<?
//TODO: replace 24-43 with user_info()
/*
User post history page
*/

function error_out($reason = "") {
    $error = array('status' => 'failure');
    if ($reason != "")
        $error['reason'] = $reason;
    print $error;
    die();
}

if(!empty($LoggedUser['DisableForums'])) {
    error_out("You do not have access to the forums!");
}


include(SERVER_ROOT.'/classes/class_text.php'); // Text formatting class
$Text = new TEXT;


$UserID = empty($_GET['userid']) ? $LoggedUser['ID'] : $_GET['userid'];
if(!is_number($UserID)){
    error_out("User does not exist!");
}

if (isset($LoggedUser['PostsPerPage'])) {
	$PerPage = $LoggedUser['PostsPerPage'];
} else {
	$PerPage = POSTS_PER_PAGE;
}

list($Page,$Limit) = page_limit($PerPage);

if(($UserInfo = $Cache->get_value('user_info_'.$UserID)) === FALSE) {
	$DB->query("SELECT
		m.Username,
		m.Enabled,
		m.Title,
		i.Avatar,
		i.Donor,
		i.Warned
		FROM users_main AS m
		JOIN users_info AS i ON i.UserID = m.ID
		WHERE m.ID = $UserID");
	
	if($DB->record_count() == 0){ // If user doesn't exist
            error_out("User does not exist!");
	}
	list($Username, $Enabled, $Title, $Avatar, $Donor, $Warned) = $DB->next_record();
} else {
	extract(array_intersect_key($UserInfo, array_flip(array('Username', 'Enabled', 'Title', 'Avatar', 'Donor', 'Warned'))));
}

if(check_perms('site_proxy_images') && !empty($Avatar)) {
	$Avatar = 'http'.($SSL?'s':'').'://'.SITE_URL.'/image.php?c=1&i='.urlencode($Avatar);
}

if($LoggedUser['CustomForums']) {
	unset($LoggedUser['CustomForums']['']);
	$RestrictedForums = implode("','", array_keys($LoggedUser['CustomForums'], 0));
}
$ViewingOwn = ($UserID == $LoggedUser['ID']);
$ShowUnread = ($ViewingOwn && (!isset($_GET['showunread']) || !!$_GET['showunread']));
$ShowGrouped = ($ViewingOwn && (!isset($_GET['group']) || !!$_GET['group']));
if($ShowGrouped) {
	$sql = 'SELECT
		SQL_CALC_FOUND_ROWS
		MAX(p.ID) AS ID
		FROM forums_posts AS p
		LEFT JOIN forums_topics AS t ON t.ID = p.TopicID';
	if($ShowUnread) {
		$sql.='
		LEFT JOIN forums_last_read_topics AS l ON l.TopicID = t.ID AND l.UserID = '.$LoggedUser['ID'];
	}
	$sql .= '
		LEFT JOIN forums AS f ON f.ID = t.ForumID
		WHERE p.AuthorID = '.$UserID.'
		AND ((f.MinClassRead <= '.$LoggedUser['EffectiveClass'];
	if(!empty($RestrictedForums)) {
		$sql.='
		AND f.ID NOT IN (\''.$RestrictedForums.'\')';
	}
	$sql .= ')';
	if(!empty($PermittedForums)) {
		$sql.='
		OR f.ID IN (\''.$PermittedForums.'\')';
	}
	$sql .= ')';
	if($ShowUnread) {
		$sql .= '
		AND ((t.IsLocked=\'0\' OR t.IsSticky=\'1\')
		AND (l.PostID<t.LastPostID OR l.PostID IS NULL))';
	}
	$sql .= '
		GROUP BY t.ID
		ORDER BY p.ID DESC LIMIT '.$Limit;
	$PostIDs = $DB->query($sql);
	$DB->query("SELECT FOUND_ROWS()");
	list($Results) = $DB->next_record();

