<?
enforce_login();

$RequestTax = 0.1;

// Minimum and default amount of upload to remove from the user when they vote.
// Also change in static/functions/requests.js
$MinimumVote = 20 * 1024 * 1024;

if (!empty($LoggedUser['DisableRequests'])) {
	error('Your request privileges have been removed.');
}

if (!isset($_REQUEST['action'])) {
	include(SERVER_ROOT.'/sections/requests/requests.php');
} else {
	switch ($_REQUEST['action']) {
		case 'new':
		case 'edit':
			include(SERVER_ROOT.'/sections/requests/new_edit.php');
			break;
		case 'takevote':
			include(SERVER_ROOT.'/sections/requests/takevote.php');
			break;
		case 'takefill':
			include(SERVER_ROOT.'/sections/requests/takefill.php');
			break;
		case 'takenew':
		case 'takeedit':
			include(SERVER_ROOT.'/sections/requests/takenew_edit.php');
			break;
		case 'delete':
		case 'unfill':
			include(SERVER_ROOT.'/sections/requests/interim.php');
			break;
		case 'takeunfill':
			include(SERVER_ROOT.'/sections/requests/takeunfill.php');
			break;
		case 'takedelete':
			include(SERVER_ROOT.'/sections/requests/takedelete.php');
			break;
		case 'view':
		case 'viewrequest':
			include(SERVER_ROOT.'/sections/requests/request.php');
			break;
		case 'reply':
			authorize();

			enforce_login();
			if (!isset($_POST['requestid']) || !is_number($_POST['requestid']) || $_POST['body'] === '' || !isset($_POST['body'])) {
				error(0);
			}
			if ($LoggedUser['DisablePosting']) {
				error('Your posting privileges have been removed.');
			}

			$RequestID = $_POST['requestid'];
			if (!$RequestID) {
				error(404);
			}

			$DB->query("
				SELECT
					CEIL((
						SELECT COUNT(ID) + 1
						FROM requests_comments AS rc
						WHERE rc.RequestID = '$RequestID'
						) / ".TORRENT_COMMENTS_PER_PAGE."
					) AS Pages");
			list($Pages) = $DB->next_record();

			$DB->query("
				INSERT INTO requests_comments
					(RequestID, AuthorID, AddedTime, Body)
				VALUES
					('$RequestID', '".db_string($LoggedUser['ID'])."', '".sqltime()."', '".db_string($_POST['body'])."')");
			$PostID = $DB->inserted_id();

			$CatalogueID = floor((TORRENT_COMMENTS_PER_PAGE * $Pages - TORRENT_COMMENTS_PER_PAGE) / THREAD_CATALOGUE);
			$Cache->begin_transaction("request_comments_$RequestID"."_catalogue_$CatalogueID");
			$Post = array(
				'ID'=>$PostID,
				'AuthorID'=>$LoggedUser['ID'],
				'AddedTime'=>sqltime(),
				'Body'=>$_POST['body'],
				'EditedUserID'=>0,
				'EditedTime'=>'0000-00-00 00:00:00',
				'Username'=>''
				);
			$Cache->insert('', $Post);
			$Cache->commit_transaction(0);
			$Cache->increment("request_comments_$RequestID");

			header("Location: requests.php?action=view&id=$RequestID&page=$Pages");
		break;

		case 'get_post':
			enforce_login();
			if (!$_GET['post'] || !is_number($_GET['post'])) {
				error(0);
			}
			$DB->query("
				SELECT Body
				FROM requests_comments
				WHERE ID = '".db_string($_GET['post'])."'");
			list($Body) = $DB->next_record(MYSQLI_NUM);

			echo trim($Body);
			break;

		case 'takeedit_comment':
			enforce_login();
			authorize();

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

			// Quick SQL injection check
			if (!$_POST['post'] || !is_number($_POST['post'])) {
				error(0);
			}

			// Mainly
			$DB->query("
				SELECT
					rc.Body,
					rc.AuthorID,
					rc.RequestID,
					rc.AddedTime
				FROM requests_comments AS rc
				WHERE rc.ID = '".db_string($_POST['post'])."'");
			list($OldBody, $AuthorID, $RequestID, $AddedTime) = $DB->next_record();

