Hello,
I wanted to know if there is a better way to do this ?
//my old way of getting all my friends but has no pagination.
class FriendsController extends AppController
{
var $name = 'Friends';
function view($memberId = null)
{
if (!isset($memberId) ){
$memberId = $this->Authentication->getId();
}
$this->pageTitle = "View Friends of " . $memberData["Member"]
["fname"];
$this->set('memberData',$memberData);
$this->set('friendList',
$this->Friend->getFriendList($memberId));
$this->render();
}
}
?>
<?php
class Friend extends AppModel {
var $name = 'Friend';
function getFriendList($personId = null)
{
if (!isset($personId) || empty($personId))
{
return false;
}
else
{
$q = "SELECT Member.id, Member.fname, Member.lname,
Profile.gender,
Profile.primaryPhotoSrc FROM members Member JOIN profiles Profile ON
Member.id = Profile.member_id WHERE Member.id IN ( SELECT
receiver_member_id FROM friends WHERE sender_member_id = '" .
$personId . "') and Member.isActive = '1' order by Member.fname";
return $this->query($q);
}
}
}
?>
/******** The above is the old way i did it. I want to be able to
paginate my view.
Is there a better way to do it than the way i have it
below ? ***************/
<?php
class FriendsController extends AppController
{
var $name = 'Friends';
var $paginate = array(
'fields' => array('Member.id', 'Member.fname',
'Member.lname','Member.modified',
'Profile.gender','Profile.primaryPhotoSrc'),
'order' => array('Member.fname' => 'asc'),
'limit' => 10
);
function view($memberId = null)
{
$friendIdsExtracted = array();
$memberData = array();
//I'd like to view person X's friends.
if (isset($memberId) ){
$this->Session->del($this->name.'.friendId');
$this->Session->del($this->name.'.friendIdsExtracted');
}
//Scenario: I just in to this action with a memberId and I am
currently going
//through or paging through all of his friends
if($this->Session->check($this->name.'.friendId')){
$memberData =
$this->Session->read($this->name.'.memberData');
$friendId =
$this->Session->read($this->name.'.friendId');
$friendIdsExtracted = $this->Session->read($this-
>name.'.friendIdsExtracted');
}else{
//I just came into this action with a memberId.
//and I'd like to see page 1 of all of his friends.
if( !isset($memberId) ){
$memberId = $this->Auth->user("id");
}
$memberData =
$this->Member->getActiveMemberInfoById($memberId);
//if they want to view friends of a non active
member, return him
to member page.
if (empty($memberData) ){
$this->redirect(array("controller"=>"members",
"action"=>"index"),null,true);
}
//keeping with the fact that i just came in
with a memberId and i
am on page1
//I want a list of ids that I am a friend with.
this is similar to
the inner select
//i had before : SELECT receiver_member_id FROM
friends WHERE
sender_member_id = '" . $personId . "'
$listofIds =
$this->Friend->findAll(array("sender_member_id" =>
$memberId), array("receiver_member_id"));
//the list of ids returned is like
[0]=>array([Friend]=>array(receiver_member_id=>x)),
//manipulate list to show only the ids.
$friendIdsExtracted =
Set::extract($listofIds,'{n}.Friend.receiver_member_id');
$this->Session->write($this->name.'.memberData', $memberData);
$this->Session->write($this->name.'.friendId',
$memberId);
$this->Session->write($this->name.'.friendIdsExtracted',
$friendIdsExtracted);
}
//this makes the paginate function do a select the above fields
from
Member where id in (a,b,c,d,e,f,g,h) limit x,y
$conditions= array("Member.id" => $friendIdsExtracted);
$this->set('memberData', $memberData);
$this->set('friendList', $this->paginate('Member',
$conditions));
}
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