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/**
* Module dependencies.
*/
var SchemaType = require('../schematype')
, CastError = SchemaType.CastError
, BufferNumberSchema = function () {}
, MongooseBuffer = require('../types').Buffer
, Binary = MongooseBuffer.Binary
, Query = require('../query');
/**
* Buffer SchemaType constructor
*
* @param {String} key
* @param {SchemaType} cast
* @api private
*/
function SchemaBuffer (key, options) {
SchemaType.call(this, key, options, 'Buffer');
};
/**
* Inherits from SchemaType.
*/
SchemaBuffer.prototype.__proto__ = SchemaType.prototype;
/**
* Check required
*
* @api private
*/
SchemaBuffer.prototype.checkRequired = function (value) {
return !!(value && value.length);
};
/**
* Casts contents
*
* @param {Object} value
* @param {Document} document that triggers the casting
* @api private
*/
SchemaBuffer.prototype.cast = function (value, doc, init) {
if (SchemaType._isRef(this, value, init)) return value;
if (Buffer.isBuffer(value)) {
if (!(value instanceof MongooseBuffer)) {
value = new MongooseBuffer(value, [this.path, doc]);
}
return value;
} else if (value instanceof Binary) {
return new MongooseBuffer(value.value(true), [this.path, doc]);
}
if ('string' === typeof value || Array.isArray(value)) {
return new MongooseBuffer(value, [this.path, doc]);
}
throw new CastError('buffer', value);
};
function handleSingle (val) {
return this.castForQuery(val);
}
function handleArray (val) {
var self = this;
return val.map( function (m) {
return self.castForQuery(m);
});
}
SchemaBuffer.prototype.$conditionalHandlers = {
'$ne' : handleSingle
, '$in' : handleArray
, '$nin': handleArray
, '$gt' : handleSingle
, '$lt' : handleSingle
, '$gte': handleSingle
, '$lte': handleSingle
};
SchemaBuffer.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 Buffer.");
return handler.call(this, val);
} else {
val = $conditional;
return this.cast(val).toObject();
}
};
/**
* Module exports.
*/
module.exports = SchemaBuffer;
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