feat: implement drag to reorder skins

packages/app-lib/src/api/minecraft_skins.rs

@@ -445,7 +445,6 @@ pub async fn get_available_skins() -> crate::Result<Vec<Skin>> {
         });
     }
 
-    custom_skins.sort_by(|a, b| a.texture.as_str().cmp(b.texture.as_str()));
     available_skins.extend(custom_skins);
 
     for default_skin in assets::DEFAULT_SKINS.iter() {
@@ -801,6 +800,55 @@ pub async fn remove_custom_skin(skin: Skin) -> crate::Result<()> {
     Ok(())
 }
 
+/// Reorders saved skins for the currently selected Minecraft profile.
+#[tracing::instrument(skip(skins))]
+pub async fn reorder_custom_skins(skins: Vec<Skin>) -> crate::Result<()> {
+    let state = State::get().await?;
+
+    let selected_credentials = Credentials::get_default_credential(&state.pool)
+        .await?
+        .ok_or(ErrorKind::NoCredentialsError)?;
+    let profile_id = selected_credentials.offline_profile.id;
+
+    for skin in skins.iter() {
+        if !matches!(skin.source, SkinSource::CustomExternal) {
+            continue;
+        }
+
+        let texture_blob = png_util::url_to_data_stream(&skin.texture)
+            .await?
+            .try_fold(Vec::new(), |mut texture, chunk| async move {
+                texture.extend_from_slice(&chunk);
+                Ok(texture)
+            })
+            .await?;
+
+        CustomMinecraftSkin::add(
+            profile_id,
+            &skin.texture_key,
+            &texture_blob,
+            skin.variant,
+            skin.cape_id,
+            &state.pool,
+        )
+        .await?;
+    }
+
+    let texture_keys = skins
+        .iter()
+        .map(|skin| skin.texture_key.to_string())
+        .collect::<Vec<_>>();
+
+    CustomMinecraftSkin::reorder(
+        profile_id,
+        &texture_keys,
+        &state.pool,
+    )
+    .await?;
+
+    Ok(())
+}
+
 /// Adds or updates a saved skin locally without applying it to Mojang.
 ///
 /// This is used by the skin editor. If the edited skin is currently equipped, the caller should