feat: Added tag model and migration

lib/database/migrations/20200506003500-create-tag.js

@@ -0,0 +1,37 @@
+/**
+ * @license
+ * Copyright CERN and copyright holders of ALICE O2. This software is
+ * distributed under the terms of the GNU General Public License v3 (GPL
+ * Version 3), copied verbatim in the file "COPYING".
+ *
+ * See http://alice-o2.web.cern.ch/license for full licensing information.
+ *
+ * In applying this license CERN does not waive the privileges and immunities
+ * granted to it by virtue of its status as an Intergovernmental Organization
+ * or submit itself to any jurisdiction.
+ */
+
+module.exports = {
+    up: (queryInterface, Sequelize) => queryInterface.createTable('Tags', {
+        id: {
+            allowNull: false,
+            autoIncrement: true,
+            primaryKey: true,
+            type: Sequelize.INTEGER,
+        },
+        text: {
+            allowNull: false,
+            type: Sequelize.STRING,
+        },
+        created_at: {
+            allowNull: false,
+            type: Sequelize.DATE,
+        },
+        updated_at: {
+            allowNull: false,
+            type: Sequelize.DATE,
+        },
+    }),
+
+    down: (queryInterface, _Sequelize) => queryInterface.dropTable('Tags'),
+};

lib/database/models/tag.js

@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright CERN and copyright holders of ALICE O2. This software is
+ * distributed under the terms of the GNU General Public License v3 (GPL
+ * Version 3), copied verbatim in the file "COPYING".
+ *
+ * See http://alice-o2.web.cern.ch/license for full licensing information.
+ *
+ * In applying this license CERN does not waive the privileges and immunities
+ * granted to it by virtue of its status as an Intergovernmental Organization
+ * or submit itself to any jurisdiction.
+ */
+
+module.exports = (sequelize, Sequelize) => {
+    const Tag = sequelize.define('Tag', {
+        text: Sequelize.STRING,
+    }, {});
+    return Tag;
+};