add server to monorepo.

packages/server/src/system/models/Invite.ts

@@ -0,0 +1,30 @@
+import SystemModel from '@/system/models/SystemModel';
+import moment from 'moment';
+
+export default class UserInvite extends SystemModel {
+  /**
+   * Table name.
+   */
+  static get tableName() {
+    return 'user_invites';
+  }
+
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return ['createdAt'];
+  }
+
+  /**
+   * Model modifiers.
+   */
+  static get modifiers() {
+    return {
+      notExpired(query) {
+        const comp = moment().subtract(24, 'hours').toMySqlDateTime();
+        query.where('created_at', '>=', comp);
+      }
+    }
+  }
+}