Automation Rules: keep history of recent matches (#7658)

Ref #7653
Close #6393

Author: stsewd

readthedocs/builds/managers.py

@@ -225,3 +225,19 @@ def add_rule(
             action_arg=action_arg,
         )
         return rule
+
+
+class AutomationRuleMatchManager(models.Manager):
+
+    def register_match(self, rule, version, max_registers=15):
+        created = self.create(
+            rule=rule,
+            match_arg=rule.get_match_arg(),
+            action=rule.action,
+            version_name=version.verbose_name,
+            version_type=version.type,
+        )
+
+        for match in self.filter(rule__project=rule.project)[max_registers:]:
+            match.delete()
+        return created

readthedocs/builds/migrations/0030_add_automation_rule_matches.py

@@ -0,0 +1,31 @@
+# Generated by Django 2.2.16 on 2020-11-10 22:42
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django_extensions.db.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('builds', '0029_add_time_fields'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='AutomationRuleMatch',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', django_extensions.db.fields.CreationDateTimeField(auto_now_add=True, verbose_name='created')),
+                ('modified', django_extensions.db.fields.ModificationDateTimeField(auto_now=True, verbose_name='modified')),
+                ('version_name', models.CharField(max_length=255)),
+                ('match_arg', models.CharField(max_length=255)),
+                ('action', models.CharField(choices=[('activate-version', 'Activate version'), ('hide-version', 'Hide version'), ('make-version-public', 'Make version public'), ('make-version-private', 'Make version private'), ('set-default-version', 'Set version as default'), ('delete-version', 'Delete version (on branch/tag deletion)')], max_length=255)),
+                ('version_type', models.CharField(choices=[('branch', 'Branch'), ('tag', 'Tag'), ('external', 'External'), ('unknown', 'Unknown')], max_length=32)),
+                ('rule', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='matches', to='builds.VersionAutomationRule', verbose_name='Matched rule')),
+            ],
+            options={
+                'ordering': ('-modified', '-created'),
+            },
+        ),
+    ]

readthedocs/builds/models.py

@@ -45,6 +45,7 @@
     VERSION_TYPES,
 )
 from readthedocs.builds.managers import (
+    AutomationRuleMatchManager,
     BuildManager,
     ExternalBuildManager,
     ExternalVersionManager,
@@ -1045,18 +1046,24 @@ def get_match_arg(self):
         )
         return match_arg or self.match_arg
 
-    def run(self, version, *args, **kwargs):
+    def run(self, version, **kwargs):
         """
         Run an action if `version` matches the rule.
 
         :type version: readthedocs.builds.models.Version
         :returns: True if the action was performed
         """
-        if version.type == self.version_type:
-            match, result = self.match(version, self.get_match_arg())
-            if match:
-                self.apply_action(version, result)
-                return True
+        if version.type != self.version_type:
+            return False
+
+        match, result = self.match(version, self.get_match_arg())
+        if match:
+            self.apply_action(version, result)
+            AutomationRuleMatch.objects.register_match(
+                rule=self,
+                version=version,
+            )
+            return True
         return False
 
     def match(self, version, match_arg):
@@ -1239,3 +1246,29 @@ def get_edit_url(self):
             'projects_automation_rule_regex_edit',
             args=[self.project.slug, self.pk],
         )
+
+
+class AutomationRuleMatch(TimeStampedModel):
+    rule = models.ForeignKey(
+        VersionAutomationRule,
+        verbose_name=_('Matched rule'),
+        related_name='matches',
+        on_delete=models.CASCADE,
+    )
+
+    # Metadata from when the match happened.
+    version_name = models.CharField(max_length=255)
+    match_arg = models.CharField(max_length=255)
+    action = models.CharField(
+        max_length=255,
+        choices=VersionAutomationRule.ACTIONS,
+    )
+    version_type = models.CharField(
+        max_length=32,
+        choices=VERSION_TYPES,
+    )
+
+    objects = AutomationRuleMatchManager()
+
+    class Meta:
+        ordering = ('-modified', '-created')

