feat: add admin channel wipe endpoint

crates/delta/src/routes/admin/channels/actions/channel_wipe.rs

@@ -0,0 +1,40 @@
+use rocket::State;
+use rocket_empty::EmptyResponse;
+use revolt_result::{create_error, Result};
+use revolt_database::{AdminAuthorization, Database};
+use revolt_database::util::reference::Reference;
+use revolt_models::v0;
+use crate::routes::admin::util::{create_audit_action, flatten_authorized_user, user_has_permission};
+
+/// Wipe all the messages from a channel
+#[openapi(tag = "Admin")]
+#[delete("/admin/channels/<channel_id>/wipe?<case>")]
+pub async fn admin_channel_wipe(
+    db: &State<Database>,
+    auth: AdminAuthorization,
+    channel_id: Reference<'_>,
+    case: Option<&str>
+) -> Result<EmptyResponse> {
+    let admin = flatten_authorized_user(&auth);
+    if !user_has_permission(admin, v0::AdminUserPermissionFlags::ManageChannels) {
+        return Err(create_error!(MissingPermission {
+            permission: "ManageChannels".to_string()
+        }));
+    }
+
+    let mut channel = channel_id.as_channel(db).await?;
+    
+    channel.wipe(db).await?;
+
+    create_audit_action(
+        &db,
+        &admin.id,
+        v0::AdminAuditItemActions::WipeChannel,
+        case,
+        Some(channel_id.id),
+        None,
+    )
+        .await?;
+    
+    Ok(EmptyResponse)
+}

crates/delta/src/routes/admin/mod.rs

@@ -42,5 +42,6 @@ pub fn routes() -> (Vec<Route>, OpenApi) {
         accounts::account_disable::admin_account_disable,
         channels::actions::channel_delete::admin_delete_channel,
         channels::actions::channel_edit::admin_channel_edit,
+        channels::actions::channel_wipe::admin_channel_wipe,
     ]
 }