feature: disable belongs_to creation from association

app/components/avo/fields/belongs_to_field/edit_component.html.erb

@@ -81,12 +81,14 @@
                 <%= @form.hidden_field @field.id_input_foreign_key %>
               <% end %>
             <% end %>
-            <% create_href = create_path(Avo.resource_manager.get_resource_by_model_class(type.to_s)) %>
-            <% if !disabled && create_href.present? %>
-              <%= link_to t("avo.create_new_item", item: type.to_s.downcase),
-                          create_href,
-                          class: "text-sm"
-              %>
+            <% if field.can_create? %>
+              <% create_href = create_path(Avo.resource_manager.get_resource_by_model_class(type.to_s)) %>
+              <% if !disabled && create_href.present? %>
+                <%= link_to t("avo.create_new_item", item: type.to_s.downcase),
+                            create_href,
+                            class: "text-sm"
+                %>
+              <% end %>
             <% end %>
           <% end %>
         </div>
@@ -125,8 +127,10 @@
           <%= @form.hidden_field @field.id_input_foreign_key %>
         <% end %>
       <% end %>
-      <% if !disabled && create_path.present? %>
-        <%= link_to t("avo.create_new_item", item: @field.name.downcase), create_path, class: "text-sm" %>
+      <% if field.can_create? %>
+        <% if !disabled && create_path.present? %>
+          <%= link_to t("avo.create_new_item", item: @field.name.downcase), create_path, class: "text-sm" %>
+        <% end %>
       <% end %>
     <% end %>
   <% end %>

lib/avo/fields/belongs_to_field.rb

@@ -83,6 +83,7 @@ def initialize(id, **args, &block)
         @polymorphic_help = args[:polymorphic_help]
         @target = args[:target]
         @use_resource = args[:use_resource] || nil
+        @can_create = args[:can_create].nil? ? true : args[:can_create]
       end
 
       def value
@@ -264,6 +265,10 @@ def name
         super
       end
 
+      def can_create?
+        @can_create
+      end
+
       private
 
       def get_model_class(model)

spec/dummy/app/avo/resources/course.rb

@@ -6,8 +6,6 @@ class Avo::Resources::Course < Avo::BaseResource
   self.stimulus_controllers = "course-resource toggle-fields"
 
   def fields
-    field :links, as: :has_many, searchable: true, placeholder: "Click to choose a link",
-      discreet_pagination: true
 
     field :id, as: :id
     field :name, as: :text, html: {
@@ -72,6 +70,9 @@ def fields
       as: :select,
       options: Course.cities.values.flatten.map { |city| [city, city] }.to_h,
       display_value: false
+
+    field :links, as: :has_many, searchable: true, placeholder: "Click to choose a link",
+      discreet_pagination: true
   end
 
   def filters

spec/system/avo/create_via_belongs_to_spec.rb

@@ -155,4 +155,20 @@
       )
     end
   end
+
+  context 'disable' do
+    it 'dont show the link', :aggregate_failures do
+      Avo::Resources::CourseLink.with_temporary_items do
+        field :course, as: :belongs_to, searchable: true, can_create: false
+      end
+
+      visit '/admin/resources/course_links/new'
+
+      within field_wrapper(:course) do
+        expect(page).not_to have_text 'Create new course'
+      end
+
+      Avo::Resources::CourseLink.restore_items_from_backup
+    end
+  end
 end