Add blurhash and dim to Nip96Uploader.kt

amethyst/src/main/java/com/vitorpamplona/amethyst/service/uploads/nip96/Nip96Uploader.kt

@@ -30,6 +30,7 @@ import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.service.HttpStatusMessages
 import com.vitorpamplona.amethyst.service.checkNotInMainThread
+import com.vitorpamplona.amethyst.service.uploads.BlurhashMetadataCalculator
 import com.vitorpamplona.amethyst.service.uploads.MediaUploadResult
 import com.vitorpamplona.amethyst.ui.stringRes
 import com.vitorpamplona.quartz.nip01Core.core.JsonMapper
@@ -106,11 +107,13 @@ class Nip96Uploader {
         val myContentType = contentType ?: contentResolver.getType(uri)
         val length = size ?: contentResolver.querySize(uri) ?: fileSize(uri) ?: 0
 
+        val localMetadata = BlurhashMetadataCalculator.computeFromUri(context, uri, myContentType)
         val imageInputStream = contentResolver.openInputStream(uri)
 
         checkNotNull(imageInputStream) { "Can't open the image input stream" }
 
-        return imageInputStream.use { stream ->
+        val serverResult =
+            imageInputStream.use { stream ->
                 upload(
                     stream,
                     length,
@@ -124,6 +127,16 @@ class Nip96Uploader {
                     context,
                 )
             }
+
+        val merged =
+            localMetadata?.let { (blur, dim) ->
+                serverResult.copy(
+                    dimension = dim ?: serverResult.dimension,
+                    blurHash = blur ?: serverResult.blurHash,
+                )
+            } ?: serverResult
+
+        return merged
     }
 
     suspend fun upload(