Merge Check.get_status() and Check.in_grace_period() into one.

This avoids duplicate calls to Check.get_grace_start() in several places.

hc/api/management/commands/sendalerts.py

@@ -66,6 +66,11 @@ class Command(BaseCommand):
 
         q = Check.objects.filter(id=check.id, status=check.status)
         current_status = check.get_status()
+
+        # During the grace period sendalerts considers the check as "up":
+        if current_status == "grace":
+            current_status = "up"
+
         if check.status == current_status:
             # Stored status is already up-to-date. Update alert_after
             # as needed but don't send notifications

hc/api/models.py

@@ -128,7 +128,15 @@ class Check(models.Model):
         if now is None:
             now = timezone.now()
 
-        return "up" if self.get_grace_start() + self.grace > now else "down"
+        grace_start = self.get_grace_start()
+        grace_end = grace_start + self.grace
+        if now >= grace_end:
+            return "down"
+
+        if now >= grace_start:
+            return "grace"
+
+        return "up"
 
     def get_alert_after(self):
         """ Return the datetime when check potentially goes down. """
@@ -140,19 +148,6 @@ class Check(models.Model):
 
         return self.get_grace_start() + self.grace
 
-    def in_grace_period(self):
-        """ Return True if check is currently in grace period. """
-
-        if self.status in ("new", "paused"):
-            return False
-
-        if self.last_ping_was_fail:
-            return False
-
-        grace_start = self.get_grace_start()
-        grace_end = grace_start + self.grace
-        return grace_start < timezone.now() < grace_end
-
     def assign_all_channels(self):
         if self.user:
             channels = Channel.objects.filter(user=self.user)

hc/api/tests/test_check_model.py

@@ -16,37 +16,26 @@ class CheckModelTestCase(TestCase):
         check.tags = " "
         self.assertEqual(check.tags_list(), [])
 
-    def test_in_grace_period_handles_new_check(self):
+    def test_get_status_handles_new_check(self):
         check = Check()
-        self.assertFalse(check.in_grace_period())
-
-    def test_in_grace_period_handles_fail_ping(self):
-        check = Check()
-        check.status = "up"
-        check.last_ping = timezone.now() - timedelta(days=1, minutes=30)
-        check.last_ping_was_fail = True
-
-        # If last ping was signalling a failure, we're not in grace period,
-        # we're down
-        self.assertFalse(check.in_grace_period())
+        self.assertEqual(check.get_status(), "new")
 
     def test_status_works_with_grace_period(self):
         check = Check()
         check.status = "up"
         check.last_ping = timezone.now() - timedelta(days=1, minutes=30)
 
-        self.assertTrue(check.in_grace_period())
-        self.assertEqual(check.get_status(), "up")
+        self.assertEqual(check.get_status(), "grace")
 
-    def test_paused_check_is_not_in_grace_period(self):
+    def test_get_stauts_handles_paused_check(self):
         check = Check()
 
         check.status = "up"
         check.last_ping = timezone.now() - timedelta(days=1, minutes=30)
-        self.assertTrue(check.in_grace_period())
+        self.assertEqual(check.get_status(), "grace")
 
         check.status = "paused"
-        self.assertFalse(check.in_grace_period())
+        self.assertEqual(check.get_status(), "paused")
 
     def test_status_works_with_cron_syntax(self):
         dt = timezone.make_aware(datetime(2000, 1, 1), timezone=timezone.utc)
@@ -58,12 +47,16 @@ class CheckModelTestCase(TestCase):
         check.status = "up"
         check.last_ping = dt
 
-        # 00:30am
-        now = dt + timedelta(days=1, minutes=30)
+        # 23:59pm
+        now = dt + timedelta(hours=23, minutes=59)
         self.assertEqual(check.get_status(now), "up")
 
+        # 00:00am
+        now = dt + timedelta(days=1)
+        self.assertEqual(check.get_status(now), "grace")
+
         # 1:30am
-        now = dt + timedelta(days=1, minutes=90)
+        now = dt + timedelta(days=1, minutes=60)
         self.assertEqual(check.get_status(now), "down")
 
     def test_status_works_with_timezone(self):
@@ -78,11 +71,15 @@ class CheckModelTestCase(TestCase):
         check.tz = "Australia/Brisbane"  # UTC+10
 
