gregswindle/jsrules

var DateVariable, Proposition;

Proposition = require('./proposition');

DateVariable = function(name, value) {
  this.name = name;
  this.value = value;
  this.type = 'jsrules.DateVariable';

  this.equalTo = function(variable) {
    var name = '(' + this.name + ' === ' + variable.name + ')';
    return new Proposition(name, this.value.getTime() === variable.value.getTime());
  };

  this.greaterThan = function(variable) {
    var name = '(' + this.name + ' > ' + variable.name + ')';
    return new Proposition(name, this.value.getTime() > variable.value.getTime());
  };

  this.greaterThanOrEqualTo = function(variable) {
    var name = '(' + this.name + ' >= ' + variable.name + ')';
    return new Proposition(name, this.value.getTime() >= variable.value.getTime());
  };

  this.lessThan = function(variable) {
    var name = '(' + this.name + ' < ' + variable.name + ')';
    return new Proposition(name, this.value.getTime() < variable.value.getTime());
  };

  this.lessThanOrEqualTo = function(variable) {
    var name = '(' + this.name + ' <= ' + variable.name + ')';
    return new Proposition(name, this.value.getTime() <= variable.value.getTime());
  };

  this.notEqualTo = function(variable) {
    var name = '(' + this.name + ' !== ' + variable.name + ')';
    return new Proposition(name, this.value.getTime() !== variable.value.getTime());
  };

  this.toString = function() {
    return 'DateVariable name = ' + this.name + ', value = ' + this.value;
  };
};

module.exports = DateVariable;