489 lines
17 KiB
PHP
489 lines
17 KiB
PHP
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<?php
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require('include.php');
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init(true, true);
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//Return an array with date of the start of the month and of the end of the month
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function bornes_mois($num_mois,$annee)
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{
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$debut_mois = mktime(0, 0, 0,$num_mois, 1, $annee);
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$dernier_jour = array(
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1=>31,
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2=>28+date('L'),
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3=>31,
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4=>30,
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5=>31,
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6=>30,
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7=>31,
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8=>31,
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9=>30,
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10=>31,
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11=>30,
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12=>31);
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$fin_mois = mktime(23, 59, 59, $num_mois, $dernier_jour[$num_mois], $annee);
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$bornes = array($debut_mois, $fin_mois);
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return $bornes;
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}
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//Return what A must pay to B
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function dettes($A, $B, $debut_mois, $fin_mois)
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{
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global $bdd;
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//When A paid and B was here
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$reqA_B = $bdd->prepare('SELECT id, date, montant, copains, invites FROM depenses WHERE date>'.$debut_mois.' AND date<'.$fin_mois.' AND de=:param1 AND (copains LIKE "%,'.(int) $B.',%" OR copains LIKE "%,'.(int)$B.'" OR copains LIKE "'.(int) $B.',%" OR copains LIKE "'.(int) $B.'")');
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$reqA_B->bindvalue(':param1',$A);
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$reqA_B->execute();
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//When B paid and A was here
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$reqB_A = $bdd->prepare('SELECT id, date, montant, copains, invites FROM depenses WHERE date>'.$debut_mois.' AND date<'.$fin_mois.' AND de=:param1 AND (copains LIKE "%,'.(int) $A.',%" OR copains LIKE "%,'.(int)$A.'" OR copains LIKE "'.(int) $A.',%" OR copains LIKE "'.(int) $A.'")');
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$reqB_A->bindvalue(':param1',$B);
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$reqB_A->execute();
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//What A already paid to B
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$reqPaiementsA_B = $bdd -> prepare('SELECT paiements.montant AS montant FROM paiements LEFT JOIN depenses ON paiements.id_depense=depenses.id WHERE depenses.date >'.$debut_mois.' AND depenses.date<'.$fin_mois.' AND paiements.de=:de AND paiements.a=:a');
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$reqPaiementsA_B->bindvalue(':de',$A);
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$reqPaiementsA_B->bindvalue(':a',$B);
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$reqPaiementsA_B->execute();
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//Same thing for B to A
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$reqPaiementsB_A = $bdd -> prepare('SELECT paiements.montant AS montant FROM paiements LEFT JOIN depenses ON paiements.id_depense=depenses.id WHERE depenses.date >'.$debut_mois.' AND depenses.date<'.$fin_mois.' AND paiements.de=:de AND paiements.a=:a');
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$reqPaiementsB_A->bindvalue(':de',$B);
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$reqPaiementsB_A->bindvalue(':a',$A);
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$reqPaiementsB_A->execute();
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//$deltaAB : What A must pay to B
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$deltaAB = 0;
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while($donneesA_B = $reqA_B->fetch())
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{
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//We get the price of the meal, divided by the number of people who ate
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//nb of comma + 1
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$deltaAB -= $donneesA_B['montant']/(substr_count($donneesA_B['copains'], ',') + 1 + $donneesA_B['invites']);
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}
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while($donneesB_A = $reqB_A->fetch()) //idem
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{
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$deltaAB += $donneesB_A['montant']/(substr_count($donneesB_A['copains'], ',') + 1 + $donneesB_A['invites']);
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}
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while($donneesPaiementsA_B = $reqPaiementsA_B->fetch()) //what has been already paid
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{
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$deltaAB -= $donneesPaiementsA_B['montant'];
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}
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while($donneesPaiementsB_A = $reqPaiementsB_A->fetch()) //idem
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{
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$deltaAB += $donneesPaiementsB_A['montant'];
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}
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return $deltaAB;
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}
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// Reduces the matrix in n steps
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function simplify ($copains){
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// We work directly with $debts
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global $debts;
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global $matrix;
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$max = maximum($debts);
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// On cherche le plus proche en valeur absolue du maximum
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$near = nearest($debts, $max);
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// On en déduit l'écart entre leurs valeurs absolues
