ember-validations.js

// ==========================================================================
// Project:   Ember Validations
// Copyright: Copyright 2013 DockYard, LLC. and contributors.
// License:   Licensed under MIT license (see license.js)
// ==========================================================================


// Version: 1.0.0.beta.2

(function() {
    Ember.Validations = Ember.Namespace.create({
        VERSION: '1.0.0.beta.2'
    });

})();



(function() {
    Ember.Validations.messages = {
        render: function(attribute, context) {
            if (Ember.I18n) {
                return Ember.I18n.t('errors.' + attribute, context);
            } else {
                var regex = new RegExp("{{(.*?)}}"),
                    attributeName = "";
                if (regex.test(this.defaults[attribute])) {
                    attributeName = regex.exec(this.defaults[attribute])[1];
                }
                return this.defaults[attribute].replace(regex, context[attributeName]);
            }
        },
        defaults: {
            inclusion: "is not included in the list",
            exclusion: "is reserved",
            invalid: "is invalid",
            confirmation: "doesn't match {{attribute}}",
            accepted: "must be accepted",
            empty: "can't be empty",
            blank: "can't be blank",
            present: "must be blank",
            tooLong: "is too long (maximum is {{count}} characters)",
            tooShort: "is too short (minimum is {{count}} characters)",
            wrongLength: "is the wrong length (should be {{count}} characters)",
            notANumber: "is not a number",
            notAnInteger: "must be an integer",
            greaterThan: "must be greater than {{count}}",
            greaterThanOrEqualTo: "must be greater than or equal to {{count}}",
            equalTo: "must be equal to {{count}}",
            lessThan: "must be less than {{count}}",
            lessThanOrEqualTo: "must be less than or equal to {{count}}",
            otherThan: "must be other than {{count}}",
            odd: "must be odd",
            even: "must be even",
            url: "is not a valid URL"
        }
    };

})();



(function() {
    Ember.Validations.Errors = Ember.Object.extend({
        unknownProperty: function(property) {
            this.set(property, Ember.makeArray());
            return this.get(property);
        }
    });

})();



(function() {
    var setValidityMixin = Ember.Mixin.create({
        isValid: function() {
            return this.get('validators').compact().filterBy('isValid', false).get('length') === 0;
        }.property('validators.@each.isValid'),
        isInvalid: Ember.computed.not('isValid')
    });

    var pushValidatableObject = function(model, property) {
        var content = model.get(property);

        model.removeObserver(property, pushValidatableObject);
        if (Ember.isArray(content)) {
            model.validators.pushObject(ArrayValidatorProxy.create({model: model, property: property, contentBinding: 'model.' + property}));
        } else {
            model.validators.pushObject(content);
        }
    };

    var findValidator = function(validator) {
        var klass = validator.classify();
        return Ember.Validations.validators.local[klass] || Ember.Validations.validators.remote[klass];
    };

    var ArrayValidatorProxy = Ember.ArrayProxy.extend(setValidityMixin, {
        validate: function() {
            return this._validate();
        },
        _validate: function() {
            var promises = this.get('content').invoke('_validate').without(undefined);
            return Ember.RSVP.all(promises);
        }.on('init'),
        validators: Ember.computed.alias('content')
    });

    Ember.Validations.Mixin = Ember.Mixin.create(setValidityMixin, {
        init: function() {
            this._super();
            this.errors = Ember.Validations.Errors.create();
            this._dependentValidationKeys = {};
            this.validators = Ember.makeArray();
            if (this.get('validations') === undefined) {
                this.validations = {};
            }
            this.buildValidators();
            this.validators.forEach(function(validator) {
                validator.addObserver('errors.[]', this, function(sender, key, value, context, rev) {
                    var errors = Ember.makeArray();
                    this.validators.forEach(function(validator) {
                        if (validator.property === sender.property) {
                            errors = errors.concat(validator.errors);
                        }
                    }, this);
                    this.set('errors.' + sender.property, errors);
                });
            }, this);
        },
        buildValidators: function() {
            var property, validator;

