database/0.9/1729962056556-createUserEffect/Down/01-table-userEffect.sql

@@ -0,0 +1 @@
+DROP TABLE `user_effect`;

database/0.9/1729962056556-createUserEffect/Up/01-table-userEffect.sql

@@ -0,0 +1,10 @@
+CREATE TABLE `user_effect` (
+    `Id` varchar(255) NOT NULL,
+    `WhenCreated` datetime NOT NULL,
+    `WhenUpdated` datetime NOT NULL,
+    `Name` varchar(255) NOT NULL,
+    `UserId` varchar(255) NOT NULL,
+    `Unused` int NOT NULL DEFAULT 0,
+    `WhenExpires` datetime NULL,
+    PRIMARY KEY (`Id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

src/database/entities/app/UserEffect.ts

@@ -0,0 +1,51 @@
+import {Column, Entity} from "typeorm";
+import AppBaseEntity from "../../../contracts/AppBaseEntity";
+
+@Entity()
+export default class UserEffect extends AppBaseEntity {
+    constructor(name: string, userId: string, unused: number, WhenExpires?: Date) {
+        super();
+
+        this.Name = name;
+        this.UserId = userId;
+        this.Unused = unused;
+        this.WhenExpires = WhenExpires;
+    }
+
+    @Column()
+    Name: string;
+
+    @Column()
+    UserId: string;
+
+    @Column()
+    Unused: number;
+
+    @Column({ nullable: true })
+    WhenExpires?: Date;
+
+    public AddUnused(amount: number) {
+        this.Unused += amount;
+    }
+
+    public UseEffect(whenExpires: Date): boolean {
+        if (this.Unused == 0) {
+            return false;
+        }
+
+        this.Unused -= 1;
+        this.WhenExpires = whenExpires;
+
+        return true;
+    }
+
+    public IsEffectActive(): boolean {
+        const now = new Date();
+
+        if (this.WhenExpires && now < this.WhenExpires) {
+            return true;
+        }
+
+        return false;
+    }
+}

src/database/migrations/app/0.9/1729962056556-createUserEffect.ts

@@ -0,0 +1,18 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+import MigrationHelper from "../../../../helpers/MigrationHelper";
+
+export class CreateUserEffect1729962056556 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        MigrationHelper.Up("1729962056556-createUserEffect", "0.9", [
+            "01-table-userEffect",
+        ], queryRunner);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        MigrationHelper.Down("1729962056556-createUserEffect", "0.9", [
+            "01-table-userEffect",
+        ], queryRunner);
+    }
+
+}