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/**
* Module dependencies.
*/
var SchemaType = require('../schematype')
, CastError = SchemaType.CastError
, driver = global.MONGOOSE_DRIVER_PATH || './../drivers/node-mongodb-native'
, oid = require('../types/objectid');
/**
* ObjectId SchemaType constructor.
*
* @param {String} key
* @param {Object} options
* @api private
*/
function ObjectId (key, options) {
SchemaType.call(this, key, options, 'ObjectID');
};
/**
* Inherits from SchemaType.
*/
ObjectId.prototype.__proto__ = SchemaType.prototype;
/**
* Check required
*
* @api private
*/
ObjectId.prototype.checkRequired = function checkRequired (value) {
if (SchemaType._isRef(this, value, true)) {
return null != value;
} else {
return value instanceof oid;
}
};
/**
* Casts to ObjectId
*
* @param {Object} value
* @param {Object} scope
* @param {Boolean} whether this is an initialization cast
* @api private
*/
ObjectId.prototype.cast = function (value, scope, init) {
if (SchemaType._isRef(this, value, init)) return value;
if (value === null) return value;
if (value instanceof oid)
return value;
if (value._id && value._id instanceof oid)
return value._id;
if (value.toString)
return oid.fromString(value.toString());
throw new CastError('object id', value);
};
function handleSingle (val) {
return this.cast(val);
}
function handleArray (val) {
var self = this;
return val.map(function (m) {
return self.cast(m);
});
}
ObjectId.prototype.$conditionalHandlers = {
'$ne': handleSingle
, '$in': handleArray
, '$nin': handleArray
, '$gt': handleSingle
, '$lt': handleSingle
, '$gte': handleSingle
, '$lte': handleSingle
, '$all': handleArray
};
ObjectId.prototype.castForQuery = function ($conditional, val) {
var handler;
if (arguments.length === 2) {
handler = this.$conditionalHandlers[$conditional];
if (!handler)
throw new Error("Can't use " + $conditional + " with ObjectId.");
return handler.call(this, val);
} else {
val = $conditional;
return this.cast(val);
}
};
/**
* Adds an auto-generated ObjectId default if turnOn is true.
* @param {Boolean} turnOn auto generated ObjectId defaults
* @api private
*/
ObjectId.prototype.auto = function (turnOn) {
if (turnOn) {
this.default(function(){
return new oid();
});
this.set(function (v) {
this.__id = null;
return v;
})
}
};
/**
* Module exports.
*/
module.exports = ObjectId;
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