            for (property in this.validations) {
                if (this.validations[property].constructor === Object) {
                    this.buildRuleValidator(property);
                } else {
                    this.buildObjectValidator(property);
                }
            }
        },
        buildRuleValidator: function(property) {
            var validator;
            for (validator in this.validations[property]) {
                if (this.validations[property].hasOwnProperty(validator)) {
                    this.validators.pushObject(findValidator(validator).create({model: this, property: property, options: this.validations[property][validator]}));
                }
            }
        },
        buildObjectValidator: function(property) {
            if (Ember.isNone(this.get(property))) {
                this.addObserver(property, this, pushValidatableObject);
            } else {
                pushValidatableObject(this, property);
            }
        },
        validate: function() {
            var self = this;
            return this._validate().then(function(vals) {
                var errors = self.get('errors');
                if (vals.contains(false)) {
                    return Ember.RSVP.reject(errors);
                }
                return errors;
            });
        },
        _validate: function() {
            var promises = this.validators.invoke('_validate').without(undefined);
            return Ember.RSVP.all(promises);
        }.on('init')
    });

})();



(function() {
    Ember.Validations.patterns = Ember.Namespace.create({
        numericality: /^(-|\+)?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d*)?$/,
        blank: /^\s*$/
    });

})();



(function() {
    Ember.Validations.validators        = Ember.Namespace.create();
    Ember.Validations.validators.local  = Ember.Namespace.create();
    Ember.Validations.validators.remote = Ember.Namespace.create();

})();



(function() {
    Ember.Validations.validators.Base = Ember.Object.extend({
        init: function() {
            this.set('errors', Ember.makeArray());
            this._dependentValidationKeys = Ember.makeArray();
            this.conditionals = {
                'if': this.get('options.if'),
                unless: this.get('options.unless')
            };
            this.model.addObserver(this.property, this, this._validate);
        },
        addObserversForDependentValidationKeys: function() {
            this._dependentValidationKeys.forEach(function(key) {
                this.model.addObserver(key, this, this._validate);
            }, this);
        }.on('init'),
        pushDependentValidationKeyToModel: function() {
            var model = this.get('model');
            if (model._dependentValidationKeys[this.property] === undefined) {
                model._dependentValidationKeys[this.property] = Ember.makeArray();
            }
            model._dependentValidationKeys[this.property].addObjects(this._dependentValidationKeys);
        }.on('init'),
        call: function () {
            throw 'Not implemented!';
        },
        unknownProperty: function(key) {
            var model = this.get('model');
            if (model) {
                return model.get(key);
            }
        },
        isValid: Ember.computed.empty('errors.[]'),
        validate: function() {
            var self = this;
            return this._validate().then(function(success) {
                // Convert validation failures to rejects.
                var errors = self.get('model.errors');
                if (success) {
                    return errors;
                } else {
                    return Ember.RSVP.reject(errors);
                }
            });
        },
        _validate: function() {
            this.errors.clear();
            if (this.canValidate()) {
                this.call();
            }
            if (this.get('isValid')) {
                return Ember.RSVP.resolve(true);
            } else {
                return Ember.RSVP.resolve(false);
            }
        }.on('init'),
        canValidate: function() {
            if (typeof(this.conditionals) === 'object') {
                if (this.conditionals['if']) {
                    if (typeof(this.conditionals['if']) === 'function') {
                        return this.conditionals['if'](this.model, this.property);
                    } else if (typeof(this.conditionals['if']) === 'string') {
                        if (typeof(this.model[this.conditionals['if']]) === 'function') {
                            return this.model[this.conditionals['if']]();
                        } else {
                            return this.model.get(this.conditionals['if']);
                        }
                    }
                } else if (this.conditionals.unless) {
                    if (typeof(this.conditionals.unless) === 'function') {
                        return !this.conditionals.unless(this.model, this.property);
                    } else if (typeof(this.conditionals.unless) === 'string') {
                        if (typeof(this.model[this.conditionals.unless]) === 'function') {
                            return !this.model[this.conditionals.unless]();
                        } else {
                            return !this.model.get(this.conditionals.unless);
                        }
                    }
                } else {
                    return true;
                }
            } else {
                return true;
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Absence = Ember.Validations.validators.Base.extend({
        init: function() {
            this._super();
            /*jshint expr:true*/
            if (this.options === true) {
                this.set('options', {});
            }

            if (this.options.message === undefined) {
                this.set('options.message', Ember.Validations.messages.render('present', this.options));
            }
        },
        call: function() {
            if (!Ember.isEmpty(this.model.get(this.property))) {
                this.errors.pushObject(this.options.message);
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Acceptance = Ember.Validations.validators.Base.extend({
        init: function() {
            this._super();
            /*jshint expr:true*/
            if (this.options === true) {
                this.set('options', {});
            }

