[Policy] Single Org dependency chain (#739)

* Initial commit of Single Org downstream policy checks

* Moved comments

src/app/organizations/manage/policy-edit.component.ts

@@ -175,7 +175,8 @@ export class PolicyEditComponent implements OnInit {
     private preValidate(): boolean {
         switch (this.type) {
             case PolicyType.RequireSso:
-                if (!this.enabled) { // Don't need prevalidation checks if submitting to disable
+                // Don't need prevalidation checks if submitting to disable
+                if (!this.enabled) {
                     return true;
                 }
                 // Have SingleOrg policy enabled?
@@ -186,6 +187,19 @@ export class PolicyEditComponent implements OnInit {
                 }
                 return true;
 
+            case PolicyType.SingleOrg:
+                // Don't need prevalidation checks if submitting to enable
+                if (this.enabled) {
+                    return true;
+                }
+                // If RequireSso Policy is enabled prevent submittal
+                if (this.policiesEnabledMap.has(PolicyType.RequireSso)
+                    && this.policiesEnabledMap.get(PolicyType.RequireSso)) {
+                    this.toasterService.popAsync('error', null, this.i18nService.t('disableRequireSsoError'));
+                    return false;
+                }
+                return true;
+
             default:
                 return true;
         }

src/locales/en/messages.json

@@ -3394,5 +3394,8 @@
   },
   "estimatedTax": {
     "message": "Estimated tax"
+  },
+  "disableRequireSsoError": {
+    "message": "You must manually disable the Single Sign-On Authentication policy before this policy can be disabled."
   }
 }