         # 10:30am
-        now = dt + timedelta(days=1, minutes=30)
+        now = dt + timedelta(hours=23, minutes=59)
         self.assertEqual(check.get_status(now), "up")
 
+        # 10:30am
+        now = dt + timedelta(days=1)
+        self.assertEqual(check.get_status(now), "grace")
+
         # 11:30am
-        now = dt + timedelta(days=1, minutes=90)
+        now = dt + timedelta(days=1, minutes=60)
         self.assertEqual(check.get_status(now), "down")
 
     def test_next_ping_with_cron_syntax(self):

hc/api/views.py

@@ -177,10 +177,11 @@ def badge(request, username, signature, tag, format="svg"):
         if tag != "*" and tag not in check.tags_list():
             continue
 
-        if status == "up" and check.in_grace_period():
+        check_status = check.get_status()
+        if status == "up" and check_status == "grace":
             status = "late"
 
-        if check.get_status() == "down":
+        if check_status == "down":
             status = "down"
             break
 

hc/front/views.py

@@ -37,11 +37,13 @@ VALID_SORT_VALUES = ("name", "-name", "last_ping", "-last_ping", "created")
 def _tags_statuses(checks):
     tags, down, grace, num_down = {}, {}, {}, 0
     for check in checks:
-        if check.get_status() == "down":
+        status = check.get_status()
+
+        if status == "down":
             num_down += 1
             for tag in check.tags_list():
                 down[tag] = "down"
-        elif check.in_grace_period():
+        elif status == "grace":
             for tag in check.tags_list():
                 grace[tag] = "grace"
         else:
@@ -92,12 +94,10 @@ def status(request):
     details = []
     tmpl = get_template("front/last_ping_cell.html")
     for check in checks:
-        status = "grace" if check.in_grace_period() else check.get_status()
-
         ctx = {"check": check}
         details.append({
             "code": str(check.code),
-            "status": status,
+            "status": check.get_status(),
             "last_ping": tmpl.render(ctx)
         })
 

templates/emails/summary-html.html

@@ -17,7 +17,7 @@
                     <td style="background: #AAA; font-family: Helvetica, Arial, sans-serif; font-weight: bold; font-size: 10px; line-height: 10px; color: white; padding: 6px; margin: 0; border-radius: 3px;">NEW</td>
                 {% elif check.get_status == "paused" %}
                     <td style="background: #AAA; font-family: Helvetica, Arial, sans-serif; font-weight: bold; font-size: 10px; line-height: 10px; color: white; padding: 6px; border-radius: 3px;">PAUSED</td>
-                {% elif check.in_grace_period %}
+                {% elif check.get_status == "grace" %}
                     <td style="background: #f0ad4e; font-family: Helvetica, Arial, sans-serif; font-weight: bold; font-size: 10px; line-height: 10px; color: white; padding: 6px; border-radius: 3px;">LATE</td>
                 {% elif check.get_status == "up" %}
                     <td style="background: #5cb85c; font-family: Helvetica, Arial, sans-serif; font-weight: bold; font-size: 10px; line-height: 10px; color: white; padding: 6px; border-radius: 3px;">UP</td>

templates/front/my_checks_desktop.html

@@ -48,11 +48,7 @@
         data-email="{{ check.email }}">
 
         <td class="indicator-cell">
-            {% if check.in_grace_period %}
-                <span id="si-{{ check.code }}" class="status icon-grace" data-toggle="tooltip"></span>
-            {% else %}
-                <span id="si-{{ check.code }}" class="status icon-{{ check.get_status }}" data-toggle="tooltip"></span>
-            {% endif %}
+            <span id="si-{{ check.code }}" class="status icon-{{ check.get_status }}" data-toggle="tooltip"></span>
         </td>
         <td class="name-cell">
             <div data-name="{{ check.name }}"