feat: Add custom relationships endpoint and type

src/endpoints/custom-relationships.js

@@ -0,0 +1,62 @@
+import RequestFactory from '../factories/request'
+import { buildURL } from '../utils/helpers'
+
+class CustomRelationshipsEndpoint {
+  constructor(endpoint) {
+    const config = { ...endpoint }
+    config.version = 'pcm'
+    this.request = new RequestFactory(config)
+    this.endpoint = 'custom_relationships'
+  }
+
+  All() {
+    const { filter, limit, offset } = this
+    return this.request.send(
+      buildURL(this.endpoint, {
+        filter,
+        limit,
+        offset
+      }),
+      'GET'
+    )
+  }
+
+  Get(slug) {
+    return this.request.send(`${this.endpoint}/${slug}`, 'GET')
+  }
+
+  Create(body) {
+    return this.request.send(this.endpoint, 'POST', {
+      ...body,
+      type: 'custom-relationship'
+    })
+  }
+
+  Update(slug, body) {
+    return this.request.send(`${this.endpoint}/${slug}`, 'PUT', {
+      ...body,
+      type: 'custom-relationship'
+    })
+  }
+
+  Delete(slug) {
+    return this.request.send(`${this.endpoint}/${slug}`, 'DELETE')
+  }
+
+  Filter(filter) {
+    this.filter = filter
+    return this
+  }
+
+  Limit(value) {
+    this.limit = value
+    return this
+  }
+
+  Offset(value) {
+    this.offset = value
+    return this
+  }
+}
+
+export default CustomRelationshipsEndpoint

src/index.d.ts

@@ -68,6 +68,7 @@ import { CustomApisEndpoint } from './types/custom-apis'
 import { SubscriptionDunningRulesEndpoint } from './types/subscription-dunning-rules'
 import { SubscriptionProrationPoliciesEndpoint } from './types/subscription-proration-policies'
 import { SubscriptionInvoicesEndpoint } from './types/subscription-invoices'
+import { CustomRelationshipsEndpoint } from './types/custom-relationships'
 
 export * from './types/config'
 export * from './types/storage'
@@ -146,6 +147,7 @@ export * from './types/custom-apis'
 export * from './types/subscription-dunning-rules'
 export * from './types/subscription-proration-policies'
 export * from './types/subscription-invoices'
+export * from './types/custom-relationships'
 
 // UMD
 export as namespace elasticpath
@@ -215,6 +217,7 @@ export class ElasticPath {
   SubscriptionDunningRules: SubscriptionDunningRulesEndpoint
   SubscriptionProrationPolicies: SubscriptionProrationPoliciesEndpoint
   SubscriptionInvoices: SubscriptionInvoicesEndpoint
+  CustomRelationships: CustomRelationshipsEndpoint
 
   Cart(id?: string): CartEndpoint // This optional cart id is super worrying when using the SDK in a node server :/
   constructor(config: Config)

src/index.js

@@ -59,6 +59,7 @@ import SubscriptionSchedulesEndpoint from './endpoints/subscription-schedules'
 import SubscriptionDunningRulesEndpoint from './endpoints/subscription-dunning-rules'
 import SubscriptionProrationPoliciesEndpoint from './endpoints/subscription-proration-policies'
 import SubscriptionInvoicesEndpoint from './endpoints/subscription-invoices'
+import CustomRelationshipsEndpoint from './endpoints/custom-relationships'
 
 import {
   cartIdentifier,
@@ -148,6 +149,7 @@ export default class ElasticPath {
     this.SubscriptionProrationPolicies =
       new SubscriptionProrationPoliciesEndpoint(config)
     this.SubscriptionInvoices = new SubscriptionInvoicesEndpoint(config)
+    this.CustomRelationships = new CustomRelationshipsEndpoint(config)
   }
 
   // Expose `Cart` class on ElasticPath class

src/types/custom-relationships.d.ts

@@ -0,0 +1,107 @@
+/**
+ * Custom Relationships
+ * Description: Custom Relationships
+ */
+
+import {
+  Identifiable,
+  CrudQueryableResource,
+  ResourcePage,
+  ResourceList,
+  Resource
+} from './core'
+
+export interface CustomRelationshipBaseAttributes {
+  name: string
+  description?: string
+  slug: string
+}
+
+export interface CustomRelationshipBase {
+  type: 'custom-relationship'
+  attributes: CustomRelationshipBaseAttributes
+  meta: {
+    owner: 'organization' | 'store'
+    timestamps: {
+      created_at: string
+      updated_at: string
+    }
+  }
+}
+
+export interface CustomRelationship
+  extends Identifiable,
+    CustomRelationshipBase {}
+
+export interface CreateCustomRelationshipBody
+  extends Pick<CustomRelationshipBase, 'attributes'> {}
+
+export interface UpdateCustomRelationshipBody
+  extends Identifiable,
+    Pick<CustomRelationshipBase, 'attributes'> {}
+
+export interface CustomRelationshipsFilter {
+  eq?: {
+    owner?: 'organization' | 'store'
+  }
+}
+
+export interface CustomRelationshipsListResponse
+  extends ResourceList<CustomRelationship> {
+  links?: { [key: string]: string | null } | {}
+  meta: {
+    results: {
+      total: number
+    }
+  }
+}
+
+export interface CustomRelationshipsEndpoint {
+  endpoint: 'custom_relationships'
+  /**
+   * List Custom Relationships
+   */
+  All(): Promise<CustomRelationshipsListResponse>
+
+  /**
+   * Get Custom Relationship
+   * @param slug - The slug of the Custom Relationship. It should always be prefixed with 'CRP_'
+   */
+  Get(slug: string): Promise<Resource<CustomRelationship>>
+
+  /**
+   * Create Custom Relationship
+   * @param body - The base attributes of the Custom Relationships
+   */
+  Create(
+    body: CreateCustomRelationshipBody
+  ): Promise<Resource<CustomRelationship>>
+
+  /**
+   * Update Custom Relationship
+   * @param slug - The slug of the Custom Relationship. It should always be prefixed with 'CRP_'
+   * @param body - The base attributes of the Custom Relationships.
+   * The Slug attribute cannot be updated and the slug within this object should match this function's first argument.
+   */
+  Update(
+    slug: string,
+    body: UpdateCustomRelationshipBody
+  ): Promise<Resource<CustomRelationship>>
+
+  /**
+   * Delete Custom Relationship
+   * @param slug - The slug of the Custom Relationship. It should always be prefixed with 'CRP_'
+   */
+  Delete(slug: string): Promise<{}>
+
+  /**
+   * Custom Relationship filtering
+   * @param filter - The filter object.
+   * Currently supports the 'eq' filter operator for the 'owner' field of the Custom Relationship.
+   */
+  Filter(filter: CustomRelationshipsFilter): CustomRelationshipsEndpoint
+
+  Limit(value: number): CustomRelationshipsEndpoint
+
+  Offset(value: number): CustomRelationshipsEndpoint
+}