	if($Results > $PerPage*($Page-1)) {
		$DB->set_query_id($PostIDs);
		$PostIDs = $DB->collect('ID');
		$sql = 'SELECT
			p.ID,
			p.AddedTime,
			p.Body,
			p.EditedUserID,
			p.EditedTime,
			ed.Username,
			p.TopicID,
			t.Title,
			t.LastPostID,
			l.PostID AS LastRead,
			t.IsLocked,
			t.IsSticky
			FROM forums_posts as p
			LEFT JOIN users_main AS um ON um.ID = p.AuthorID
			LEFT JOIN users_info AS ui ON ui.UserID = p.AuthorID
			LEFT JOIN users_main AS ed ON ed.ID = p.EditedUserID
			JOIN forums_topics AS t ON t.ID = p.TopicID
			JOIN forums AS f ON f.ID = t.ForumID
			LEFT JOIN forums_last_read_topics AS l ON l.UserID = '.$UserID.' AND l.TopicID = t.ID
			WHERE p.ID IN ('.implode(',',$PostIDs).')
			ORDER BY p.ID DESC';
		$Posts = $DB->query($sql);
	}
} else {
	$sql = 'SELECT
		SQL_CALC_FOUND_ROWS';
	if($ShowGrouped) {
		$sql.=' * FROM (SELECT';
	}
	$sql .= '
		p.ID,
		p.AddedTime,
		p.Body,
		p.EditedUserID,
		p.EditedTime,
		ed.Username,
		p.TopicID,
		t.Title,
		t.LastPostID,';
	if($UserID == $LoggedUser['ID']) {
		$sql .= '
		l.PostID AS LastRead,';
	}
	$sql .= '
		t.IsLocked,
		t.IsSticky
		FROM forums_posts as p
		LEFT JOIN users_main AS um ON um.ID = p.AuthorID
		LEFT JOIN users_info AS ui ON ui.UserID = p.AuthorID
		LEFT JOIN users_main AS ed ON ed.ID = p.EditedUserID
		JOIN forums_topics AS t ON t.ID = p.TopicID
		JOIN forums AS f ON f.ID = t.ForumID
		LEFT JOIN forums_last_read_topics AS l ON l.UserID = '.$UserID.' AND l.TopicID = t.ID
		WHERE p.AuthorID = '.$UserID.'
		AND f.MinClassRead <= '.$LoggedUser['EffectiveClass'];

	if(!empty($RestrictedForums)) {
		$sql.='
		AND f.ID NOT IN (\''.$RestrictedForums.'\')';
	}

	if($ShowUnread) {
		$sql.='
		AND ((t.IsLocked=\'0\' OR t.IsSticky=\'1\') AND (l.PostID<t.LastPostID OR l.PostID IS NULL)) ';
	}
	
	$sql .= '
		ORDER BY p.ID DESC';
	
	if($ShowGrouped) {
		$sql.='
		) AS sub
		GROUP BY TopicID ORDER BY ID DESC';
	}
	
	$sql.=' LIMIT '.$Limit;
	$Posts = $DB->query($sql);
	
	$DB->query("SELECT FOUND_ROWS()");
	list($Results) = $DB->next_record();
	
	$DB->set_query_id($Posts);
}

$JsonResults = array();
while(list($PostID, $AddedTime, $Body, $EditedUserID, $EditedTime, $EditedUsername, $TopicID, $ThreadTitle, $LastPostID, $LastRead, $Locked, $Sticky) = $DB->next_record()){
    $JsonResults[] = array(
        'postId' => (int) $PostID,
        'topicId' => (int) $TopicID,
        'threadTitle' => $ThreadTitle,
        'lastPostId' => (int) $LastPostID,
        'lastRead' => (int) $LastRead,
        'locked' => $Locked == 1,
        'sticky' => $Sticky == 1,
        'addedTime' => $AddedTime,
        'body' => $Text->full_format($Body),
        'bbbody' => $Body,
        'editedUserId' => (int) $EditedUserID,
        'editedTime' => $EditedTime,
        'editedUsername' => $EditedUsername
        );
}

print json_encode(
    array(
        'status' => 'success',
        'response' => array(
            'currentPage' => (int) $Page,
            'pages' => ceil($Results/$PerPage),
            'threads' => $JsonResults
            )
        )
    );