Merge pull request #4281 from nextcloud/file_name_audio_recordings

fix file name of voice recording

app/src/main/java/com/nextcloud/talk/chat/data/io/MediaRecorderManager.kt

@@ -31,6 +31,7 @@ class MediaRecorderManager : LifecycleAwareManager {
         private const val VOICE_MESSAGE_CHANNELS = 1
         private const val FILE_DATE_PATTERN = "yyyy-MM-dd HH-mm-ss"
         private const val VOICE_MESSAGE_FILE_SUFFIX = ".mp3"
+        private const val VOICE_MESSAGE_PREFIX_MAX_LENGTH = 146
     }
 
     var currentVoiceRecordFile: String = ""
@@ -140,14 +141,19 @@ class MediaRecorderManager : LifecycleAwareManager {
     private fun setVoiceRecordFileName(context: Context, currentConversation: ConversationModel) {
         val simpleDateFormat = SimpleDateFormat(FILE_DATE_PATTERN)
         val date: String = simpleDateFormat.format(Date())
+        val regex = "[/\\\\:%]".toRegex()
+        val displayName = currentConversation.displayName.replace(regex, " ")
+        val validDisplayName = displayName.replace("\\s+".toRegex(), " ")
 
-        val fileNameWithoutSuffix = String.format(
+        var fileNameWithoutSuffix = String.format(
             context.resources.getString(R.string.nc_voice_message_filename),
             date,
-            currentConversation.displayName
+            validDisplayName
         )
+        if (fileNameWithoutSuffix.length > VOICE_MESSAGE_PREFIX_MAX_LENGTH) {
+            fileNameWithoutSuffix = fileNameWithoutSuffix.substring(0, VOICE_MESSAGE_PREFIX_MAX_LENGTH)
+        }
         val fileName = fileNameWithoutSuffix + VOICE_MESSAGE_FILE_SUFFIX
-
         currentVoiceRecordFile = "${context.cacheDir.absolutePath}/$fileName"
     }