1 files changed, 50 insertions, 0 deletions
diff --git a/app/decorators/build_decorator.rb b/app/decorators/build_decorator.rb
new file mode 100644
index 00000000000..1135bbaffe3
--- /dev/null
+++ b/app/decorators/build_decorator.rb
@@ -0,0 +1,50 @@
+class BuildDecorator < SimpleDelegator
+  def initialize(build, user)
+    super(build)
+
+    @build, @user = build, user
+  end
+
+  def erased_by_user?
+    # Build can be erased through API, therefore it does not have
+    # `erase_by` user assigned in that case.
+    erased? && erased_by
+  end
+
+  def erased_by_name
+    erased_by.name if erased_by
+  end
+
+  def coverage_visible?
+    !!coverage
+  end
+
+  def artifacts_visible?
+    Ability.allowed?(@user, :read_build, project) &&
+      (artifacts? || artifacts_expired?)
+  end
+
+  def retry_visible?
+    Ability.allowed?(@user, :update_build, @build) && retryable?
+  end
+
+  def erase_visible?
+    Ability.allowed?(@user, :update_build, project) && erasable?
+  end
+
+  def details_block_first?
+    !(coverage_visible? || artifacts_visible?)
+  end
+
+  def link_to_runner_administration_visible?
+    runner && @user && @user.admin
+  end
+
+  def trigger_request_short_token
+    trigger_request.trigger.short_token
+  end
+
+  def self.ancestors
+    super + [Ci::Build]
+  end
+end