upload/src/aCloud/version/phpwind/customized/ACloudVerCustomizedFriend.php
<?php
! defined ( 'ACLOUD_PATH' ) && exit ( 'Forbidden' );
Wind::import ( 'LIB:base.PwBaseController' );

define ( 'Friend_INVALID_PARAMS', 101 );
define ( 'Friend_NOT_EXISTS', 102 );
define ( 'Friend_ALREADY_FOLLOWED', 103 );
define ( 'Friend_FOLLOWED_BLACKLIST', 104 );
define ( 'Friend_NOT_FOLLOWED', 105 );

class ACloudVerCustomizedFriend extends ACloudVerCustomizedBase {
	
	public function getAllFriend($uid, $offset, $limit) {
	
	}
	
	public function searchAllFriend($uid, $keyword, $offset, $limit) {
	
	}
	
	/**
	 * 获取用户关注的人
	 *
	 * @param int $uid 用户id
	 * @param int $limit
	 * @param int $offset
	 * @return array
	 */
	public function getFollowByUid($uid, $offset, $limit) {
		$uid = intval ( $uid );
		$user = PwUserBo::getInstance ( $uid );
		if (! $user->isExists ())
			return $this->buildResponse ( Friend_NOT_EXISTS,"好友不存在" );
		$attentionResult = $this->getAttention ()->getFollows ( $uid, intval ( $offset ), intval ( $limit ) );
		if ($attentionResult instanceof PwError)
			return $this->buildResponse ( - 1, $attentionResult->getError () );
		$count = $user->info ['follows'];
		$result = array ();
		$loginUid = Wekit::getLoginUser ()->uid;
		foreach ( $attentionResult as $k => $v ) {
			$result [$k] ['uid'] = $v ['uid'];
			$result [$k] ['icon'] = Pw::getAvatar ( $v ['uid'] );
			$result [$k] ['username'] = PwUserBo::getInstance ( $v ['uid'] )->username;
			$isFollowed = $this->getAttention ()->isFollowed ( $loginUid, $v ['uid'] );
			$result [$k] ['isfollowd'] = ($isFollowed == false) ? 0 : 1;
		}
		return $this->buildResponse ( 0, array ('friends' => $result, 'count' => $count ) );
	}
	
	/**
	 * 用户(A)关注了用户(B)
	 *
	 * @param int $uid 用户A
	 * @param int $touid 用户B
	 * @return bool| object PwError()
	 */
	public function addFollowByUid($uid, $touid) {
		list ( $uid, $touid ) = array (intval ( $uid ), intval ( $touid ) );
		if ($touid < 1 || $uid < 1)
			return $this->buildResponse ( Friend_INVALID_PARAMS,"参数错误" );
		$result = $this->getAttentionService ()->addFollow ( $uid, $touid );
		if ($result instanceof PwError)
			return $this->buildResponse ( - 1, $result->getError () );
		$user = PwUserBo::getInstance ( $uid );
		return $this->buildResponse ( 0, array ('follows' => $user->info ['follows'] ) );
	}
	
	/**
	 * 用户(A)取消了对用户(B)关注
	 *
	 * @param int $uid 用户A
	 * @param int $touid 用户B
	 * @return bool| object PwError()
	 */
	public function deleteFollowByUid($uid, $touid) {
		list ( $uid, $touid ) = array (intval ( $uid ), intval ( $touid ) );
		if ($uid < 1 || $touid < 1)
			return $this->buildResponse ( Friend_INVALID_PARAMS,"参数错误" );
		$result = $this->getAttentionService ()->deleteFollow ( $uid, $touid );
		if ($result instanceof PwError)
			return $this->buildResponse ( - 1, $result->getError () );
		$user = PwUserBo::getInstance ( $uid );
		$count = $user->info ['follows'];
		return $this->buildResponse ( 0, array ('follows' => $count ) );
	}
	
	/**
	 * 获取用户的粉丝
	 *
	 * @param int $uid 用户id
	 * @param int $limit
	 * @param int $offset
	 * @return array
	 */
	public function getFanByUid($uid, $offset, $limit) {
		list ( $uid, $offset, $limit ) = array (intval ( $uid ), intval ( $offset ), intval ( $limit ) );
		if ($uid < 1)
			$this->buildResponse ( Friend_INVALID_PARAMS,"参数错误" );
		$fansResult = $this->getAttention ()->getFans ( $uid,$limit,$offset );
		if ($fansResult instanceof PwError)
			return $this->buildResponse ( - 1, $fansResult->getError () );
		$result = array ();
		$loginUid = Wekit::getLoginUser ()->uid;
		foreach ( $fansResult as $k => $v ) {
			$result [$k] ['uid'] = $v ['uid'];
			$result [$k] ['icon'] = Pw::getAvatar ( $v ['uid'] );
			$result [$k] ['username'] = PwUserBo::getInstance ( $v ['uid'] )->username;
			$isFollowed = $this->getAttention ()->isFollowed ( $loginUid, $v ['uid'] );
			$result [$k] ['isfollowd'] = ($isFollowed == false) ? 0 : 1;
		}
		$user = PwUserBo::getInstance ( $uid );
		$count = $user->info ['fans'];
		return $this->buildResponse ( 0, array ('friends' => $result, 'count' => $count ) );
	}
	
	private function getAttention() {
		return Wekit::load ( 'SRV:attention.PwAttention' );
	}
	
	private function getAttentionService() {
		return Wekit::load ( 'SRV:attention.srv.PwAttentionService' );
	}
}