From fbacf1ac63b78e7fea82c76319fc0f2d4ecab392 Mon Sep 17 00:00:00 2001
From: keyan <keyan.kousha+huumn@gmail.com>
Date: Sun, 10 Dec 2023 17:42:30 -0600
Subject: [PATCH] fix changing subs with different fees

---
 api/resolvers/item.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/api/resolvers/item.js b/api/resolvers/item.js
index 779330af..f936c3f7 100644
--- a/api/resolvers/item.js
+++ b/api/resolvers/item.js
@@ -1055,10 +1055,20 @@ export const createMentions = async (item, models) => {
 
 export const updateItem = async (parent, { sub: subName, forward, options, ...item }, { me, models, lnd, hash, hmac }) => {
   // update iff this item belongs to me
-  const old = await models.item.findUnique({ where: { id: Number(item.id) } })
+  const old = await models.item.findUnique({ where: { id: Number(item.id) }, include: { sub: true } })
   if (Number(old.userId) !== Number(me?.id)) {
     throw new GraphQLError('item does not belong to you', { extensions: { code: 'FORBIDDEN' } })
   }
+  if (old.subName !== subName) {
+    const sub = await models.sub.findUnique({ where: { name: subName } })
+    if (old.freebie) {
+      if (!sub.allowFreebies) {
+        throw new GraphQLError(`~${subName} does not allow freebies`, { extensions: { code: 'BAD_INPUT' } })
+      }
+    } else if (sub.baseCost > old.sub.baseCost) {
+      throw new GraphQLError('cannot change to a more expensive sub', { extensions: { code: 'BAD_INPUT' } })
+    }
+  }
 
   // in case they lied about their existing boost
   await ssValidate(advSchema, { boost: item.boost }, { models, me, existingBoost: old.boost })