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edx-platform/common/static/js/spec_helpers/edx.utils.validate.js

145 lines
5.3 KiB
JavaScript

var edx = edx || {};
(function( $, _ ) {
'use strict';
edx.utils = edx.utils || {};
var utils = (function(){
var _fn = {
validate: {
msg: {
email: '<p>A properly formatted e-mail is required</p>',
min: '<p><%= field %> must be a minimum of <%= length %> characters long',
max: '<p><%= field %> must be a maximum of <%= length %> characters long',
password: '<p>A valid password is required</p>',
required: '<p><%= field %> field is required</p>',
terms: '<p>To enroll you must agree to the <a href="#">Terms of Service and Honor Code</a></p>'
},
field: function( el ) {
var $el = $(el),
required = _fn.validate.required( $el ),
// length = _fn.validate.charLength( $el ),
min = _fn.validate.str.minlength( $el ),
max = _fn.validate.str.maxlength( $el ),
email = _fn.validate.email.valid( $el ),
response = {
isValid: required && min && max && email
};
if ( !response.isValid ) {
response.message = _fn.validate.getMessage( $el, {
required: required,
// length: length,
min: min,
max: max,
email: email
});
}
return response;
},
charLength: function( $el ) {
var type = $el.attr("type");
if (type !== "text" && type !== "textarea" && type !== "password") {
return true;
}
// Cannot assume there will be both min and max
var min = $el.attr('minlength') || 0,
max = $el.attr('maxlength') || false,
chars = $el.val().length,
within = false;
// if max && min && within the range
if ( min <= chars && ( max && chars <= max ) ) {
within = true;
} else if ( min <= chars && !max ) {
within = true;
}
return within;
},
str: {
minlength: function( $el ) {
var min = $el.attr('minlength') || 0;
return min <= $el.val().length;
},
maxlength: function( $el ) {
var max = $el.attr('maxlength') || false;
return ( !!max ) ? max >= $el.val().length : true;
},
capitalizeFirstLetter: function( str ) {
str = str.replace('_', ' ');
return str.charAt(0).toUpperCase() + str.slice(1);
}
},
required: function( $el ) {
if ( $el.attr('type') === 'checkbox' ) {
return $el.attr('required') ? $el.prop('checked') : true;
} else {
return $el.attr('required') ? $el.val() : true;
}
},
email: {
// This is the same regex used to validate email addresses in Django 1.4
regex: new RegExp(
[
'(^[-!#$%&\'*+/=?^_`{}|~0-9A-Z]+(\\.[-!#$%&\'*+/=?^_`{}|~0-9A-Z]+)*',
'|^"([\\001-\\010\\013\\014\\016-\\037!#-\\[\\]-\\177]|\\\\[\\001-\\011\\013\\014\\016-\\177])*"',
')@((?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\\.)+[A-Z]{2,6}\\.?$)',
'|\\[(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\]$'
].join(''), 'i'
),
valid: function( $el ) {
return $el.data('email') ? _fn.validate.email.format( $el.val() ) : true;
},
format: function( str ) {
return _fn.validate.email.regex.test( str );
}
},
getMessage: function( $el, tests ) {
var txt = [],
tpl,
name;
_.each( tests, function( value, key ) {
if ( !value ) {
name = $el.attr('name');
tpl = _fn.validate.msg[key];
txt.push( _.template( tpl, {
field: _fn.validate.str.capitalizeFirstLetter( name )
}));
}
});
return txt.join(' ');
}
}
};
return {
validate: _fn.validate.field
};
})();
edx.utils.validate = utils.validate;
})( jQuery, _ );