Add getLodgePrices endpoint to fetch lodge prices (#774)

* Add getLodgePrices endpoint to fetch lodge prices

* Update endpoint to use correct methods and update stripeservice for correct variable names

Used the wrong method for endpoint so fixed that.

server/src/business-layer/services/StripeService.ts

@@ -1,4 +1,5 @@
 import {
+  LODGE_PRICING_TYPE_KEY,
   MEMBERSHIP_PRODUCT_TYPE_KEY,
   ProductTypeValues,
   USER_FIREBASE_EMAIL_KEY,
@@ -377,6 +378,26 @@ export default class StripeService {
     }
   }
 
+  /** Fetch all active products from Stripe
+   * @returns lodgeProducts - An array of active lodge products from Stripe
+   */
+  public async getActiveLodgeProducts() {
+    try {
+      const products = await stripe.products.list({
+        active: true,
+        expand: ["data.default_price"]
+      })
+      // Filter products with the required metadata
+      const lodgeProducts = products.data.filter((product) =>
+        Object.keys(product.metadata).includes(LODGE_PRICING_TYPE_KEY)
+      )
+      return lodgeProducts
+    } catch (error) {
+      console.error("Error fetching Stripe products:", error)
+      throw error
+    }
+  }
+
   /**
    * Promotes a user from guest to member status.
    * @param uid The user ID to promote to a member.

server/src/service-layer/controllers/PaymentController.ts

@@ -10,7 +10,8 @@ import {
 import {
   MembershipTypeValues,
   MEMBERSHIP_TYPE_KEY,
-  LODGE_PRICING_TYPE_KEY
+  LODGE_PRICING_TYPE_KEY,
+  LodgePricingTypeValues
 } from "business-layer/utils/StripeProductMetadata"
 import {
   UTCDateToDdMmYyyy,
@@ -27,6 +28,7 @@ import {
 } from "service-layer/request-models/UserRequests"
 import {
   BookingPaymentResponse,
+  LodgeStripeProductResponse,
   MembershipPaymentResponse,
   MembershipStripeProductResponse
 } from "service-layer/response-models/PaymentResponse"
@@ -107,6 +109,58 @@ export class PaymentController extends Controller {
     }
   }
 
+  /**
+   * Fetches the prices of the lodge products from Stripe.
+   * @returns The prices of the lodge products.
+   */
+  @Get("lodge_prices")
+  public async getLodgePrices(): Promise<LodgeStripeProductResponse> {
+    const stripeService = new StripeService()
+    try {
+      const lodgeProducts = await stripeService.getActiveLodgeProducts()
+      // Maps the products to the required response type MembershipStripeProductResponse in PaymentResponse
+
+      const productsValues = lodgeProducts.map((product) => {
+        // Checks the membership type of the product
+        const lodgeType = product.metadata[
+          LODGE_PRICING_TYPE_KEY
+        ] as LodgePricingTypeValues
+
+        let name: LodgePricingTypeValues
+
+        switch (lodgeType) {
+          case LodgePricingTypeValues.SingleFridayOrSaturday: {
+            name = LodgePricingTypeValues.SingleFridayOrSaturday
+            break
+          }
+          case LodgePricingTypeValues.Normal: {
+            name = LodgePricingTypeValues.Normal
+            break
+          }
+        }
+
+        return {
+          productId: product.id,
+          name,
+          description: product.description,
+          discount: product.metadata.discount === "true",
+          displayPrice: (
+            Number(
+              (product.default_price as Stripe.Price).unit_amount_decimal
+            ) / 100
+          ).toString(),
+          originalPrice: product.metadata.original_price
+        }
+      })
+      this.setStatus(200)
+      return { data: productsValues }
+    } catch (error) {
+      console.error(error)
+      this.setStatus(500)
+      return { error: "Error fetching active Stripe products" }
+    }
+  }
+
   /**
    * Fetches the details of a checkout session based on a stripe checkout session id.
    * @param sessionId The id of the stripe checkout session to fetch.

server/src/service-layer/response-models/PaymentResponse.ts

@@ -1,4 +1,7 @@
-import { MembershipTypeValues } from "business-layer/utils/StripeProductMetadata"
+import {
+  LodgePricingTypeValues,
+  MembershipTypeValues
+} from "business-layer/utils/StripeProductMetadata"
 import { CommonResponse } from "./CommonResponse"
 import { Timestamp } from "firebase-admin/firestore"
 
@@ -31,6 +34,18 @@ export interface MembershipStripeProductResponse extends CommonResponse {
   }[]
 }
 
+// Make a data shape matching to the expected response from Stripe API
+export interface LodgeStripeProductResponse extends CommonResponse {
+  data?: {
+    productId: string
+    name: LodgePricingTypeValues
+    description?: string
+    discount: boolean
+    displayPrice: string
+    originalPrice?: string
+  }[]
+}
+
 export interface AvailableDatesResponse extends CommonResponse {
   data?: AvailableDates[]
 }