showing always the expiration for the next order

pass/app/Key.js

@@ -78,7 +78,10 @@ class Key {
   get_charge(payment_reference_id = null) {
     let sum = 0;
     this.#key_orders.forEach((key_order) => {
-      if (payment_reference_id === null || payment_reference_id === key_order.payment_reference_id) {
+      if (
+        payment_reference_id === null ||
+        payment_reference_id === key_order.payment_reference_id
+      ) {
         sum += key_order.amount;
       }
     });
@@ -98,7 +101,7 @@ class Key {
     this.#key_orders.forEach((key_order) => {
       if (expiration === null) {
         expiration = key_order.expiration;
-      } else if (expiration.isBefore(key_order.expiration)) {
+      } else if (expiration.isAfter(key_order.expiration)) {
         expiration = key_order.expiration;
       }
     });
@@ -163,7 +166,10 @@ class Key {
   discharge_key(amount, payment_reference_id = null) {
     let discharged_amount = null;
     this.#key_orders.every((key_order, index) => {
-      if (payment_reference_id === null || key_order.payment_reference_id === payment_reference_id) {
+      if (
+        payment_reference_id === null ||
+        key_order.payment_reference_id === payment_reference_id
+      ) {
         if (discharged_amount === null) {
           discharged_amount = 0;
         }