trustlist/application.php at master · interstar/trustlist · GitHub

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<?php

/*
ini_set('display_errors',1);
error_reporting(E_ALL);
*/


class TrustNet {


    function __construct($username, $listname){

        /* Check username and list name are valid */

        $userwhite = "/\A([a-zA-Z0-9_]){1,15}\z/";
        $listwhite = "/\A([a-zA-Z0-9-_]){1,25}\z/";

        if (!(preg_match($userwhite,$username,$matches))) {
            exit("<p class=\"error\">Invalid user name</p>");
        }

        if (!(preg_match($listwhite,$listname,$matches))) {
            exit("<p class=\"error\">Invalid list name</p>");
        }

        /* save variables */

        $this->username = $username;
        $this->listname = $listname;
        $this->fname = $username . "." . $listname;
        $this->dName = $this->fname . ".dot";

    }


    // If file doesn't exist, create it and return False;
    // otherwise return True.

    public function checkExists() {

        if (!(file_exists($this->fname))){
            return False;
        } else {
            return True;
        }
    }

    // Creates new net files if they don't already exist,
    // rebuilds them if they do (see trustlist.py)

    public function buildNet() {

        $com = "python2.6 trustlist.py --seed $this->username --list $this->listname -w ";
        shell_exec($com);

    }

    // Displays the trust net

    public function displayNet() {

        if (file_exists($this->dName)) {

            echo "<div id='cloud'>";
            echo "<h3>TrustNet for list <b>$this->listname</b></h3>";
            echo "<br />";
            echo "<div><img width=\"100%\" src='graph.php?user=$this->username&list=$this->listname'/></div>";

            echo "<br><br>";

            echo "<p style=\"display:inline\">See <a href='graph.php?user=$this->username&list=$this->listname'>larger</a> | </p>";
            echo "<a href='?user=$this->username&list=$this->listname&recalc=1'>Rebuild</a> | ";
            echo "<a href='index.php'>Clear</a>";
            echo "</div>";

        } else {
            echo 'asdfasdf';
        }
    }


    public function displayCloud() {

        if (file_exists($this->dName)) {

            $lines = file($this->fname);
            $depth = "-1";

            foreach ($lines as $line) {

                if ($line[0] == ":") {
                    $depth = $depth+1;
                } else {
                    if ($depth < 0) { continue; }
                    $names = split(" ",$line);
                    foreach ($names as $name) {
                        echo "<span class='d$depth'><a href='http://twitter.com/#!/$name'>$name</a> </span>";
                    }
                }
            }

        }
    }

}


/*
$TN = new TrustNet('webisteme', 'tne-github');


$TN->displayCloud();
*/


?>