registration: Add google analytics to realm creation process.

Track `create_realm` and `new_realm_send_confirm` using
google analytics.
This will help us track number of users who want to
create a new Zulip organization.

zerver/views/registration.py

@@ -11,6 +11,7 @@ from django.core.exceptions import ValidationError
 from django.db.models import Q
 from django.http import HttpRequest, HttpResponse, HttpResponseRedirect
 from django.shortcuts import redirect, render
+from django.template.response import TemplateResponse
 from django.urls import reverse
 from django.utils.translation import get_language
 from django_auth_ldap.backend import LDAPBackend, _LDAPUser
@@ -33,7 +34,7 @@ from zerver.actions.user_settings import (
     do_change_user_setting,
 )
 from zerver.context_processors import get_realm_from_request, login_context
-from zerver.decorator import do_login, require_post
+from zerver.decorator import add_google_analytics, do_login, require_post
 from zerver.forms import (
     FindMyTeamForm,
     HomepageForm,
@@ -604,17 +605,18 @@ def redirect_to_email_login_url(email: str) -> HttpResponseRedirect:
     return HttpResponseRedirect(redirect_url)
 
 
+@add_google_analytics
 def create_realm(request: HttpRequest, creation_key: Optional[str] = None) -> HttpResponse:
     try:
         key_record = validate_key(creation_key)
     except RealmCreationKey.InvalidError:
-        return render(
+        return TemplateResponse(
             request,
             "zerver/realm_creation_link_invalid.html",
         )
     if not settings.OPEN_REALM_CREATION:
         if key_record is None:
-            return render(
+            return TemplateResponse(
                 request,
                 "zerver/realm_creation_disabled.html",
             )
@@ -628,7 +630,7 @@ def create_realm(request: HttpRequest, creation_key: Optional[str] = None) -> Ht
                 rate_limit_request_by_ip(request, domain="sends_email_by_ip")
             except RateLimitedError as e:
                 assert e.secs_to_freedom is not None
-                return render(
+                return TemplateResponse(
                     request,
                     "zerver/rate_limit_exceeded.html",
                     context={"retry_after": int(e.secs_to_freedom)},
@@ -658,13 +660,22 @@ def create_realm(request: HttpRequest, creation_key: Optional[str] = None) -> Ht
             return HttpResponseRedirect(reverse("new_realm_send_confirm", kwargs={"email": email}))
     else:
         form = RealmCreationForm()
-    return render(
+    return TemplateResponse(
         request,
         "zerver/create_realm.html",
         context={"form": form, "current_url": request.get_full_path},
     )
 
 
+@add_google_analytics
+def new_realm_send_confirm(request: HttpRequest, email: str) -> HttpResponse:
+    return TemplateResponse(
+        request,
+        "zerver/accounts_send_confirm.html",
+        context={"email": email, "realm_creation": True},
+    )
+
+
 def accounts_home(
     request: HttpRequest,
     multiuse_object_key: str = "",

zproject/urls.py

@@ -124,6 +124,7 @@ from zerver.views.registration import (
     create_realm,
     find_account,
     get_prereg_key_and_redirect,
+    new_realm_send_confirm,
     realm_redirect,
 )
 from zerver.views.report import (
@@ -569,8 +570,7 @@ i18n_urls = [
     ),
     path(
         "accounts/new/send_confirm/<email>",
-        TemplateView.as_view(template_name="zerver/accounts_send_confirm.html"),
-        {"realm_creation": True},
+        new_realm_send_confirm,
         name="new_realm_send_confirm",
     ),
     path("accounts/register/", accounts_register, name="accounts_register"),