support: Show current discount for current plan.

This should match any discount information shown for the remote
realm or server.

analytics/tests/test_support_views.py

@@ -615,10 +615,11 @@ class TestSupportEndpoint(ZulipTestCase):
             )
 
     def test_attach_discount(self) -> None:
-        cordelia = self.example_user("cordelia")
         lear_realm = get_realm("lear")
-        self.login_user(cordelia)
+        customer = self.create_customer_and_plan(lear_realm, True)
 
+        cordelia = self.example_user("cordelia")
+        self.login_user(cordelia)
         result = self.client_post(
             "/activity/support", {"realm_id": f"{lear_realm.id}", "discount": "25"}
         )
@@ -632,9 +633,26 @@ class TestSupportEndpoint(ZulipTestCase):
             "/activity/support", {"realm_id": f"{lear_realm.id}", "discount": "25"}
         )
         self.assert_in_success_response(["Discount for lear changed to 25% from 0%"], result)
-        customer = get_customer_by_realm(lear_realm)
-        assert customer is not None
+
+        customer.refresh_from_db()
+        plan = get_current_plan_by_customer(customer)
+        assert plan is not None
         self.assertEqual(customer.default_discount, Decimal(25))
+        self.assertEqual(plan.discount, Decimal(25))
+
+        result = self.client_get("/activity/support", {"q": "lear"})
+        self.assert_in_success_response(
+            [
+                "<b>Plan name</b>: Zulip Cloud Standard",
+                "<b>Status</b>: Active",
+                "<b>Discount</b>: 25%",
+                "<b>Billing schedule</b>: Monthly",
+                "<b>Licenses</b>: 2/10 (Manual)",
+                "<b>Price per license</b>: $6.0",
+                "<b>Next invoice date</b>: 02 February 2016",
+            ],
+            result,
+        )
 
     def test_change_sponsorship_status(self) -> None:
         lear_realm = get_realm("lear")

analytics/views/support.py

@@ -56,6 +56,7 @@ if settings.BILLING_ENABLED:
         RemoteServerBillingSession,
         SupportType,
         SupportViewRequest,
+        format_discount_percentage,
     )
     from corporate.lib.support import (
         PlanData,
@@ -364,6 +365,7 @@ def support(
     context["get_realm_admin_emails_as_string"] = get_realm_admin_emails_as_string
     context["get_discount"] = get_customer_discount_for_support_view
     context["get_org_type_display_name"] = get_org_type_display_name
+    context["format_discount"] = format_discount_percentage
     context["realm_icon_url"] = realm_icon_url
     context["Confirmation"] = Confirmation
     context["sorted_realm_types"] = sorted(
@@ -513,6 +515,7 @@ def remote_servers_support(
     context["remote_realms_support_data"] = realm_support_data
     context["get_plan_type_name"] = get_plan_type_string
     context["get_org_type_display_name"] = get_org_type_display_name
+    context["format_discount"] = format_discount_percentage
     context["SPONSORED_PLAN_TYPE"] = RemoteZulipServer.PLAN_TYPE_COMMUNITY
 
     return render(

templates/analytics/current_plan_details.html

@@ -10,6 +10,9 @@
 {% if plan_data.current_plan.tier == plan_data.current_plan.TIER_SELF_HOSTED_COMMUNITY %}
 <!-- Any data below doesn't makes sense for sponsored organizations. -->
 {% else %}
+{% if plan_data.current_plan.discount %}
+    <b>Discount</b>: {{ format_discount(plan_data.current_plan.discount) }}%<br />
+{% endif %}
 {% if plan_data.is_legacy_plan %}
     <b>End date</b>: {{ plan_data.current_plan.end_date.strftime('%d %B %Y') }}<br />
 {% else %}

templates/analytics/realm_details.html

@@ -113,6 +113,7 @@
 <div class="current-plan-details">
     {% with %}
         {% set plan_data = plan_data[realm.id] %}
+        {% set format_discount = format_discount %}
         {% include 'analytics/current_plan_details.html' %}
     {% endwith %}
 </div>

templates/analytics/remote_realm_details.html

@@ -27,6 +27,7 @@
 <div class="remote-realm-information">
     {% with %}
         {% set plan_data = support_data[remote_realm.id].plan_data %}
+        {% set format_discount = format_discount %}
         {% include 'analytics/current_plan_details.html' %}
     {% endwith %}
 </div>

templates/analytics/remote_server_support.html

@@ -69,6 +69,7 @@
             <div class="remote-server-information">
                 {% with %}
                     {% set plan_data = remote_servers_support_data[remote_server.id].plan_data %}
+                    {% set format_discount = format_discount %}
                     {% include 'analytics/current_plan_details.html' %}
                 {% endwith %}
             </div>
@@ -87,6 +88,7 @@
                 {% with %}
                     {% set support_data = remote_realms_support_data %}
                     {% set get_plan_type_name = get_plan_type_name %}
+                    {% set format_discount = format_discount %}
                     {% include "analytics/remote_realm_details.html" %}
                 {% endwith %}
             </div>

templates/analytics/support.html

@@ -49,7 +49,10 @@
             </form>
             <hr />
             <div>
-                {% include "analytics/realm_details.html" %}
+                {% with %}
+                    {% set format_discount = format_discount %}
+                    {% include "analytics/realm_details.html" %}
+                {% endwith %}
             </div>
             <hr />
         </div>
@@ -57,7 +60,10 @@
 
         {% for realm in realms %}
         <div class="support-query-result">
-            {% include "analytics/realm_details.html" %}
+            {% with %}
+                {% set format_discount = format_discount %}
+                {% include "analytics/realm_details.html" %}
+            {% endwith %}
         </div>
         {% endfor %}
 
@@ -106,7 +112,10 @@
             {% if show_realm_details %}
             <hr />
             <div>
-                {% include "analytics/realm_details.html" %}
+                {% with %}
+                    {% set format_discount = format_discount %}
+                    {% include "analytics/realm_details.html" %}
+                {% endwith %}
             </div>
             {% elif realm %}
             <b>Realm</b>: {{ realm.string_id }}