billing: Add ignored_inputs paramater to create_ajax_request.

frontend_tests/node_tests/billing.js

@@ -34,10 +34,11 @@ run_test("initialize", (override) => {
     });
 
     let create_ajax_request_called = false;
-    function card_change_ajax(url, form_name, stripe_token, redirect_to, method) {
+    function card_change_ajax(url, form_name, stripe_token, ignored_inputs, redirect_to, method) {
         assert.equal(url, "/json/billing/sources/change");
         assert.equal(form_name, "cardchange");
         assert.equal(stripe_token, "stripe_token");
+        assert.deepEqual(ignored_inputs, undefined);
         assert.equal(redirect_to, undefined);
         assert.equal(method, undefined);
         create_ajax_request_called = true;
@@ -88,10 +89,11 @@ run_test("initialize", (override) => {
     });
 
     create_ajax_request_called = false;
-    function plan_change_ajax(url, form_name, stripe_token, redirect_to, method) {
+    function plan_change_ajax(url, form_name, stripe_token, ignored_inputs, redirect_to, method) {
         assert.equal(url, "/json/billing/plan");
         assert.equal(form_name, "planchange");
         assert.equal(stripe_token, undefined);
+        assert.deepEqual(ignored_inputs, undefined);
         assert.equal(redirect_to, undefined);
         assert.equal(method, "PATCH");
         create_ajax_request_called = true;

frontend_tests/node_tests/billing_helpers.js

@@ -127,16 +127,17 @@ run_test("create_ajax_request", (override) => {
         assert.equal(type, "PATCH");
         assert.equal(url, "/json/billing/upgrade");
 
-        assert.equal(Object.keys(data).length, 8);
+        assert.equal(Object.keys(data).length, 7);
         assert.equal(data.stripe_token, "stripe_token_id");
         assert.equal(data.seat_count, "{{ seat_count }}");
         assert.equal(data.signed_seat_count, "{{ signed_seat_count }}");
         assert.equal(data.salt, "{{ salt }}");
         assert.equal(data.billing_modality, "charge_automatically");
         assert.equal(data.schedule, "monthly");
-        assert.equal(data.license_management, "automatic");
         assert.equal(data.licenses, "");
 
+        assert(!("license_management" in data));
+
         history.pushState = (state_object, title, path) => {
             state.pushState += 1;
             assert.equal(state_object, "");
@@ -179,6 +180,7 @@ run_test("create_ajax_request", (override) => {
         "/json/billing/upgrade",
         "autopay",
         {id: "stripe_token_id"},
+        ["license_management"],
         undefined,
         "PATCH",
     );

frontend_tests/node_tests/upgrade.js

@@ -36,28 +36,34 @@ run_test("initialize", (override) => {
     });
 
     let create_ajax_request_form_call_count = 0;
-    helpers.__Rewire__("create_ajax_request", (url, form_name, stripe_token, redirect_to) => {
+    helpers.__Rewire__(
+        "create_ajax_request",
+        (url, form_name, stripe_token, ignored_inputs, redirect_to) => {
             create_ajax_request_form_call_count += 1;
             switch (form_name) {
                 case "autopay":
                     assert.equal(url, "/json/billing/upgrade");
                     assert.equal(stripe_token, "stripe_add_card_token");
+                    assert.equal(ignored_inputs, undefined);
                     assert.equal(redirect_to, undefined);
                     break;
                 case "invoice":
                     assert.equal(url, "/json/billing/upgrade");
                     assert.equal(stripe_token, undefined);
+                    assert.equal(ignored_inputs, undefined);
                     assert.equal(redirect_to, undefined);
                     break;
                 case "sponsorship":
                     assert.equal(url, "/json/billing/sponsorship");
                     assert.equal(stripe_token, undefined);
+                    assert.equal(ignored_inputs, undefined);
                     assert.equal(redirect_to, "/");
                     break;
                 default:
                     throw new Error("Unhandled case");
             }
-    });
+        },
+    );
 
     const open_func = (config_opts) => {
         assert.equal(config_opts.name, "Zulip");

static/js/billing/billing.js

@@ -35,6 +35,7 @@ export function initialize() {
             "planchange",
             undefined,
             undefined,
+            undefined,
             "PATCH",
         );
         e.preventDefault();

static/js/billing/helpers.js

@@ -7,6 +7,7 @@ export function create_ajax_request(
     url,
     form_name,
     stripe_token = null,
+    ignored_inputs = [],
     redirect_to = "/billing",
     type = "POST",
 ) {
@@ -36,6 +37,9 @@ export function create_ajax_request(
     }
 
     for (const item of form.serializeArray()) {
+        if (ignored_inputs.includes(item.name)) {
+            continue;
+        }
         data[item.name] = item.value;
     }
 

static/js/billing/upgrade.js

@@ -49,7 +49,13 @@ export const initialize = () => {
             return;
         }
         e.preventDefault();
-        helpers.create_ajax_request("/json/billing/sponsorship", "sponsorship", undefined, "/");
+        helpers.create_ajax_request(
+            "/json/billing/sponsorship",
+            "sponsorship",
+            undefined,
+            undefined,
+            "/",
+        );
     });
 
     const prices = {};