Gab Social. All are welcome.

app/services/block_service.rb

@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+class BlockService < BaseService
+  def call(account, target_account)
+    return if account.id == target_account.id
+
+    UnfollowService.new.call(account, target_account) if account.following?(target_account)
+    UnfollowService.new.call(target_account, account) if target_account.following?(account)
+    RejectFollowService.new.call(account, target_account) if target_account.requested?(account)
+
+    block = account.block!(target_account)
+
+    BlockWorker.perform_async(account.id, target_account.id)
+    create_notification(block) unless target_account.local?
+    block
+  end
+
+  private
+
+  def create_notification(block)
+    if block.target_account.ostatus?
+      NotificationWorker.perform_async(build_xml(block), block.account_id, block.target_account_id)
+    elsif block.target_account.activitypub?
+      ActivityPub::DeliveryWorker.perform_async(build_json(block), block.account_id, block.target_account.inbox_url)
+    end
+  end
+
+  def build_json(block)
+    ActiveModelSerializers::SerializableResource.new(
+      block,
+      serializer: ActivityPub::BlockSerializer,
+      adapter: ActivityPub::Adapter
+    ).to_json
+  end
+
+  def build_xml(block)
+    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.block_salmon(block))
+  end
+end