Change account suspensions to be reversible by default (#14726)

app/services/unsuspend_account_service.rb

@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+class UnsuspendAccountService < BaseService
+  def call(account)
+    @account = account
+
+    unsuspend!
+    merge_into_home_timelines!
+    merge_into_list_timelines!
+    publish_media_attachments!
+  end
+
+  private
+
+  def unsuspend!
+    @account.unsuspend! if @account.suspended?
+  end
+
+  def merge_into_home_timelines!
+    @account.followers_for_local_distribution.find_each do |follower|
+      FeedManager.instance.merge_into_timeline(@account, follower)
+    end
+  end
+
+  def merge_into_list_timelines!
+    @account.lists_for_local_distribution.find_each do |list|
+      FeedManager.instance.merge_into_list(@account, list)
+    end
+  end
+
+  def publish_media_attachments!
+    attachment_names = MediaAttachment.attachment_definitions.keys
+
+    @account.media_attachments.find_each do |media_attachment|
+      attachment_names.each do |attachment_name|
+        attachment = media_attachment.public_send(attachment_name)
+        styles     = [:original] | attachment.styles.keys
+
+        styles.each do |style|
+          case Paperclip::Attachment.default_options[:storage]
+          when :s3
+            attachment.s3_object(style).acl.put(Paperclip::Attachment.default_options[:s3_permissions])
+          when :fog
+            # Not supported
+          when :filesystem
+            FileUtils.chmod(0o666 & ~File.umask, attachment.path(style))
+          end
+        end
+      end
+    end
+  end
+end