feat(api): add list plans method

Author: stfsy

lib/paddle/api.js

@@ -59,11 +59,21 @@ module.exports = class {
      */
     async listSubscriptions(state = 'active') {
         return this._returnResponseIf200(this._got(PATH_LIST_USERS, {
-            form: {
-                vendor_id: this._vendorId,
-                vendor_auth_code: this._authCode,
-                state
-            }
+    /**
+     * 
+     * @param {String} plan return only specific plan info
+     * @returns 
+     */
+    async listPlans(plan) {
+        const form = {
+            vendor_id: this._vendorId,
+            vendor_auth_code: this._authCode
+        }
+        if (plan) {
+            form.plan = plan
+        }
+        return this._returnResponseIf200(this._got(PATH_LIST_PLANS, {
+            form
         }))
     }
 

test-e2e/spec/api.spec.js

@@ -19,4 +19,14 @@ test('list all products', async () => {
 test('list all subscriptions', async () => {
     const subs = await api.listSubscriptions()
     expect(subs).toHaveLength(0)
+})
+
+test('list all plans', async () => {
+    const subs = await api.listPlans()
+    expect(subs).toHaveLength(2)
+})
+
+test('list one plan', async () => {
+    const subs = await api.listPlans(33590)
+    expect(subs).toHaveLength(1)
 })