            if (this.options.message === undefined) {
                this.set('options.message', Ember.Validations.messages.render('accepted', this.options));
            }
        },
        call: function() {
            if (this.options.accept) {
                if (this.model.get(this.property) !== this.options.accept) {
                    this.errors.pushObject(this.options.message);
                }
            } else if (this.model.get(this.property) !== '1' && this.model.get(this.property) !== 1 && this.model.get(this.property) !== true) {
                this.errors.pushObject(this.options.message);
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Confirmation = Ember.Validations.validators.Base.extend({
        init: function() {
            this.originalProperty = this.property;
            this.property = this.property + 'Confirmation';
            this._super();
            this._dependentValidationKeys.pushObject(this.originalProperty);
            /*jshint expr:true*/
            if (this.options === true) {
                this.set('options', { attribute: this.originalProperty });
                this.set('options', { message: Ember.Validations.messages.render('confirmation', this.options) });
            }
        },
        call: function() {
            if (this.model.get(this.originalProperty) !== this.model.get(this.property)) {
                this.errors.pushObject(this.options.message);
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Exclusion = Ember.Validations.validators.Base.extend({
        init: function() {
            this._super();
            if (this.options.constructor === Array) {
                this.set('options', { 'in': this.options });
            }

            if (this.options.message === undefined) {
                this.set('options.message', Ember.Validations.messages.render('exclusion', this.options));
            }
        },
        call: function() {
            /*jshint expr:true*/
            var message, lower, upper;

            if (Ember.isEmpty(this.model.get(this.property))) {
                if (this.options.allowBlank === undefined) {
                    this.errors.pushObject(this.options.message);
                }
            } else if (this.options['in']) {
                if (Ember.$.inArray(this.model.get(this.property), this.options['in']) !== -1) {
                    this.errors.pushObject(this.options.message);
                }
            } else if (this.options.range) {
                lower = this.options.range[0];
                upper = this.options.range[1];

                if (this.model.get(this.property) >= lower && this.model.get(this.property) <= upper) {
                    this.errors.pushObject(this.options.message);
                }
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Format = Ember.Validations.validators.Base.extend({
        init: function() {
            this._super();
            if (this.options.constructor === RegExp) {
                this.set('options', { 'with': this.options });
            }

            if (this.options.message === undefined) {
                this.set('options.message',  Ember.Validations.messages.render('invalid', this.options));
            }
        },
        call: function() {
            if (Ember.isEmpty(this.model.get(this.property))) {
                if (this.options.allowBlank === undefined) {
                    this.errors.pushObject(this.options.message);
                }
            } else if (this.options['with'] && !this.options['with'].test(this.model.get(this.property))) {
                this.errors.pushObject(this.options.message);
            } else if (this.options.without && this.options.without.test(this.model.get(this.property))) {
                this.errors.pushObject(this.options.message);
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Inclusion = Ember.Validations.validators.Base.extend({
        init: function() {
            this._super();
            if (this.options.constructor === Array) {
                this.set('options', { 'in': this.options });
            }

            if (this.options.message === undefined) {
                this.set('options.message', Ember.Validations.messages.render('inclusion', this.options));
            }
        },
        call: function() {
            var message, lower, upper;
            if (Ember.isEmpty(this.model.get(this.property))) {
                if (this.options.allowBlank === undefined) {
                    this.errors.pushObject(this.options.message);
                }
            } else if (this.options['in']) {
                if (Ember.$.inArray(this.model.get(this.property), this.options['in']) === -1) {
                    this.errors.pushObject(this.options.message);
                }
            } else if (this.options.range) {
                lower = this.options.range[0];
                upper = this.options.range[1];

                if (this.model.get(this.property) < lower || this.model.get(this.property) > upper) {
                    this.errors.pushObject(this.options.message);
                }
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Length = Ember.Validations.validators.Base.extend({
        init: function() {
            var index, key;
            this._super();
            /*jshint expr:true*/
            if (typeof(this.options) === 'number') {
                this.set('options', { 'is': this.options });
            }

            if (this.options.messages === undefined) {
                this.set('options.messages', {});
            }

            for (index = 0; index < this.messageKeys().length; index++) {
                key = this.messageKeys()[index];
                if (this.options[key] !== undefined && this.options[key].constructor === String) {
                    this.model.addObserver(this.options[key], this, this._validate);
                }
            }

