From db67d05b979a28373095f363cb5ceae127129187 Mon Sep 17 00:00:00 2001
From: Christopher Rogers <chrissrogers@gmail.com>
Date: Thu, 22 Aug 2024 15:23:58 -0600
Subject: [PATCH] Ensures setup fees are not applied to subscriptions with
 quantity = 0

---
 .../pricing/subscription/calculations.js      | 51 +++++++++----------
 1 file changed, 24 insertions(+), 27 deletions(-)

diff --git a/lib/recurly/pricing/subscription/calculations.js b/lib/recurly/pricing/subscription/calculations.js
index b22d02c3..0659af4f 100644
--- a/lib/recurly/pricing/subscription/calculations.js
+++ b/lib/recurly/pricing/subscription/calculations.js
@@ -47,6 +47,26 @@ export default class Calculations {
     });
   }
 
+  get isTrial () {
+    const coupon = this.items.coupon;
+    if (coupon && coupon.discount.type === 'free_trial') return true;
+    return !!this.items.plan.trial;
+  }
+
+  get planPrice () {
+    const plan = this.items.plan;
+    if (!plan) return { amount: 0, setup_fee: 0 };
+    let price = plan.price[this.items.currency];
+    let quantity = this.planQuantity;
+    if (isNaN(quantity)) quantity = 1;
+    price.amount = price.unit_amount * quantity;
+    return price;
+  }
+
+  get planQuantity () {
+    return parseInt(this.items.plan?.quantity, 10);
+  }
+
   /**
    * Calculates subtotal
    *
@@ -145,11 +165,11 @@ export default class Calculations {
     this.price.base.plan.unit = base.unit_amount;
     this.price.base.plan.setup_fee = base.setup_fee;
 
-    const amount = this.planPrice().amount;
+    const amount = this.planPrice.amount;
     this.price.now.plan = amount;
     this.price.next.plan = amount;
 
-    if (this.isTrial()) this.price.now.plan = 0;
+    if (this.isTrial) this.price.now.plan = 0;
   }
 
   /**
@@ -185,7 +205,7 @@ export default class Calculations {
       this.price.base.addons[addon.code] = unitPrice;
       this.price.addons[addon.code] = totalPrice; // DEPRECATED
 
-      if (!this.isTrial()) this.price.now.addons += totalPrice;
+      if (!this.isTrial) this.price.now.addons += totalPrice;
       this.price.next.addons += totalPrice;
     });
   }
@@ -226,7 +246,7 @@ export default class Calculations {
    * @private
    */
   setupFee () {
-    this.price.now.setup_fee = this.planPrice().setup_fee;
+    this.price.now.setup_fee = this.planQuantity > 0 ? this.planPrice.setup_fee : 0;
     this.price.next.setup_fee = 0;
   }
 
@@ -261,27 +281,4 @@ export default class Calculations {
       return { used, remains };
     }
   }
-
-  /**
-   * Get the price structure of the current plan on the current currency
-   *
-   * @return {Object} { amount, setup_fee }
-   * @private
-   */
-  planPrice () {
-    const plan = this.items.plan;
-    if (!plan) return { amount: 0, setup_fee: 0 };
-    let price = plan.price[this.items.currency];
-    let quantity = parseInt(plan.quantity, 10);
-    if (isNaN(quantity)) quantity = 1;
-    price.amount = price.unit_amount * quantity;
-    return price;
-  }
-
-  isTrial () {
-    const coupon = this.items.coupon;
-    if (coupon && coupon.discount.type === 'free_trial') return true;
-    return this.items.plan.trial;
-  }
-
 }