phoneNumbers: List<String>, privateContacts: ArrayList<SimpleContact>): ArrayList<String> {
     val names = ArrayList<String>()
-    phoneNumbers.forEach {
-        names.add(SimpleContactsHelper(this).getNameFromPhoneNumber(it))
+    phoneNumbers.forEach { number ->
+        val name = SimpleContactsHelper(this).getNameFromPhoneNumber(number)
+        if (name != number) {
+            names.add(name)
+        } else {
+            val privateContact = privateContacts.firstOrNull { it.doesContainPhoneNumber(number) }
+            if (privateContact == null) {
+                names.add(name)
+            } else {
+                names.add(privateContact.name)
+            }
+        }
     }
     return names
 }