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$delta = $max["val"] + $near["val"];
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// Case :
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//A : max 100
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//B :near -90
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// delta 10
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// m[A][B] -90
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// m[B][A] 90
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if ($delta > 0){
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$matrix[$max["id"]][$near["id"]] = -$debts[$near["id"]];
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$matrix[$near["id"]][$max["id"]] = $debts[$near["id"]];
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$debts[$max["id"]] = $delta;
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$debts[$near["id"]] = 0;
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}
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else {
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$matrix[$max["id"]][$near["id"]] = $debts[$max["id"]];
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$matrix[$near["id"]][$max["id"]] = -$debts[$max["id"]];
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$debts[$max["id"]] = 0;
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$debts[$near["id"]] = $delta;
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}
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return $matrix;
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}
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// Return the nearest value
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function nearest($debts, $max)
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{
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// Initialize with the maximum distance
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$d_min = max($debts) - min($debts);
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// Initialize the default id to one key in the array
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$debts_keys = array_keys($debts);
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$id_min = $debts_keys[1];
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foreach($debts as $id => $val)
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{
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// Computes the absolute distance
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$d = abs($max["val"] + $val);
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// If it's a new minimum AND the value isn't positive
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if ($d <= $d_min && $val < 0)
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{
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$id_min = $id;
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$d_min = $d;
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}
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}
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return array("id"=>$id_min, "val"=>$debts[$id_min]);
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}
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function maximum($tableau)
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{
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$max["id"] = 0;
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$max["val"] = 0;
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foreach($tableau as $id=>$val)
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{
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if($val >= $max["val"])
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{
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$max["val"] = $val;
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$max["id"] = $id;
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}
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}
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return $max;
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}
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// Function to insert a regulation between A and B for the simplification
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// system only.
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function inserer_paiement_rbmt($donnees_depense, $de_paiement, $a_paiement, $rbmt)
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{
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if ($de_paiement == $a_paiement) return 1;
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global $bdd;
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// We get all the payments between a and de (we just filter thanks to the
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// id which is linked to the a field)
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$paiement_existe_req = $bdd->prepare('SELECT montant, COUNT(*) AS nbre_paiement FROM paiements WHERE id_depense=:id_depense AND de=:de');
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$paiement_existe_req->bindValue(':id_depense', $donnees_depense['id']);
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$paiement_existe_req->bindValue(':de', $de_paiement);
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$paiement_existe_req->execute();
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$deja_paye = 0;
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while ($donnees = $paiement_existe_req->fetch())
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{
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$deja_paye += $donnees['montant'];
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}
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$montant = $donnees_depense['montant']/(substr_count($donnees_depense['copains'], ',') + 1 + $donnees_depense['invites']) - $deja_paye;
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$req = $bdd->prepare('INSERT INTO paiements(id, de, a, id_depense, date, montant, rbmt) VALUES("", :de, :a, :id_depense, :date, :montant, :rbmt)');
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$req->bindValue(':de', $de_paiement);
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$req->bindValue(':a', $a_paiement);
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$req->bindValue(':id_depense', $donnees_depense['id']);
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$req->bindValue(':date', time());
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$req->bindValue(':rbmt', $rbmt);
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$req->bindValue(':montant', $montant);
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$req->execute();
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return 1;
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}
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if(!(isset($_GET['confirm']) && isset($_POST['matrix']) && isset($_POST['copains']) && isset($_POST['date'])))
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{
