feat: add trigger loader guard

src/ahriman/core/triggers/trigger.py

@@ -36,6 +36,7 @@ class Trigger(LazyLogging):
         CONFIGURATION_SCHEMA(ConfigurationSchema): (class attribute) configuration schema template
         CONFIGURATION_SCHEMA_FALLBACK(str | None): (class attribute) optional fallback option for defining
             configuration schema type used
+        REQUIRES_REPOSITORY(bool): (class attribute) either trigger requires loaded repository or not
         configuration(Configuration): configuration instance
         repository_id(RepositoryId): repository unique identifier
 
@@ -59,6 +60,7 @@ class Trigger(LazyLogging):
 
     CONFIGURATION_SCHEMA: ClassVar[ConfigurationSchema] = {}
     CONFIGURATION_SCHEMA_FALLBACK: ClassVar[str | None] = None
+    REQUIRES_REPOSITORY: ClassVar[bool] = True
 
     def __init__(self, repository_id: RepositoryId, configuration: Configuration) -> None:
         """
@@ -79,6 +81,16 @@ class Trigger(LazyLogging):
         """
         return self.repository_id.architecture
 
+    @property
+    def is_allowed_to_run(self) -> bool:
+        """
+        whether trigger allowed to run or not
+
+        Returns:
+            bool: ``True`` in case if trigger allowed to run and ``False`` otherwise
+        """
+        return not (self.REQUIRES_REPOSITORY and self.repository_id.is_empty)
+
     @classmethod
     def configuration_schema(cls, configuration: Configuration | None) -> ConfigurationSchema:
         """

src/ahriman/core/triggers/trigger_loader.py

@@ -77,8 +77,9 @@ class TriggerLoader(LazyLogging):
         """
         instance = cls()
         instance.triggers = [
-            instance.load_trigger(trigger, repository_id, configuration)
-            for trigger in instance.selected_triggers(configuration)
+            trigger
+            for trigger_name in instance.selected_triggers(configuration)
+            if (trigger := instance.load_trigger(trigger_name, repository_id, configuration)).is_allowed_to_run
         ]
 
         return instance

tests/ahriman/core/triggers/test_trigger.py

@@ -3,6 +3,7 @@ from unittest.mock import MagicMock
 from ahriman.core.configuration import Configuration
 from ahriman.core.report import ReportTrigger
 from ahriman.core.triggers import Trigger
+from ahriman.models.repository_id import RepositoryId
 from ahriman.models.result import Result
 
 
@@ -13,6 +14,19 @@ def test_architecture(trigger: Trigger) -> None:
     assert trigger.architecture == trigger.repository_id.architecture
 
 
+def test_is_allowed_to_run(trigger: Trigger) -> None:
+    """
+    must return flag correctly
+    """
+    assert trigger.is_allowed_to_run
+
+    trigger.repository_id = RepositoryId("", "")
+    assert not trigger.is_allowed_to_run
+
+    trigger.REQUIRES_REPOSITORY = False
+    assert trigger.is_allowed_to_run
+
+
 def test_configuration_schema(configuration: Configuration) -> None:
     """
     must return used configuration schema