From 0f9d1cca169cd0b322d13e57b5a081b0c5adaf21 Mon Sep 17 00:00:00 2001
From: Dimas Ragil T <dynastymasra@gmail.com>
Date: Wed, 16 Dec 2020 16:40:27 +0700
Subject: [PATCH] Add Revise Subscription (#187)

* Add function revise subscription

* Update README add revise subscription
---
 README.md       |  1 +
 subscription.go | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/README.md b/README.md
index ebce42b..d817fdc 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,7 @@
  * GET /v1/billing/subscriptions/**ID**
  * POST /v1/billing/subscriptions/**ID**/activate
  * POST /v1/billing/subscriptions/**ID**/cancel
+ * POST /v1/billing/subscriptions/**ID**/revise
  * POST /v1/billing/subscriptions/**ID**/capture
  * POST /v1/billing/subscriptions/**ID**/suspend
  * GET /v1/billing/subscriptions/**ID**/transactions
diff --git a/subscription.go b/subscription.go
index 711b9ed..77b414d 100644
--- a/subscription.go
+++ b/subscription.go
@@ -10,6 +10,7 @@ type (
 	SubscriptionBase struct {
 		PlanID             string              `json:"plan_id"`
 		StartTime          *JSONTime           `json:"start_time,omitempty"`
+		EffectiveTime      *JSONTime           `json:"effective_time,omitempty"`
 		Quantity           string              `json:"quantity,omitempty"`
 		ShippingAmount     *Money              `json:"shipping_amount,omitempty"`
 		Subscriber         *Subscriber         `json:"subscriber,omitempty"`
@@ -186,3 +187,19 @@ func (c *Client) GetSubscriptionTransactions(requestParams SubscriptionTransacti
 	err = c.SendWithAuth(req, response)
 	return response, err
 }
+
+// Revise plan or quantity of subscription
+// Doc: https://developer.paypal.com/docs/api/subscriptions/v1/#subscriptions_revise
+// Endpoint: POST /v1/billing/subscriptions/{id}/revise
+func (c *Client) ReviseSubscription(subscriptionId string, reviseSubscription SubscriptionBase) (*SubscriptionDetailResp, error) {
+	req, err := c.NewRequest(http.MethodPost, fmt.Sprintf("%s/v1/billing/subscriptions/%s/revise", c.APIBase, subscriptionId), reviseSubscription)
+	response := &SubscriptionDetailResp{}
+	if err != nil {
+		return response, err
+	}
+
+	req.Header.Add("Content-Type", "application/json")
+	err = c.SendWithAuth(req, response)
+
+	return response, err
+}