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?>
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<!DOCTYPE html>
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<html lang="fr">
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<head>
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<meta charset="utf-8">
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<title>Bouffe@Ulm : remboursements</title>
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<link rel="stylesheet" media="screen" type="text/css" href="misc/design.css" />
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<link rel="icon" href="favicon.ico" />
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</head>
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<body>
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<h1>Remboursements simplifiés</h1>
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<?php
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}
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// Creation Step 1
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// show a form to get more info
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if(isset($_GET["action"]) && $_GET["action"] == "new")
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{
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$req = $bdd->query('SELECT id, nom FROM copains ORDER BY nom ASC');
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while($copain = $req->fetch())
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{
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$copains[$copain['id']] = $copain['nom']; //And put it in an array
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}
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?>
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<form method="post" action="rbmt_admin.php?">
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<p><label for="jour">Date : </label>
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<select name="jour" id="jour">
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<?php
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for($i=1; $i<32; $i++)
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{
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if((date('j') == $i && !isset($modif)) || (isset($modif) && date('j', $donnees['date']) == $i))
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echo "<option value='".$i."' selected='selected'>".$i."</option>";
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else
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echo "<option value='".$i."'>".$i."</option>";
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}
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?>
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</select>
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<select name="mois" id="mois">
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<?php
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for($i=1; $i<13; $i++)
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{
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if((date('m') == $i && !isset($modif)) || (isset($modif) && date('m', $donnees['date']) == $i))
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echo "<option value='".$i."' selected='selected'>".$i."</option>";
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else
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echo "<option value='".$i."'>".$i."</option>";
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}
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?>
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</select>
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<select name="AM_PM">
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<option value='11' <?php if((date('A') == "AM" && !isset($modif)) || (isset($modif) && date('A', $donnees['date']) == "AM")) { echo 'selected="selected"';}?>>Midi</option>
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<option value='22' <?php if((date('A') == "PM" && !isset($modif)) || (isset($modif) && date('A', $donnees['date']) == "PM")) { echo 'selected="selected"';}?>>Soir</option>
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</select>
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<select name="annee" id="annee">
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<?php
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for($i=date('Y')-1; $i<date('Y')+2; $i++)
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{
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if((date('Y') == $i && !isset($modif)) || (isset($modif) && date('Y', $donnees['date']) == $i))
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echo "<option value='".$i."' selected='selected'>".$i."</option>";
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else
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echo "<option value='".$i."'>".$i."</option>";
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}
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?>
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</select>
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</p>
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<p style="text-align: left; display: inline-block;">Copains : <br/>
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<?php
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$req2 = $bdd->query('SELECT id, nom FROM copains ORDER BY nom ASC');
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while($donnees2 = $req2->fetch())
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{
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echo "<input type='checkbox' name='copain_".htmlspecialchars($donnees2['id'])."' id='copain_".htmlspecialchars($donnees2['id'])."' checked='checked'/><label for='copain_".htmlspecialchars($donnees2['id'])."' class='inline'>".htmlspecialchars($donnees2['nom'])."</label><br/>";
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}
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?>
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</p>
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<p>
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<input type="submit" value="<?php if(isset($modif)) { echo 'Modifier'; } else { echo 'Ajouter';}?>"/> ou <a href="index.php">retour à l'accueil</a><input type="hidden" name="id" value="<?php if(isset($modif)) { echo $modif;}?>"/>
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<input type="hidden" name="token" value="<?php echo $_SESSION['token_modif'];?>"/>
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</p>
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</form>
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<?php
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}
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// Creation Step 2
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// check there's everything, create the new simplified matrix and prompt
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// for confirmation
