Adding more models

server/models/Collection.js

@@ -0,0 +1,25 @@
+const { DataTypes, Model } = require('sequelize')
+
+module.exports = (sequelize) => {
+  class Collection extends Model { }
+
+  Collection.init({
+    id: {
+      type: DataTypes.UUID,
+      defaultValue: DataTypes.UUIDV4,
+      primaryKey: true
+    },
+    name: DataTypes.STRING,
+    description: DataTypes.TEXT
+  }, {
+    sequelize,
+    modelName: 'Collection'
+  })
+
+  const { Library } = sequelize.models
+
+  Library.hasMany(Collection)
+  Collection.belongsTo(Library)
+
+  return Collection
+}