DB: Add models and migration for badges

models/badge.js

@@ -0,0 +1,24 @@
+'use strict';
+const {
+  Model
+} = require('sequelize');
+module.exports = (sequelize, DataTypes) => {
+  class Badge extends Model {
+    static associate(models) {
+      // A badge can belong to many cards
+      Badge.belongsToMany(models.Character, { through: 'BadgeCharacter' });
+
+      // A badge can belong to many users
+      Badge.belongsToMany(models.User, { through: 'BadgeUser' });
+    }
+  }
+  Badge.init({
+    name: DataTypes.STRING,
+    description: DataTypes.STRING,
+    image: DataTypes.STRING
+  }, {
+    sequelize,
+    modelName: 'Badge',
+  });
+  return Badge;
+};

models/character.js

@@ -11,6 +11,8 @@ module.exports = (sequelize, DataTypes) => {
      */
     static associate(models) {
       Character.belongsTo(models.Group, { foreignKey: 'groupId', });
+      // A character can belong to many badges
+      Character.belongsToMany(models.Badge, { through: 'BadgeCharacter' });
     }
   }
   Character.init({

models/user.js

@@ -17,6 +17,8 @@ module.exports = (sequelize, DataTypes) => {
       User.hasMany(models.Card);
       User.hasMany(models.CurrencyHistory);
       User.hasOne(models.Profile);
+      // A user can have many badges
+      User.belongsToMany(models.Badge, { through: 'BadgeUser' });
     }
     async addExperience(amount, source='unknown') {
       console.log(`Adding ${amount} experience to user ${this.id}`);