upgrade: Show tier corresponding to session on upgrade page.

corporate/lib/stripe.py

@@ -1508,7 +1508,7 @@ class BillingSession(ABC):
                 "billing_base_url": self.billing_base_url,
             },
             "payment_method": current_payment_method,
-            "plan": "Zulip Cloud Standard",
+            "plan": CustomerPlan.name_from_tier(tier),
             "salt": salt,
             "seat_count": seat_count,
             "signed_seat_count": signed_seat_count,
@@ -2873,6 +2873,8 @@ def get_price_per_license(
     price_map: Dict[int, Dict[str, int]] = {
         CustomerPlan.TIER_CLOUD_STANDARD: {"Annual": 8000, "Monthly": 800},
         CustomerPlan.TIER_CLOUD_PLUS: {"Annual": 16000, "Monthly": 1600},
+        # Placeholder self-hosted plan for development.
+        CustomerPlan.TIER_SELF_HOSTED_BUSINESS: {"Annual": 8000, "Monthly": 800},
     }
 
     try:

corporate/models.py

@@ -293,6 +293,7 @@ class CustomerPlan(models.Model):
             CustomerPlan.TIER_CLOUD_STANDARD: "Zulip Cloud Standard",
             CustomerPlan.TIER_CLOUD_PLUS: "Zulip Plus",
             CustomerPlan.TIER_CLOUD_ENTERPRISE: "Zulip Enterprise",
+            CustomerPlan.TIER_SELF_HOSTED_BUSINESS: "Zulip Self-Hosted Business",
         }[tier]
 
     @property

corporate/views/upgrade.py

@@ -205,7 +205,7 @@ def remote_realm_upgrade_page(
 ) -> HttpResponse:  # nocoverage
     initial_upgrade_request = InitialUpgradeRequest(
         manual_license_management=manual_license_management,
-        tier=CustomerPlan.TIER_CLOUD_STANDARD,
+        tier=CustomerPlan.TIER_SELF_HOSTED_BUSINESS,
     )
     redirect_url, context = billing_session.get_initial_upgrade_context(initial_upgrade_request)
 
@@ -226,7 +226,7 @@ def remote_server_upgrade_page(
 ) -> HttpResponse:  # nocoverage
     initial_upgrade_request = InitialUpgradeRequest(
         manual_license_management=manual_license_management,
-        tier=CustomerPlan.TIER_CLOUD_STANDARD,
+        tier=CustomerPlan.TIER_SELF_HOSTED_BUSINESS,
     )
     redirect_url, context = billing_session.get_initial_upgrade_context(initial_upgrade_request)
 

templates/corporate/upgrade.html

@@ -152,7 +152,7 @@
                                 {% if free_trial_days %}
                                     Start {{ free_trial_days }}-day free trial
                                 {% else %}
-                                    Purchase Zulip Cloud Standard
+                                    Purchase {{ plan }}
                                 {% endif %}
                             </span>
                             <object class="loader upgrade-button-loader" type="image/svg+xml" data="{{ static('images/loading/loader-white.svg') }}"></object>