Promotion

class Promotion extends AdjustmentSource implements ChannelAware, SoftDeletable, HasCustomFields, Translatable {    type = AdjustmentType.PROMOTION;    constructor(input?: DeepPartial<Promotion> & {            promotionConditions?: Array<PromotionCondition<any>>;            promotionActions?: Array<PromotionAction<any>>;        })    @Column({ type: Date, nullable: true })    deletedAt: Date | null;    @Column({ type: Date, nullable: true })    startsAt: Date | null;    @Column({ type: Date, nullable: true })    endsAt: Date | null;    @Column({ nullable: true })    couponCode: string;    @Column({ nullable: true })    perCustomerUsageLimit: number;    @Column({ nullable: true })    usageLimit: number;    name: LocaleString;    description: LocaleString;    @OneToMany(type => PromotionTranslation, translation => translation.base, { eager: true })    translations: Array<Translation<Promotion>>;    @Column() enabled: boolean;    @ManyToMany(type => Channel, channel => channel.promotions)    @JoinTable()    channels: Channel[];    @ManyToMany(type => Order, order => order.promotions)    orders: Order[];    @Column(type => CustomPromotionFields)    customFields: CustomPromotionFields;    @Column('simple-json') conditions: ConfigurableOperation[];    @Column('simple-json') actions: ConfigurableOperation[];    @Column() priorityScore: number;    apply(ctx: RequestContext, args: ApplyOrderActionArgs | ApplyOrderItemActionArgs | ApplyShippingActionArgs, state?: PromotionState) => Promise<Adjustment | undefined>;    test(ctx: RequestContext, order: Order) => Promise<PromotionTestResult>;    activate(ctx: RequestContext, order: Order) => ;    deactivate(ctx: RequestContext, order: Order) => ;}