Codice PHP:
<?php
class Wall_Updates {
// Wall friends
public function relationship ($uid)
{
$query=mysql_query("SELECT * FROM relationship WHERE uid ='$uid' AND amico='S'");//non so come si chiama esattamente il campo id in user
while($row=mysql_fetch_array($query))
$data[]=$row;
return $data;
}
// Updates
public function Updates($uid)
{
$query = mysql_query("SELECT M.msg_id, M.uid_fk, M.message, M.created, U.username FROM messages M, users U, relationship R WHERE M.uid_fk=U.uid and M.uid_fk='$uid' and R.uid ='$uid' AND amico='S' order by M.msg_id desc ") or die(mysql_error());
while($row=mysql_fetch_array($query))
$data[]=$row;
return $data;
}
//Comments
public function Comments($msg_id)
{
$query = mysql_query("SELECT C.com_id, C.uid_fk, C.comment, C.created, U.username, relationship R FROM comments C, users U , relationship R WHERE C.uid_fk=U.uid and C.msg_id_fk='$msg_id' and R.uid ='$uid' AND amico='S' order by C.com_id asc ") or die(mysql_error());
while($row=mysql_fetch_array($query))
$data[]=$row;
if(!empty($data))
{
return $data;
}
}
//Avatar Image
public function Gravatar($uid)
{
$query = mysql_query("SELECT user_email FROM `users` WHERE uid='$uid'") or die(mysql_error());
$row=mysql_fetch_array($query);
if(!empty($row))
{
$user_email=$row['user_email'];
$lowercase = strtolower($user_email);
$imagecode = md5( $lowercase );
$data="http://www.gravatar.com/avatar.php?gravatar_id=$imagecode";
return $data;
}
else
{
$data="default.jpg";
return $data;
}
}
//Insert Update
public function Insert_Update($uid, $update)
{
$update=htmlentities($update);
$time=time();
$ip=$_SERVER['REMOTE_ADDR'];
$query = mysql_query("SELECT msg_id,message FROM `messages`, `relationship` WHERE uid_fk='$uid' and uid ='$uid' AND amico='S' order by msg_id desc limit 1") or die(mysql_error());
$result = mysql_fetch_array($query);
if ($update!=$result['message']) {
$query = mysql_query("INSERT INTO `messages` (message, uid_fk, ip,created) VALUES ('$update', '$uid', '$ip','$time')") or die(mysql_error());
$newquery = mysql_query("SELECT M.msg_id, M.uid_fk, M.message, M.created, U.username FROM messages M, users U relationship R where M.uid_fk=U.uid and M.uid_fk='$uid' and R.uid ='$uid' AND amico='S' order by M.msg_id desc limit 1 ");
$result = mysql_fetch_array($newquery);
return $result;
}
else
{
return false;
}
}
//Delete update
public function Delete_Update($uid, $msg_id)
{
$query = mysql_query("DELETE FROM `comments` WHERE msg_id_fk = '$msg_id' ") or die(mysql_error());
$query = mysql_query("DELETE FROM `messages` WHERE msg_id = '$msg_id' and uid_fk='$uid' and uid ='$uid' AND amico='S'") or die(mysql_error());
return true;
}
//Insert Comments
public function Insert_Comment($uid,$msg_id,$comment)
{
$comment=htmlentities($comment);
$time=time();
$ip=$_SERVER['REMOTE_ADDR'];
$query = mysql_query("SELECT com_id,comment FROM `comments`, `relationship` WHERE uid_fk='$uid' and msg_id_fk='$msg_id' and uid ='$uid' AND amico='S' order by com_id desc limit 1 ") or die(mysql_error());
$result = mysql_fetch_array($query);
if ($comment!=$result['comment']) {
$query = mysql_query("INSERT INTO `comments`, `relationship` (comment, uid_fk,msg_id_fk,ip,created) VALUES ('$comment', '$uid','$msg_id', '$ip','$time')") or die(mysql_error());
$newquery = mysql_query("SELECT C.com_id, C.uid_fk, C.comment, C.msg_id_fk, C.created, U.username FROM comments C, users U, relationship where C.uid_fk=U.uid and C.uid_fk='$uid' and C.msg_id_fk='$msg_id' and R.uid ='$uid' AND amico='S' order by C.com_id desc limit 1 ");
$result = mysql_fetch_array($newquery);
return $result;
}
else
{
return false;
}
}
//Delete Comments
public function Delete_Comment($uid, $com_id)
{
$query = mysql_query("DELETE FROM `comments` WHERE uid_fk='$uid' and com_id='$com_id' and uid ='$uid' AND amico='S'") or die(mysql_error());
return true;
}
}
?>
Tabella relationship.. ( se può' aiutarmi a sciogliere questo arcano )
Codice PHP:
-- phpMyAdmin SQL Dump
-- version 3.3.7
-- [url]http://www.phpmyadmin.net[/url]
--
-- Host: localhost
-- Generato il: 09 nov, 2011 at 10:18 PM
-- Versione MySQL: 5.1.44
-- Versione PHP: 5.3.2
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
--
-- Database: `yes-friends`
--
-- --------------------------------------------------------
--
-- Struttura della tabella `relationship`
--
CREATE TABLE IF NOT EXISTS `relationship` (
`id` int(10) NOT NULL AUTO_INCREMENT,
`user_1` varchar(10) NOT NULL,
`user_2` varchar(10) NOT NULL,
`amico` enum('S','N') NOT NULL DEFAULT 'N',
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=37 ;
--
-- Dump dei dati per la tabella `relationship`
--
INSERT INTO `relationship` (`id`, `user_1`, `user_2`, `amico`) VALUES
(12, '54', '57', 'S'),
(9, '54', '57', 'S'),
(8, '54', '55', 'S'),
(7, '54', '58', 'N'),
(11, '55', '54', 'S'),
(13, '57', '54', 'S'),
(14, '57', '57', 'N'),
(15, '57', '55', 'S'),
(16, '54', '60', 'N'),
(17, '57', '54', 'S'),
(18, '57', '58', 'N'),
(19, '57', '59', 'N'),
(20, '57', '60', 'N'),
(21, '54', '61', 'S'),
(22, '57', '61', 'N'),
(24, '54', '62', 'N'),
(25, '54', '55', 'S'),
(26, '54', '55', 'S'),
(27, '54', '55', 'S'),
(28, '55', '58', 'N'),
(29, '55', '54', 'S'),
(30, '57', '58', 'N'),
(31, '63', '61', 'S'),
(32, '63', '61', 'S'),
(33, '63', '61', 'S'),
(34, '63', '61', 'S'),
(35, '54', '58', 'N');
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