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/**
* Module requirements.
*/
var SchemaType = require('../schematype')
, CastError = SchemaType.CastError;
/**
* Date SchemaType constructor.
*
* @param {String} key
* @param {Object} options
* @api private
*/
function SchemaDate (key, options) {
SchemaType.call(this, key, options);
};
/**
* Inherits from SchemaType.
*/
SchemaDate.prototype.__proto__ = SchemaType.prototype;
/**
* Required validator for date
*
* @api private
*/
SchemaDate.prototype.checkRequired = function (value) {
return value instanceof Date;
};
/**
* Casts to date
*
* @param {Object} value to cast
* @api private
*/
SchemaDate.prototype.cast = function (value) {
if (value === null || value === '')
return null;
if (value instanceof Date)
return value;
var date;
// support for timestamps
if (value instanceof Number || 'number' == typeof value
|| String(value) == Number(value))
date = new Date(Number(value));
// support for date strings
else if (value.toString)
date = new Date(value.toString());
if (date.toString() != 'Invalid Date')
return date;
throw new CastError('date', value);
};
/**
* Date Query casting.
*
* @api private
*/
function handleSingle (val) {
return this.cast(val);
}
function handleArray (val) {
var self = this;
return val.map( function (m) {
return self.cast(m);
});
}
SchemaDate.prototype.$conditionalHandlers = {
'$lt': handleSingle
, '$lte': handleSingle
, '$gt': handleSingle
, '$gte': handleSingle
, '$ne': handleSingle
, '$in': handleArray
, '$nin': handleArray
, '$all': handleArray
};
SchemaDate.prototype.castForQuery = function ($conditional, val) {
var handler;
if (2 !== arguments.length) {
return this.cast($conditional);
}
handler = this.$conditionalHandlers[$conditional];
if (!handler) {
throw new Error("Can't use " + $conditional + " with Date.");
}
return handler.call(this, val);
};
/**
* Module exports.
*/
module.exports = SchemaDate;
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