Revert "[web] Prevent subscription downgrades (#19895)" (#21779)

This reverts commit b0ff548b4e1bf5843a96885b3176fdf11a49a2e1.

GitOrigin-RevId: b01c0800c62b83da8db2e01fc1fb6ca09e099c4d

services/web/app/src/Features/Subscription/SubscriptionUpdater.js

@@ -274,27 +274,6 @@ async function _notifySupportSubscriptionDeletionSkipped(
   await Modules.promises.hooks.fire('sendSupportRequest', data)
 }
 
-async function _notifySubscriptionDowngradeSkipped(
-  subscription,
-  recurlySubscription,
-  subject
-) {
-  const adminUrl = `${Settings.adminUrl + '/admin/user/' + subscription.admin_id}`
-  const groupUrl = `${Settings.adminUrl + '/admin/group/' + subscription._id}`
-  let message = `\n**Recurly account:** <a href="${recurlySubscription?.account?.url}">${recurlySubscription?.account?.url}</a>`
-  message += `\n**Group admin:** <a href="${adminUrl}">${adminUrl}</a>`
-  message += `\n**Group:** <a href="${groupUrl}">${groupUrl}</a>`
-
-  const data = {
-    subject,
-    inbox: 'support',
-    tags: 'Group subscription',
-    message,
-  }
-
-  await Modules.promises.hooks.fire('sendSupportRequest', data)
-}
-
 async function updateSubscriptionFromRecurly(
   recurlySubscription,
   subscription,
@@ -374,8 +353,6 @@ async function updateSubscriptionFromRecurly(
     return
   }
 
-  const currentSubscriptionPlanCode = subscription.planCode
-
   const addOns = recurlySubscription?.subscription_add_ons?.map(addOn => {
     return {
       addOnCode: addOn.add_on_code,
@@ -394,65 +371,13 @@ async function updateSubscriptionFromRecurly(
   }
 
   if (plan.groupPlan) {
-    if (Settings.preventSubscriptionPlanDowngrade) {
-      // We're preventing professional to standard downgrade.
-      // See https://github.com/overleaf/internal/issues/19852
-      const isProfessionalToStandardDowngrade =
-        currentSubscriptionPlanCode.includes('professional') &&
-        plan.planCode.includes('collaborator') &&
-        !plan.planCode.includes('_ibis') &&
-        !plan.planCode.includes('_heron') &&
-        plan.planCode !== 'collaborator-annual_free_trial'
-
-      if (isProfessionalToStandardDowngrade) {
-        try {
-          await _notifySubscriptionDowngradeSkipped(
-            subscription,
-            recurlySubscription,
-            'Skipped professional to standard downgrade'
-          )
-        } catch (e) {
-          logger.warn(
-            { subscriptionId: subscription._id },
-            'unable to send notification to support that  professional to standard downgrade was skipped'
-          )
-        }
-        subscription.planCode = currentSubscriptionPlanCode
-      }
-    }
-
     if (!subscription.groupPlan) {
       subscription.member_ids = subscription.member_ids || []
       subscription.member_ids.push(subscription.admin_id)
     }
 
     subscription.groupPlan = true
-
-    if (Settings.preventSubscriptionPlanDowngrade) {
-      // We're preventing automatically downgrading of group member limit
-      // See https://github.com/overleaf/internal/issues/19852
-      if (
-        !subscription.membersLimit ||
-        subscription.membersLimit < plan.membersLimit
-      ) {
-        subscription.membersLimit = plan.membersLimit
-      } else {
-        try {
-          await _notifySubscriptionDowngradeSkipped(
-            subscription,
-            recurlySubscription,
-            'Skipped group size downgrade'
-          )
-        } catch (e) {
-          logger.warn(
-            { subscriptionId: subscription._id },
-            'unable to send notification to support that group size downgrade was skipped'
-          )
-        }
-      }
-    } else {
-      subscription.membersLimit = plan.membersLimit
-    }
+    subscription.membersLimit = plan.membersLimit
 
     // Some plans allow adding more seats than the base plan provides.
     // This is recorded as a subscription add on.