feat: restructure notification services

frontend/src/utils/featureSettings.ts

@@ -3,6 +3,10 @@ export interface ChatPiiRedactionFeatureSettings {
   inject_model_instruction: boolean
 }
 
+export interface NotificationPushServiceFeatureSettings {
+  enabled: boolean
+}
+
 export type FeatureSettingsMap = Record<string, unknown>
 
 const DEFAULT_CHAT_PII_REDACTION_FEATURE_SETTINGS: ChatPiiRedactionFeatureSettings = {
@@ -10,6 +14,10 @@ const DEFAULT_CHAT_PII_REDACTION_FEATURE_SETTINGS: ChatPiiRedactionFeatureSettin
   inject_model_instruction: true,
 }
 
+const DEFAULT_NOTIFICATION_PUSH_SERVICE_FEATURE_SETTINGS: NotificationPushServiceFeatureSettings = {
+  enabled: false,
+}
+
 function isRecord(value: unknown): value is Record<string, unknown> {
   return !!value && typeof value === 'object' && !Array.isArray(value)
 }
@@ -49,3 +57,30 @@ export function mergeChatPiiRedactionFeatureSettings(
   }
   return Object.keys(settings).length > 0 ? settings : null
 }
+
+export function readNotificationPushServiceFeatureSettings(
+  featureSettings: unknown,
+): NotificationPushServiceFeatureSettings {
+  const feature = isRecord(featureSettings)
+    ? featureSettings.notification_push_service
+    : null
+  if (!isRecord(feature)) {
+    return { ...DEFAULT_NOTIFICATION_PUSH_SERVICE_FEATURE_SETTINGS }
+  }
+  return {
+    enabled: feature.enabled === true,
+  }
+}
+
+export function mergeNotificationPushServiceFeatureSettings(
+  featureSettings: unknown,
+  notificationPushService: NotificationPushServiceFeatureSettings,
+): FeatureSettingsMap | null {
+  const settings: FeatureSettingsMap = isRecord(featureSettings)
+    ? { ...featureSettings }
+    : {}
+  settings.notification_push_service = {
+    enabled: notificationPushService.enabled,
+  }
+  return Object.keys(settings).length > 0 ? settings : null
+}