todo/backend/src/models.js

const Sequelize = require('sequelize');
const Config = require('./config.js');

const models = (db) => {
  const UnverifiedUser = db.define('UnverifiedUser', {
    id: {
      type: Sequelize.DataTypes.UUID,
      defaultValue: Sequelize.UUIDV4,
      allowNull: false,
      primaryKey: true,
      unique: true
    },
    verificationToken: {
      type: Sequelize.DataTypes.STRING,
      allowNull: false
    },
    email: {
      type: Sequelize.DataTypes.STRING,
      allowNull: false,
      unique: true
    },
    discord_only_account: {
      type: Sequelize.DataTypes.BOOLEAN,
      allowNull: false,
      defaultValue: false
    },
    discord_id: {
      type: Sequelize.DataTypes.STRING,
      allowNull: true
    },
    password_hash: {
      type: Sequelize.DataTypes.STRING,
      allowNull: true
    }
  });

  const User = db.define('User', {
    id: {
      type: Sequelize.DataTypes.UUID,
      defaultValue: Sequelize.UUIDV4,
      allowNull: false,
      primaryKey: true,
      unique: true
    },
    email: {
      type: Sequelize.DataTypes.STRING,
      allowNull: false,
      unique: true
    },
    discord_only_account: {
      type: Sequelize.DataTypes.BOOLEAN,
      allowNull: false,
      defaultValue: false
    },
    discord_id: {
      type: Sequelize.DataTypes.STRING,
      allowNull: true
    },
    password_hash: {
      type: Sequelize.DataTypes.STRING,
      allowNull: true
    }
  });

  const Todo = db.define('Todo', {
    id: {
      type: Sequelize.DataTypes.UUID,
      defaultValue: Sequelize.UUIDV4,
      allowNull: false,
      primaryKey: true,
      unique: true
    },
    user: {
      type: Sequelize.DataTypes.UUID,
      allowNull: false
    },
    content: {
      type: Sequelize.DataTypes.TEXT,
      allowNull: false
    },
    tags: {
      type: Sequelize.DataTypes.ARRAY(Sequelize.DataTypes.STRING),
      allowNull: true
    },
    complete: {
      type: Sequelize.DataTypes.BOOLEAN,
      allowNull: false,
      defaultValue: false
    },
    deadline: {
      type: Sequelize.DataTypes.DATE,
      allowNull: true
    }
  });

  const Grouping = db.define('Grouping', {
    id: {
      type: Sequelize.DataTypes.UUID,
      defaultValue: Sequelize.UUIDV4,
      allowNull: false,
      primaryKey: true,
      unique: true
    },
    complete: {
      type: Sequelize.DataTypes.BOOLEAN,
      allowNull: true
    },
    manually_added: {
      type: Sequelize.DataTypes.ARRAY(Sequelize.DataTypes.UUID),
      allowNull: true
    },
    required: {
      type: Sequelize.DataTypes.ARRAY(Sequelize.DataTypes.STRING),
      allowNull: true
    },
    exclusions: {
      type: Sequelize.DataTypes.ARRAY(Sequelize.DataTypes.STRING),
      allowNull: true
    }
  });

  let options = {
    alter: false
  };
  if (Config.config.alter_db) {
    options.alter = true;
  }
  UnverifiedUser.sync(options);
  User.sync(options);
  Todo.sync(options);
  Grouping.sync(options);

  return {
    user: User,
    unverifiedUser: UnverifiedUser,
    todo: Todo,
    grouping: Grouping
  };
};

module.exports = models;