old_contents: from __future__ import absolute_import
  
  from sentry.api.serializers import Serializer, register
  from sentry.models import OrganizationMemberType, Project, Team
  
  
  @register(Project)
  class ProjectSerializer(Serializer):
      def get_attrs(self, item_list, user):
          organization = item_list[0].team.organization
  
          team_map = dict(
              (t.id, t) for t in Team.objects.get_for_user(
                  organization=organization,
                  user=user,
              )
          )
  
          result = {}
          for project in item_list:
              try:
                  team = team_map[project.team_id]
              except KeyError:
                  access_type = None
              else:
                  access_type = team.access_type
  
              result[project] = {
                  'access_type': access_type,
              }
  
          return result
  
      def serialize(self, obj, attrs, user):
          from sentry import features
  
          feature_list = []
          if features.has('projects:quotas', obj, actor=user):
              feature_list.append('quotas')
          if features.has('projects:user-reports', obj, actor=user):
              feature_list.append('user-reports')
  
          return {
              'id': str(obj.id),
              'slug': obj.slug,
              'name': obj.name,
              'isPublic': obj.public,
              'dateCreated': obj.date_added,
              'features': feature_list,
              'permission': {
                  'owner': attrs['access_type'] <= OrganizationMemberType.OWNER,
                  'admin': attrs['access_type'] <= OrganizationMemberType.ADMIN,
              },
          }
  
new_contents: from __future__ import absolute_import
  
  from sentry.api.serializers import Serializer, register
  from sentry.models import OrganizationMemberType, Project, Team
  
  
  @register(Project)
  class ProjectSerializer(Serializer):
      def get_attrs(self, item_list, user):
          organization = item_list[0].team.organization
  
          team_map = dict(
              (t.id, t) for t in Team.objects.get_for_user(
                  organization=organization,
                  user=user,
              )
          )
  
          result = {}
          for project in item_list:
              try:
                  team = team_map[project.team_id]
              except KeyError:
                  access_type = None
              else:
                  access_type = team.access_type
  
              result[project] = {
                  'access_type': access_type,
              }
  
          return result
  
      def serialize(self, obj, attrs, user):
          from sentry import features
  
          feature_list = []
          if features.has('projects:quotas', obj, actor=user):
              feature_list.append('quotas')
          if features.has('projects:user-reports', obj, actor=user):
              feature_list.append('user-reports')
  
          return {
              'id': str(obj.id),
              'slug': obj.slug,
              'name': obj.name,
              'isPublic': obj.public,
              'dateCreated': obj.date_added,
              'firstEvent': obj.first_event,
              'features': feature_list,
              'permission': {
                  'owner': attrs['access_type'] <= OrganizationMemberType.OWNER,
                  'admin': attrs['access_type'] <= OrganizationMemberType.ADMIN,
              },
          }
  
subject: Add Project.first_event to API serializer