functions-display.php

<?php
/*
GrinnellPlans - Displayfunctions
What this is: old parts of functions.php separated - in this page, those delaying with display to user controls.
*/
require_once ('Plans.php');
function Redirect($url) {
    Header("Location: $url");
}
/**
 * All interface objects for displaying pages must implement this (OO) interface.
 * @package Interfaces
 */
interface DisplayInterface {
    /**
     * Displays a page of Plans
     *
     * Prints the page of Plans as displayed by this interface to stdout
     * @param PlansPage $page the page to be displayed
     */
    public function display_page(PlansPage $page);
}
function interface_disp_page(PlansPage $page) {
    $user = User::get();
    if (!$user) { // for guests, use default interface
        $interface_path = "interfaces/default/defaultinterface.php";
    } else {
        $interface_path = $user->interface;
    };
    require_once($interface_path);
    $interface = interface_construct();
    if ($interface instanceof DisplayInterface) {
        $interface->display_page($page);
    }
}
/**
 * Populate a Plans page with all the usual stuff
 *
 * Fills up the PlansPage object with all the elements that are found on every page:
 * the main panel (which holds the links, autoreads, finger form, etc), legal footer,
 * and so on
 *
 * @param PlansPage $page The PlansPage object
 * @param resource $dbh The database connection
 * @param int $idcookie The user's id
 */
function populate_page(PlansPage $page, $dbh, $idcookie) {
    $user = User::get();
    // get the global stylesheet
    $page->stylesheets[] = 'styles/global.css';
    // get user stylesheet
    $page->stylesheets[] = $user->stylesheet;
    $myprivl = get_myprivl();
    $page->autoreadpriority = $myprivl;
    $mp = new MainPanel();
    $page->mainpanel = $mp;
    $mp->fingerbox = get_fingerbox();
    $mp->linkhome = get_linkhome();
    $mp->links = new WidgetList('linkslist', false);
    foreach(get_all_user_links($idcookie) as $link) {
        $mp->links->append($link);
    }
    $mp->autoreads = new WidgetList('autoread', true);
    foreach ($user->getAutofinger() as $p => $autoreadlist) {
        $ar = new AutoRead($p, "setpriv.php?myprivl=$p");
        foreach ($autoreadlist as $autoreadlink) {
            $ar->append(new PlanLink($autoreadlink));
        };
        $mp->autoreads->append($ar);
    };
    $footer = new Footer();
    $footer->doyouread = get_just_updated();
    $footer->powered_by = get_powered_by();
    $footer->legal = new RegularText(get_disclaimer());
    $page->footer = $footer;
}
/**
 * Populates a Plans page for a guest
 *
 * Like {@link populate_page()}, but for guest display
 *
 * @param PlansPage $page The PlansPage object
 */
function populate_guest_page(PlansPage $page) {
    //$css=get_item($dbh,"stylesheet","stylesheet","userid", $idcookie);
    //if ($css) {$page->stylesheet=$css;}
    $css = "styles/default/default.css"; //TODO hardcoding this is ugly
    $page->stylesheets = array($css);
    $mp = new MainPanel();
    $page->mainpanel = $mp;
    $mp->fingerbox = get_fingerbox();
    $mp->linkhome = get_linkhome();
    $mp->links = new WidgetList('linkslist', false);
    foreach(get_guest_links() as $link) {
        $mp->links->append($link);
    }
    $mp->autoreads = NULL;
    $footer = new Footer();
    $footer->doyouread = NULL;
    $footer->powered_by = get_powered_by();
    $footer->legal = new RegularText(get_disclaimer(), NULL);
    $page->footer = $footer;
}
/**
 * Get all links
 *
 * These are all the links that show up for a logged-in user
 *
 * @return array An array of Hyperlink objects
 */
function get_all_user_links($idcookie) {
    $newarr = array();
    $newarr[] = new Hyperlink('mainlink_edit', true, 'edit.php', 'Edit Plan');
    $newarr[] = new Hyperlink('mainlink_search', true, 'search.php', 'Search Plans');
    $newarr[] = new Hyperlink('mainlink_prefs', true, 'customize.php', 'Preferences');
    $newarr = array_merge($newarr, get_opt_links($idcookie));
    $newarr[] = new Hyperlink('mainlink_logout', true, 'index.php?logout=1', 'Log Out');
    return $newarr;
}
/**
 * Get the required links for a guest
 *
 * @return array An array of Hyperlink objects
 */
function get_guest_links() {
    $newarr = array();
    $newarr[] = new Hyperlink('mainlink_search', true, 'search.php', 'Search Plans');
    $newarr[] = new Hyperlink('mainlink_listusers', true, 'listusers.php', 'List Users');
    $newarr[] = new Hyperlink('mainlink_logout', true, 'index.php?logout=1', 'Log Out');
    return $newarr;
}
/**
 * Get the optional links for a user
 *
 * These are the links that a user may enable or disable.
 * Gets the links that the given user has enabled.
