Fix crash when marking statuses as sensitive while some statuses are deleted (#22134)

* Do not offer to mark statuses as sensitive if there is no undeleted status with media attachments

* Fix crash when marking statuses as sensitive while some statuses are deleted

Fixes #21910

* Fix multiple strikes being created for a single report when selecting “Mark as sensitive”

* Add tests

app/models/admin/status_batch_action.rb

@@ -73,7 +73,7 @@ class Admin::StatusBatchAction
     # Can't use a transaction here because UpdateStatusService queues
     # Sidekiq jobs
     statuses.includes(:media_attachments, :preview_cards).find_each do |status|
-      next unless status.with_media? || status.with_preview_card?
+      next if status.discarded? || !(status.with_media? || status.with_preview_card?)
 
       authorize([:admin, status], :update?)
 
@@ -89,15 +89,15 @@ class Admin::StatusBatchAction
         report.resolve!(current_account)
         log_action(:resolve, report)
       end
-
-      @warning = target_account.strikes.create!(
-        action: :mark_statuses_as_sensitive,
-        account: current_account,
-        report: report,
-        status_ids: status_ids
-      )
     end
 
+    @warning = target_account.strikes.create!(
+      action: :mark_statuses_as_sensitive,
+      account: current_account,
+      report: report,
+      status_ids: status_ids
+    )
+
     UserMailer.warning(target_account.user, @warning).deliver_later! if warnable?
   end
 

app/views/admin/reports/_actions.html.haml

@@ -5,7 +5,7 @@
         = link_to t('admin.reports.mark_as_resolved'), resolve_admin_report_path(@report), method: :post, class: 'button'
       .report-actions__item__description
         = t('admin.reports.actions.resolve_description_html')
-    - if @statuses.any? { |status| status.with_media? || status.with_preview_card? }
+    - if @statuses.any? { |status| (status.with_media? || status.with_preview_card?) && !status.discarded? }
       .report-actions__item
         .report-actions__item__button
           = button_tag t('admin.reports.mark_as_sensitive'), name: :mark_as_sensitive, class: 'button'