gistfile1.dart

#source('Model.dart');

void main() {
  Map<String, Dynamic> m = new Map();
  m['name'] = 'Kevin';
  
  Model simpleModel = new Model(m);
  simpleModel.set('name', 'kevin').set('age', 24).save().save();
  print('done');
}







class Model {
  
  Map<String, Dynamic> data;
  Model(this.data){}
  
  Dynamic operator [](String field) => this.get(field);
  Dynamic get(field) => data[field];
  
  void operator []=(String field, Dynamic value) => this._setVoid(field, value);
  void _setVoid(field, value) {
    data[field] = value;
  }

  // So we can chain, e.g: person.set('name', 'kevin').set('age', '24').save()
  Model set(field, value) { 
    this._setVoid(field, value);
    return this;
  }
  
  Model save () {
    if (this.get('id') === null) {
      return this.createModel();
    } else {
      return this.updateModel();
    }
  }
  
  Model createModel () {
    print('model created');
    this.set('id', 1);
    return this;
  }
  
  Model updateModel () {
    print('model updated');
    return this;
  }
  
}