chore: add referral module

src/modules/referrals/entities/referral-reward.entity.ts

@@ -0,0 +1,29 @@
+import Decimal from "decimal.js";
+import { Column, Entity, ManyToOne } from "typeorm";
+
+import { Referral } from "./referral.entity";
+import { BaseEntity } from "../../../common/entities/base.entity";
+import { DecimalTransformer } from "../../../common/transformers/decimal.transformer";
+import { User } from "../../users/entities/user.entity";
+import { ReferralRewardStatus } from "../enums/referral-reward-status.enum";
+
+@Entity()
+export class ReferralReward extends BaseEntity {
+  @ManyToOne(() => User, (user) => user.referralRewards)
+  user: User;
+
+  @ManyToOne(() => Referral, (referral) => referral.rewards)
+  referral: Referral;
+
+  @Column({ type: "decimal", precision: 10, scale: 2, nullable: false, transformer: new DecimalTransformer() })
+  amount: Decimal;
+
+  @Column({ type: "enum", enum: ReferralRewardStatus, default: ReferralRewardStatus.PENDING })
+  status: ReferralRewardStatus;
+
+  @Column({ type: "timestamp", nullable: true })
+  paidAt: Date;
+
+  @Column({ type: "varchar", length: 255, nullable: true })
+  transactionId: string;
+}