From 558ea7764757cfe324bdba72fc5279fa78efd1ea Mon Sep 17 00:00:00 2001
From: erdgeist <erdgeist@erdgeist.org>
Date: Wed, 22 Jul 2026 20:03:50 +0200
Subject: Implement controller and view side of the attach logic

---
 app/controllers/assets_controller.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'app/controllers')

diff --git a/app/controllers/assets_controller.rb b/app/controllers/assets_controller.rb
index becfe133..fbede0a7 100644
--- a/app/controllers/assets_controller.rb
+++ b/app/controllers/assets_controller.rb
@@ -28,6 +28,7 @@ class AssetsController < ApplicationController
   # GET /assets/new.xml
   def new
     @asset = Asset.new
+    @attach_node = Node.not_in_trash.find_by(:id => params[:node_id]) if params[:node_id].present?
 
     respond_to do |format|
       format.html # new.html.erb
@@ -44,10 +45,12 @@ class AssetsController < ApplicationController
   # POST /assets.xml
   def create
     @asset = Asset.new(asset_params)
+    attach_node = Node.not_in_trash.find_by(:id => params[:node_id]) if params[:node_id].present?
 
     respond_to do |format|
       if @asset.save
         flash[:notice] = 'Asset was successfully created.'
+        attach_to(attach_node) if attach_node
         format.html { redirect_to(@asset) }
         format.xml  { render :xml => @asset, :status => :created, :location => @asset }
       else
@@ -91,4 +94,23 @@ class AssetsController < ApplicationController
     def asset_params
       params.require(:asset).permit(:name, :upload, :creator, :source_url, :license_key)
     end
+
+    def attach_to node
+      result = node.attach_asset!(@asset, :user => current_user,
+                                   :headline => params[:headline].present?)
+      flash[:notice] =
+        if result[:attached].zero?
+          "Asset saved — it was already attached to “#{node.title}”."
+        else
+          "Asset was successfully created and attached to “#{node.title}”."
+        end
+      case result[:headline]
+      when :set           then flash[:notice] += " It is now the page's headline."
+      when :kept_existing then flash[:headline_kept_path] = node_path(node)
+      when :not_eligible  then flash[:error] = "This asset type cannot be a headline."
+      end
+    rescue LockedByAnotherUser
+      flash[:locked_by]        = node.lock_owner&.login
+      flash[:locked_node_path] = node_path(node)
+    end
 end
-- 
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