feat(SW-353): dynamic rewards

server/routers/contentstack/loyaltyLevel/index.ts

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+import { mergeRouters } from "@/server/trpc"
+
+import { loyaltyLevelQueryRouter } from "./query"
+
+export const loyaltyLevelRouter = mergeRouters(loyaltyLevelQueryRouter)

server/routers/contentstack/loyaltyLevel/input.ts

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+import { z } from "zod"
+
+import { MembershipLevelEnum } from "@/constants/membershipLevels"
+
+export const loyaltyLevelInput = z.object({
+  level: z.nativeEnum(MembershipLevelEnum),
+})

server/routers/contentstack/loyaltyLevel/output.ts

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+import { z } from "zod"
+
+import { MembershipLevelEnum } from "@/constants/membershipLevels"
+
+export const validateLoyaltyLevelsSchema = z
+  .object({
+    all_loyalty_level: z.object({
+      items: z.array(
+        z.object({
+          level_id: z.nativeEnum(MembershipLevelEnum),
+          name: z.string(),
+          user_facing_tag: z.string().optional(),
+          description: z.string().optional(),
+          required_nights: z.number().optional().nullable(),
+          required_points: z.number(),
+        })
+      ),
+    }),
+  })
+  .transform((data) => data.all_loyalty_level.items)
+
+export type LoyaltyLevelsResponse = z.input<typeof validateLoyaltyLevelsSchema>
+
+export type LoyaltyLevel = z.output<typeof validateLoyaltyLevelsSchema>[0]

server/routers/contentstack/loyaltyLevel/query.ts

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+import { metrics } from "@opentelemetry/api"
+
+import {
+  MembershipLevel,
+  MembershipLevelEnum,
+} from "@/constants/membershipLevels"
+import {
+  GetAllLoyaltyLevels,
+  GetLoyaltyLevel,
+} from "@/lib/graphql/Query/LoyaltyLevels.graphql"
+import { request } from "@/lib/graphql/request"
+import { Context } from "@/server/context"
+import { notFound } from "@/server/errors/trpc"
+import { contentstackBaseProcedure, router } from "@/server/trpc"
+
+import { generateLoyaltyConfigTag } from "@/utils/generateTag"
+
+import { loyaltyLevelInput } from "./input"
+import { LoyaltyLevelsResponse, validateLoyaltyLevelsSchema } from "./output"
+
+const meter = metrics.getMeter("trpc.loyaltyLevel")
+// OpenTelemetry metrics: Loyalty Level
+const getAllLoyaltyLevelCounter = meter.createCounter(
+  "trpc.contentstack.loyaltyLevel.all"
+)
+
+const getAllLoyaltyLevelSuccessCounter = meter.createCounter(
+  "trpc.contentstack.loyaltyLevel.all-success"
+)
+const getAllLoyaltyLevelFailCounter = meter.createCounter(
+  "trpc.contentstack.loyaltyLevel.all-fail"
+)
+
+export async function getAllLoyaltyLevels(ctx: Context) {
+  getAllLoyaltyLevelCounter.add(1)
+
+  // Ideally we should fetch all available tiers from API, but since they
+  // are static, we can just use the enum values. We want to know which
+  // levels we are fetching so that we can use tags to cache them
+  const allLevelIds = Object.values(MembershipLevelEnum)
+
+  const tags = allLevelIds.map((levelId) =>
+    generateLoyaltyConfigTag(ctx.lang, "loyalty_level", levelId)
+  )
+
+  const loyaltyLevelsConfigResponse = await request<LoyaltyLevelsResponse>(
+    GetAllLoyaltyLevels,
+    { lang: ctx.lang, level_ids: allLevelIds },
+    { next: { tags }, cache: "force-cache" }
+  )
+
+  if (!loyaltyLevelsConfigResponse.data) {
+    getAllLoyaltyLevelFailCounter.add(1)
+    const notFoundError = notFound(loyaltyLevelsConfigResponse)
+    console.error(
+      "contentstack.loyaltyLevels not found error",
+      JSON.stringify({
+        query: {
+          lang: ctx.lang,
+        },
+        error: { code: notFoundError.code },
+      })
+    )
+    throw notFoundError
+  }
+
+  const validatedLoyaltyLevels = validateLoyaltyLevelsSchema.safeParse(
+    loyaltyLevelsConfigResponse.data
+  )
+  if (!validatedLoyaltyLevels.success) {
+    getAllLoyaltyLevelFailCounter.add(1)
+    console.error(validatedLoyaltyLevels.error)
+    console.error(
+      "contentstack.rewards validation error",
+      JSON.stringify({
+        query: {
+          lang: ctx.lang,
+        },
+        error: validatedLoyaltyLevels.error,
+      })
+    )
+    return []
+  }
+
+  getAllLoyaltyLevelSuccessCounter.add(1)
+  return validatedLoyaltyLevels.data
+}
+
+export async function getLoyaltyLevel(ctx: Context, level_id: MembershipLevel) {
+  getAllLoyaltyLevelCounter.add(1)
+
+  const loyaltyLevelsConfigResponse = await request<LoyaltyLevelsResponse>(
+    GetLoyaltyLevel,
+    { lang: ctx.lang, level_id },
+    {
+      next: {
+        tags: [generateLoyaltyConfigTag(ctx.lang, "loyalty_level", level_id)],
+      },
+      cache: "force-cache",
+    }
+  )
+  if (
+    !loyaltyLevelsConfigResponse.data ||
+    !loyaltyLevelsConfigResponse.data.all_loyalty_level.items.length
+  ) {
+    getAllLoyaltyLevelFailCounter.add(1)
+    const notFoundError = notFound(loyaltyLevelsConfigResponse)
+    console.error(
+      "contentstack.loyaltyLevels not found error",
+      JSON.stringify({
+        query: { lang: ctx.lang, level_id },
+        error: { code: notFoundError.code },
+      })
+    )
+    throw notFoundError
+  }
+
+  const validatedLoyaltyLevels = validateLoyaltyLevelsSchema.safeParse(
+    loyaltyLevelsConfigResponse.data
+  )
+  if (!validatedLoyaltyLevels.success) {
+    getAllLoyaltyLevelFailCounter.add(1)
+    console.error(validatedLoyaltyLevels.error)
+    console.error(
+      "contentstack.rewards validation error",
+      JSON.stringify({
+        query: { lang: ctx.lang, level_id },
+        error: validatedLoyaltyLevels.error,
+      })
+    )
+    return null
+  }
+
+  getAllLoyaltyLevelSuccessCounter.add(1)
+  return validatedLoyaltyLevels.data[0]
+}
+
+export const loyaltyLevelQueryRouter = router({
+  byLevel: contentstackBaseProcedure
+    .input(loyaltyLevelInput)
+    .query(async function ({ ctx, input }) {
+      return getLoyaltyLevel(ctx, input.level)
+    }),
+  all: contentstackBaseProcedure.query(async function ({ ctx }) {
+    return getAllLoyaltyLevels(ctx)
+  }),
+})