readthedocs/projects/views/private.py

@@ -35,6 +35,7 @@
 from readthedocs.analytics.models import PageView
 from readthedocs.builds.forms import RegexAutomationRuleForm, VersionForm
 from readthedocs.builds.models import (
+    AutomationRuleMatch,
     RegexAutomationRule,
     Version,
     VersionAutomationRule,
@@ -935,7 +936,14 @@ def get_success_url(self):
 
 
 class AutomationRuleList(AutomationRuleMixin, ListView):
-    pass
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['matches'] = (
+            AutomationRuleMatch.objects
+            .filter(rule__project=self.get_project())
+        )
+        return context
 
 
 class AutomationRuleMove(AutomationRuleMixin, GenericModelView):

readthedocs/rtd_tests/tests/test_automation_rules.py

@@ -94,6 +94,7 @@ def test_match(
             version_type=version_type,
         )
         assert rule.run(version) is result
+        assert rule.matches.all().count() == (1 if result else 0)
 
     @pytest.mark.parametrize(
         'version_name,result',
@@ -318,6 +319,53 @@ def test_version_make_private_action(self, trigger_build):
         assert version.privacy_level == PRIVATE
         trigger_build.assert_not_called()
 
+    def test_matches_history(self, trigger_build):
+        version = get(
+            Version,
+            verbose_name='test',
+            project=self.project,
+            active=False,
+            type=TAG,
+            built=False,
+        )
+
+        rule = get(
+            RegexAutomationRule,
+            project=self.project,
+            priority=0,
+            match_arg='^test',
+            action=VersionAutomationRule.ACTIVATE_VERSION_ACTION,
+            version_type=TAG,
+        )
+
+        assert rule.run(version) is True
+        assert rule.matches.all().count() == 1
+
+        match = rule.matches.first()
+        assert match.version_name == 'test'
+        assert match.version_type == TAG
+        assert match.action == VersionAutomationRule.ACTIVATE_VERSION_ACTION
+        assert match.match_arg == '^test'
+
+        for i in range(1, 31):
+            version.verbose_name = f'test {i}'
+            version.save()
+            assert rule.run(version) is True
+
+        assert rule.matches.all().count() == 15
+
+        match = rule.matches.first()
+        assert match.version_name == 'test 30'
+        assert match.version_type == TAG
+        assert match.action == VersionAutomationRule.ACTIVATE_VERSION_ACTION
+        assert match.match_arg == '^test'
+
+        match = rule.matches.last()
+        assert match.version_name == 'test 16'
+        assert match.version_type == TAG
+        assert match.action == VersionAutomationRule.ACTIVATE_VERSION_ACTION
+        assert match.match_arg == '^test'
+
 
 @pytest.mark.django_db
 class TestAutomationRuleManager:

readthedocs/templates/builds/versionautomationrule_list.html

@@ -80,4 +80,29 @@
       </ul>
     </div>
   </div>
+
+  <p>
+    <h3>{% trans "Recent Activity" %}</h3>
+  </p>
+  <div class="module-list-wrapper">
+    <ul>
+      {% for match in matches %}
+        <li class="module-item">
+          {% blocktrans trimmed with version=match.version_name pattern=match.match_arg type=match.get_version_type_display action=match.get_action_display date=match.created|timesince url=match.rule.get_edit_url %}
+            {{ type }} "{{ version }}"
+            matched the pattern <span>"{{ pattern }}"</span>,
+            and the action <a href="{{ url }}">{{ action }}</a>
+            was performed {{ date }} ago.
+          {% endblocktrans %}
+        </li>
+      {% empty %}
+        <li class="module-item">
+          <span class="quiet">
+            {% trans 'There is no recent activity' %}
+          </span>
+        </li>
+      {% endfor %}
+    </ul>
+  </div>
+
 {% endblock %}