migration-picture.js

'use strict';
module.exports = {
  up: function(queryInterface, Sequelize) {
    return queryInterface.createTable('pictures', {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: Sequelize.INTEGER
      },
      path: {
        type: Sequelize.STRING
      },
      userId: {
        type: Sequelize.INTEGER,
        allowNull: true,
        references: {
          model: 'users',
          key: 'id'
        }
      },
      createdAt: {
        allowNull: false,
        type: Sequelize.DATE
      },
      updatedAt: {
        allowNull: false,
        type: Sequelize.DATE
      }
    });
  },

  down: function(queryInterface, Sequelize) {
    return queryInterface.dropTable('pictures');
  }
};

migration-users.js

'use strict';

module.exports = {
  up: function (queryInterface, Sequelize) {
      return queryInterface.createTable('users', {
        id: {
          type: Sequelize.INTEGER,
          primaryKey: true,
          autoIncrement: true
        },
        thirdPartyUserId: Sequelize.INTEGER,
        name: Sequelize.STRING,
        oauthToken: Sequelize.STRING,
        oauthTokenSecret: Sequelize.STRING,
        provider: Sequelize.STRING,
        createdAt: {
          type: Sequelize.DATE
        },
        updatedAt: {
          type: Sequelize.DATE
        }
      });
  },

  down: function (queryInterface, Sequelize) {
      return queryInterface.dropTable('users');
  }
};

picture.js

'use strict';
module.exports = function(sequelize, DataTypes) {
  var Picture = sequelize.define('Picture', {
    path: DataTypes.STRING,
    uploadedByUserId: DataTypes.INTEGER
  });

  Picture.associate = function(models) {
    Picture.belongsTo(models.User, {
      foreignKey: {
        allowNull: true
      }
    });
  }

  return Picture;
};

user.js

module.exports = function(sequelize, Sequelize) {
  const User = sequelize.define('User', {
    thirdPartyUserId: Sequelize.INTEGER,
    name: Sequelize.STRING,
    oauthToken: Sequelize.STRING,
    oauthTokenSecret: Sequelize.STRING,
    provider: Sequelize.STRING
  });

  User.prototype.asSafeUser = function() {
    return {
      id: this.getDataValue('id'),
      name: this.getDataValue('name'),
      provider: this.getDataValue('provider')
    }
  }

  User.associate = function(models) {
    User.hasMany(models.Picture);
  }


  return User;
}