fix(android): skip reactions for temp messages and fallback gif upload

android/app/src/main/java/ru/daemonlord/messenger/data/media/repository/NetworkMediaRepository.kt

@@ -2,6 +2,8 @@ package ru.daemonlord.messenger.data.media.repository
 
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
+import android.graphics.Canvas
+import android.graphics.Movie
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.withContext
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
@@ -96,7 +98,26 @@ class NetworkMediaRepository @Inject constructor(
             return UploadPayload(fileName = fileName, mimeType = mimeType, bytes = bytes)
         }
         if (mimeType.equals("image/gif", ignoreCase = true)) {
-            return UploadPayload(fileName = fileName, mimeType = mimeType, bytes = bytes)
+            val still = gifToPngPayload(fileName = fileName, bytes = bytes)
+            if (still != null) return still
+            val bitmapFallback = runCatching { BitmapFactory.decodeByteArray(bytes, 0, bytes.size) }.getOrNull()
+            if (bitmapFallback != null) {
+                val output = ByteArrayOutputStream()
+                val compressed = bitmapFallback.compress(Bitmap.CompressFormat.PNG, 100, output)
+                bitmapFallback.recycle()
+                if (compressed) {
+                    val pngBytes = output.toByteArray()
+                    if (pngBytes.isNotEmpty()) {
+                        val baseName = fileName.substringBeforeLast('.').ifBlank { "gif" }
+                        return UploadPayload(
+                            fileName = "${baseName}-still.png",
+                            mimeType = "image/png",
+                            bytes = pngBytes,
+                        )
+                    }
+                }
+            }
+            return UploadPayload(fileName = fileName, mimeType = "application/octet-stream", bytes = bytes)
         }
         val source = runCatching { BitmapFactory.decodeByteArray(bytes, 0, bytes.size) }.getOrNull()
             ?: return UploadPayload(fileName = fileName, mimeType = mimeType, bytes = bytes)
@@ -140,4 +161,32 @@ class NetworkMediaRepository @Inject constructor(
         val mimeType: String,
         val bytes: ByteArray,
     )
+
+    private fun gifToPngPayload(
+        fileName: String,
+        bytes: ByteArray,
+    ): UploadPayload? {
+        val movie = runCatching { Movie.decodeByteArray(bytes, 0, bytes.size) }.getOrNull() ?: return null
+        val width = movie.width().coerceAtLeast(1)
+        val height = movie.height().coerceAtLeast(1)
+        val bitmap = runCatching { Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888) }.getOrNull() ?: return null
+        return try {
+            val canvas = Canvas(bitmap)
+            movie.setTime(0)
+            movie.draw(canvas, 0f, 0f)
+            val output = ByteArrayOutputStream()
+            val compressed = bitmap.compress(Bitmap.CompressFormat.PNG, 100, output)
+            if (!compressed) return null
+            val pngBytes = output.toByteArray()
+            if (pngBytes.isEmpty()) return null
+            val baseName = fileName.substringBeforeLast('.').ifBlank { "gif" }
+            UploadPayload(
+                fileName = "${baseName}-still.png",
+                mimeType = "image/png",
+                bytes = pngBytes,
+            )
+        } finally {
+            bitmap.recycle()
+        }
+    }
 }

android/app/src/main/java/ru/daemonlord/messenger/ui/chat/ChatViewModel.kt

@@ -650,6 +650,7 @@ class ChatViewModel @Inject constructor(
     }
 
     private fun loadReactions(messageId: Long) {
+        if (messageId <= 0L) return
         viewModelScope.launch {
             when (val result = listMessageReactionsUseCase(messageId = messageId)) {
                 is AppResult.Success -> {
@@ -666,6 +667,7 @@ class ChatViewModel @Inject constructor(
         val toRequest = messages
             .asReversed()
             .map { it.id }
+            .filter { it > 0L }
             .filter { reactionsRequestedMessageIds.add(it) }
 
         if (toRequest.isEmpty()) return