mirror of
https://github.com/sbrl/Pepperminty-Wiki.git
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269 lines
12 KiB
PHP
269 lines
12 KiB
PHP
<?php
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register_module([
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"name" => "User watchlists",
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"version" => "0.1.2",
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"author" => "Starbeamrainbowlabs",
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"description" => "Adds per-user watchlists. When a page on a user's watchlist is edited, a notification email is sent.",
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"id" => "feature-watchlist",
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"code" => function() {
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/**
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* @api {get} ?action=watchlist&foormat=format Get your watchlist
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* @apiName Watchlist
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* @apiGroup Settings
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* @apiPermission User
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*
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* @apiParam {string} format The format to return the watchlist in.
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*
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* @apiError WatchlistsDisabled Watchlists are disabled because the watchlists_enable setting is set to false.
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* @apiError NotLoggedIn You aren't logged in, so you can't edit your watchlist (only logged in users have a watchlist).
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* @apiError NoEmailAddress The currently logged in user doesn't have an email address specified in their account.
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*/
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/*
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* ██ ██ █████ ████████ ██████ ██ ██ ██ ██ ███████ ████████
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* ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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* ██ █ ██ ███████ ██ ██ ███████ ██ ██ ███████ ██
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* ██ ███ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
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* ███ ███ ██ ██ ██ ██████ ██ ██ ███████ ██ ███████ ██
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*/
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add_action("watchlist", function() {
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global $settings, $env;
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if(!$settings->watchlists_enable) {
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http_response_code(403);
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header("x-problem: watchlists-disabled");
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exit(page_renderer::render_main("Watchlists disabled - $settings->sitename", "<p>Sorry, but watchlists are currently disabled on $settings->sitename. Contact your moderators to learn - their details are at the bottom of every page.</p>"));
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}
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if(!$env->is_logged_in) {
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http_response_code(401);
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header("x-problem: not-logged-in");
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exit(page_renderer::render_main("Not logged in - $settings->sitename", "<p>Only logged in users can have watchlists. Try <a href='?action=login&returnto=".rawurlencode("?action=watchlist")."'>logging in</a>."));
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}
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if(empty($env->user_data->emailAddress)) {
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http_response_code(422);
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header("x-problem: no-email-address-in-user-preferences");
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exit(page_renderer::render_main("No email address specified -$settings->sitename", "<p>You are logged in, but have not specified an email address to send notifications to. Try specifying one in your <a href='?action=user-preferences'>user preferences</a> and then coming back here.</p>"));
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}
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$format = $_GET["format"] ?? "html";
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$watchlist = [];
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if(!empty($env->user_data->watchlist))
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$watchlist = $env->user_data->watchlist;
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$mime_type = "text/html";
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$content = "";
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switch ($format) {
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case "html":
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$content .= "<h1>Watchlist</h1>";
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if(!empty($watchlist)) {
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$content .= "<ul class='page-list watchlist'>\n";
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foreach($watchlist as $pagename) {
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$content .= "<li><a href='?action=watchlist-edit&page=".rawurlencode($pagename)."&do=remove&returnto=".rawurlencode("?action=watchlist&success=yes")."' title='Remove from watchlist'>❌</a> <a href='?page=".rawurlencode($pagename)."'>".htmlentities($pagename)."</a></li>";
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}
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$content .= "</ul>";
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$content .= "<p>You can also <a href='?action=watchlist-edit&do=clear&returnto=".rawurlencode("?action=watchlist")."'>clear your entire list</a> and start again.</p>";
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}
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else {
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$content .= "<p><em>You don't have any pages on your watchlist. Try visiting some pages and adding them to your watchlist and then coming back here.</em></p>";
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}
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$content = page_renderer::render_main("Watchlist - $settings->sitename", $content);
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break;
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case "text":
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$mime_type = "text/plain";
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foreach($watchlist as $pagename)
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$content .= "$pagename\n";
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break;
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case "json":
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$mime_type = "application/json";
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$content = json_encode($watchlist);
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break;
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default:
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http_response_code(400);
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header("content-type: text/plain");
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exit("Sorry, the format '$format' wasn't recognised. This action currently supports these formats: html, json, text");
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break;
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}
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header("content-type: $mime_type");
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header("content-length: " . strlen($content));
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exit($content);
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});
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/**
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* @api {get} ?action=watchlist-edit&do={do_verb}[&page={pagename}][&returnto=url] Edit your watchlist
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* @apiName WatchlistEdit
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* @apiGroup Settings
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* @apiPermission User
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*
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* @apiParam {string} pagename The name of the page to operate on.