            this.options.tokenizer = this.options.tokenizer || function(value) { return value.split(''); };
            // if (typeof(this.options.tokenizer) === 'function') {
            // debugger;
            // // this.tokenizedLength = new Function('value', 'return '
            // } else {
            // this.tokenizedLength = new Function('value', 'return (value || "").' + (this.options.tokenizer || 'split("")') + '.length');
            // }
        },
        CHECKS: {
            'is'      : '==',
            'minimum' : '>=',
            'maximum' : '<='
        },
        MESSAGES: {
            'is'      : 'wrongLength',
            'minimum' : 'tooShort',
            'maximum' : 'tooLong'
        },
        getValue: function(key) {
            if (this.options[key].constructor === String) {
                return this.model.get(this.options[key]) || 0;
            } else {
                return this.options[key];
            }
        },
        messageKeys: function() {
            return Ember.keys(this.MESSAGES);
        },
        checkKeys: function() {
            return Ember.keys(this.CHECKS);
        },
        renderMessageFor: function(key) {
            var options = {count: this.getValue(key)}, _key;
            for (_key in this.options) {
                options[_key] = this.options[_key];
            }

            return this.options.messages[this.MESSAGES[key]] || Ember.Validations.messages.render(this.MESSAGES[key], options);
        },
        renderBlankMessage: function() {
            if (this.options.is) {
                return this.renderMessageFor('is');
            } else if (this.options.minimum) {
                return this.renderMessageFor('minimum');
            }
        },
        call: function() {
            var check, fn, message, operator, key;

            if (Ember.isEmpty(this.model.get(this.property))) {
                if (this.options.allowBlank === undefined && (this.options.is || this.options.minimum)) {
                    this.errors.pushObject(this.renderBlankMessage());
                }
            } else {
                for (key in this.CHECKS) {
                    operator = this.CHECKS[key];
                    if (!this.options[key]) {
                        continue;
                    }

                    fn = new Function('return ' + this.options.tokenizer(this.model.get(this.property)).length + ' ' + operator + ' ' + this.getValue(key));
                    if (!fn()) {
                        this.errors.pushObject(this.renderMessageFor(key));
                    }
                }
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Numericality = Ember.Validations.validators.Base.extend({
        init: function() {
            /*jshint expr:true*/
            var index, keys, key;
            this._super();

            if (this.options === true) {
                this.options = {};
            } else if (this.options.constructor === String) {
                key = this.options;
                this.options = {};
                this.options[key] = true;
            }

            if (this.options.messages === undefined || this.options.messages.numericality === undefined) {
                this.options.messages = this.options.messages || {};
                this.options.messages = { numericality: Ember.Validations.messages.render('notANumber', this.options) };
            }

            if (this.options.onlyInteger !== undefined && this.options.messages.onlyInteger === undefined) {
                this.options.messages.onlyInteger = Ember.Validations.messages.render('notAnInteger', this.options);
            }

            keys = Ember.keys(this.CHECKS).concat(['odd', 'even']);
            for(index = 0; index < keys.length; index++) {
                key = keys[index];

                if (isNaN(this.options[key])) {
                    this.model.addObserver(this.options[key], this, this._validate);
                }

                if (this.options[key] !== undefined && this.options.messages[key] === undefined) {
                    if (Ember.$.inArray(key, Ember.keys(this.CHECKS)) !== -1) {
                        this.options.count = this.options[key];
                    }
                    this.options.messages[key] = Ember.Validations.messages.render(key, this.options);
                    if (this.options.count !== undefined) {
                        delete this.options.count;
                    }
                }
            }
        },
        CHECKS: {
            equalTo              :'===',
            greaterThan          : '>',
            greaterThanOrEqualTo : '>=',
            lessThan             : '<',
            lessThanOrEqualTo    : '<='
        },
        call: function() {
            var check, checkValue, fn, form, operator, val;

            if (Ember.isEmpty(this.model.get(this.property))) {
                if (this.options.allowBlank === undefined) {
                    this.errors.pushObject(this.options.messages.numericality);
                }
            } else if (!Ember.Validations.patterns.numericality.test(this.model.get(this.property))) {
                this.errors.pushObject(this.options.messages.numericality);
            } else if (this.options.onlyInteger === true && !(/^[+\-]?\d+$/.test(this.model.get(this.property)))) {
                this.errors.pushObject(this.options.messages.onlyInteger);
            } else if (this.options.odd  && parseInt(this.model.get(this.property), 10) % 2 === 0) {
                this.errors.pushObject(this.options.messages.odd);
            } else if (this.options.even && parseInt(this.model.get(this.property), 10) % 2 !== 0) {
                this.errors.pushObject(this.options.messages.even);
            } else {
                for (check in this.CHECKS) {
                    operator = this.CHECKS[check];

