<?php //display the index of threads in a folder

/* ====================================================================================================================== */

/* NoNonsense Forum v14 © Copyright (CC-BY) Kroc Camen 2012

licenced under Creative Commons Attribution 3.0 <creativecommons.org/licenses/by/3.0/deed.en_GB>

you may do whatever you want to this code as long as you give credit to Kroc Camen, <camendesign.com>

*/

//bootstrap the forum; you should read that file first

require_once './start.php';

//get page number

define ('PAGE', preg_match ('/^[1-9][0-9]*$/', @$_GET['page']) ? (int) $_GET['page'] : 1);

//submitted info for making a new thread

//(name / password already handled in 'start.php')

define ('TITLE', safeGet (@$_POST['title'], SIZE_TITLE));

define ('TEXT', safeGet (@$_POST['text'], SIZE_TEXT ));

/* ======================================================================================================================

new thread submitted

====================================================================================================================== */

//has the user submitted a new thread?

//(`AUTH` will be true if username and password submitted and correct, `TITLE` and `TEXT` are checked to not be blank)

if (CAN_POST && AUTH && TITLE && TEXT) {

//the file on disk is a simplified version of the title:

$translit = preg_replace (

//replace non alphanumerics with underscores and don’t use more than 2 in a row

array ('/[^_a-z0-9-]/i', '/_{2,}/'), '_',

//remove the additional characters added by transliteration, e.g. "ñ" = "~n",

//has the added benefit of converting “microsoft's” to “microsofts” instead of “microsoft_s”

str_replace (array ("'", "`", "^", "~", "'", '"'), '', strtolower (

//unaccent: <php.net/manual/en/function.iconv.php>

iconv ('UTF-8', 'US-ASCII//IGNORE//TRANSLIT', transliterate (TITLE))

))

);

//old iconv versions and certain inputs may cause a nullstring. don't allow a blank filename

if (!$translit) $translit = '_';

//if a thread already exsits with that name, append a number until an available filename is found

$c = 0;

do $file = $translit.($c++ ? '_'.($c-1) : '');

while (file_exists ("$file.rss"));

//write out the new thread as an RSS file:

$rss = new DOMTemplate (FORUM_ROOT.'/lib/rss-template.xml');

$rss->set (array (

'/rss/channel/title' => TITLE,

'/rss/channel/link' => FORUM_URL.PATH_URL.$file,

//the thread's first post

'/rss/channel/item/title' => TITLE,

'/rss/channel/item/link' => FORUM_URL.PATH_URL."$file#".base_convert (microtime (), 10, 36),

'/rss/channel/item/author' => NAME,

'/rss/channel/item/pubDate' => gmdate ('r'),

'/rss/channel/item/description' => formatText (TEXT)

));

file_put_contents ("$file.rss", $rss->html ()) or die (

"Failed to save thread. Folder permissions may be incorrect."

);

//regenerate the folder's RSS file

indexRSS ();

//redirect to newley created thread

header ('Location: '.FORUM_URL.PATH_URL.$file, true, 303);

exit;

}

/* ======================================================================================================================

template the page

====================================================================================================================== */

//load the template into DOM where we can manipulate it:

//(see 'lib/domtemplate.php' or <camendesign.com/dom_templating> for more details. `prepareTemplate` can be found in

// 'lib/functions.php' and handles some shared templating done across all pages)

$template = prepareTemplate (

FORUM_ROOT.'/themes/'.FORUM_THEME.'/index.html',

//`THEME_TITLE` is defined in 'theme.config.php' if it exists, else 'theme.config.default.php'

sprintf (THEME_TITLE,

//if in a sub-forum use the folder name, else the site's name

PATH ? SUBFORUM: FORUM_NAME,

//if on page 2 or greater, include the page number in the title

PAGE>1 ? sprintf (THEME_TITLE_PAGENO, PAGE) : ''

)

)->remove (array (

//if threads can't be added (forum is disabled / locked, user is not moderator / member),

//remove the "add thread" link and anything else (like the input form) related to posting

'#nnf_add, #nnf_new-form' => !CAN_POST,

//if the forum is not thread-locked (only mods can post, anybody can reply) then remove the warning message

