| 1 | <?php |
| 2 | /*************************************************************************** |
| 3 | * Copyright (C) 2003-2006 Polytechnique.org * |
| 4 | * http://opensource.polytechnique.org/ * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the Free Software * |
| 18 | * Foundation, Inc., * |
| 19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| 20 | ***************************************************************************/ |
| 21 | |
| 22 | require_once("xorg.inc.php"); |
| 23 | |
| 24 | new_skinned_page('index.tpl', AUTH_COOKIE); |
| 25 | $promo = Env::getInt('promo', Session::getInt('promo')); |
| 26 | |
| 27 | // date de départ |
| 28 | $depart = 1920; |
| 29 | |
| 30 | //recupere le nombre d'inscriptions par jour sur la plage concernée |
| 31 | $res = $globals->xdb->iterRow( |
| 32 | "SELECT promo, SUM(perms IN ('admin', 'user')) / COUNT(*) * 100 |
| 33 | FROM auth_user_md5 |
| 34 | WHERE promo >= $depart AND deces = 0 |
| 35 | GROUP BY promo"); |
| 36 | |
| 37 | //genere des donnees compatibles avec GNUPLOT |
| 38 | $inscrits=''; |
| 39 | |
| 40 | // la première ligne contient le total des inscrits avant la date de départ |
| 41 | list($annee, $nb) = $res->next(); |
| 42 | |
| 43 | for ($i=$depart;$i<=date("Y");$i++) { |
| 44 | if ($annee<$i) { |
| 45 | if(!list($annee, $nb) = $res->next()) { |
| 46 | $annee = 0; |
| 47 | $nb = 0; |
| 48 | } |
| 49 | } |
| 50 | if ($nb > 0 || $i < date("Y")) |
| 51 | $inscrits .= $i." ".$nb."\n"; |
| 52 | } |
| 53 | |
| 54 | //Genere le graphique à la volée avec GNUPLOT |
| 55 | header( "Content-type: image/png"); |
| 56 | |
| 57 | $ymin = 0; |
| 58 | $ymax = 100; |
| 59 | |
| 60 | $fin = $i+10; |
| 61 | |
| 62 | $gnuplot = <<<EOF2 |
| 63 | gnuplot <<EOF |
| 64 | |
| 65 | set term png small color |
| 66 | set size 640/480 |
| 67 | set timefmt "%d/%m/%y" |
| 68 | |
| 69 | set xr [$depart:$fin] |
| 70 | set yr [$ymin:$ymax] |
| 71 | |
| 72 | set title "Nombre d'inscrits par promotion depuis $depart." |
| 73 | |
| 74 | plot "-" using 1:2 title 'inscrits' with boxes; |
| 75 | {$inscrits} |
| 76 | EOF |
| 77 | EOF2; |
| 78 | |
| 79 | passthru($gnuplot); |
| 80 | ?> |