Geddy base behaviour for controllers

geddy_base_controller.js

/*
 * Geddy JavaScript Web development framework
 * Copyright 2112 Matthew Eernisse ([email protected])
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/

var Application = function () {
	
};

Application.prototype.setupController = function (modelName) {
	var resourceName = modelName.toLowerCase();

  this.respondsWith = ['html', 'json', 'xml', 'js', 'txt'];

  this.index = function (req, resp, params) {
    var self = this;

    geddy.model[modelName].all(function(err, results) {
		var atts = {params: params};
		atts[resourceName + 's'] = results;
		self.respond(atts);
    });
  };

  this.add = function (req, resp, params) {
    this.respond({params: params});
  };

  this.create = function (req, resp, params) {
    var self = this,
		resource = geddy.model[modelName].create(params);

    resource.save(function(err, data) {
      if (err) {
        params.errors = err;
        self.transfer('add');
      } else {
        self.redirect({controller: self.name});
      }
    });
  };

  this.show = function (req, resp, params) {
    var self = this;

    geddy.model[modelName].load(params.id, function(err, result) {
		var atts = {params: params};
		atts[resourceName] = result.toObj();
		self.respond(atts);
    });
  };

  this.edit = function (req, resp, params) {
    var self = this;

    geddy.model[modelName].load(params.id, function(err, result) {
		var atts = {params: params};
		atts[resourceName] = result;
		self.respond(atts);
    });
  };

  this.update = function (req, resp, params) {
    var self = this;

    geddy.model[modelName].load(params.id, function(err, result) {
      result.updateAttributes(params);

      result.save(function(err, data) {
        if (err) {
          params.errors = err;
          self.transfer('edit');
        } else {
          self.redirect({controller: self.name});
        }
      });
    });
  };

  this.destroy = function (req, resp, params) {
    var self = this;

    geddy.model[modelName].remove(params.id, function(err) {
      if (err) {
        params.errors = err;
        self.transfer('edit');
      } else {
        self.redirect({controller: self.name});
      }
    });
  };

};


exports.Application = Application;

todo_controller.js

var Todos = function () {
  
  this.setupController('Todo');


};

exports.Todos = Todos;