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* @apiParam {string} do The thing to do. Supported verbs: add, remove, clear. The first 2 require the page GET parameter to be specified, but the clear verb doesn't (as it clears the entire list).
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* @apiParam {string} returnto Optional. Specifies a URL to redirect to (with the http status code 302) upon success.
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*
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* @apiError WatchlistsDisabled Watchlists are disabled because the watchlists_enable setting is set to false.
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* @apiError NotLoggedIn You aren't logged in, so you can't edit your watchlist (only logged in users have a watchlist).
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* @apiError NoEmailAddress The currently logged in user doesn't have an email address specified in their account.
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* @apiError DoVerbNotRecognised The specified do verb was not recognised. Supported verbs: add, remove, clear (a canonical list is returned with this error).
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*
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* @apiError PageNotFoundOnWiki The page name specified was not found on the wiki, so it can't be watched.
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* @apiError PageNotFoundOnWatchlist The page name was not found in your watchlist.
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*/
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/*
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* ███████ ██████ ██ ████████
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* ██ ██ ██ ██ ██
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* █████ ██ ██ ██ ██
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* ██ ██ ██ ██ ██
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* ███████ ██████ ██ ██
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*/
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add_action("watchlist-edit", function () {
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global $settings, $env, $pageindex;
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// The thing we should do.
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$do = $_GET["do"] ?? "null";
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// The location we should redirect to after doing it successfully, if anywhere
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$returnto = empty($_GET["returnto"]) ? null : $_GET["returnto"];
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if(!$settings->watchlists_enable) {
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http_response_code(403);
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header("x-status: failed");
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header("x-problem: watchlists-disabled");
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exit(page_renderer::render_main("Watchlists disabled - $settings->sitename", "<p>Sorry, but watchlists are currently disabled on $settings->sitename. Contact your moderators to learn - their details are at the bottom of every page.</p>"));
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}
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if(!$env->is_logged_in) {
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http_response_code(401);
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header("x-status: failed");
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header("x-problem: not-logged-in");
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exit(page_renderer::render_main("Not logged in - $settings->sitename", "<p>Only logged in users can have watchlists. Try <a href='?action=login&returnto=".rawurlencode("?action=watchlist-edit&do=$do&returnto=$returnto")."'>logging in</a>.</p>"));
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}
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if(empty($env->user_data->emailAddress)) {
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http_response_code(422);
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header("x-status: failed");
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header("x-problem: no-email-address-in-user-preferences");
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exit(page_renderer::render_main("No email address specified -$settings->sitename", "<p>You are logged in, but have not specified an email address to send notifications to. Try specifying one in your <a href='?action=user-preferences'>user preferences</a> and then coming back here.</p>"));
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}
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// If the watchlist doesn't exist, create it
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// Note that saving this isn't essential - so we don't bother unless we perform some other action too.