'.nnf_forum-lock-threads' => FORUM_LOCK != 'threads',

//if the forum is not post-locked (only mods can post / reply) then remove the warning message

'.nnf_forum-lock-posts' => FORUM_LOCK != 'posts'

));

//an 'about.html' file can be provided to add a description or other custom HTML to the forum / sub-forum

if (file_exists ('about.html')) {

//load the 'about.html' file and insert it into the page

$template->setHTML ('#nnf_about', file_get_contents ('about.html'));

} else {

//no file? remove the element reserved for it

$template->remove ('#nnf_about');

}

/* sub-forums

---------------------------------------------------------------------------------------------------------------------- */

if ($folders = array_filter (

//get a list of folders:

//include only directories, but ignore directories starting with ‘.’ and the users / themes folders

preg_grep ('/^(\.|users$|themes$|lib$)/', scandir ('.'), PREG_GREP_INVERT), 'is_dir'

)) {

//get the dummy list-item to repeat (removes it and takes a copy)

$item = $template->repeat ('.nnf_folder');

foreach ($folders as $FOLDER) {

//the sorting (below) requires we be in the directory at hand to use `filemtime`

chdir ($FOLDER);

//check if / how the forum is locked

$lock = trim (@file_get_contents ('locked.txt'));

//get a list of files in the folder to determine which one is newest

$threads = preg_grep ('/\.rss$/', scandir ('.'));

//order by last modified date

array_multisort (array_map ('filemtime', $threads), SORT_DESC, $threads);

//read the newest thread (folder could be empty though)

$last = ($xml = @simplexml_load_file ($threads[0])) ? $xml->channel->item[0] : '';

//start applying the data to the template

$item->set (array (

'a.nnf_folder-name' => $FOLDER, //name of sub-forum

'a.nnf_folder-name@href' => PATH_URL.safeURL ($FOLDER).'/' //URL to it

//remove the lock icons if not required

))->remove (array (

'.nnf_lock-threads' => $lock != 'threads',

'.nnf_lock-posts' => $lock != 'posts'

));

//is there a last post in this sub-forum?

if ((bool) $last) {

$item->set (array (

//last post author name

'.nnf_post-author' => $last->author,

//last post time (human readable)

'time.nnf_post-time' => date (DATE_FORMAT, strtotime ($last->pubDate)),

//last post time (machine readable)

'time.nnf_post-time@datetime' => date ('c', strtotime ($last->pubDate)),

//link to the last post

'a.nnf_post-link@href' => substr ($last->link, strpos ($last->link, '/', 9)),

));

//is the last author a mod?

if (isMod ($last->author)) $item->addClass ('.nnf_post-author', 'mod');

} else {

//no last post, remove the template for it

$item->remove ('.nnf_subforum-post');

}

//attach the templated sub-forum item to the list

$item->next ();

chdir ('..');

}

} else {

//no sub-forums, remove the template stuff

$template->remove ('#nnf_folders');

}

/* threads

---------------------------------------------------------------------------------------------------------------------- */

//get list of threads (if any--could be an empty folder)

if ($threads = preg_grep ('/\.rss$/', scandir ('.'))) {

//order by last modified date

array_multisort (array_map ('filemtime', $threads), SORT_DESC, $threads);

//get sticky list, trimming any files that no longer exist

//(the use of `array_intersect` will only return filenames in `sticky.txt` that were also in the directory)

if ($stickies = array_intersect (

//`file` returns NULL on failure, so we can cast it to an array to get an array with one blank item,

//then `array_filter` removes blank items. this way saves having to check if the file exists first

array_filter ((array) @file ('sticky.txt', FILE_IGNORE_NEW_LINES)), $threads

)) {

//order the stickies by reverse date order

array_multisort (array_map ('filemtime', $stickies), SORT_DESC, $stickies);

//remove the stickies from the thread list

$threads = array_diff ($threads, $stickies);

}

//do the page links (stickies are not included in the count as they appear on all pages)

//(`theme_pageList` is defined in 'theme.config.php' if it exists, otherwise 'theme.config.default.php')

$template->setHTML ('.nnf_pages', theme_pageList (

//page number, number of pages

PAGE, ceil (count ($threads) / FORUM_THREADS)

