[WEB-4479] feat: enable/disable SMTP configuration (#7393)

* feat: api update instance configuration

* chore: add enable_smtp key

* fix: empty string for enable_smtp key

* chore: update email_port and email_from

* fix: handled smtp enable disable

* fix: error handling

* fix: refactor

* fix: removed enabled toast

* fix: refactor

---------

Co-authored-by: gakshita <akshitagoyal1516@gmail.com>
Co-authored-by: Akshita Goyal <36129505+gakshita@users.noreply.github.com>

apps/api/plane/license/api/views/__init__.py

@@ -1,7 +1,11 @@
 from .instance import InstanceEndpoint, SignUpScreenVisitedEndpoint
 
 
-from .configuration import EmailCredentialCheckEndpoint, InstanceConfigurationEndpoint
+from .configuration import (
+    EmailCredentialCheckEndpoint,
+    InstanceConfigurationEndpoint,
+    DisableEmailFeatureEndpoint,
+)
 
 
 from .admin import (

apps/api/plane/license/api/views/configuration.py

@@ -9,6 +9,7 @@ from smtplib import (
 
 # Django imports
 from django.core.mail import BadHeaderError, EmailMultiAlternatives, get_connection
+from django.db.models import Q, Case, When, Value
 
 # Third party imports
 from rest_framework import status
@@ -57,6 +58,34 @@ class InstanceConfigurationEndpoint(BaseAPIView):
         return Response(serializer.data, status=status.HTTP_200_OK)
 
 
+class DisableEmailFeatureEndpoint(BaseAPIView):
+    permission_classes = [InstanceAdminPermission]
+
+    @invalidate_cache(path="/api/instances/", user=False)
+    def delete(self, request):
+        try:
+            InstanceConfiguration.objects.filter(
+                Q(
+                    key__in=[
+                        "EMAIL_HOST",
+                        "EMAIL_HOST_USER",
+                        "EMAIL_HOST_PASSWORD",
+                        "ENABLE_SMTP",
+                        "EMAIL_PORT",
+                        "EMAIL_FROM",
+                    ]
+                )
+            ).update(
+                value=Case(When(key="ENABLE_SMTP", then=Value("0")), default=Value(""))
+            )
+            return Response(status=status.HTTP_200_OK)
+        except Exception:
+            return Response(
+                {"error": "Failed to disable email configuration"},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+
 class EmailCredentialCheckEndpoint(BaseAPIView):
     def post(self, request):
         receiver_email = request.data.get("receiver_email", False)

apps/api/plane/license/management/commands/configure_instance.py

@@ -89,6 +89,12 @@ class Command(BaseCommand):
                 "category": "GITLAB",
                 "is_encrypted": False,
             },
+            {
+                "key": "ENABLE_SMTP",
+                "value": os.environ.get("ENABLE_SMTP", "0"),
+                "category": "SMTP",
+                "is_encrypted": False,
+            },
             {
                 "key": "GITLAB_CLIENT_SECRET",
                 "value": os.environ.get("GITLAB_CLIENT_SECRET"),

apps/api/plane/license/urls.py

@@ -6,6 +6,7 @@ from plane.license.api.views import (
     InstanceAdminSignInEndpoint,
     InstanceAdminSignUpEndpoint,
     InstanceConfigurationEndpoint,
+    DisableEmailFeatureEndpoint,
     InstanceEndpoint,
     SignUpScreenVisitedEndpoint,
     InstanceAdminUserMeEndpoint,
@@ -35,6 +36,11 @@ urlpatterns = [
         InstanceConfigurationEndpoint.as_view(),
         name="instance-configuration",
     ),
+    path(
+        "configurations/disable-email-feature/",
+        DisableEmailFeatureEndpoint.as_view(),
+        name="disable-email-configuration",
+    ),
     path(
         "admins/sign-in/",
         InstanceAdminSignInEndpoint.as_view(),