6 files changed, 87 insertions, 1 deletions
diff --git a/app/serializers/build_details_entity.rb b/app/serializers/build_details_entity.rb
index 066a5b1885c..9ddce0d2c80 100644
--- a/app/serializers/build_details_entity.rb
+++ b/app/serializers/build_details_entity.rb
@@ -5,6 +5,7 @@ class BuildDetailsEntity < JobEntity
   expose :tag_list, as: :tags
   expose :has_trace?, as: :has_trace
   expose :stage
+  expose :stuck?, as: :stuck
   expose :user, using: UserEntity
   expose :runner, using: RunnerEntity
   expose :pipeline, using: PipelineEntity
diff --git a/app/serializers/current_user_entity.rb b/app/serializers/current_user_entity.rb
new file mode 100644
index 00000000000..71d14e727dd
--- /dev/null
+++ b/app/serializers/current_user_entity.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+# Always use this entity when rendering data for current user
+# for attributes that does not need to be visible to other users
+# like user preferences.
+class CurrentUserEntity < UserEntity
+  expose :user_preference, using: UserPreferenceEntity
+end
diff --git a/app/serializers/environment_status_entity.rb b/app/serializers/environment_status_entity.rb
new file mode 100644
index 00000000000..3dfa4f204c9
--- /dev/null
+++ b/app/serializers/environment_status_entity.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+class EnvironmentStatusEntity < Grape::Entity
+  include RequestAwareEntity
+
+  expose :id
+  expose :name
+
+  expose :url do |es|
+    project_environment_path(es.project, es.environment)
+  end
+
+  expose :metrics_url, if: ->(*) { can_read_environment? && environment.has_metrics? } do |es|
+    metrics_project_environment_deployment_path(es.project, es.environment, es.deployment)
+  end
+
+  expose :metrics_monitoring_url, if: ->(*) { can_read_environment? } do |es|
+    environment_metrics_path(es.environment)
+  end
+
+  expose :stop_url, if: ->(*) { can_stop_environment? } do |es|
+    stop_project_environment_path(es.project, es.environment)
+  end
+
+  expose :external_url do |es|
+    es.environment.external_url
+  end
+
+  expose :external_url_formatted do |es|
+    es.environment.formatted_external_url
+  end
+
+  expose :deployed_at
+
+  expose :deployed_at_formatted do |es|
+    es.deployment.try(:formatted_deployment_time)
+  end
+
+  expose :changes, if: ->(*) { Feature.enabled?(:ci_environments_status_changes, project) }
+
+  private
+
+  def environment
+    object.environment
+  end
+
+  def project
+    object.environment.project
+  end
+
+  def current_user
+    request.current_user
+  end
+
+  def can_read_environment?
+    can?(current_user, :read_environment, environment)
+  end
+
+  def can_stop_environment?
+    can?(current_user, :stop_environment, environment)
+  end
+end
diff --git a/app/serializers/environment_status_serializer.rb b/app/serializers/environment_status_serializer.rb
new file mode 100644
index 00000000000..f8d37934763
--- /dev/null
+++ b/app/serializers/environment_status_serializer.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+class EnvironmentStatusSerializer < BaseSerializer
+  entity EnvironmentStatusEntity
+end
diff --git a/app/serializers/merge_request_user_entity.rb b/app/serializers/merge_request_user_entity.rb
index fd2d2897113..53257b0602c 100644
--- a/app/serializers/merge_request_user_entity.rb
+++ b/app/serializers/merge_request_user_entity.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class MergeRequestUserEntity < UserEntity
+class MergeRequestUserEntity < CurrentUserEntity
   include RequestAwareEntity
   include BlobHelper
   include TreeHelper
diff --git a/app/serializers/user_preference_entity.rb b/app/serializers/user_preference_entity.rb
new file mode 100644
index 00000000000..fbdaab459b3
--- /dev/null
+++ b/app/serializers/user_preference_entity.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class UserPreferenceEntity < Grape::Entity
+  expose :issue_notes_filter
+  expose :merge_request_notes_filter
+
+  expose :notes_filters do |user_preference|
+    UserPreference.notes_filters
+  end
+end