feat(workflow_engine): Add status columns to Detector and Workflow's

src/sentry/workflow_engine/models/detector.py

@@ -17,6 +17,7 @@
 from sentry.issues import grouptype
 from sentry.issues.grouptype import GroupType
 from sentry.models.owner_base import OwnerModel
+from sentry.workflow_engine.types import DeletionStatus
 
 from .json_config import JSONConfigBase
 
@@ -30,6 +31,9 @@
 class Detector(DefaultFieldsModel, OwnerModel, JSONConfigBase):
     __relocation_scope__ = RelocationScope.Organization
 
+    class Meta(OwnerModel.Meta):
+        constraints = OwnerModel.Meta.constraints
+
     project = FlexibleForeignKey("sentry.Project", on_delete=models.CASCADE)
     name = models.CharField(max_length=200)
 
@@ -41,6 +45,9 @@ class Detector(DefaultFieldsModel, OwnerModel, JSONConfigBase):
     # If the detector is not enabled, it will not be evaluated. This is how we "snooze" a detector
     enabled = models.BooleanField(db_default=True)
 
+    # The detector's status - used for tracking deletion state
+    status = models.SmallIntegerField(default=DeletionStatus.ACTIVE)
+
     # Optionally set a description of the detector, this will be used in notifications
     description = models.TextField(null=True)
 
@@ -59,9 +66,6 @@ class Detector(DefaultFieldsModel, OwnerModel, JSONConfigBase):
     # The user that created the detector
     created_by_id = HybridCloudForeignKey(settings.AUTH_USER_MODEL, null=True, on_delete="SET_NULL")
 
-    class Meta(OwnerModel.Meta):
-        constraints = OwnerModel.Meta.constraints
-
     error_detector_project_options = {
         "fingerprinting_rules": "sentry:fingerprinting_rules",
         "resolve_age": "sentry:resolve_age",

src/sentry/workflow_engine/models/workflow.py

@@ -11,7 +11,7 @@
 from sentry.db.models.fields.hybrid_cloud_foreign_key import HybridCloudForeignKey
 from sentry.models.owner_base import OwnerModel
 from sentry.workflow_engine.models.data_condition import DataCondition, is_slow_condition
-from sentry.workflow_engine.types import WorkflowEventData
+from sentry.workflow_engine.types import DeletionStatus, WorkflowEventData
 
 from .json_config import JSONConfigBase
 
@@ -30,6 +30,9 @@ class Workflow(DefaultFieldsModel, OwnerModel, JSONConfigBase):
     # If the workflow is not enabled, it will not be evaluated / invoke actions. This is how we "snooze" a workflow
     enabled = models.BooleanField(db_default=True)
 
+    # The workflow's status - used for tracking deletion state
+    status = models.SmallIntegerField(default=DeletionStatus.ACTIVE)
+
     # Required as the 'when' condition for the workflow, this evalutes states emitted from the detectors
     when_condition_group = FlexibleForeignKey(
         "workflow_engine.DataConditionGroup", null=True, blank=True

src/sentry/workflow_engine/types.py

@@ -127,3 +127,9 @@ class DetectorSettings:
     handler: type[DetectorHandler] | None = None
     validator: type[BaseDetectorTypeValidator] | None = None
     config_schema: dict[str, Any] = field(default_factory=dict)
+
+
+class DeletionStatus(IntEnum):
+    ACTIVE = 0
+    PENDING_DELETION = 1
+    DELETION_IN_PROGRESS = 2