));

//slice the full list into the current page

$threads = array_merge ($stickies, array_slice ($threads, (PAGE-1) * FORUM_THREADS, FORUM_THREADS));

//get the dummy list-item to repeat (removes it and takes a copy)

$item = $template->repeat ('.nnf_thread');

//generate the list of threads with data, for the template

foreach ($threads as $file) if (

//read the file, and refer to the last post made

$xml = @simplexml_load_file ($file)

) {

//is the thread sticky?

if (in_array ($file, $stickies)) $item->addClass ('.', 'sticky');

//if the thread isn’t locked, remove the lock icon

if (!$xml->channel->xpath ("category[text()='locked']")) $item->remove ('.nnf_thread-locked');

//get the last post in the thread

$last = &$xml->channel->item[0];

//apply the data to the template

$item->set (array (

//thread title and URL

'a.nnf_thread-name' => $xml->channel->title,

'a.nnf_thread-name@href' => pathinfo ($file, PATHINFO_FILENAME).'?page=last',

//number of replies

'.nnf_thread-replies' => count ($xml->channel->item) - 1,

//last post info:

//link to the last post

'a.nnf_thread-post@href' => substr ($last->link, strpos ($last->link, '/', 9)),

//last post time (human readable)

'time.nnf_thread-time' => date (DATE_FORMAT, strtotime ($last->pubDate)),

//last post time (machine readable)

'time.nnf_thread-time@datetime' => date ('c', strtotime ($last->pubDate)),

//last post author

'.nnf_thread-author' => $last->author

));

//is the last post author a mod?

if (isMod ($last->author)) $item->addClass ('.nnf_thread-author', 'mod');

//attach the templated sub-forum item to the list

$item->next ();

}

} else {

//no threads, remove the template stuff

$template->remove ('#nnf_threads');

}

/* new thread form

---------------------------------------------------------------------------------------------------------------------- */

if (CAN_POST) $template->set (array (

//set the field values from what was typed in before

'input#nnf_title-field@value' => TITLE,

'input#nnf_name-field-http@value' => NAME,

'input#nnf_name-field@value' => NAME,

'input#nnf_pass-field@value' => PASS,

'textarea#nnf_text-field' => TEXT,

//set the maximum field sizes

'input#nnf_title-field@maxlength' => SIZE_TITLE,

'input#nnf_name-field@maxlength' => SIZE_NAME,

'input#nnf_pass-field@maxlength' => SIZE_PASS,

'textarea#nnf_text-field@maxlength' => SIZE_TEXT

//is the user already signed-in?

))->remove (HTTP_AUTH

//don’t need the usual name / password fields and the deafult message for anonymous users

? '#nnf_name, #nnf_pass, #nnf_email, #nnf_error-none'

//user is not signed in, remove the "you are signed in as:" field and the message for signed in users

: '#nnf_name-http, #nnf_error-none-http'

//are new registrations allowed?

)->remove (FORUM_NEWBIES

? '#nnf_error-newbies' //yes: remove the warning message

: '#nnf_error-none' //no: remove the default message

//handle error messages

)->remove (array (

//if there's an error of any sort, remove the default messages

'#nnf_error-none, #nnf_error-none-http, #nnf_error-newbies' => !empty ($_POST),

//if the username & password are correct, remove the error message

'#nnf_error-auth' => empty ($_POST) || !TITLE || !TEXT || !NAME || !PASS || AUTH,

//if the password is valid, remove the erorr message

'#nnf_error-pass' => empty ($_POST) || !TITLE || !TEXT || !NAME || PASS,

//if the name is valid, remove the erorr message

'#nnf_error-name' => empty ($_POST) || !TITLE || !TEXT || NAME,

//if the message text is valid, remove the error message

'#nnf_error-text' => empty ($_POST) || !TITLE || TEXT,

//if the title is valid, remove the erorr message

'#nnf_error-title'=> empty ($_POST) || TITLE

));

//call the user-defined function in 'theme.config.php' (if it exists), otherwise 'theme.config.default.php'.

//this function is provided to allow custom themes to do their own additional templating

theme_custom ($template);

die ($template->html ());

?>