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else if (isset($_POST['jour']) && isset($_POST['mois']) && isset($_POST['annee']) && isset($_POST['AM_PM']))
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{
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$req = $bdd->prepare('SELECT nom, id FROM copains ORDER BY nom ASC');
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$req->execute();
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// Fill an array only with friends who are participating
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while($copain = $req->fetch())
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{
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// If the friend was selected
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if(isset($_POST['copain_'.$copain['id']]))
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$copains[$copain['id']] = $copain['nom'];
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}
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$n = count($copains); // Usefull for the size of the array
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// Create the temporal bounds for the requests
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$debut_mois = 0;
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$fin_mois = mktime($_POST['AM_PM'], 0, 0, $_POST['mois'], $_POST['jour'], $_POST['annee']);
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// We create an array containing the total debts and a matrix
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foreach($copains as $idA=>$nameA)
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{
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$debts[$idA] = 0;
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foreach($copains as $idB=>$nameB)
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{
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$matrix[$idA][$idB] = 0;
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}
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}
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// We initialize the debts array
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foreach($copains as $keyA=>$copainA)
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{
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foreach($copains as $keyB=>$copainB)
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{
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$dette = dettes($keyA,$keyB, $debut_mois, $fin_mois);
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$deltaAB = $dette;
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$debts[$keyA] += $deltaAB;
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}
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}
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// To avoid an infinite while loop, we have to round the value
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foreach($debts as &$val)
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$val = round($val, 2);
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// Should be zero, but with float error, it may be non null
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$error = array_sum($debts);
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// Do it in n steps
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for ($i=0; $i<$n; $i++)
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$matrix = simplify($copains);
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echo "<h2>Récapitulatif</h2><p>";
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// Output the matrix
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foreach($copains as $keyA=>$copainA)
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{
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foreach($copains as $keyB=>$copainB)
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{
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if (isset($matrix[$keyA][$keyB]) && $matrix[$keyA][$keyB] > 0)
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echo '<b>' . $copains[$keyA] . '</b> doit '. round($matrix[$keyA][$keyB], 2) . ' à <b>' . $copains[$keyB] .'</b><br/>';
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}
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}
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// Show a forme to confirm
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?>
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</p>
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<form method="post" action="rbmt_admin.php?confirm=1">
|
||
|
|
<p>
|
||
|
|
<input type="hidden" name="date" value='<?php echo $fin_mois;?>' />
|
||
|
|
<input type="hidden" name="matrix" value='<?php echo serialize($matrix); ?>'/>
|
||
|
|
<input type="hidden" name="copains" value='<?php echo serialize($copains); ?>'/>
|
||
|
|
<input type="submit" value="Confirmer"/> ou <a href="index.php">Retour à l'accueil</a><br/>
|
||
|
|
<em>Attention, cette opération est irréversible et annulera tous les paiements jusqu'à la date choisie.</em>
|
||
|
|
</p>
|
||
|
|
</form>
|
||
|
|
<?php
|
||
|
|
}
|
||
|
|
// Creation Step 3
|
||
|
|
// let's include some stuff
|
||
|
|
else if (isset($_GET['confirm']) && isset($_POST['matrix']) && isset($_POST['copains']) && isset($_POST['date']))
|
||
|
|
{
|
||
|
|
$req = $bdd->prepare('INSERT INTO remboursements(date, matrix, id, copains) VALUES(:date, :matrix, "", :copains)');
|
||
|
|
$req->bindValue(':date', $_POST['date']);
|
||
|
|
$req->bindValue(':matrix', $_POST['matrix']);
|
||
|
|
$req->bindValue(':copains', $_POST['copains']);
|
||
|
|
// We insert the new matrix in the table
|
||
|
|
if (!$req->execute())
|
||
|
|
echo "Une erreur est survenue";
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// We get the biggest id (here, the one we just created)
|
||
|
|
$req = $bdd->query('SELECT MAX(id) FROM remboursements');
|
||
|
|
$retour = $req->fetch();
|
||
|
|
$id = $retour["MAX(id)"];
|
||
|
|
// Now we can simplify the matrix by inserting as many regulation as
|
||
|
|
// necessary
|
||
|
|
$copains = unserialize($_POST['copains']);
|
||
|
|
foreach($copains as $a=>$nomA)
|
||
|
|
{
|
||
|
|
foreach($copains as $de=>$nomB)
|
||
|
|
{
|
||
|
|
$req = $bdd->prepare('SELECT id, de, copains, montant, invites FROM depenses WHERE (copains LIKE "%,'.$de.',%" OR copains LIKE "%,'.$de.'" OR copains LIKE "'.$de.',%" OR copains LIKE "'.$de.'") AND de=:a AND date>:debut_mois AND date<:fin_mois');
|
||
|
|
$req->bindValue(':a', $a);
|
||
|
|
// Bounds are 0 and the date given in the previous form
|
||
|
|
$req->bindValue(':debut_mois', 0);
|
||
|
|
$req->bindValue(':fin_mois', $_POST['date']);
|
||
|
|
$req->execute();
|
||
|
|
// We've got a bunch of exchange to insert (with a flag to specify we
|
||
|
|
// added it here)
|
||
|
|
while($donnees = $req->fetch())
|
||
|
|
{
|
||
|
|
if(!empty($de))
|
||
|
|
{
|
||
|
|
inserer_paiement_rbmt($donnees, $de, $a, $id);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//For all the people who participate...
