0337d704 |
1 | <?php |
2 | /*************************************************************************** |
3 | * Copyright (C) 2003-2004 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 | //nombre de jours sur le graph |
28 | $JOURS=364; |
29 | define('DUREEJOUR',24*3600); |
30 | $res = $globals->xdb->query("SELECT min(TO_DAYS(date_ins)-TO_DAYS(now())) FROM auth_user_md5 WHERE promo = {?} AND perms IN ('admin', 'user')", $promo); |
31 | $JOURS = -$res->fetchOneCell(); |
32 | |
33 | //recupere le nombre d'inscriptions par jour sur la plage concernée |
34 | $res = $globals->xdb->iterRow( |
35 | "SELECT IF( date_ins>DATE_SUB(NOW(),INTERVAL $JOURS DAY), |
36 | TO_DAYS(date_ins)-TO_DAYS(NOW()), |
37 | ".(-($JOURS+1)).") AS jour, |
38 | COUNT(user_id) AS nb |
39 | FROM auth_user_md5 |
40 | WHERE promo = {?} AND perms IN ('admin','user') |
41 | GROUP BY jour", $promo); |
42 | |
43 | //genere des donnees compatibles avec GNUPLOT |
44 | $inscrits=''; |
45 | |
46 | // la première ligne contient le total des inscrits avant la date de départ (J - $JOURS) |
47 | list(,$init_nb) = $res->next(); |
48 | $total = $init_nb; |
49 | |
50 | list($numjour, $nb) = $res->next(); |
51 | |
52 | for ($i=-$JOURS;$i<=0;$i++) { |
53 | if ($numjour<$i) { |
54 | if(!list($numjour, $nb) = $res->next()) { |
55 | $numjour = 0; |
56 | $nb = 0; |
57 | } |
58 | } |
59 | if ($numjour==$i) $total+=$nb; |
60 | $inscrits .= date('d/m/y',$i*DUREEJOUR+time())." ".$total."\n"; |
61 | } |
62 | |
63 | //Genere le graphique à la volée avec GNUPLOT |
64 | header( "Content-type: image/png"); |
65 | |
66 | $delt = ($total - $init_nb) / 10; |
67 | $delt += ($delt < 1); |
68 | $ymin = round($init_nb - $delt,0); |
69 | $ymax = round($total + $delt,0); |
70 | |
71 | $gnuplot = <<<EOF2 |
72 | gnuplot <<EOF |
73 | |
74 | set term png small color |
75 | set size 640/480 |
76 | set xdata time |
77 | set timefmt "%d/%m/%y" |
78 | |
79 | set format x "%m/%y" |
80 | set yr [$ymin:$ymax] |
81 | |
82 | set title "Nombre d'inscrits de la promotion $promo." |
83 | |
84 | plot "-" using 1:2 title 'inscrits' with lines; |
85 | {$inscrits}e |
86 | EOF |
87 | EOF2; |
88 | |
89 | passthru($gnuplot); |
90 | ?> |