class User extends Model {
  static table = 'users';

  static fields = {
    id: {
      type: DataTypes.INTEGER,
      primaryKey: true,
      autoIncrement: true,
    },

    name: DataTypes.string(30)
  };
}

class Report extends Model {
  static table = 'reports';
  static timestamps = true;

  static fields = {
    id: {
      type: DataTypes.INTEGER,
      primaryKey: true,
      autoIncrement: true,
    },
  };

  static user(): Promise<Model | Model[]> {
    return this.hasOne(User);
  }
}
Relationships.belongsTo(Report, User, { foreignKey: 'reportedUserId' });
Relationships.belongsTo(Report, User, { foreignKey: 'reporterUserId' });