1 files changed, 51 insertions, 0 deletions
diff --git a/app/presenters/label_presenter.rb b/app/presenters/label_presenter.rb
new file mode 100644
index 00000000000..1077bf543d9
--- /dev/null
+++ b/app/presenters/label_presenter.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+class LabelPresenter < Gitlab::View::Presenter::Delegated
+  presents :label
+
+  def edit_path
+    case label
+    when GroupLabel then edit_group_label_path(label.group, label)
+    when ProjectLabel then edit_project_label_path(label.project, label)
+    end
+  end
+
+  def destroy_path
+    case label
+    when GroupLabel then group_label_path(label.group, label)
+    when ProjectLabel then project_label_path(label.project, label)
+    end
+  end
+
+  def filter_path(type: :issue)
+    case context_subject
+    when Group
+      send("#{type.to_s.pluralize}_group_path", # rubocop:disable GitlabSecurity/PublicSend
+                  context_subject,
+                  label_name: [label.name])
+    when Project
+      send("namespace_project_#{type.to_s.pluralize}_path", # rubocop:disable GitlabSecurity/PublicSend
+                  context_subject.namespace,
+                  context_subject,
+                  label_name: [label.name])
+    end
+  end
+
+  def can_subscribe_to_label_in_different_levels?
+    issuable_subject.is_a?(Project) && label.is_a?(GroupLabel)
+  end
+
+  def project_label?
+    label.is_a?(ProjectLabel)
+  end
+
+  def subject_name
+    label.subject.name
+  end
+
+  private
+
+  def context_subject
+    issuable_subject || label.try(:subject)
+  end
+end