Support ?with_components for webhooks (#3307)

Author: jamesbt365

src/builder/execute_webhook.rs

@@ -79,6 +79,8 @@ pub struct ExecuteWebhook {
 
     #[serde(skip)]
     thread_id: Option<ChannelId>,
+    #[serde(skip)]
+    with_components: Option<bool>,
 }
 
 impl ExecuteWebhook {
@@ -222,6 +224,9 @@ impl ExecuteWebhook {
     /// the webhook's `kind` field is set to [`WebhookType::Application`], or it was created by an
     /// application (and has kind [`WebhookType::Incoming`]).
     ///
+    /// If [`Self::with_components`] is set, non-interactive components can be used on non
+    /// application-owned webhooks.
+    ///
     /// [`WebhookType::Application`]: crate::model::webhook::WebhookType
     /// [`WebhookType::Incoming`]: crate::model::webhook::WebhookType
     pub fn components(mut self, components: Vec<CreateActionRow>) -> Self {
@@ -337,6 +342,12 @@ impl ExecuteWebhook {
         self.thread_name = Some(thread_name);
         self
     }
+
+    /// Allows sending non interactive components on non application owned webhooks.
+    pub fn with_components(mut self, with_components: bool) -> Self {
+        self.with_components = Some(with_components);
+        self
+    }
 }
 
 #[cfg(feature = "http")]
@@ -367,6 +378,11 @@ impl Builder for ExecuteWebhook {
             self.allowed_mentions.clone_from(&http.default_allowed_mentions);
         }
 
-        http.execute_webhook(ctx.0, self.thread_id, ctx.1, ctx.2, files, &self).await
+        if self.with_components.unwrap_or_default() {
+            http.execute_webhook_with_components(ctx.0, self.thread_id, ctx.1, ctx.2, files, &self)
+                .await
+        } else {
+            http.execute_webhook(ctx.0, self.thread_id, ctx.1, ctx.2, files, &self).await
+        }
     }
 }

src/http/client.rs

@@ -2572,12 +2572,48 @@ impl Http {
         wait: bool,
         files: Vec<CreateAttachment>,
         map: &impl serde::Serialize,
+    ) -> Result<Option<Message>> {
+        self.execute_webhook_(webhook_id, thread_id, token, wait, files, map, false).await
+    }
+
+    /// Same as [`Self::execute_webhook`] but allows sending non interactive components on non
+    /// app-owned webhooks.
+    ///
+    /// Refer to the [Discord docs] for more information on how this works.
+    ///
+    /// [Discord docs]: https://discord.com/developers/docs/resources/webhook#execute-webhook-query-string-params
+    pub async fn execute_webhook_with_components(
+        &self,
+        webhook_id: WebhookId,
+        thread_id: Option<ChannelId>,
+        token: &str,
+        wait: bool,
+        files: Vec<CreateAttachment>,
+        map: &impl serde::Serialize,
+    ) -> Result<Option<Message>> {
+        self.execute_webhook_(webhook_id, thread_id, token, wait, files, map, true).await
+    }
+
+    #[expect(clippy::too_many_arguments)]
+    async fn execute_webhook_(
+        &self,
+        webhook_id: WebhookId,
+        thread_id: Option<ChannelId>,
+        token: &str,
+        wait: bool,
+        files: Vec<CreateAttachment>,
+        map: &impl serde::Serialize,
+        with_components: bool,
     ) -> Result<Option<Message>> {
         let mut params = vec![("wait", wait.to_string())];
         if let Some(thread_id) = thread_id {
             params.push(("thread_id", thread_id.to_string()));
         }
 
+        if with_components {
+            params.push(("with_components", with_components.to_string()));
+        }
+
         let mut request = Request {
             body: None,
             multipart: None,