                    if (this.options[check] === undefined) {
                        continue;
                    }

                    if (!isNaN(parseFloat(this.options[check])) && isFinite(this.options[check])) {
                        checkValue = this.options[check];
                    } else if (this.model.get(this.options[check]) !== undefined) {
                        checkValue = this.model.get(this.options[check]);
                    }

                    fn = new Function('return ' + this.model.get(this.property) + ' ' + operator + ' ' + checkValue);

                    if (!fn()) {
                        this.errors.pushObject(this.options.messages[check]);
                    }
                }
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Presence = Ember.Validations.validators.Base.extend({
        init: function() {
            this._super();
            /*jshint expr:true*/
            if (this.options === true) {
                this.options = {};
            }

            if (this.options.message === undefined) {
                this.options.message = Ember.Validations.messages.render('blank', this.options);
            }
        },
        call: function() {
            if (Ember.isEmpty(this.model.get(this.property))) {
                this.errors.pushObject(this.options.message);
            }
        }
    });

})();



(function() {
    Ember.Validations.validators.local.Url = Ember.Validations.validators.Base.extend({
        regexp: null,
        regexp_ip: null,

        init: function() {
            this._super();

            if (this.get('options.message') === undefined) {
                this.set('options.message', Ember.Validations.messages.render('url', this.options));
            }

            if (this.get('options.protocols') === undefined) {
                this.set('options.protocols', ['http', 'https']);
            }

            // Regular Expression Parts
            var dec_octet = '(25[0-5]|2[0-4][0-9]|[0-1][0-9][0-9]|[1-9][0-9]|[0-9])'; // 0-255
            var ipaddress = '(' + dec_octet + '(\\.' + dec_octet + '){3})';
            var hostname = '([a-zA-Z0-9\\-]+\\.)+([a-zA-Z]{2,})';
            var encoded = '%[0-9a-fA-F]{2}';
            var characters = 'a-zA-Z0-9$\\-_.+!*\'(),;:@&=';
            var segment = '([' + characters + ']|' + encoded + ')*';

            // Build Regular Expression
            var regex_str = '^';

            if (this.get('options.domainOnly') === true) {
                regex_str += hostname;
            } else {
                regex_str += '(' + this.get('options.protocols').join('|') + '):\\/\\/'; // Protocol

                // Username and password
                if (this.get('options.allowUserPass') === true) {
                    regex_str += '(([a-zA-Z0-9$\\-_.+!*\'(),;:&=]|' + encoded + ')+@)?'; // Username & passwords
                }

                // IP Addresses?
                if (this.get('options.allowIp') === true) {
                    regex_str += '(' + hostname + '|' + ipaddress + ')'; // Hostname OR IP
                } else {
                    regex_str += '(' + hostname + ')'; // Hostname only
                }

                // Ports
                if (this.get('options.allowPort') === true) {
                    regex_str += '(:[0-9]+)?'; // Port
                }

                regex_str += '(\\/';
                regex_str += '(' + segment + '(\\/' + segment + ')*)?'; // Path
                regex_str += '(\\?' + '([' + characters + '/?]|' + encoded + ')*)?'; // Query
                regex_str += '(\\#' + '([' + characters + '/?]|' + encoded + ')*)?'; // Anchor
                regex_str += ')?';
            }

            regex_str += '$';

            // RegExp
            this.regexp = new RegExp(regex_str);
            this.regexp_ip = new RegExp(ipaddress);
        },
        call: function() {
            var url = this.model.get(this.property);

            if (Ember.isEmpty(url)) {
                if (this.get('options.allowBlank') !== true) {
                    this.errors.pushObject(this.get('options.message'));
                }
            } else {
                if (this.get('options.allowIp') !== true) {
                    if (this.regexp_ip.test(url)) {
                        this.errors.pushObject(this.get('options.message'));
                        return;
                    }
                }

                if (!this.regexp.test(url)) {
                    this.errors.pushObject(this.get('options.message'));
                }
            }
        }
    });


})();



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