46de8790
 Tarpit Grover
first commit
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/*!
* Module requirements.
*/
var SchemaType = require('../schematype');
var CastError = SchemaType.CastError;
var utils = require('../utils');
/**
* Date SchemaType constructor.
*
* @param {String} key
* @param {Object} options
* @inherits SchemaType
* @api private
*/
function SchemaDate (key, options) {
SchemaType.call(this, key, options);
};
/*!
* Inherits from SchemaType.
*/
SchemaDate.prototype.__proto__ = SchemaType.prototype;
/**
* Declares a TTL index (rounded to the nearest second) for _Date_ types only.
*
* This sets the `expiresAfterSeconds` index option available in MongoDB >= 2.1.2.
* This index type is only compatible with Date types.
*
* ####Example:
*
* // expire in 24 hours
* new Schema({ createdAt: { type: Date, expires: 60*60*24 }});
*
* `expires` utilizes the `ms` module from [guille](https://github.com/guille/) allowing us to use a friendlier syntax:
*
* ####Example:
*
* // expire in 24 hours
* new Schema({ createdAt: { type: Date, expires: '24h' }});
*
* // expire in 1.5 hours
* new Schema({ createdAt: { type: Date, expires: '1.5h' }});
*
* // expire in 7 days
* var schema = new Schema({ createdAt: Date });
* schema.path('createdAt').expires('7d');
*
* @param {Number|String} when
* @added 3.0.0
* @return {SchemaType} this
* @api public
*/
SchemaDate.prototype.expires = function (when) {
if (!this._index || 'Object' !== this._index.constructor.name) {
this._index = {};
}
this._index.expires = when;
utils.expires(this._index);
return this;
};
/**
* 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, this.path);
};
/*!
* 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
};
/**
* Casts contents for queries.
*
* @param {String} $conditional
* @param {any} [value]
* @api private
*/
SchemaDate.prototype.castForQuery = function ($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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