add server to monorepo.

packages/server/src/models/ViewRole.ts

@@ -0,0 +1,46 @@
+import { Model } from 'objection';
+import TenantModel from 'models/TenantModel';
+
+export default class ViewRole extends TenantModel {
+
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return ['comparators'];
+  }
+
+  static get comparators() {
+    return [
+      'equals', 'not_equal', 'contains', 'not_contain',
+    ];
+  }
+
+  /**
+   * Table name.
+   */
+  static get tableName() {
+    return 'view_roles';
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const View = require('models/View');
+
+    return {
+      /**
+       * View role model may belongs to view model.
+       */
+      view: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: View.default,
+        join: {
+          from: 'view_roles.viewId',
+          to: 'views.id',
+        },
+      },
+    };
+  }
+}