Privs small refactor

app/assets/javascripts/app/models/privileges.js

@@ -0,0 +1,34 @@
+class SNPrivileges extends SFItem {
+
+  setCredentialsForAction(action, credentials) {
+    this.content.desktopPrivileges[action] = credentials;
+  }
+
+  getCredentialsForAction(action) {
+    return this.content.desktopPrivileges[action] || [];
+  }
+
+  toggleCredentialForAction(action, credential) {
+    if(this.isCredentialRequiredForAction(action, credential)) {
+      this.removeCredentialForAction(action, credential);
+    } else {
+      this.addCredentialForAction(action, credential);
+    }
+  }
+
+  removeCredentialForAction(action, credential) {
+    _.pull(this.content.desktopPrivileges[action], credential);
+  }
+
+  addCredentialForAction(action, credential) {
+    var credentials = this.getCredentialsForAction(action);
+    credentials.push(credential);
+    this.setCredentialsForAction(action, credentials);
+  }
+
+  isCredentialRequiredForAction(action, credential) {
+    var credentialsRequired = this.getCredentialsForAction(action);
+    return credentialsRequired.includes(credential);
+  }
+
+}