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if(!isset($env->user_data->watchlist) || !is_array($env->user_data->watchlist))
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$env->user_data->watchlist = [];
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switch($do) {
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case "add":
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if(empty($pageindex->{$env->page})) {
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http_response_code(404);
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header("x-status: failed");
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header("x-problem: page-not-found-on-wiki");
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exit(page_renderer::render_main("Page not found - Error - $settings->sitename", "<p>Oops! The page name <em>".htmlentities($env->page)."</em> couldn't be found on $settings->sitename. Try <a href='?action=edit&page=".rawurlencode($env->page)."'>creating it</a> and trying to add it to your watchlist again!</p>"));
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}
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if(in_array($env->page, $env->user_data->watchlist)) {
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http_response_code(422);
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header("x-status: failed");
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header("x-problem: watchlist-page-already-present");
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exit(page_renderer::render_main("Already on watchlist - Error - $settings->sitename", "<p>The page with the name <em>".htmlentities($env->page)."</em> is already on your watchlist, so it can't be added again.</p>"));
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}
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// Add the new page to the watchlist
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$env->user_data->watchlist[] = $env->page;
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// Sort the list
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$collator = new Collator("");
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$collator->sort($env->user_data->watchlist, SORT_NATURAL | SORT_FLAG_CASE);
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// Save back to disk
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save_settings();
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break;
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case "remove":
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$index = array_search($env->page, $env->user_data->watchlist);
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if($index === false) {
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http_response_code(400);
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header("x-status: failed");
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header("x-problem: watchlist-item-not-found");
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exit(page_renderer::render_main("Watchlist item not found - Error - $settings->sitename", "<p>Oops! The page with the name <em>".htmlentities($env->page)."</em> isn't currently on your watchlist, so it couldn't be removed. Perhaps you already removed it?</p>
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<p>Try going <a href='?action=watchlist'>back to your watchlist</a>.</p>"));
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}
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array_splice($env->user_data->watchlist, $index, 1);
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save_settings();
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break;
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case "clear":
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$env->user_data->watchlist = [];
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save_settings();
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break;
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default:
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http_response_code(400);
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header("x-status: failed");
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header("x-problem: watchlist-do-verb-not-recognised");
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header("content-type: text/plain");
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exit("Error: The do verb '$do' wasn't recognised. Current verbs supported: add, remove, clear");
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}
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$message = "Your watchlist was updated successfully.";
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if(!empty($returnto)) {
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http_response_code(302);
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header("x-status: success");
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header("location: $returnto");
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$message .= " <a href='".htmlentities($returnto)."'>Click here</a> to return to your previous page.";
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}
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else
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$message .= " <a href='javascript:history.back();'>Go back</a> to your previous page, or <a href='?action=watchlist'>review your watchlist</a>.</a>";
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exit(page_renderer::render_main("Watchlist update successful", "<p>$message</p>"));
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});
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if(!module_exists("page-edit")) {
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error_log("[module/feature-watchlist] Note: Without the page-edit module, the feature-watchlist module doesn't make much sense. If you don't want anonymous people to edit your wiki, try the 'anonedits' setting.");
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return false;
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}
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register_save_preprocessor(function($indexentry, $new_data, $old_data) {
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global $version, $commit, $env, $settings;
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$usernames = [];
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foreach($settings->users as $username => $user_data) {
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// Skip if this is the user that made the edit
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if($username == $env->user)
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continue;
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// If the user's watchlist is empty, then there's no point in checking it
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if(empty($user_data->watchlist))
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continue;
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// If it's not in the watchlist, then we shouldn't send an email
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if(!in_array($env->page, $user_data->watchlist))
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continue;
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$usernames[] = $username;
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}
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$chars_changed = strlen($new_data) - strlen($old_data);
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$chars_changed_text = ($chars_changed < 0 ? "removes " : "adds ") . "$chars_changed characters";
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$url_stem = url_stem();
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email_users(
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$usernames,
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"{$env->page} was updated by {$env->user} - $settings->sitename",
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"Hey there!
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{$env->page} was updated by {$env->user} at ".render_timestamp(time(), true, false).", which $chars_changed_text.
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View the latest revision here: {$url_stem}?page=".rawurlencode($env->page)."
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---------- New page text ----------
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$new_data
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-----------------------------------
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--$settings->sitename, powered by Pepperminty Wiki $version-".substr($commit, 0, 7)."
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(P.S. Don't reply to this email, because it may not recieve a reply. Instead try contacting $settings->admindetails_name at $settings->admindetails_email, who is $settings->sitename's administrator if you have any issues.)
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"
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);
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});
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}
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]);
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?>
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