Manually add slack channels and option to disable auto update all channels

back/admin/settings/templates/settings_integrations.html

@@ -16,9 +16,14 @@
         <td>{% trans "Slack bot" %}</td>
         <td style="text-align: right">
           {% if slack_bot is not None %}
+            <a href="{% url "settings:slack-account-add-channel" %}" class="btn btn-primary">
+              {% trans "Manually add Slack channel" %}
+            </a>
+            {% if not disable_update_channels_list %}
             <a href="{% url "settings:slack-account-update-channels" %}" class="btn btn-primary">
               {% trans "Update Slack channels list" %}
             </a>
+            {% endif %}
             <a href="https://slack.com/oauth/v2/authorize?scope=im:history,users:read,chat:write,users:read.email,im:write,im:read,channels:read,groups:read&client_id={{ slack_bot.client_id }}&redirect_uri={{ base_url }}{% url 'integrations:slack' %}" class="btn btn-primary">
               Add to your Slack team
             </a>

back/admin/settings/templates/slack_channel_create.html

@@ -0,0 +1,39 @@
+{% extends 'settings_base.html' %}
+{% load i18n %}
+{% load crispy_forms_tags %}
+
+{% block actions %}
+  {% if object %}
+  <a href="{% url 'integrations:builder-detail' object.id %}" class="btn btn-primary">
+      {% translate "Live edit and test" %}
+  </a>
+  {% endif %}
+{% endblock %}
+{% block settings_content %}
+<div class="row" style="min-height: 191px;">
+  <div class="col-5">
+    <div class="card-body">
+      <h3>{% translate "Existing Slack channels" %}</h3>
+      {% if channels|length == 0 %}
+        <p>{% translate "No channels yet" %}</p>
+      {% endif %}
+      <ul>
+        {% for item in channels %}
+        <li>
+          {{ item.name }}
+        </li>
+        {% endfor %}
+      </ul>
+    </div>
+  </div>
+  <div class="col-7">
+    <div class="card-body">
+      <form method="post">
+        {% csrf_token %}
+        {{ form|crispy }}
+        <button type="submit" class="btn btn-primary">{% translate "Add" %}</button>
+      </form>
+    </div>
+  </div>
+</div>
+{% endblock %}

back/admin/settings/tests.py

@@ -4,6 +4,7 @@
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.core.cache import cache
+from django.test import override_settings
 from django.urls import reverse
 from django_q.models import Schedule
 
@@ -572,9 +573,58 @@ def test_slack_channels_update_view(client, admin_factory):
     client.force_login(admin_user1)
     Integration.objects.create(integration=Integration.Type.SLACK_BOT)
 
+    # button is visible
+    url = reverse("settings:integrations")
+    response = client.get(url)
+
+    assert "Update Slack channels list" in response.content.decode()
+
     url = reverse("settings:slack-account-update-channels")
     response = client.get(url)
 
     assert "Newly added channels have been added." not in response.content.decode()
     assert SlackChannel.objects.all().count() == 3
     assert SlackChannel.objects.filter(name="general", is_private=False).exists()
+
+
+@pytest.mark.django_db
+@override_settings(SLACK_DISABLE_AUTO_UPDATE_CHANNELS=True)
+def test_disable_slack_channels_update_view(client, admin_factory):
+    admin_user1 = admin_factory()
+    client.force_login(admin_user1)
+    Integration.objects.create(integration=Integration.Type.SLACK_BOT)
+
+    # button is not visible
+    url = reverse("settings:integrations")
+    response = client.get(url)
+
+    assert "Update Slack channels list" not in response.content.decode()
+
+    url = reverse("settings:slack-account-update-channels")
+    response = client.get(url)
+
+    assert response.status_code == 404
+
+
+@pytest.mark.django_db
+def test_manually_add_slack_channels(client, admin_factory):
+    admin_user1 = admin_factory()
+    client.force_login(admin_user1)
+    Integration.objects.create(integration=Integration.Type.SLACK_BOT)
+
+    SlackChannel.objects.create(name="test_channel")
+    url = reverse("settings:slack-account-add-channel")
+    response = client.get(url)
+
+    # channel shows up
+    assert "test_channel" in response.content.decode()
+
+    # add channel
+    url = reverse("settings:slack-account-add-channel")
+    response = client.post(
+        url, data={"name": "test2_channel", "is_private": True}, follow=True
+    )
+
+    assert "test2_channel" in response.content.decode()
+    # general is created by default
+    assert SlackChannel.objects.all().count() == 3

