import enum class CampaignStatus(enum.StrEnum): DRAFT = "DRAFT" SCHEDULED = "SCHEDULED" IN_PROGRESS = "IN_PROGRESS" CANCELLED = "CANCELLED" SENT = "SENT" class CampaignCancelReason(enum.StrEnum): NO_FANS = "NO_FANS" class MessageSendQueueStatus(enum.StrEnum): QUEUED = "QUEUED" PROCESSING = "PROCESSING" COMPLETED = "COMPLETED" CANCELED = "CANCELED"