 *
 * @param int $idcookie The user's id
 * @return array An array of Hyperlink objects
 */
function get_opt_links($idcookie) {
    global $dbh;
    if (!isset($dbh)) $dbh = db_connect();
    $linkarray = mysqli_query($dbh,"Select avail_links.linkname, avail_links.html_code as html_code, static
    From avail_links, opt_links where   
    opt_links.userid = '$idcookie' and opt_links.linknum = avail_links.linknum");
    $newarr = array();
    while ($new_row = mysqli_fetch_row($linkarray)) {
        if ($new_row[2] == 'yes') {
            preg_match("/href=\"([^\"]+)\"/", $new_row[1], $foo);
            $href = $foo[1]; // TODO this is silly, let's just store href in the db
            $thislink = new Hyperlink('opt_link', false, $href, $new_row[0]);
        } else if ($new_row[0] == 'Secrets') {
            $count = count_unread_secrets($idcookie);
            $thislink = new Hyperlink('mainlink_secrets', true, 'anonymous.php', "Secrets ($count)");
        } else if ($new_row[0] == 'Jumble') {
            $url = $_SERVER['REQUEST_URI'];
            if ((isset($_GET['jumbled']) && $_GET['jumbled'] == 'yes')
                || ((isset($_COOKIE['jumbled']) && $_COOKIE['jumbled'] == 'yes') 
                    && (isset($_GET['jumbled']) && $_GET['jumbled'] != 'no'))) {
                $url = add_param($url, 'jumbled', 'no');
                $linktext = 'unjumble';
            } else {
                $url = add_param($url, 'jumbled', 'yes');
                $linktext = 'jumble';
            }
            $thislink = new Hyperlink('mainlink_jumble', true, $url, $linktext);
        } else {
            // the forum link needs this, really we just need a better system
            preg_match("/href=\"([^\"]+)\"/", $new_row[1], $foo);
            $href = $foo[1];
            $thislink = new Hyperlink('opt_link', false, $href, $new_row[0]);
        }
        $newarr[] = $thislink;
    }
    return $newarr;
}
/**
 * Gets the finger form
 *
 * This is the form that users may use to read a plan by typing a username
 *
 * @return Form
 */
function get_fingerbox() {
    $f = new Form('finger');
    $f->action = 'read.php';
    $f->method = 'GET';
    $item = new TextInput('searchname', NULL);
    $f->append($item);
    $item = new SubmitInput('Read');
    $f->append($item);
    return $f;
}
/**
 * Get a link to the Plans homepage
 * @return Hyperlink
 */
function get_linkhome() {
    $l = new Hyperlink('home', true, 'index.php', '');
    return $l;
}
/**
 * Get a link to the most recently updated plan.
 * @return Hyperlink
 */
function get_just_updated() {
    // Get the most recently updated plan
    $q = Doctrine_Query::create()
        ->select("userid, username")
        ->from("Accounts")
        ->where("username != 'test'")
        ->andWhereNotIn("userid",
            Block::allUserIdsWithBlockingRelationships(User::id()))
        ->orderBy("changed DESC")
        ->limit(1);
    //return the results of the query
    $new_plans = $q->fetchOne();
    // Get the appropriate URI for a plan link
    $temp = new PlanLink($new_plans["username"]);
    // But we want a generic Hyperlink, so it can be styled separately.
    return new Hyperlink('justupdatedlink', true, $temp->href,
        $new_plans["username"]);
}
function get_powered_by() {
    $text = 'Powered by <a href="' . ProjectInformation::projectUrl() . '">GrinnellPlans</a> ' . ProjectInformation::version() . ', an opensource project. File a <a href="' . ProjectInformation::bugReportUrl() . '">bug report</a> after taking a look at the <a href="' . ProjectInformation::recentBugsUrl() . '">recent bugs</a> to avoid duplicates.';
    $msg = new RegularText($text);
    $msg->identifier = 'poweredby';
    return $msg;
}
function wants_secrets($idcookie) {
    $wants_secrets = mysqli_query($GLOBALS['dbh'],"Select avail_links.linknum, avail_links.html_code
	From avail_links, opt_links where avail_links.linknum = 11  and  
	opt_links.userid = $idcookie and opt_links.linknum = avail_links.linknum");
    if ($row = mysqli_fetch_row($wants_secrets)) {
        return 1;
    } else {
        return 0;
    }
}
function count_unread_secrets($idcookie) {
    $last_viewed = mysqli_query($GLOBALS['dbh'],"select date from viewed_secrets where userid = $idcookie");
    if ($date_row = mysqli_fetch_array($last_viewed)) {
        $last = $date_row['date'];
    } else {
        $last = "000-00-00 00:00:00";
    }
    $sql = "select count(*) as n from secrets where display = 'yes' and secrets.date_approved > '$last'";
    $count = mysqli_query($GLOBALS['dbh'],$sql);
    $count_row = mysqli_fetch_array($count);
    $count = $count_row['n'];
    return $count;
}
function jumble_word($word) {
    $l = strlen($word);
    if ($l < 4) {
        return $word;
    }
    return $word[0] . (str_shuffle(substr($word, 1, $l - 2))) . $word[$l - 1];
}
function jumble($text) {
    ob_start();
    preg_match_all('/(<[^>]*>)|([^<>]*)/', $text, $matches);
    $c = count($matches[0]);
    for ($i = 0;$i < $c;$i++) {
        $chunk = $matches[0][$i];
        if (preg_match('/</', $chunk)) {
            echo $chunk;
        } else {
            preg_match_all('/(\S+)/', $chunk, $words);
            $word_count = count($words[0]);
            //echo $word_count;
            //echo "\n";
            for ($j = 0;$j < $word_count;$j++) {
                //echo ($words[0][$j]);
                echo (jumble_word($words[0][$j]));
                echo "\n";
            }
        }
    }
    return ob_get_clean();
}
?>