feat: Initial payment implementation

packages/backend/src/models/payment-plan.ee.ts

@@ -0,0 +1,52 @@
+import Base from './base';
+import User from './user';
+
+class PaymentPlan extends Base {
+  id!: string;
+  name!: string;
+  taskCount: number;
+  userId!: string;
+  stripeCustomerId!: string;
+  stripeSubscriptionId!: string;
+  currentPeriodStartedAt!: string;
+  currentPeriodEndsAt!: string;
+
+  static tableName = 'payment_plans';
+
+  static jsonSchema = {
+    type: 'object',
+    required: [
+      'name',
+      'taskCount',
+      'userId',
+      'stripeCustomerId',
+      'stripeSubscriptionId',
+      'currentPeriodStartedAt',
+      'currentPeriodEndsAt',
+    ],
+
+    properties: {
+      id: { type: 'string', format: 'uuid' },
+      name: { type: 'string' },
+      taskCount: { type: 'integer' },
+      userId: { type: 'string', format: 'uuid' },
+      stripeCustomerId: { type: 'string' },
+      stripeSubscriptionId: { type: 'string' },
+      currentPeriodStartedAt: { type: 'string' },
+      currentPeriodEndsAt: { type: 'string' },
+    },
+  };
+
+  static relationMappings = () => ({
+    user: {
+      relation: Base.BelongsToOneRelation,
+      modelClass: User,
+      join: {
+        from: 'payment_plans.user_id',
+        to: 'users.id',
+      },
+    },
+  });
+}
+
+export default PaymentPlan;