/**

* @file AVRelation.cpp

* @author yang chaozhong <cyang@avoscloud.com>

* @date Thu Aug 28 16:54:51 2014

*

* @brief

*

* Copyright 2014 AVOS Cloud Inc. All rights reserved.

*/

#include "AVObject/AVRelation.h"

#include <string>

NS_AV_BEGIN

AVQuery* AVRelation::query() {

Json::Value dict(Json::objectValue);

Json::Value relatedToDict(Json::objectValue);

Json::Value objectDict(Json::objectValue);

objectDict["__type"] = "Pointer";

objectDict["className"] = this->parent->className;

if (this->parent->hasValidObjectId()) {

objectDict["objectId"] = this->parent->objectId;

}

relatedToDict["object"] = objectDict;

relatedToDict["key"] = this->key;

dict["$relatedTo"] = relatedToDict;

AVQuery* query = AVQuery::queryWithClassName(this->targetClass);

query->setWhere(dict);

return query;

}

void AVRelation::release() {

AV_SAFE_DELETE(this);

}

void AVRelation::addObject(AVObject* object) {

if (object->hasValidObjectId()) {

this->targetClass = object->className;

this->parent->addRelationForKey(object, this->key);

}

}

void AVRelation::removeObject(AVObject* object) {

this->parent->removeRelationForKey(object, this->key);

}

AVQuery* AVRelation::reverseQueryWithRelationKeyAndChildObject(std::string parentClassName,

std::string relationKey,

AVObject* child) {

Json::Value objectDict(Json::objectValue);

objectDict["__type"] = "Pointer";

objectDict["className"] = child->className;

if (child->hasValidObjectId()) {

objectDict["objectId"] = child->objectId;

}

AVQuery* query = AVQuery::queryWithClassName(parentClassName);

query->setWhere(objectDict);

return query;

}

NS_AV_END