feat: orders metrics endpoints added (#602)

* feat: orders metrics endpoints added

* fix: console.log removed

src/endpoints/metrics.js

@@ -0,0 +1,28 @@
+import BaseExtend from '../extends/base'
+import { formatQueryParams } from '../utils/helpers'
+
+class MetricsEndpoint extends BaseExtend {
+  constructor(endpoint) {
+    super(endpoint)
+
+    this.endpoint = 'metrics'
+  }
+
+  TotalOrders(query) {
+    const formattedString = formatQueryParams(query)
+    return this.request.send(
+      `${this.endpoint}/orders/total?${formattedString}`,
+      'GET'
+    )
+  }
+
+  TotalValue(query) {
+    const formattedString = formatQueryParams(query)
+    return this.request.send(
+      `${this.endpoint}/orders/value?${formattedString}`,
+      'GET'
+    )
+  }
+}
+
+export default MetricsEndpoint

src/moltin.d.ts

@@ -43,6 +43,7 @@ import { PCMVariationsEndpoint } from "./types/pcm-variations"
 import { PcmVariationsRelationshipsEndpoint } from "./types/pcm-variations-relationships"
 import {UserAuthenticationPasswordProfileEndpoint
 } from "./types/user-authentication-password-profile";
+import { MetricsEndpoint } from './types/metrics'
 
 export * from './types/config'
 export * from './types/storage'
@@ -94,7 +95,7 @@ export * from './types/account-members'
 export * from './types/account-memberships'
 export * from './types/pcm-variations'
 export * from './types/pcm-variations-relationships'
-
+export * from './types/metrics'
 
 // UMD
 export as namespace moltin
@@ -143,7 +144,8 @@ export class Moltin {
   PasswordProfile: PasswordProfileEndpoint
   UserAuthenticationPasswordProfile: UserAuthenticationPasswordProfileEndpoint;
   PCMVariations: PCMVariationsEndpoint;
-  PcmVariationsRelationship: PcmVariationsRelationshipsEndpoint
+  PcmVariationsRelationship: PcmVariationsRelationshipsEndpoint;
+  Metrics: MetricsEndpoint
 
   Cart(id?: string): CartEndpoint // This optional cart id is super worrying when using the SDK in a node server :/
   constructor(config: Config)

src/moltin.js

@@ -41,6 +41,7 @@ import AccountMembersEndpoint from './endpoints/account-members'
 import AccountAuthenticationSettingsEndpoint from './endpoints/account-authentication-settings'
 import AccountMembershipsEndpoint from './endpoints/account-memberships'
 import PCMVariationsEndpoint from './endpoints/pcm-variations'
+import MetricsEndpoint from './endpoints/metrics'
 
 import { cartIdentifier, tokenInvalid, getCredentials } from './utils/helpers'
 import CatalogsEndpoint from './endpoints/catalogs'
@@ -99,6 +100,7 @@ export default class Moltin {
     this.UserAuthenticationPasswordProfile = new UserAuthenticationPasswordProfileEndpoint(
       config
     )
+    this.Metrics = new MetricsEndpoint(config)
   }
 
   // Expose `Cart` class on Moltin class

src/types/metrics.d.ts

@@ -0,0 +1,19 @@
+import { ResourcePage } from './core'
+
+export interface MetricsBase {
+  value: number
+  time: string
+}
+
+export interface MetricsQuery {
+  currency?: string
+  from: string
+  to: string
+  interval: string
+}
+
+export interface MetricsEndpoint {
+  TotalOrders(query: MetricsQuery): Promise<ResourcePage<MetricsBase>>
+
+  TotalValue(query: MetricsQuery): Promise<ResourcePage<MetricsBase>>
+}

src/utils/helpers.js

@@ -125,6 +125,12 @@ function buildQueryParams({ includes, sort, limit, offset, filter }) {
     .join('&')
 }
 
+export function formatQueryParams(query) {
+  return Object.keys(query)
+    .map(k => formatQueryString(k, query[k]))
+    .join('&')
+}
+
 export function buildURL(endpoint, params) {
   if (
     params.includes ||