Show a red "!" in project's top navigation if any integration is not working

CHANGELOG.md

@@ -1,6 +1,12 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## v1.13.0-dev - Unreleased
+
+### Improvements
+- Show a red "!" in project's top navigation if any integration is not working
+
+
 ## v1.12.0 - 2020-01-02
 
 ### Improvements

hc/accounts/models.py

@@ -282,6 +282,9 @@ class Project(models.Model):
                 break
         return status
 
+    def have_broken_channels(self):
+        return self.channel_set.exclude(last_error="").exists()
+
 
 class Member(models.Model):
     user = models.ForeignKey(User, models.CASCADE, related_name="memberships")

hc/accounts/tests/test_project_model.py

@@ -1,6 +1,6 @@
 from hc.test import BaseTestCase
 from hc.accounts.models import Project
-from hc.api.models import Check
+from hc.api.models import Check, Channel
 
 
 class ProjectModelTestCase(BaseTestCase):
@@ -13,3 +13,11 @@ class ProjectModelTestCase(BaseTestCase):
         Check.objects.create(project=p2)
 
         self.assertEqual(self.project.num_checks_available(), 18)
+
+    def test_it_handles_zero_broken_channels(self):
+        self.assertFalse(self.project.have_broken_channels())
+
+    def test_it_handles_one_broken_channel(self):
+        Channel.objects.create(kind="webhook", last_error="x", project=self.project)
+
+        self.assertTrue(self.project.have_broken_channels())

hc/api/migrations/0066_channel_last_error.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.1 on 2020-01-02 12:25
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0065_auto_20191127_1240'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='channel',
+            name='last_error',
+            field=models.CharField(blank=True, max_length=200),
+        ),
+    ]

hc/api/migrations/0067_last_error_values.py

@@ -0,0 +1,27 @@
+# Generated by Django 3.0.1 on 2020-01-02 14:28
+
+from django.db import migrations
+
+
+def fill_last_errors(apps, schema_editor):
+    Channel = apps.get_model("api", "Channel")
+    Notification = apps.get_model("api", "Notification")
+    for ch in Channel.objects.all():
+        error = ""
+        try:
+            n = Notification.objects.filter(channel=ch).latest()
+            error = n.error
+        except Notification.DoesNotExist:
+            pass
+
+        ch.last_error = error
+        ch.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0066_channel_last_error"),
+    ]
+
+    operations = [migrations.RunPython(fill_last_errors, migrations.RunPython.noop)]

hc/api/models.py

@@ -338,6 +338,7 @@ class Channel(models.Model):
     kind = models.CharField(max_length=20, choices=CHANNEL_KINDS)
     value = models.TextField(blank=True)
     email_verified = models.BooleanField(default=False)
+    last_error = models.CharField(max_length=200, blank=True)
     checks = models.ManyToManyField(Check)
 
     def __str__(self):
@@ -441,6 +442,9 @@ class Channel(models.Model):
         n.error = error
         n.save()
 
+        self.last_error = error
+        self.save()
+
         return error
 
     def icon_path(self):

hc/api/tests/test_notify.py

@@ -60,6 +60,7 @@ class NotifyTestCase(BaseTestCase):
 
         n = Notification.objects.get()
         self.assertEqual(n.error, "Connection timed out")
+        self.assertEqual(self.channel.last_error, "Connection timed out")
 
     @patch("hc.api.transports.requests.request", side_effect=ConnectionError)
     def test_webhooks_handle_connection_errors(self, mock_get):

hc/front/tests/test_channels.py

@@ -125,3 +125,10 @@ class ChannelsTestCase(BaseTestCase):
         self.client.login(username="alice@example.org", password="password")
         r = self.client.get("/integrations/")
         self.assertRedirects(r, "/")
+
+    def test_it_shows_broken_channel_indicator(self):
+        Channel.objects.create(kind="sms", project=self.project, last_error="x")
+
+        self.client.login(username="alice@example.org", password="password")
+        r = self.client.get("/integrations/")
+        self.assertContains(r, "broken-channels", status_code=200)

static/css/base.css

@@ -88,6 +88,9 @@ body {
     border-color: #22bc66;
 }
 
+#broken-channels > a {
+    color: #a94442;
+}
 
 .page-checks .container-fluid, .page-details .container-fluid {
     /* Fluid below 1320px, but max width capped to 1320px ... */

templates/base.html

@@ -97,9 +97,14 @@
                         <a href="{% url 'hc-checks' project.code %}">Checks</a>
                     </li>
 
-                    <li {% if page == 'channels' %} class="active" {% endif %}>
-                        <a href="{% url 'hc-channels' %}">Integrations</a>
+                    {% with b=project.have_broken_channels %}
+                    <li {% if b %}id="broken-channels"{% endif %} {% if page == 'channels' %}class="active"{% endif %}>
+                        <a href="{% url 'hc-channels' %}">
+                            Integrations
+                            {% if b %}<span class="icon-grace"></span>{% endif %}
+                        </a>
                     </li>
+                    {% endwith %}
 
                     <li {% if page == 'badges' %} class="active" {% endif %}>
                         <a href="{% url 'hc-badges' project.code %}">Badges</a>