create util for migrated alert condition

Author: nikkikapadia

static/app/views/alerts/rules/metric/details/body.tsx

@@ -29,7 +29,6 @@ import type {MetricRule} from 'sentry/views/alerts/rules/metric/types';
 import {
   AlertRuleComparisonType,
   Dataset,
-  ExtrapolationMode,
   TimePeriod,
 } from 'sentry/views/alerts/rules/metric/types';
 import {extractEventTypeFilterFromRule} from 'sentry/views/alerts/rules/metric/utils/getEventTypeFilter';
@@ -48,7 +47,7 @@ import MetricChart from './metricChart';
 import RelatedIssues from './relatedIssues';
 import RelatedTransactions from './relatedTransactions';
 import {MetricDetailsSidebar} from './sidebar';
-import {getFilter, getPeriodInterval} from './utils';
+import {getFilter, getIsMigratedExtrapolationMode, getPeriodInterval} from './utils';
 
 interface MetricDetailsBodyProps {
   timePeriod: TimePeriodType;
@@ -144,11 +143,9 @@ export default function MetricDetailsBody({
   const deprecateTransactionsAlertsWarning =
     ruleType && DEPRECATED_TRANSACTION_ALERTS.includes(ruleType);
 
-  const showExtrapolationModeWarning = !!(
-    rule.dataset === Dataset.EVENTS_ANALYTICS_PLATFORM &&
-    rule.extrapolationMode &&
-    (rule.extrapolationMode === ExtrapolationMode.SERVER_WEIGHTED ||
-      rule.extrapolationMode === ExtrapolationMode.NONE)
+  const showExtrapolationModeWarning = getIsMigratedExtrapolationMode(
+    rule.extrapolationMode,
+    rule.dataset
   );
 
   return (

static/app/views/alerts/rules/metric/details/utils.tsx

@@ -8,8 +8,12 @@ import {
   TIME_WINDOWS,
   type TimePeriodType,
 } from 'sentry/views/alerts/rules/metric/details/constants';
-import type {MetricRule} from 'sentry/views/alerts/rules/metric/types';
-import {Dataset, TimePeriod} from 'sentry/views/alerts/rules/metric/types';
+import {
+  Dataset,
+  ExtrapolationMode,
+  TimePeriod,
+  type MetricRule,
+} from 'sentry/views/alerts/rules/metric/types';
 import {extractEventTypeFilterFromRule} from 'sentry/views/alerts/rules/metric/utils/getEventTypeFilter';
 import {isCrashFreeAlert} from 'sentry/views/alerts/rules/metric/utils/isCrashFreeAlert';
 import type {Incident} from 'sentry/views/alerts/types';
@@ -123,3 +127,15 @@ export function getViableDateRange({
     end: viableEndDate,
   };
 }
+
+export function getIsMigratedExtrapolationMode(
+  extrapolationMode: ExtrapolationMode | undefined,
+  dataset: Dataset
+) {
+  return !!(
+    dataset === Dataset.EVENTS_ANALYTICS_PLATFORM &&
+    extrapolationMode &&
+    (extrapolationMode === ExtrapolationMode.SERVER_WEIGHTED ||
+      extrapolationMode === ExtrapolationMode.NONE)
+  );
+}

static/app/views/alerts/rules/metric/ruleForm.tsx

@@ -50,6 +50,7 @@ import {
 } from 'sentry/utils/onDemandMetrics/features';
 import withProjects from 'sentry/utils/withProjects';
 import {makeAlertsPathname} from 'sentry/views/alerts/pathnames';
+import {getIsMigratedExtrapolationMode} from 'sentry/views/alerts/rules/metric/details/utils';
 import {IncompatibleAlertQuery} from 'sentry/views/alerts/rules/metric/incompatibleAlertQuery';
 import {OnDemandThresholdChecker} from 'sentry/views/alerts/rules/metric/onDemandThresholdChecker';
 import RuleNameOwnerForm from 'sentry/views/alerts/rules/metric/ruleNameOwnerForm';
@@ -1377,11 +1378,9 @@ class RuleFormContainer extends DeprecatedAsyncComponent<Props, State> {
     const showErrorMigrationWarning =
       !!ruleId && isMigration && ruleNeedsErrorMigration(rule);
 
-    const showExtrapolationModeChangeWarning = !!(
-      dataset === Dataset.EVENTS_ANALYTICS_PLATFORM &&
-      extrapolationMode &&
-      (extrapolationMode === ExtrapolationMode.SERVER_WEIGHTED ||
-        extrapolationMode === ExtrapolationMode.NONE)
+    const showExtrapolationModeChangeWarning = getIsMigratedExtrapolationMode(
+      extrapolationMode,
+      dataset
     );
 
     // Rendering the main form body