feat(billing): align codebase with existing project structure

Author: Sourav-kashyap

package-lock.json

@@ -3,3 +3,14 @@ export * from './charge-dto.model';
 export * from './customer-dto.model';
 export * from './invoice-dto.model';
 export * from './payment-dto.model';
+export * from './price-dto.model';
+export * from './product-dto.model';
+export * from './subscription-create-dto.model';
+export * from './subscription-update-dto.model';
+export * from './subscription-result-dto.model';
+export * from './subscription-create-response-dto.model';
+export * from './success-dto.model';
+export * from './invoice-price-dto.model';
+export * from './invoice-pdf-dto.model';
+export * from './invoice-payment-details-dto.model';
+export * from './payment-intent-dto.model';

services/subscription-service/src/controllers/billing-service.controller.ts

@@ -0,0 +1,26 @@
+import {model, Model, property} from '@loopback/repository';
+
+@model({name: 'invoice_payment_details_dto'})
+export class InvoicePaymentDetailsDto extends Model {
+  @property({type: 'string'})
+  invoiceId: string;
+
+  @property({type: 'object'})
+  paymentMethod: object;
+
+  @property({type: 'number'})
+  paymentDate?: number;
+
+  @property({type: 'number'})
+  amount?: number;
+
+  @property({type: 'string'})
+  currency?: string;
+
+  @property({type: 'string'})
+  status?: string;
+
+  constructor(data?: Partial<InvoicePaymentDetailsDto>) {
+    super(data);
+  }
+}

services/subscription-service/src/controllers/billing-subscription.controller.ts

@@ -0,0 +1,20 @@
+import {model, Model, property} from '@loopback/repository';
+
+@model({name: 'invoice_pdf_dto'})
+export class InvoicePdfDto extends Model {
+  @property({type: 'string'})
+  invoiceId: string;
+
+  @property({type: 'string'})
+  pdfUrl: string;
+
+  @property({type: 'string', format: 'date-time'})
+  generatedAt: string;
+
+  @property({type: 'string', format: 'date-time', nullable: true})
+  expiresAt?: string | null;
+
+  constructor(data?: Partial<InvoicePdfDto>) {
+    super(data);
+  }
+}

services/subscription-service/src/models/dto/index.ts

@@ -0,0 +1,20 @@
+import {model, Model, property} from '@loopback/repository';
+
+@model({name: 'invoice_price_dto'})
+export class InvoicePriceDto extends Model {
+  @property({type: 'string'})
+  currency: string;
+
+  @property({type: 'number'})
+  totalAmount: number;
+
+  @property({type: 'number'})
+  taxAmount: number;
+
+  @property({type: 'number'})
+  amountExcludingTax: number;
+
+  constructor(data?: Partial<InvoicePriceDto>) {
+    super(data);
+  }
+}

services/subscription-service/src/models/dto/invoice-payment-details-dto.model.ts

@@ -0,0 +1,35 @@
+import {model, Model, property} from '@loopback/repository';
+
+@model({name: 'payment_intent_dto'})
+export class PaymentIntentDto extends Model {
+  @property({type: 'string'})
+  id: string;
+
+  @property({type: 'number'})
+  amount: number;
+
+  @property({type: 'string'})
+  currency: string;
+
+  @property({type: 'string'})
+  status: string;
+
+  @property({type: 'number'})
+  created: number;
+
+  @property({type: 'string', nullable: true})
+  customer?: string;
+
+  @property({type: 'object'})
+  paymentMethod?: object;
+
+  @property({type: 'string', nullable: true})
+  description?: string;
+
+  @property({type: 'object', additionalProperties: true})
+  metadata?: object;
+
+  constructor(data?: Partial<PaymentIntentDto>) {
+    super(data);
+  }
+}

services/subscription-service/src/models/dto/invoice-pdf-dto.model.ts

@@ -0,0 +1,34 @@
+import {model, property} from '@loopback/repository';
+
+@model({settings: {strict: false}})
+export class PriceDto {
+  @property({type: 'string'})
+  id?: string;
+
+  @property({type: 'string'})
+  currency: string;
+
+  @property({type: 'number'})
+  unitAmount: number;
+
+  @property({type: 'string'})
+  product: string;
+
+  @property({type: 'boolean'})
+  active?: boolean;
+
+  @property({type: 'object'})
+  recurring?: {
+    interval?: string;
+    intervalCount?: number;
+  };
+
+  @property({type: 'object'})
+  metadata?: object;
+
+  constructor(data?: Partial<PriceDto>) {
+    Object.assign(this, data);
+  }
+}
+
+export type PriceDtoWithRelations = PriceDto;

services/subscription-service/src/models/dto/invoice-price-dto.model.ts

@@ -0,0 +1,20 @@
+import {model, Model, property} from '@loopback/repository';
+
+@model({name: 'product_dto'})
+export class ProductDto extends Model {
+  @property({type: 'string', name: 'id'})
+  id?: string;
+
+  @property({type: 'string', name: 'name'})
+  name: string;
+
+  @property({type: 'string', name: 'description'})
+  description?: string;
+
+  @property({type: 'object', name: 'metadata'})
+  metadata?: object;
+
+  constructor(data?: Partial<ProductDto>) {
+    super(data);
+  }
+}