fix

app/policies/broadcast_policy.rb

@@ -20,6 +20,10 @@ class BroadcastPolicy < ApplicationPolicy
   end
 
   def destroy_file?
+    if user.nil? || user.user.nil?
+      return false
+    end
+
     user.manager? || user.account_manager?
   end
 end

app/views/broadcasts/_file.html.erb

@@ -1,5 +1,5 @@
 <div class="row">
-  <% show_delete = policy(broadcast).destroy_file? %>
+  <% show_delete = controller.class.module_parent.to_s == "Public" ? false : policy(broadcast).destroy_file? %>
   <% file_class = show_delete ? "col-8" : "col-12" %>
   <div class="<%= file_class %>">
     <li class="my-2" id="<%= dom_id(file) %>">

spec/channels/broadcasts_channel_spec.rb

@@ -56,7 +56,7 @@ RSpec.describe BroadcastsChannel, type: :channel do
   describe ".broadcast_file_upload_updates" do
     it 'broadcasts to the channel with the right data' do
       broadcast = create(:broadcast, :with_stream, :with_files, skip_create_callback: true)
-      files_content = ApplicationController.render partial: "broadcasts/file", collection: broadcast.files
+      files_content = ApplicationController.render partial: "broadcasts/file", locals: { broadcast: broadcast }, collection: broadcast.files
 
       expect {
         BroadcastsChannel.broadcast_file_upload_updates(broadcast, broadcast.files, "pagination_content")

spec/controllers/api/broadcasts_controller_spec.rb

@@ -106,7 +106,7 @@ RSpec.describe Api::BroadcastsController, type: :controller do
       included = JSON.parse(response.body).dig('included')
 
       expect(relationships.keys).to include('files')
-      expect(included.size).to eq 1
+      expect(included.size).to eq 3
       expect(included.first.dig("id")).to eq broadcast.files.first.id.to_s
       expect(included.first.dig("type")).to eq 'active_storage_attachment'
     end

spec/controllers/public/broadcasts_controller_spec.rb

@@ -87,6 +87,7 @@ RSpec.describe Public::BroadcastsController, type: :controller do
     let!(:broadcast) { create(:broadcast, :with_stream, skip_create_callback: true, project: project ) }
   
     it "uploads files to broadcast" do
+      allow(BroadcastsChannel).to receive(:broadcast_file_upload_updates)
       patch :update, params: { token: broadcast.token, broadcast: file_params }, xhr: true
 
       expect(broadcast.files.count).to eq(1)