fix: subscription proration policy prefix, offering attach/detach pro…

…duct (#940)

BREAKING CHANGE:

src/endpoints/subscription-offerings.js

@@ -30,6 +30,16 @@ class SubscriptionOfferingsEndpoint extends CRUDExtend {
     })
   }
 
+  AttachProducts(offeringId, body) {
+    return this.request.send(`${this.endpoint}/${offeringId}/products/attach`, 'POST', {
+      ...body
+    })
+  }
+
+  RemoveProduct(offeringId, productId) {
+    return this.request.send(`${this.endpoint}/${offeringId}/products/${productId}`, 'DELETE')
+  }
+
   AttachPlans(offeringId, body) {
     return this.request.send(`${this.endpoint}/${offeringId}/plans/attach`, 'POST', {
       ...body

src/types/subscription-offerings.d.ts

@@ -46,7 +46,7 @@ export interface SubscriptionOfferingRelationships {
     proration_policy?: {
       data: {
         id: string
-        type: 'proration_policy'
+        type: 'subscription_proration_policy'
       }
     }
   }
@@ -86,7 +86,7 @@ export interface SubscriptionOfferingAttachPlanBody {
 }
 
 export interface SubscriptionOfferingAttachProrationPolicyBody {
-  type: 'proration_policy'
+  type: 'subscription_proration_policy'
   id: string
 }
 
@@ -154,6 +154,10 @@ export interface SubscriptionOfferingsEndpoint
 
   GetAttachedPlans(id: string) : Promise<Resource<SubscriptionOfferingPlan[]>>
 
+  AttachProducts(offeringId: string, body: SubscriptionOfferingAttachProductBody): Promise<Resource<SubscriptionProduct[]>>
+
+  RemoveProduct(offeringId: string, productId: string): Promise<void>
+
   AttachPlans(offeringId: string, body: SubscriptionOfferingAttachPlanBody): Promise<Resource<SubscriptionPlan[]>>
 
   RemovePlan(offeringId: string, planId: string): Promise<void>

src/types/subscription-proration-policies.d.ts

@@ -14,7 +14,7 @@ import {
  * DOCS: TODO: add docs when ready
  */
 export interface SubscriptionProrationPolicyBase {
-  type: 'proration_policy'
+  type: 'subscription_proration_policy'
   attributes: {
     name: string
     rounding: 'up' | 'down' | 'nearest'