fix: Remove trial logic using moment-timezone in B2C Subs Programs (#…

…34939)

REV-4067

lms/static/js/learner_dashboard/models/program_subscription_model.js

@@ -19,10 +19,6 @@ class ProgramSubscriptionModel extends Backbone.Model {
         } = context;
 
         const priceInUSD = subscription_prices?.find(({ currency }) => currency === 'USD');
-        const trialMoment = DateUtils.localizeTime(
-            DateUtils.stringToMoment(data.trial_end),
-            'UTC'
-        );
 
         const subscriptionState = data.subscription_state?.toLowerCase() ?? '';
         const subscriptionPrice = StringUtils.interpolate(
@@ -38,24 +34,15 @@ class ProgramSubscriptionModel extends Backbone.Model {
                 ? urls.manage_subscription_url
                 : urls.buy_subscription_url;
 
-        const hasActiveTrial =
-            subscriptionState === 'active' && data.trial_end
-                ? trialMoment.isAfter(moment.utc())
-                : false;
+        const hasActiveTrial = false;
 
-        const remainingDays = ProgramSubscriptionModel.getRemainingDays(
-            data.trial_end,
-            userPreferences
-        );
+        const remainingDays = 0;
 
         const [currentPeriodEnd] = ProgramSubscriptionModel.formatDate(
             data.current_period_end,
             userPreferences
         );
-        const [trialEndDate, trialEndTime] = ProgramSubscriptionModel.formatDate(
-            data.trial_end,
-            userPreferences
-        );
+        const [trialEndDate, trialEndTime] = ['', ''];
 
         super(
             {
@@ -79,7 +66,7 @@ class ProgramSubscriptionModel extends Backbone.Model {
         }
 
         const userTimezone = (
-            userPreferences.time_zone || moment.tz.guess() || 'UTC'
+            userPreferences.time_zone || moment?.tz?.guess?.() || 'UTC'
         );
         const userLanguage = userPreferences['pref-lang'] || 'en';
         const context = {
@@ -90,37 +77,10 @@ class ProgramSubscriptionModel extends Backbone.Model {
         };
 
         const localDate = DateUtils.localize(context);
-        const localTime = DateUtils.localizeTime(
-            DateUtils.stringToMoment(date),
-            userTimezone
-        ).format('HH:mm (z)');
+        const localTime = '';
 
         return [localDate, localTime];
     }
-
-    static getRemainingDays(trialEndDate, userPreferences) {
-        if (!trialEndDate) {
-            return 0;
-        }
-
-        const userTimezone = (
-            userPreferences.time_zone || moment.tz.guess() || 'UTC'
-        );
-        const trialEndTime = DateUtils.localizeTime(
-            DateUtils.stringToMoment(trialEndDate),
-            userTimezone
-        );
-        const currentTime = DateUtils.localizeTime(
-            moment.utc(),
-            userTimezone
-        );
-
-        return trialEndTime.diff(currentTime, 'days') < 1
-            ? // 0 if trial end time is less than 24 hrs
-              0
-            : // else return actual difference in days
-              trialEndTime.startOf('day').diff(currentTime.startOf('day'), 'days');
-    }
 }
 
 export default ProgramSubscriptionModel;