			$DB->query("
				SELECT ceil(COUNT(ID) / ".POSTS_PER_PAGE.") AS Page
				FROM requests_comments
				WHERE RequestID = $RequestID
					AND ID <= $_POST[post]");
			list($Page) = $DB->next_record();

			if ($LoggedUser['ID'] !== $AuthorID && !check_perms('site_moderate_forums')) {
				error(404);
			}
			if (!$DB->has_results()) {
				error(404);
			}

			// Perform the update
			$DB->query("
				UPDATE requests_comments
				SET
					Body = '".db_string($_POST['body'])."',
					EditedUserID = '".db_string($LoggedUser['ID'])."',
					EditedTime = '".sqltime()."'
				WHERE ID = '".db_string($_POST['post'])."'");

			// Update the cache
			$CatalogueID = floor((TORRENT_COMMENTS_PER_PAGE * $Page - TORRENT_COMMENTS_PER_PAGE) / THREAD_CATALOGUE);
			$Cache->begin_transaction("request_comments_$RequestID"."_catalogue_$CatalogueID");

			$Cache->update_row($_POST['key'], array(
				'ID'=>$_POST['post'],
				'AuthorID'=>$AuthorID,
				'AddedTime'=>$AddedTime,
				'Body'=>$_POST['body'],
				'EditedUserID'=>db_string($LoggedUser['ID']),
				'EditedTime'=>sqltime(),
				'Username'=>$LoggedUser['Username']
			));
			$Cache->commit_transaction(0);

			$DB->query("
				INSERT INTO comments_edits
					(Page, PostID, EditUser, EditTime, Body)
				VALUES
					('requests', ".db_string($_POST['post']).", ".db_string($LoggedUser['ID']).", '".sqltime()."', '".db_string($OldBody)."')");

			// This gets sent to the browser, which echoes it in place of the old body
			echo $Text->full_format($_POST['body']);
			break;

		case 'delete_comment':
			enforce_login();
			authorize();

			// Quick SQL injection check
			if (!$_GET['postid'] || !is_number($_GET['postid'])) {
				error(0);
			}

			// Make sure they are moderators
			if (!check_perms('site_moderate_forums')) {
				error(403);
			}

			// Get topicid, forumid, number of pages
			$DB->query("
				SELECT DISTINCT
					RequestID,
					CEIL(COUNT(rc.ID) / ".TORRENT_COMMENTS_PER_PAGE.") AS Pages,
					CEIL(SUM(IF(rc.ID <= ".$_GET['postid'].", 1, 0)) / ".TORRENT_COMMENTS_PER_PAGE.") AS Page
				FROM requests_comments AS rc
				WHERE rc.RequestID = (
						SELECT RequestID
						FROM requests_comments
						WHERE ID = '".db_string($_GET['postid'])."'
						)");
			list($RequestID, $Pages, $Page) = $DB->next_record();

			// $Pages = number of pages in the thread
			// $Page = which page the post is on
			// These are set for cache clearing.

			$DB->query("
				DELETE FROM requests_comments
				WHERE ID = '".db_string($_GET['postid'])."'");

			//We need to clear all subsequential catalogues as they've all been bumped with the absence of this post
			$ThisCatalogue = floor((TORRENT_COMMENTS_PER_PAGE * $Page - TORRENT_COMMENTS_PER_PAGE) / THREAD_CATALOGUE);
			$LastCatalogue = floor((TORRENT_COMMENTS_PER_PAGE * $Pages - TORRENT_COMMENTS_PER_PAGE) / THREAD_CATALOGUE);
			for ($i = $ThisCatalogue; $i <= $LastCatalogue; $i++) {
				$Cache->delete_value("request_comments_$RequestID" . "_catalogue_$i");
			}

			// Delete thread info cache (eg. number of pages)
			$Cache->delete_value("request_comments_$GroupID");
		break;
		case 'warn':
			include(SERVER_ROOT.'/sections/requests/warn.php');
			break;
		case 'take_warn':
			include(SERVER_ROOT.'/sections/requests/take_warn.php');
			break;
		default:
			error(0);
	}
}
?>