|
||
|
|
$participants = explode(',', $donnees['copains']);
|
||
|
|
foreach($participants as $participant)
|
||
|
|
{
|
||
|
|
// If we've got someone which participates to the
|
||
|
|
// simplification
|
||
|
|
if (in_array($participant, array_keys($copains)))
|
||
|
|
inserer_paiement_rbmt($donnees, $participant, $a, $id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Everything went right
|
||
|
|
header('location: message.php?id=14');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// If we want to delete one and have the id
|
||
|
|
else if(isset($_GET['id']) && isset($_GET['action']) && $_GET['action'] == "del")
|
||
|
|
{
|
||
|
|
// If already confirmed
|
||
|
|
if(isset($_POST['confirm']))
|
||
|
|
{
|
||
|
|
// We delete the simplification AND the regulation it created
|
||
|
|
if($bdd->query('DELETE FROM remboursements WHERE id='.$_GET['id']) &&
|
||
|
|
$bdd->query('DELETE FROM paiements WHERE rbmt='.$_GET['id']))
|
||
|
|
header('location: message.php?id=15');
|
||
|
|
else
|
||
|
|
header('location: message.php?id=16');
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$req = $bdd->prepare('SELECT * FROM remboursements WHERE id='.$_GET['id']);
|
||
|
|
?>
|
||
|
|
<form method="post" action="rbmt_admin.php?<?php echo $_SERVER['QUERY_STRING'];?>">
|
||
|
|
<p>
|
||
|
|
<input type="submit" value="Confirmer" /> ou <a href="index.php">Retour à l'accueil</a>
|
||
|
|
<input type="hidden" name="confirm" value="1"/>
|
||
|
|
</p>
|
||
|
|
</form>
|
||
|
|
<?php
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Else, we print the list
|
||
|
|
else
|
||
|
|
{
|
||
|
|
echo '<a href="?action=new">Nouveau remboursement</a> | <a href="index.php">Retour à l\'accueil</a>';
|
||
|
|
echo '<h2>Remboursements précédents</h2>';
|
||
|
|
$req = $bdd->prepare('SELECT * FROM remboursements ');
|
||
|
|
$req->execute();
|
||
|
|
|
||
|
|
$table = '';
|
||
|
|
$links = '';
|
||
|
|
while($data = $req->fetch())
|
||
|
|
{
|
||
|
|
// Reset the list of friend to ''
|
||
|
|
$liste = '';
|
||
|
|
// Extract info from $data
|
||
|
|
// First the date
|
||
|
|
$date = date('j/m', $data['date']);
|
||
|
|
// List of friend
|
||
|
|
$copains = unserialize($data['copains']);
|
||
|
|
foreach($copains as $nom)
|
||
|
|
$liste .= ', ' . $nom;
|
||
|
|
|
||
|
|
// If we clicked on one particular remboursement
|
||
|
|
if (isset($_GET['id']) && $_GET['id'] == $data['id'] && isset($_GET['action']) && $_GET['action'] == "show")
|
||
|
|
{
|
||
|
|
$table .= "<li>Le {$date}{$liste} - <a href='?id={$data['id']}&action=del'>Supprimer</a>";
|
||
|
|
$matrix = unserialize($data['matrix']);
|
||
|
|
|
||
|
|
// We build an array containing the data we want to print
|
||
|
|
// and a list containing the other remboursement
|
||
|
|
$table.='
|
||
|
|
<table>
|
||
|
|
<tr>
|
||
|
|
<th class="centre">Doit\À</th>';
|
||
|
|
|
||
|
|
//Construct the header of the table and display it for the previous months
|
||
|
|
foreach($copains as $key => $copain)
|
||
|
|
{
|
||
|
|
if($_SESSION['nom'] == $copain)
|
||
|
|
$copain = '<strong>'.$copain.'</strong>';
|
||
|
|
$table .= '<th class="centre">'.$copain.'</th>';
|
||
|
|
}
|
||
|
|
$table .= '</tr>';
|
||
|
|
|
||
|
|
foreach($copains as $keyA=>$copainA)
|
||
|
|
{
|
||
|
|
if($_SESSION['nom'] == $copainA)
|
||
|
|
$copainA = '<strong>'.$copains[$keyA].'</strong>';
|
||
|
|
$table .= '<tr><th class="centre">'.$copainA.'</th>';
|
||
|
|
foreach($copains as $keyB=>$copainB)
|
||
|
|
{
|
||
|
|
if($matrix[$keyA][$keyB] <= 0)
|
||
|
|
$table .= '<td class="centre">-</td>';
|
||
|
|
else
|
||
|
|
$table .= '<td class="centre">'.$matrix[$keyA][$keyB].'</td>';
|
||
|
|
}
|
||
|
|
$table .= '</tr>';
|
||
|
|
}
|
||
|
|
$table .= '</table></li>';
|
||
|
|
}
|
||
|
|
// Else, we print a link
|
||
|
|
else
|
||
|
|
$links .= "<li><a href='?id={$data['id']}&action=show'>Le {$date}{$liste}</a> - <a href='?id={$data['id']}&action=del'>Supprimer</a></li>";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
echo '<p><ul>';
|
||
|
|
if (isset($table)) echo $table;
|
||
|
|
if (isset($links)) echo $links;
|
||
|
|
echo '</ul></p>';
|
||
|
|
echo '<p>';
|
||
|
|
echo '<a href="index.php">Retour à l\'accueil</a>';
|
||
|
|
echo '</p>';
|
||
|
|
echo '</body></html>';
|
||
|
|
|
||
|
|
?>
|