Add colors update

src/discord/images.rs

@@ -13,10 +13,17 @@ use twilight_model::util::ImageHash;
 ///
 /// Returns:
 /// [`String`] - The URL of the user's avatar.
-pub fn get_avatar_url(hash: Option<ImageHash>, user_id: u64, discriminator: u64, guild_id: Option<u64>) -> String {
+pub fn get_avatar_url(
+    hash: Option<ImageHash>,
+    user_id: u64,
+    discriminator: u64,
+    guild_id: Option<u64>,
+) -> String {
     if let Some(hash) = hash {
         if let Some(guild_id) = guild_id {
-            return format!("https://cdn.discordapp.com/guilds/{guild_id}/users/{user_id}/avatars/{hash}.webp?size=256");
+            return format!(
+                "https://cdn.discordapp.com/guilds/{guild_id}/users/{user_id}/avatars/{hash}.webp?size=256"
+            );
         }
 
         format!("https://cdn.discordapp.com/avatars/{user_id}/{hash}.webp?size=256")
@@ -30,3 +37,13 @@ pub fn get_avatar_url(hash: Option<ImageHash>, user_id: u64, discriminator: u64,
         )
     }
 }
+
+/// Returns the user's avatar URL only if it's custom (i.e. not the default avatar). It doesn't
+/// take into account custom per-server avatars, i.e. only the global avatar is returned if any.
+///
+/// Arguments:
+/// * `user_id` - The user's ID.
+/// * `hash` - The hex-encoded hash string, if any.
+pub fn get_user_custom_avatar_url_or_none(user_id: u64, hash: String) -> String {
+    format!("https://cdn.discordapp.com/avatars/{user_id}/{hash}.webp?size=256")
+}