Add async image proxy for robohash images

app/src/main/java/com/vitorpamplona/amethyst/ui/components/AsyncImageProxy.kt

@@ -1,6 +1,10 @@
 package com.vitorpamplona.amethyst.ui.components
 
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.ColorFilter
@@ -26,6 +30,48 @@ data class ResizeImage(val url: String?, val size: Dp) {
     }
 }
 
+@Composable fun AsyncUserImageProxy(
+  pubkeyHex: String,
+  model: ResizeImage,
+  contentDescription: String?,
+  modifier: Modifier = Modifier,
+  alignment: Alignment = Alignment.Center,
+  contentScale: ContentScale = ContentScale.Fit,
+  alpha: Float = DefaultAlpha,
+  colorFilter: ColorFilter? = null,
+  filterQuality: FilterQuality = DrawScope.DefaultFilterQuality,
+) {
+  var loading by remember { mutableStateOf(false) }
+  var error by remember { mutableStateOf(false) }
+
+  if (model.url == null || loading || error) {
+    RoboHashAsyncImage(
+      message = pubkeyHex,
+      contentDescription = contentDescription,
+      modifier = modifier,
+      alignment = alignment,
+      contentScale = contentScale,
+      alpha = alpha,
+      colorFilter = colorFilter,
+      filterQuality = filterQuality,
+    )
+  } else {
+    AsyncImage(
+      model = model.proxyUrl(),
+      contentDescription = contentDescription,
+      modifier = modifier,
+      onLoading = { loading = true },
+      onSuccess = { loading = false; error = false },
+      onError = { loading = false; error = true },
+      alignment = alignment,
+      contentScale = contentScale,
+      alpha = alpha,
+      colorFilter = colorFilter,
+      filterQuality = filterQuality
+    )
+  }
+}
+
 @Composable
 fun AsyncImageProxy(
     model: ResizeImage,