add access list clients to back-end

backend/models/access_list_client.js

@@ -0,0 +1,54 @@
+// Objection Docs:
+// http://vincit.github.io/objection.js/
+
+const db    = require('../db');
+const Model = require('objection').Model;
+
+Model.knex(db);
+
+class AccessListClient extends Model {
+	$beforeInsert () {
+		this.created_on  = Model.raw('NOW()');
+		this.modified_on = Model.raw('NOW()');
+
+		// Default for meta
+		if (typeof this.meta === 'undefined') {
+			this.meta = {};
+		}
+	}
+
+	$beforeUpdate () {
+		this.modified_on = Model.raw('NOW()');
+	}
+
+	static get name () {
+		return 'AccessListClient';
+	}
+
+	static get tableName () {
+		return 'access_list_client';
+	}
+
+	static get jsonAttributes () {
+		return ['meta'];
+	}
+
+	static get relationMappings () {
+		return {
+			access_list: {
+				relation:   Model.HasOneRelation,
+				modelClass: require('./access_list'),
+				join:       {
+					from: 'access_list_client.access_list_id',
+					to:   'access_list.id'
+				},
+				modify: function (qb) {
+					qb.where('access_list.is_deleted', 0);
+					qb.omit(['created_on', 'modified_on', 'is_deleted', 'access_list_id']);
+				}
+			}
+		};
+	}
+}
+
+module.exports = AccessListClient;