feat(medusa): Update shipping option price type (#5895)

**What**
- allow updates to shipping option price type
- Clean up the use of strings in the api validation

Fixes #5824

packages/medusa/src/api/routes/admin/shipping-options/__tests__/create-shipping-option.js

@@ -1,6 +1,6 @@
 import { IdMap } from "medusa-test-utils"
-import { request } from "../../../../../helpers/test-request"
 import { ShippingOptionServiceMock } from "../../../../../services/__mocks__/shipping-option"
+import { request } from "../../../../../helpers/test-request"
 
 describe("POST /admin/shipping-options", () => {
   describe("successful creation", () => {

packages/medusa/src/api/routes/admin/shipping-options/create-shipping-option.ts

@@ -1,19 +1,23 @@
 import {
   IsArray,
   IsBoolean,
+  IsEnum,
   IsNumber,
   IsObject,
   IsOptional,
   IsString,
   ValidateNested,
 } from "class-validator"
+import { RequirementType, ShippingOptionPriceType } from "../../../../models"
 import { defaultFields, defaultRelations } from "."
 
-import { Type } from "class-transformer"
 import { EntityManager } from "typeorm"
-import TaxInclusivePricingFeatureFlag from "../../../../loaders/feature-flags/tax-inclusive-pricing"
 import { FeatureFlagDecorators } from "../../../../utils/feature-flag-decorators"
+import { ShippingOptionService } from "../../../../services"
+import TaxInclusivePricingFeatureFlag from "../../../../loaders/feature-flags/tax-inclusive-pricing"
+import { Type } from "class-transformer"
 import { validator } from "../../../../utils/validator"
+import { CreateShippingOptionInput } from "../../../../types/shipping-options"
 
 /**
  * @oas [post] /admin/shipping-options
@@ -88,7 +92,9 @@ import { validator } from "../../../../utils/validator"
 export default async (req, res) => {
   const validated = await validator(AdminPostShippingOptionsReq, req.body)
 
-  const optionService = req.scope.resolve("shippingOptionService")
+  const optionService: ShippingOptionService = req.scope.resolve(
+    "shippingOptionService"
+  )
   const shippingProfileService = req.scope.resolve("shippingProfileService")
 
   // Add to default shipping profile
@@ -101,7 +107,7 @@ export default async (req, res) => {
   const result = await manager.transaction(async (transactionManager) => {
     return await optionService
       .withTransaction(transactionManager)
-      .create(validated)
+      .create(validated as CreateShippingOptionInput)
   })
 
   const data = await optionService.retrieve(result.id, {
@@ -113,8 +119,11 @@ export default async (req, res) => {
 }
 
 class OptionRequirement {
-  @IsString()
-  type: string
+  @IsEnum(RequirementType, {
+    message: `Invalid option type, must be one of "min_subtotal" or "max_subtotal"`,
+  })
+  type: RequirementType
+
   @IsNumber()
   amount: number
 }
@@ -203,15 +212,17 @@ export class AdminPostShippingOptionsReq {
   @IsString()
   provider_id: string
 
-  @IsOptional()
   @IsString()
+  @IsOptional()
   profile_id?: string
 
   @IsObject()
-  data: object
+  data: Record<string, unknown>
 
-  @IsString()
-  price_type: string
+  @IsEnum(ShippingOptionPriceType, {
+    message: `Invalid price type, must be one of "flat_rate" or "calculated"`,
+  })
+  price_type: ShippingOptionPriceType
 
   @IsOptional()
   @IsNumber()

packages/medusa/src/api/routes/admin/shipping-options/update-shipping-option.ts

@@ -1,6 +1,7 @@
 import {
   IsArray,
   IsBoolean,
+  IsEnum,
   IsNumber,
   IsObject,
   IsOptional,
@@ -9,13 +10,14 @@ import {
 } from "class-validator"
 import { defaultFields, defaultRelations } from "."
 
-import { Type } from "class-transformer"
 import { EntityManager } from "typeorm"
-import TaxInclusivePricingFeatureFlag from "../../../../loaders/feature-flags/tax-inclusive-pricing"
 import { FeatureFlagDecorators } from "../../../../utils/feature-flag-decorators"
-import { validator } from "../../../../utils/validator"
+import { ShippingOptionPriceType } from "../../../../models"
 import { ShippingOptionService } from "../../../../services"
+import TaxInclusivePricingFeatureFlag from "../../../../loaders/feature-flags/tax-inclusive-pricing"
+import { Type } from "class-transformer"
 import { UpdateShippingOptionInput } from "../../../../types/shipping-options"
+import { validator } from "../../../../utils/validator"
 
 /**
  * @oas [post] /admin/shipping-options/{id}
@@ -123,8 +125,10 @@ class OptionRequirement {
   @IsString()
   @IsOptional()
   id: string
+
   @IsString()
   type: string
+
   @IsNumber()
   amount: number
 }
@@ -187,6 +191,12 @@ export class AdminPostShippingOptionsOptionReq {
   @IsOptional()
   amount?: number
 
+  @IsEnum(ShippingOptionPriceType, {
+    message: `Invalid price type, must be one of "flat_rate" or "calculated"`,
+  })
+  @IsOptional()
+  price_type?: ShippingOptionPriceType
+
   @IsArray()
   @ValidateNested({ each: true })
   @Type(() => OptionRequirement)