Mentions matching

app/src/main/java/com/meloda/fast/adapter/MessagesAdapter.kt

@@ -392,7 +392,7 @@ class MessagesAdapter(
                     if (message.isOutbox()) R.attr.messageOutTextColor else R.attr.messageInTextColor
                 )
             )
-            text.text = VKUtil.matchMentions(message.text)
+            text.text = message.text
         }
 
         fun prepareDate(message: VKMessage, date: TextView) {

app/src/main/java/com/meloda/fast/api/model/VKMessage.kt

@@ -2,6 +2,7 @@ package com.meloda.fast.api.model
 
 import android.util.ArrayMap
 import androidx.room.*
+import com.meloda.fast.api.util.VKUtil
 import com.meloda.fast.database.dao.converters.ArrayListToByteArrayConverter
 import com.meloda.fast.database.dao.converters.ForwardedConverter
 import org.json.JSONObject
@@ -125,7 +126,9 @@ open class VKMessage() : VKModel() {
         fromId = o.optInt("from_id", -1)
         editTime = o.optInt("edit_time", -1)
         isOut = o.optInt("out") == 1
-        text = o.optString("text")
+
+        text = VKUtil.prepareMessageText(o.optString("text"))
+
         randomId = o.optInt("random_id", -1)
         conversationMessageId = o.optInt("conversation_message_id", -1)
         isImportant = o.optBoolean("important")

app/src/main/java/com/meloda/fast/api/util/VKUtil.kt

@@ -80,8 +80,46 @@ object VKUtil {
         return values
     }
 
-    fun matchMentions(text: String): String {
-        return text
+    fun prepareMessageText(message: String): String {
+        if (message.isEmpty()) return message
+
+        var newText = message
+
+        val mentions = hashMapOf<String, String>()
+
+        var startFrom = 0
+
+        while (true) {
+            val leftBracketIndex = newText.indexOf('[', startFrom)
+            val verticalLineIndex = newText.indexOf('|', startFrom)
+            val rightBracketIndex = newText.indexOf(']', startFrom)
+
+            if (leftBracketIndex == -1 ||
+                verticalLineIndex == -1 ||
+                rightBracketIndex == -1
+            ) {
+                break
+            }
+
+            val id = newText.substring(leftBracketIndex + 1, verticalLineIndex)
+
+            if (!id.matches(Regex("^id(\\d+)\$")) || rightBracketIndex - verticalLineIndex < 2) {
+                break
+            }
+
+            val text = newText.substring(verticalLineIndex + 1, rightBracketIndex)
+
+            val str = "[$id|$text]"
+
+            mentions[str] = text
+            startFrom = rightBracketIndex + 1
+        }
+
+        mentions.forEach {
+            newText = newText.replace(it.key, it.value)
+        }
+
+        return newText
     }
 
 //    fun removeTime(date: Date): Long {

app/src/main/java/com/meloda/fast/fragment/FragmentConversations.kt

@@ -74,7 +74,7 @@ class FragmentConversations : BaseFragment(), ConversationsView {
 
     private fun prepareToolbar() {
         initToolbar(R.id.toolbar)
-        toolbar.title = getString(R.string.navigation_conversations)
+        toolbar.title = getString(R.string.navigation_chats)
         setProfileAvatar()
 
         TaskManager.addOnEventListener(object : TaskManager.OnEventListener {