back/admin/settings/urls.py

@@ -28,6 +28,11 @@
         views.SlackChannelsUpdateView.as_view(),
         name="slack-account-update-channels",
     ),
+    path(
+        "integrations/add_channel/",
+        views.SlackChannelsCreateView.as_view(),
+        name="slack-account-add-channel",
+    ),
     path(
         "integrations/slack_bot/", views.SlackBotSetupView.as_view(), name="slack-bot"
     ),

back/admin/settings/views.py

@@ -3,7 +3,7 @@
 from django.contrib import messages
 from django.contrib.auth import get_user_model
 from django.contrib.messages.views import SuccessMessageMixin
-from django.http import HttpResponse, HttpResponseRedirect
+from django.http import Http404, HttpResponse, HttpResponseRedirect
 from django.shortcuts import get_object_or_404, render
 from django.urls import reverse_lazy
 from django.utils import translation
@@ -337,6 +337,9 @@ def get_context_data(self, **kwargs):
             integration=Integration.Type.CUSTOM, is_active=False
         )
         context["add_action"] = reverse_lazy("integrations:create")
+        context["disable_update_channels_list"] = (
+            settings.SLACK_DISABLE_AUTO_UPDATE_CHANNELS
+        )
         return context
 
 
@@ -375,6 +378,8 @@ class SlackChannelsUpdateView(LoginRequiredMixin, AdminPermMixin, RedirectView):
     pattern_name = "settings:integrations"
 
     def get(self, request, *args, **kwargs):
+        if settings.SLACK_DISABLE_AUTO_UPDATE_CHANNELS:
+            raise Http404
         SlackChannel.objects.update_channels()
         messages.success(
             request,
@@ -384,3 +389,19 @@ def get(self, request, *args, **kwargs):
             ),
         )
         return super().get(request, *args, **kwargs)
+
+
+class SlackChannelsCreateView(LoginRequiredMixin, AdminPermMixin, CreateView):
+    template_name = "slack_channel_create.html"
+    model = SlackChannel
+    fields = ["name", "is_private"]
+    success_message = _("Slack channel has been added")
+    success_url = reverse_lazy("settings:slack-account-add-channel")
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context["title"] = _("Slack channels")
+        context["subtitle"] = _("settings")
+        context["button_text"] = _("Enable")
+        context["channels"] = SlackChannel.objects.all()
+        return context

back/back/settings.py

@@ -110,6 +110,9 @@
 SLACK_USE_SOCKET = env.bool("SLACK_USE_SOCKET", default=False)
 SLACK_APP_TOKEN = env("SLACK_APP_TOKEN", default="")
 SLACK_BOT_TOKEN = env("SLACK_BOT_TOKEN", default="")
+SLACK_DISABLE_AUTO_UPDATE_CHANNELS = env.bool(
+    "SLACK_DISABLE_AUTO_UPDATE_CHANNELS", default=False
+)
 
 MIDDLEWARE = [
     "django.middleware.security.SecurityMiddleware",

docs/config/slackbot.md

@@ -48,3 +48,13 @@ settings:
 8. Go back to your Slack bot and go to "App Home". Then scroll down till you see: "Show Tabs". Enable the "message tab" and check the "Allow users to send Slash commands and messages from the messages tab".
 
 That's it!
+
+
+## Slack channels
+You can import all channels in one go if you click on the "Update Slack channels list" button in the settings.
+In some cases, you might want to avoid this at all costs (if you have thousands of channels). You can do that by setting:
+
+`SLACK_DISABLE_AUTO_UPDATE_CHANNELS` 
+
+Default: `False`. Setting this to `True` will remove the button and disable this option
+